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Halverson, Peter Andrew. "Multi-stable Compliant Rolling-contact Elements." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd1832.pdf.
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Satyanarayana, Srinath. "Fixture-workpiece contact modeling for a compliant workpiece." Thesis, Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/17874.
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Yang, Fan. "DISCRETE COMPLIANT MOTION PLANNING SYSTEM FOR ROBOTIC ASSEMBLY." Diss., The University of Arizona, 2009. http://hdl.handle.net/10150/195237.
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This dissertation focuses on compliant motion planning designed for robotic assembly. A Discrete Complaint Motion Planner (DCMP) reacts to detected discrete contact state transitions and issues compliant motion command to the underlying continuous robot system. It consists of a Qualitative Contact Model, a Compliant Motion Strategy Planner (CMSP) and a Compliant Motion Command Planner (CMCP).How to model and characterize a contact state is a major issue. In this dissertation, contact states are described using the qualitative configuration representation called Feature Interaction Matrix (FIM). A FIM encodes not only the contact information but also the relative configuration between two polyhedral parts. This FIM-based qualitative contact state model has several contributions: 1) an optimization-based approach is developed to verify the hypothetical states in FIM; 2) penetration check for hypothetical contact states through constraint satisfaction is simple and fast; 3) spatial adjacency can be easily determined using convex cone techniques; 4) a generate-and-test method is proposed to expand qualitative states in FIM; 5) compliant motion parameters are derived by an optimization method.The qualitative contact states and how they are connected is modeled with an adjacency graph/sub-graph, where nodes represent qualitative contact states and spatially adjacent contact states are connected by arcs. Each arc represents a desired contact state transition. The CMSP receives contact state transition event from an on-line estimator, then computes/checks the assembly strategy and issues the next desired contact state transition to the CMCP. The compliant motion strategy is computed using graph-search techniques with the automatic construction of the adjacency graph/sub-graph. The CMSP integrate hypotheses generation, hypotheses verification, spatial adjacency and graph search algorithms.When the next desired contact state transition is received, the CMCP computes the compliant motion parameters that are issued to the underlying continues robot system to achieve the desired contact state transition. The generation of motion parameters is defined as an optimization problem and an algorithm is developed to solve it.The DCMP in this dissertation considers both 3D translational and 3D rotational motions. Experiments are carried out to demonstrate the feasibility of the approach for the automatic assembly of polyhedral parts.
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Halverson, Peter Andrew. "Modeling, Design, and Testing of Contact-Aided Compliant Mechanisms in Spinal Arthroplasty." BYU ScholarsArchive, 2010. https://scholarsarchive.byu.edu/etd/2168.
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Injury, instrumentation, or surgery may change the functional biomechanics of the spine. Spinal fusion, the current surgical treatment of choice, stabilizes the spine by rigid fixation, reducing spinal mobility at the cost of increased stress at adjacent levels. Recently, alternatives to spinal fusion have been investigated. One such alternative is total disc replacements. The current generation of total disc replacements (TDRs) focuses on restoring the quantity of motion. Recent studies indicate that the moment-rotation response and axis of rotation, or quality of motion (QOM), may have important implications in the health of adjacent segments as well as the health of the surrounding tissue of the operative level. This dissertation examines the use of compliant mechanism design theory in the design and analysis of spinal arthroplasty devices. Particularly, compliant mechanism design techniques were used to develop a total disc replacement capable of replicating the normal moment-rotation response and location and path of the helical axis of motion. Closed-form solutions for the device's performance are proposed and a physical prototype was created and evaluated under a modified F1717 and a single-level cadaveric experiment. The results show that the prototype's QOMclosely matched the selected force-deflection response of the specified QOM profile. The use of pseudo-rigid-body modeling to evaluate the effects of various changes on motion at adjacent segments is also investigated. The ability to model biomechanical changes in the spine has traditionally been based on animal models, in vitro testing, and finite element analysis. These techniques, although effective, are costly. As a result, their use is often limited to late in the design process. The pseudo-rigid-body model (PRBM) developed accurately predicted the moment-rotation response of the entire specimen and the relative contribution of each level. Additionally, the PRBM was able to predict changes in relative motion patterns of the specimen due to instrumentation.
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Laferrière, Pascal. "Instrumented Compliant Wrist System for Enhanced Robotic Interaction." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/35502.
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This thesis presents the development of an instrumented compliant wrist mechanism which serves as an interface between robotic platforms and their environments in order to detect surface positions and orientations. Although inspired by similar existing devices, additional features such as noncontact distance estimations, a simplified physical structure, and wireless operation were incorporated into the design. The primary role envisioned for this mechanism was for enabling robotic manipulators to perform surface following tasks prior to contact as this was one requirement of a larger project involving inspection of surfaces. The information produced by the compliant wrist system can be used to guide robotic devices in their workspace by providing real-time proximity detection and collision detection of objects.
Compliance in robotic devices has attracted the attention of many researchers due to the multitude of benefits it offers. In the scope of this work, the main advantage of compliance is that it allows rigid structures to come into contact with possibly fragile objects. Combined with instrumentation for detecting the deflections produced by this compliance, closed-loop control can be achieved, increasing the number of viable applications for an initially open-loop system.
Custom fabrication of a prototype device was completed to physically test operation of the designed system. The prototype incorporates a microcontroller to govern the internal operations of the device such as sensor data collection and processing. By performing many computation tasks directly on the device, robotic controllers are able to dedicate more of their time to more important tasks such as path planning and object avoidance by using the pre-conditioned compliant device data.
Extensive work has also gone into the refinement of sensor signals coming from the key infrared distance measurement sensors used in the device. A calibration procedure was developed to decrease inter-sensor variability due to the method of manufacturing of these sensors. Noise reduction in the signals is achieved via a digital filtering process.
The evaluation of the performance of the device is achieved through the collection of a large amount of sensor data for use in characterisation of the sensor and overall system behavior. This comes in the form of a statistical analysis of the sensor outputs to determine signal stability and accuracy. Additionally, the operation of the device is validated by its integration onto a manipulator robot and incorporating the data generated into the robot’s control loop.
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Mackay, Allen B. "Large-Displacement Linear-Motion Compliant Mechanisms." BYU ScholarsArchive, 2007. https://scholarsarchive.byu.edu/etd/901.
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Linear-motion compliant mechanisms have generally been developed for small displacement applications. The objective of the thesis is to provide a basis for improved large-displacement linear-motion compliant mechanisms (LLCMs). One of the challenges in developing large-displacement compliant mechanisms is the apparent performance tradeoff between displacement and off-axis stiffness. In order to facilitate the evaluation, comparison, and optimization of the performance of LLCMs, this work formulates and presents a set of metrics that evaluates displacement and off-axis stiffness. The metrics are non-dimensionalized and consist of the relevant characteristics that describe mechanism displacement, off-axis stiffness, actuation force, and size. Displacement is normalized by the footprint of the device. Transverse stiffness is normalized by a new performance characteristic called virtual axial stiffness. Torsional stiffness is normalized by a performance characteristic called the characteristic torque. Because large-displacement compliant mechanisms are often characterized by non-constant axial and off-axis stiffnesses, these normalized stiffness metrics are formulated to account for the variation of both axial and off-axis stiffness over the range of displacement. In pursuit of mechanisms with higher performance, this work also investigates the development of a new compliant mechanism element. It presents a pseudo-rigid-body model (PRBM) for rolling-contact compliant beams (RCC beams), a compliant element used in the RCC suspension. The loading conditions and boundary conditions for RCC beams can be simplified to an equivalent cantilever beam that has the same force-deflection characteristics as the RCC beam. Building on the PRBM for cantilever beams, this paper defines a model for the force-deflection relationship for RCC beams. Included in the definition of the RCC PRBM are the pseudo-rigid-body model parameters that determine the shape of the beam, the length of the corresponding pseudo-rigid-body links and the stiffness of the equivalent torsional spring. The behavior of the RCC beam is parameterized in terms of a single parameter defined as clearance, or the distance between the contact surfaces. The RCC beams exhibit a unique force-displacement curve where the force is inversely proportional to the clearance squared. The RCC suspension is modeled using the newly defined PRBM. The suspension exhibits unique performance, generating no resistance to axial motion while providing significant off-axis stiffness. The mechanism has a large range of travel and operates with frictionless motion due to the rolling-contact beams. In addition to functioning as a stand-alone linear-motion mechanism, the RCC suspension can be configured with other linear mechanisms in superposition to improve the off-axis stiffness of other mechanisms without affecting their axial resistance.
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Shan, Lei. "Fluid pressure distribution at the interface between compliant and hard surfaces." Thesis, Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/17788.
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Sifat, Ashrarul Haq. "Tactile Sensing System Integrated to Compliant Foot of Humanoid Robot for Contact Force Measurement." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/87082.
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Human beings have a touch and force estimation mechanism beneath their feet. They use this feeling of touch and force to maintain balance, walk, run and perform various agile motions. This paper presents a new sensor platform beneath the humanoid feet, enabled by a pragmatic model based compliant foot design and sensor configuration that mimics the human tactile sensory system for contact force measurement in humanoid robots. Unlike previous force sensor based approaches, the system is defined as a total and sufficient method of Ground Reaction Force (GRF) and Zero Moment Point (ZMP) measurement for balancing and walking using contact force feedback in mid to full sized humanoids. The conventional systems for the GRF and ZMP measurement are made of heavy metallic parts that tend to be bulky and vulnerable to inertial noises upon high acceleration. In addition to low cost and reliable operation, the proposed system can withstand shock and enable agile motion much like humans do with their footpad. The proposed foot is manufactured using state-of-the-art technique with elastomer padding which not only protects the sensors but also acts as a compliance beneath the foot giving integrity in structural design. This composite layer provides compliance and traction for foot collision while the contact surfaces are sampled for pressure distribution which can be mapped into three axis force and ZMP. A single step training process is required to relate the sensor readings to force measurement.
The system’s capability of contact force measurement, subsequent ZMP estimation is experimentally verified with the application of appropriate software. Moreover, a simulation study has been conducted via Finite Element Analysis (FEA) of the footpad structure to analyze the proposed footpad structure. The experimental results demonstrate why this can be a major step toward a biomimetic, affordable yet robust contact force and ZMP measurement method for humanoid robots.
This work was supported by the Office of Naval Research, Grant N00014-15-1-2128 as part of development of Project SAFFiR (Shipboard Autonomous Firefighting Robot).Master of Science
How we interact with the surfaces in contact with us has a crucial role for balancing and walking with agility. The biological touch and force measurement systems in human is currently unmatched, not even mimicked in a significant way in the state-of-the-art humanoid robots’ systems. Human beings use this feeling of touch and force beneath the feet to maintain balance, walk, run and perform various agile motions. This research aims to find a holistic system in humanoid robot’s feet design that can mimic this human characteristics of force estimation beneath the feet and using that estimation for balancing and walking. A practical model based sensor configuration is derived from the rigorous study of human and humanoid robot’s feet contact with the ground. The sensors are tactile in nature, and unlike previous below feet based approaches, the system is defined as a total and sufficient system of Ground Reaction Force (GRF) and Center of Pressure (CoP) measurement. The conventional systems for this purpose are not only highly expensive but also having error in quantification during accelerated movement. The proposed foot is designed following the practical model derived and manufactured using the state-of-the-art mechanism for having a soft cushion between the sensors and the contact surfaces. In addition to low cost and reliable operation, the proposed system can withstand shock and enable agile motion much like humans do with their footpad. The quantification of the forces and pressure from the sensor readings and developed using appropriate software and algorithms. The system’s capability of contact force measurement, subsequent Center of Pressure measurement is experimentally verified with the application of appropriate software. Moreover, a simulation study has been conducted of the footpad structure to analyze the proposed footpad structure. The experimental results demonstrate why this can be a major step toward a biomimetic, affordable yet robust contact force and Center of Pressure measurement method for human-like robots.
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Cannon, Jesse R. "Compliant Mechanisms to Perform Bearing and Spring Function in High Precision Applications." BYU ScholarsArchive, 2004. https://scholarsarchive.byu.edu/etd/229.
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An increasing number of mechanical systems are being designed on the micro and meso scales. Assembly and maintenance become increasingly difficult as the size of mechanisms decrease, and the minimum size of traditional elements such as bearings and springs is limited. The backlash of bearings also limits their usefulness in applications where high precision and repeatability are needed. At small scales and for high precision applications, alternative, non-traditional elements are needed. The objective of this thesis is to develop reliable and scalable compliant components to replace bearings and helical springs. Components replacing springs must be able to produce specified torque/motion requirements. Components replacing bearings must permit sufficient motion about the axis of rotation, bear specified loads in the lateral directions, and fit within roughly the same design space as a bearing. Additionally, all components will be designed to be manufactured using in-plane fabrication processes. Practical application of the components will be demonstrated by their use in Sandia National Laboratory's Stronglink assembly. The concepts discussed in this thesis fall into three categories: mechanisms that replace 1) the helical spring, 2) the bearing, and 3) both the helical spring and the bearing. The serpentine flexure belongs to the first category, the compliant rolling-contact element (CORE), CORE bearing, and elliptical CORE bearing belong to the second, and the compliant contact-aided revolute (CCAR) joint belongs to the third category.
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Du, Lucy W. "Design of a constraint device for compliant bodies using quasi-conformal contact surfaces as applied to mouse imaging." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/104291.
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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2016.Cataloged from PDF version of thesis.
Includes bibliographical references (pages 99-101).
The purpose of this work is the modeling and prototyping of quasi-conformal constraint contacts and the investigation of their positioning ability for compliant bodies, specifically for the holding of mice in optical imaging setups. The direct application of this work is the restraint of laboratory mice for biological imaging of micron- and submicron-scale biological structures. No existing research has measured the shear stiffness of mouse facial tissue or modeled the effect of quasi-conformal contact constraints on nonlinear materials. The constraint devices and techniques currently available for mice have limitations that have prevented further exploration of their biological structures. The theoretical model, design rationale, and testing results of a prototype device utilizing quasi-conformal constraints are presented in this thesis. This device is capable of restraining anesthetized mice to sub-micron movement in all axes of translation, without additional surgery or discomfort to the mouse. With the findings presented in this thesis, the design of further optimized devices can be made-both for anesthetized and awake mice-enabling further studies in bone marrow and neural activity that are currently impossible. This could ultimately lead to breakthroughs in stem cell and neurobiological research.
by Lucy W. Du.
S.M.
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Jeong, Seung Hee. "Soft Intelligence : Liquids Matter in Compliant Microsystems." Doctoral thesis, Uppsala universitet, Mikrosystemteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-281281.
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Soft matter, here, liquids and polymers, have adaptability to a surrounding geometry. They intrinsically have advantageous characteristics from a mechanical perspective, such as flowing and wetting on surrounding surfaces, giving compliant, conformal and deformable behavior. From the behavior of soft matter for heterogeneous surfaces, compliant structures can be engineered as embedded liquid microstructures or patterned liquid microsystems for emerging compliant microsystems. Recently, skin electronics and soft robotics have been initiated as potential applications that can provide soft interfaces and interactions for a human-machine interface. To meet the design parameters, developing soft material engineering aimed at tuning material properties and smart processing techniques proper to them are to be highly encouraged. As promising candidates, Ga-based liquid alloys and silicone-based elastomers have been widely applied to proof-of-concept compliant structures. In this thesis, the liquid alloy was employed as a soft and stretchable electrical and thermal conductor (resistor), interconnect and filler in an elastomer structure. Printing-based liquid alloy patterning techniques have been developed with a batch-type, parallel processing scheme. As a simple solution, tape transfer masking was combined with a liquid alloy spraying technique, which provides robust processability. Silicone elastomers could be tunable for multi-functional building blocks by liquid or liquid-like soft solid inclusions. The liquid alloy and a polymer additive were introduced to the silicone elastomer by a simple mixing process. Heterogeneous material microstructures in elastomer networks successfully changed mechanical, thermal and surface properties. To realize a compliant microsystem, these ideas have in practice been useful in designing and fabricating soft and stretchable systems. Many different designs of the microsystems have been fabricated with the developed techniques and materials, and successfully evaluated under dynamic conditions. The compliant microsystems work as basic components to build up a whole system with soft materials and a processing technology for our emerging society.
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Quinn, Cheney. "Vliv viskoelasticity a provozních podmínek na tření poddajných kontaktů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-444274.
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Poddajné kontakty obsahující polymerní nebo pryžové členy lze nalézt v technických i biologických aplikacích. I přes vývoj v této oblasti existují efekty, které ovlivňují tribologické aspekty těchto kontaktů, a je třeba je dále zkoumat. Tato práce se zabývá vlivy kinematických podmínek, konfigurace, viskoelasticity a viskozity maziva na tření v mazaných poddajných kontaktech. Výsledky byly použity k vývoji numerického modelu pro predikci kapalinového tření v poddajných kontaktech. K objasnění chování poddajných kontaktů bylo použito zařízení Mini Traction Machine (MTM) v konfiguraci ball-on-disc, což umožnilo zkoumání zmíněných vlivů. Z poznatků z technické oblasti bylo zjištěno, že viskoelasticita se projevuje ve všech konfiguracích, tedy soft-on-hard, hard-on-soft a soft-on-soft, a její efekt je nejvýznamnější v konfiguracích s poddajným diskem. Data dále ukazují, že poměr skluzu a valení má vliv na valivé tření což je v rozporu se současnou literaturou. Výsledky z biologické oblasti naznačují, že za určitých podmínek lze nahradit nativní kapalinu jednoduchým mazivem. Tyto poznatky mohou posloužit jako odrazový můstek pro další studie zabývající se poddajnými kontakty.
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Bondoky, Karim [Verfasser], Klaus [Gutachter] Janschek, and Stefanos [Gutachter] Fasoulas. "A Contribution to Validation and Testing of Non-Compliant Docking Contact Dynamics of Small and Rigid Satellites Using Hardware-In-The-Loop Simulation / Karim Bondoky ; Gutachter: Klaus Janschek, Stefanos Fasoulas." Dresden : Technische Universität Dresden, 2020. http://d-nb.info/122783313X/34.
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Dočkal, Kryštof. "Analýza mazaného kontaktu poddajných těles." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231789.
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This diploma thesis deals with the proposal of methodology for film thickness eva- luation within compliant contacts. With respect to characteristics of such contact pairs, like variable film thickness, high surface roughness, or poor conductivity and reflectivity, the usage of conventional experimental methods is particularly complicated. In present study, an optical method based on the principle of fluo- rescent microscopy was employed in present thesis. An evaluation algorithm in- volving background normalization and calibration of fluorescent intensity to film thickness was created in a form of experimental software. The proposed algori- thm was validated by using elastohydrodynamic contact formed between ceramic ball and glass disc. The measured film thickness was compared with theoretical prediction, while very good agreement of obtained data was observed. Further, a series of experiments with compliant samples was conducted, while the central film thickness was evaluated as a function of mean speed, applied lubricant, ap- plied load and slide-to-roll ratio. The last part of the thesis is focused on results analysis and discussion considering the previously published literature.
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Jaroš, Tomáš. "Utváření mazacího filmu v poddajném kontaktu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-318376.
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This diploma thesis deals with the study of film formation in compliant contact. Primary attention is dedicated to the influence of the entrainment speed and slide-to-roll ratio (SRR) on the central film thickness. Based on a research study of the available experimental methods, the fluorescence microscopy was used to achieve the aim of the work. Experiments were realized in ball-on-disk configuration. Firstly, a validation of the method was performed where the solid contact of the ceramic ball and the glass disk was analyzed. Since the measured values were in a good agreement with the theoretical prediction, a ball of NBR rubber material, which is commonly used for production of lip seals and o-rings, was subsequently used. The experimental measurements were performed under pure rolling and rolling/sliding conditions when the entrainment speeds varied in the range from 10 to 400 mm / s. A constant load of 0.2 N was applied. The measured data were then compared to the theoretical predictions for compliant contacts. The results showed that the thickness of the lubricating film gradually increases with increasing entrainment speed, which corresponds to theoretical assumption. Against expectations, evident influence of SRR on the film formation has been observed. In the last part of the thesis the measured data are confronted with previously published studies. Finally, some limitations of this study are discussed and recommendations for further improvement of the used experimental method are suggested.
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Myant, Connor William. "Experimental techniques for investigating lubricated, compliant contacts." Thesis, Imperial College London, 2010. http://hdl.handle.net/10044/1/5944.
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The study of Tribology between soft or compliant surfaces is not well understood despite its importance to many biological and engineering applications, ranging from synovial joints to rubber o-ring seals. It has also been shown that the science of Tribology and lubrication in compliant contacts is an important factor in the sensory perception and functionality of skin, hair and the oral cavity, and so has an immediate application of the design of consumer products such as skin creams, hair conditioners and foodstuffs. This thesis aims to improve our understanding of thin film lubrication between soft, deformable surfaces under light loading and low-pressure conditions. The primary focus of the thesis is the development of techniques by which to measure the film thickness between compliant surfaces, from the nano- to the micro-scale. Several experimental techniques currently exist for measuring film thickness in hard, metallic contacts and these are widely employed in Tribology research of engineering systems. However they require considerable modification to be applicable to compliant contacts. This thesis describes the development of two such techniques; · a optical interferometric technique; for measuring nano-scale thicknesses in compliant contacts; · a laser induced fluorescence technique; developed to enable measurement of lubricant thickness of relatively thick films in compliant contacts.
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Wolfe, Jessica Taylor. "Compliance and Education in Soft Contact Lens Wearers." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1586539881925913.
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Lequet, Pierre. "L'ordre public environnemental et le contrat de droit privé." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLV043.
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La protection de l’environnement et le contrat de droit privé apparaissent tantôt antinomiques, tantôt complémentaires. En tant qu’instrument juridique des activités économiques, le contrat concourt à la crise écologique. Cette crise menace la pérennité des conditions d’une vie développée sur terre pour les générations présentes et futures. L’objectif de développement durable requiert l’élaboration d’un ordre public environnemental permettant de contrôler la conformité du contrat de droit privé à la conservation de l’intérêt environnemental.Induisant l’existence d’un ordre public environnemental de la multitude de règles impératives de protection de l’environnement, nous proposons une théorie générale de l’ordre public environnemental ainsi que son articulation avec le contrat de droit privé.Cette dernière révèle que si la validité du contrat de droit privé est conditionnée au respect de l’ordre public environnemental, la bonne réalisation de l’ordre public environnemental est conditionnée à la reconnaissance de la fonction environnementale du contratProtection of the environment and the contract appear to be sometimes contradictory, sometimes complementary. As a legal instrument for economic activities, the contract contributes to the ecological crisis. This crisis threatens the sustainability of the conditions for a life developed on earth for present and future generations. The objective of sustainable development requires the construction of an environmental public policy to control the conformity of the private law contract with the conservation of the environmental interest.Inducing the existence of an environmental public policy from the multitude of mandatory environmental protection rules, we propose a general theory of environmental public policy and its articulation with the private law contract.The latter reveals that while the validity of the private law contract is conditional on compliance with environmental public policy, the proper implementation of environmental public policy is conditional on recognition of the environmental function of the contract
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Eby, Anne Kathryn. "Factors affecting medical-surgical area nurses' compliance with contact precautions." Thesis, Montana State University, 2009. http://etd.lib.montana.edu/etd/2009/eby/EbyA1209.pdf.
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Multidrug-resistant organisms are a significant threat in health care facilities, and are associated with many adverse consequences for infected patients. However, despite these concerns and the evidence that contact precautions are an effective way to address them, compliance with contact precautions guidelines among health care workers remains low (Farr, 2000). The primary goal of this study was to examine factors affecting medical-surgical nurses' compliance with contact precautions guidelines when caring for patients colonized by or infected with multidrug-resistant organisms. A secondary purpose of this study was to describe demographic characteristics of medical-surgical nurses to determine if certain characteristics (e.g. age, time in practice, level of education) had a relationship with their compliance in using contact precautions guidelines. Finally, this study examined barriers to the use of contact precautions and consequences for failure to follow contact precautions guidelines. A survey tool was developed by the researcher for this study to examine these questions, and an exploratory, cross-sectional, correlation descriptive study was conducted. The study group was made up primarily of female nurses with associate or bachelor degrees. Nurses from the orthopedic and neurosurgery unit made up the largest percentage of respondents. All respondents indicated that they were familiar with CP guidelines. Eight primary barriers to the use of contact precautions were listed by participants. Half of the participants listed one of the time management categories ("no time" or "urgency") as the primary barrier to compliance with contact precautions. Participants' age, years experience and level of education were not statistically significant predictors of the participants' level of compliance. There was not a statistically significant difference between the barriers to compliance groups (no time/urgency versus other) on their ability to comply with contact precautions. Lastly, there was not a statistically significant relationship among the primary consequence of non-compliance with CP guidelines (medical versus other) and the participants' level of compliance (low versus high).
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Strano, Massimo. "Contract specification for compliance checking of business interactions." Thesis, University of Newcastle Upon Tyne, 2010. http://hdl.handle.net/10443/1402.
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In the business world, contracts are used to regulate business interactions between trading parties. When business transactions are conducted over an electronic channel, electronic forms of contracts are needed; and because of the additional capabilities of an electronic means, their function can be extended to include compliance checking for the interactions of the parties, and enforcement of contractual clauses when needed. A contract is assumed to be a document that stipulates a list of clauses stating rights, obligations and prohibitions, and their associated constraints, that business partners are expected to honour. Compliance checking is taken to mean checking if business operations executed by business partners match with their rights, obligations and prohibitions as stipulated in the contract. We intend enforcement as making sure that business operations match the rights, obligations, and prohibitions of the parties, possibly compensating for deviations from expected behaviour. In traditional business interactions, compliance checking and enforcement are carried out man- ually. With electronic business interactions, such tasks can ideally be automated. This requires a model for the process of checking contract compliance, and an electronic language for the speci ca- tion of the actual contract. The rst main contribution of this thesis is such a model. The EROP model (from Events, Rights, Obligations and Prohibitions), composed of an ontology and an architecture, observes the interactions between the business partners, forms an interpretation of their outcome from a neutral perspective and checks their contractual compliance by matching executed operations with their sets of rights, obligations, and prohibitions, and reacting accordingly to them. Implementations of the EROP ontology and of an experimental prototype of the architecture are also presented. The second main contribution of this thesis is the EROP language, designed to specify contractual compliance, and to regulate execution of business operations through the manipulation of the sets of rights, obligations and prohibitions of the business partners. The EROP language is rule-based and event-driven, and, in a similar fashion to contracts in natural language, contractual clauses are expressed as business rules, conditional statements associating events and conditions to lists of actions altering the rights, obligations and prohibitions of the participants. The practicality of the approach taken with the EROP language is evaluated presenting a larger, complete scenario and a number of smaller ones taken from comparable work. Notes on the translation of the EROP language to one on a lower level of abstraction that relies on the implementation of the EROP ontology are also presented. The Appendix presents a formal grammar for the language.
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Souleiman, Isman Yahyeh. "Analyse de quelques problèmes de contact glissant." Thesis, Perpignan, 2017. http://www.theses.fr/2017PERP0010/document.
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Les phénomènes de contact impliquant des corps déformables abondent dans l'industrie, notamment dans les structures mécaniques. En raison de leur complexité intrinsèque, les phénomènes de contact sont modélisés à l'aide de problèmes aux limites fortement non linéaires. De ce fait, la modélisation de ces phénomènes pose plusieurs difficultés mathématiques. Dans cette thèse, nous nous intéressons à la modélisation, l'analyse variationnelle et l'analyse numérique de problèmes de contact glissant intervenant en mécanique des solides, pour des matériaux élastiques, viscoélastiques et viscoplastiques. La première partie de cette thèse rappelle quelques résultats préliminaires, notamment des outils mathématiques et mécaniques nécessaires pour réaliser la suite de ce travail. La deuxième partie est consacrée à l'étude de quelques problèmes de contact glissant sous diverses conditions de contact et frottement. Pour chacun de ces problèmes, nous introduisons les formulations fortes et des formulations variationnelles. Ensuite, nous obtenons des résultats d'existence et d'unicité des solutions faibles, sous certaines hypothèses de petitesse, ainsi que des résultats de convergence. Enfin, nous proposons une approximation numérique de certains problèmes de contact à l'aide de schémas discrétisés. Pour ces schémas, nous obtenons des résultats d'estimation de l'erreurContact phenomena involving deformable bodies abound in industry, especially in mechanical structures. Due to their intrinsic complexity, contact phenomena are modelled with strongly nonlinear boundary problems. For this reason, the modelling of these phenomena gives rise to various mathematical difficulties. In this thesis, we are interested in the modelling, the variational analysis and the numerical analysis of problems of sliding contact in solid mechanics for elastic, viscoelastic and viscoplastic materials. The first part of this thesis concerns some preliminary results, in particular the mathematical and mechanical tools necessary to carry out the continuation of this work. The second part is devoted to the study of some problems of sliding contact under various conditions of contact and friction. For each of these problems, we introduce strong formulations and variational formulations. Then, we obtain results of existence and uniqueness of the weak solutions, under smallness assumptions, as well as results of convergence. Finally, we propose a numerical approximation of some contact problems based on the etudy of discretized schemes. For these schemes we obtain error estimates results
22
Fournier, Aurore. "La réception juridique en droit privé." Thesis, Montpellier 1, 2010. http://www.theses.fr/2010MON10047.
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La réception juridique déclare exempts de défauts de conformité et de vices apparents, dans un contexte contradictoire, l'objet et l'exécution de la prestation caractéristique du contrat, ou d'une prestation indispensable à son exécution. Manifestation de volonté encadrée développant un effet extinctif et un effet créateur, sa qualification en acte juridique est incontestable. Constituant une étape essentielle dans l'exécution contractuelle, ce mécanisme, utilisé dans de nombreuses conventions, et dans des domaines très variés, assure une protection équilibrée des intérêts de ses participants, représentant une libération pour l'un, une vérification pour l'autre. La révélation d'un droit commun de la réception juridique, qui implique la définition de la notion et de ses éléments constitutifs, l'analyse de ses effets et la confirmation de sa qualification d'acte juridique, invite à faire preuve de davantage de rigueur lorsque l'on utilise la réception juridique, afin de préserver l'équilibre qu'elle assureIn an adversarial context, the acceptance of performance declares free of conformity defects and free of apparent defects the subject and performance of the service characteristic of the contract or a service essential to its performance. The regulated expression of will developing a divestitive effect and a creating effect makes its qualification as a legal act genuine. As a fundamental step in the contractual performance, this mechanism used in several conventions and several fields ensures a balanced protection of each participant's interests, meaning on one side a release and on the other side a verification. The disclosure of a general law of the acceptance of performance, which implies the definition of the concept and its constituent elements, the determination of its consequences and the confirmation of its qualification as a legal act, prompts to more strictness in the use of the acceptance of performance to preserve the balance its ensures
23
Guner, Kani Kerim. "Mpeg-7 Compliant Ordbms Based Image Storage And Retrieval System." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/1260247/index.pdf.
Full textAbstract:
There is an accelerating demand to access and work over the visual content of documents. Because of the insufficiency of text-based techniques for storing this data, content-based image retrieval (CBIR) systems have become a promising field.
Due this fact, in this study a CBIR system is implemented that is Mpeg-7 compliant and ORDBMS based. The database contains images and their content summaries that are parsed from XML files. The summaries describe their dominant colors, color histograms, color spaces and labels, in order to be compliant with Mpeg-7. The query process requires only the summary not the image itself.
Software implementation of the system is based on JSP and servlet technologies using Oracle database and Tomcat web server. It is shown that the usage of these tools in the proposed architecture brings security, portability, and speed.
24
Coccia, Anna Claudia. "Surveillance colonoscopy for Lynch syndrome in the Northern Cape: Does direct contact improve compliance?" Master's thesis, University of Cape Town, 2018. http://hdl.handle.net/11427/29299.
Full textAbstract:
Introduction
The Annual Northern Cape Colonoscopy Outreach program provides surveillance colonoscopy to high–risk individuals known with Lynch Syndrome along the west coast and in the Northern Cape Province of South Africa. There are currently over 100 known mutation positive individuals. Surveillance colonoscopies are performed annually in August/September, and are preceded a by a preparation visit approximately 6-8 weeks prior. The aim of the preparation trip has been to directly impart information, regarding preparation and importance of attendance, to individuals required to attend annual surveillance. During the preparation trip an attempt is made to reach all individuals scheduled for surveillance but due to the vastness of the Northern Cape inevitably every year some areas are not visited. It has been noted that over the past few years fewer than 25 % of the total participants obtained 100 % adherence to surveillance.
Objectives
The primary objective of this study is to determine whether there is a need for a yearly colonoscopy preparation visit to high–risk individuals in the Northern Cape. The study determines if direct interaction with patients prior to surveillance colonoscopy will significantly impact attendance and adequacy of bowel preparation.
Methods
Seventy-eight individuals known with a genetic mutation for Lynch syndrome were enrolled in this randomised crossover trial spanning two years of surveillance. The control group (Group A) of individuals had bowel preparation and instructions forwarded to their local clinics and distributed to them via clinic or hospital staff. The test group (Group B) of individuals were personally visited and provided with instructions and bowel preparation by the research team. A measurement of attendance at surveillance colonoscopy as well as cleanliness of the colon was recorded. The study spanned two years of colonoscopy surveillance, July 2014 to September 2015, with a crossover of the control and test groups.
Results
The study cohort consisted of 28 (36%) male and 50 (64%) female participants with a median age of 39.5 years. Groups A and B consisted of 38 and 40 participants respectively. In September 2014 thirty-six (46.2%) participants presented for annual surveillance colonoscopy, 19 (50%) from the control group (Group A) and 17 (42.5%) from the intervention group (Group B). In 2015 there were 41 (53%) compliant individuals; this included 21 (55%) individuals receiving a preparatory direct contact visit (Group A), and 20 (50%) individuals from the 2015 control group B. Following exclusion of carry-over and period effect, the study intervention was found not to significantly impact attendance (p-value = 0.853). Superior attendance was noted in individuals with prior compliance to surveillance (p-value = 0.001).
Conclusions
Direct interaction with known Lynch syndrome individuals prior to annual surveillance colonoscopy has not shown to positively impact attendance. Interaction and counselling should focus on individuals identified to be defaulting surveillance.
25
Ramadan, Ahmad. "Modélisation et analyse de quelques problèmes de contact avec compliance normale et contrainte unilatérale." Thesis, Perpignan, 2014. http://www.theses.fr/2014PERP1207.
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Les phénomènes de contact entre des corps déformables ou entre un corps déformable et une fondation rigide sont des phénomènes omniprésents dans la vie courante. Ces phénomènes peuvent faire appel à des modèles mathématiques sophistiqués qui sont représentés par des systèmes d’équations aux dérivées partielles avec des conditions aux limites décrivant des processus de contact (avec ou sans frottement) complexes. Cependant, la théorie mathématique des problèmes de contact est un domaine d’études très large où de nombreux problèmes restent à investiguer. Le champ d’études de cette thèse concerne aussi bien l’élaboration de nouveaux modèles de contact et frottement que l’analyse mathématique et la résolution numérique des problèmes considérés. Dans ces travaux, notre objectif est d’apporter une contribution à cette théorie mathématique des problèmes de contact. En d’autres termes, l’objet de notre travail de thèse est d’étudier théoriquement et numériquement quelques problèmes de contact entre un corps déformable et une fondation rigide en utilisant plusieurs lois originales de comportement et de contact avec et sans frottementPhenomena of contact between deformable bodies or between a deformable body and a rigid foundation abound in everyday life. These phenomena may involve sophisticated mathematical models represented by systems of partial differential equations with boundary conditions describing complex contact processes (with or without friction). However, the mathematical theory of contact problems is a broad field of study where many issues remain to be investigated. The field studies of this thesis concerns, the development of new models of contact and friction as well as the mathematical analysis and numerical solution of the problems considered. In this work, our goal is to make a contribution to this mathematical theory of contact problems. In other words, the purpose of our thesis is to study theoretically and numerically some problems of contact between a deformable body and a rigid foundation using several original constitutive and contact laws with and without friction
26
Alfredsson, Bo. "A study on contact fatigue mechanisms." Doctoral thesis, Stockholm, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3028.
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Curran, Theresa. "Standardizing Instructional Definition and Content Supporting Information Security Compliance Requirements." Diss., NSUWorks, 2018. https://nsuworks.nova.edu/gscis_etd/1038.
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Information security (IS)-related risks affect global public and private organizations on a daily basis. These risks may be introduced through technical or human-based activities, and can include fraud, hacking, malware, insider abuse, physical loss, mobile device misconfiguration or unintended disclosure. Numerous and diverse regulatory and contractual compliance requirements have been mandated to assist organizations proactively prevent these types of risks. Two constants are noted in these requirements. The first constant is requiring organizations to disseminate security policies addressing risk management through secure behavior. The second constant is communicating policies through IS awareness, training and education (ISATE) programs. Compliance requirements direct that these policies provide instruction about making compliant and positive security decisions to reduce risk. Policy-driven and organizationally-relevant ISATE content is understood to be foundational and critical to prevent security risk. The problem identified for investigation is inconsistency of the terms awareness, training and education as found in security-related regulatory, contractual and policy compliance requirements. Organizations are mandated to manage a rapidly increasing portfolio of inconsistent ISATE compliance requirements generated from many sources. Since there is no one set of common guidance for compliance, organizations struggle to meet global, diverse and inconsistent compliance requirements. Inconsistent policy-related content and instructions, generated from differing sources, may cause incorrect security behavior that can present increased security risk. Traditionally, organizations were required to provide only internally-developed programs, with content left to business, regulatory/contractual, and cultural discretion. Updated compliance requirements now require organizations to disseminate externally-developed content in addition to internally-provided content. This real-world business requirement may cause compliance risks due to inconsistent instruction, guidance gaps and lack of organizational relevance.
The problem has been experienced by industry practitioners within the last five years due to increased regulatory and contractual compliance requirements. Prior studies have not yet identified specific impacts of multiple and differing compliance requirements on organizations. The need for organizational relevance in ISATE content has been explored in literature, but the amount of organizationally-relevant content has not been examined in balance of newer compliance mandates.The goal of the research project was to develop a standard content definition and framework. Experienced practitioners responsible for ISATE content within their organizations participated in a survey to validate definitions, content, compliance and organizational relevance requirements imposed on their organizations. Fifty-five of 80 practitioners surveyed (68.75% participation rate) provided responses to one or more sections of the survey. This research is believed to be the first to suggest a standardized content definition for ISATE program activities based on literature review, assessment of existing regulatory, contractual, standard and framework definitions and information obtained from specialized practitioner survey data. It is understood to be the first effort to align and synthesize cross-industry compliance requirements, security awareness topics and organizational relevance within information security awareness program content. Findings validated that multiple and varied regulatory and contractual compliance requirements are imposed on organizations. A lower number of organizations were impacted by third party program requirements than was originally expected. Negative and positive impacts of third party compliance requirements were identified. Program titles and content definitions vary in respondent organizations and are documented in a variety of organizational methods. Respondents indicated high acceptance of a standard definition of awareness, less so for training and education. Organizationally-relevant program content is highly important and must contain traditional and contemporary topics. Results are believed to be an original contribution to information/cyber security practitioners, with findings of interest to academic researchers, standards/framework bodies, auditing/risk management practitioners and learning/development specialists.
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Mashele, Faith. "The relationship between sustainability and compliance in a procurement context." Diss., University of Pretoria, 2015. http://hdl.handle.net/2263/52442.
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Regulatory compliance plays a key role in influencing organisations to engage in responsible business practices that contribute towards driving objectives around social, economic and environmental considerations. At a national level, governments around the world use regulation as a policy lever to drive imperatives that promote socio-economic and environmental objectives. Procurement, therefore, plays a significant role in ensuring that the contribution towards sustainability objectives is achieved and accelerated.
This study set out to understand the impact of regulatory compliance on the adoption of sustainable procurement practices by organisations, whist assessing whether leaders are able to balance compliance and the interests of various stakeholders in procurement decision making processes. Confirmatory factor analysis and structural equation modeling were the main statistical techniques that were used to quantitatively test primary data that was collected from 247 procurement and sustainability managers within the public and the private sector.
Relationships were observed between regulatory compliance, leadership and decision making towards adoption of sustainability objectives by organisations. It was observed that leaders are able to consider and translate stakeholder views into compliant decisions. Finally, the results have showed that there is strong relationship between regulatory compliance and sustainability, highlighting the contribution of procurement compliance towards driving sustainable development.Mini-disseration (MBA)--University of Pretoria, 2015.
nk2016
Gordon Institute of Business Science (GIBS)
MBA
Unrestricted
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Aluc, Gunes. "Design And Implementation Of An Ontology Extraction Framework And A Semantic Search Engine Over Jsr-170 Compliant Content Repositories." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12610665/index.pdf.
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A Content Management System (CMS) is a software application for creating, publishing, editing and managing content. The future step in content management system development is building intelligence over existing content resources that are heterogeneous in nature. Intelligence collected at the knowledge base can later on be used for executing semantic queries. Expressing the relations among content resources with ontological formalisms is therefore the key to implementing such semantic features.
In this work, a methodology for the semantic lifting of JSR-170 compliant content repositories to ontologies is devised. The fact that in the worst case JSR-170 enforces no particular structural restrictions on the content model poses a technical challenge both for the initial build-up and further synchronization of the knowledge base. To address this problem, some recurring structural patterns in JSR-170 compliant content repositories are exploited. The value of the ontology extraction framework is assessed through a semantic search mechanism that is built on top of the extracted ontologies. The work in this thesis is complementary to the &ldquoInteractive Knowledge Stack for small to medium CMS/KMS providers (IKS)&rdquo
project funded by the EC (FP7-ICT-2007-3).
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Danan, David. "Modélisation, analyse et simulations numériques de quelques problèmes de contact." Thesis, Perpignan, 2016. http://www.theses.fr/2016PERP0015/document.
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Les phénomènes de contact entre les corps, déformables ou non, sont omniprésents dans la vie courante. Leurs modélisations requièrent des outils mathématiques faisant appel à des systèmes d'équations aux dérivées partielles incluant des conditions aux limites non triviales pour décrire le contact. Si les aspects physiques de la mécanique du contact sont connus depuis longtemps, la théorie mathématique qui lui est dédiée reste relativement récente laissant ainsi place à de nombreux problèmes à investiguer. Ce travail porte sur la modélisation, l'analyse et la simulation numérique de tels problèmes. Il se situe à mi-chemin entre la mécanique du contact et les aspects mathématiques inhérents au type de problème qui en découle. L'objectif est ici d'étudier certaines catégories de problèmes faisant intervenir des conditions originales de contact (avec et sans frottement) à la fois d'un point de vue mathématique et numérique, afin d'apporter une contribution à la théorie mathématique, puis de mettre en avant quelques méthodes numériques adaptées à leur résolution dans un cadre spécifiqueContact phenomena between bodies, whether they are deformable or not, abound in everyday life. Their modellings require mathematical tools using systems of partial differential equations and involving complex boundary conditions, in order to describe the contact. While the physical aspects of such phenomena have been known for a long time, the mathematical theory remains relatively recent which leaves room for numerous problems. This work focuses on the modelling, the analysis and the numerical simulations of such problems. It is located halfway between contact mechanics and the mathematical aspects inherent to the mechanical questions involved. Our aim is to study several groups of problems that include original contact conditions (with or without friction), both from a mathematical and numerical point of view, in order to contribute to the theory, and also to highlight several numerical methods used to solve specific contact problems
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Rietz, Andreas. "Existence theorems for noncoercive incremental contact problems with Coulomb friction." Doctoral thesis, Linköping : Univ. Dept. of Mathematics, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-359.
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Marston, Mary W. "The use of contract compliance as a legal technique in attaining policy objectives." Thesis, University of Sheffield, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.385619.
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Wiedmann, Stephen Louis. "Kinematic Analysis of a Threaded Fastener Assembly." Thesis, Virginia Tech, 2000. http://hdl.handle.net/10919/31685.
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The demands for an increase in productivity and reduced assembly costs require engineers to automate solutions that replace manual labor. This work concentrated on a common assembly primitive, threaded fastener insertion, in an effort to determine the nature of contact between a bolt and nut during thread mating. The assembly problem was initially simplified as a two-dimensional analysis to gain an understanding about how contacts between the bolt and nut change during counter-clockwise motion. Tessellated solid models were used during three-dimensional collision analysis in such a way that the approximate location of the contact point was enumerated. The advent of a second contact point presented a more constrained contact state since we are interested in maintaining both contacts; thus the bolt rotated about a vector defined by the initial two contact points until a third contact location was found. By analyzing the depth of intersection of the bolt into the nut as well as the vertical movement of the origin of the bolt reference frame, we determined that there are three types of contacts states present: unstable two-point, quasi-stable two-point, stable three point. Though the unstable case remains to be deciphered, the parametric equations derived in this work can be used without modification to create a full spectrum of maps at any point in the history of a threaded assembly problem. We investigated 81 potential orientations, each of which has its own set of contact points. From this exhaustive examination, we are capable of detailing a contact state history and, from this, have the potential to develop a constraint network.Master of Science
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Khoury, Vanessa El. "Semantic protection and personalization of video content PIAF : MPEG compliant adaptation framework preserving the user perceived quality." Thesis, Lyon, INSA, 2013. http://www.theses.fr/2013ISAL0086/document.
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Dans cette thèse, nous proposons un framework d’adaptation appelé "Personalized vIdeo Adaptation Framework" (PIAF) conçu à partir des standards MPEG. PIAF intègre les contraintes sémantiques et vise à maximiser la qualité perçue par l’utilisateur lors de la visualisation de la vidéo tout en respectant les droits de propriété intellectuelle. Les contributions de cette thèse peuvent être résumées comme suit. Dans un premier temps, nous avons utilisé et étendu les standards MPEG-7 et MPEG-21 afin de représenter les préférences des utilisateurs. Nous avons ensuite proposé un modèle formel du processus d’adaptation sémantique d’une vidéo et défini une fonction d’utilité régissant le mécanisme de prise de décision du MPDA. Cette fonction tient compte de différentes dimensions de qualité (qualité perceptuelle, sémantique, temps d’exécution nécessaire) afin d’évaluer quantitativement la qualité d’un plan d’adaptation. Le processus d’adaptation que nous proposons intègre les droits de propriété intellectuelle dans le processus de décision. Dans certains cas, le plan d’adaptation qui produirait la vidéo de meilleure qualité adaptée aux préférences de l’utilisateur peut être inapplicable car il ne respecte pas les contraintes du propriétaire. Trouver le meilleur plan d’adaptation devient alors un problème NP-complet. Nous avons proposé une solution pratique à ce problème sous la forme d’une heuristique capable de sélectionner un plan très proche de l’optimum en un temps de calcul raisonnable. Afin d’implémenter ce framework, nous avons également développé un outil d’annotation sémantique de contenu vidéo (SVCAT) qui produit des annotations sémantiques structurelles et de haut niveau selon un modèle objet basé sur du contenu vidéo. Nous avons validé nos travaux avec des évaluations qualitatives et quantitatives qui nous ont permis d’étudier la performance et l'efficacité du MPDA. Nous avons validé nos travaux avec des évaluations qualitatives et quantitatives qui nous ont permis d’étudier la performance et l'efficacité du MPDA. Les résultats obtenus démontrent que la fonction d’utilité proposée présente une forte corrélation avec les évaluations subjectives fournies par des utilisateurs concernant la qualité d’une vidéo adaptée, et constitue donc une base tout à fait pertinente pour le MPDAUniversal Multimedia Experience (UME) is the notion that a user should receive informative adapted content anytime and anywhere. Personalization of videos, which adapts their content according to user preferences, is a vital aspect of achieving the UME vision. User preferences can be translated into several types of constraints that must be considered by the adaptation process, including semantic constraints directly related to the content of the video. The overall goal of this adaptation process is to provide users with adapted content that maximizes their Quality of Experience (QoE). This QoE depends at the same time on the level of the user's satisfaction in perceiving the adapted content, the amount of knowledge assimilated by them, and the adaptation execution time. In video adaptation frameworks, the Adaptation Decision Taking Engine (ADTE), is responsible for achieving this goal. The task of the ADTE is challenging as many adaptation operations can satisfy the same semantic constraint, and thus arising in several feasible adaptation plans. Indeed, for each entity to be adapted, the ADTE must decide on the adequate adaptation operator that satisfies the user's preferences while maximizing his/her quality of experience. The first challenge to achieve in this is to objectively measure the quality of the adapted video, while considering the multiple aspects of the QoE. The second challenge is to assess beforehand this quality in order to choose the most appropriate adaptation plan among all possible ones. The third challenge is to resolve conflicting or overlapping semantic constraints, in particular conflicts arising from constraints expressed by owner's intellectual property rights (IPR) about the modification of the content. In this thesis, we tackled the aforementioned challenges by proposing a Utility Function (UF), which integrates semantic concerns with user's perceptual considerations. This UF models the relationships among adaptation operations, user preferences, and the quality of the video content. We integrated this UF into an ADTE. This ADTE performs a multi-level piecewise reasoning to choose the adaptation plan that maximizes the user-perceived quality. Furthermore, we included IPR in the adaptation process. Thereby, we modeled content owner constraints, and proposed a heuristic to resolve conflicting user and owner constraints. More, we developed SVCAT, which produces structural and high-level semantic annotation according to an original object-based video content model. We modeled as well the user's preferences proposing extensions to MPEG-7 and MPEG-21. All the developed contributions were carried out as part of a coherent framework called PIAF. We validated this research with qualitative and quantitative evaluations, which assess the performance and the efficiency of the proposed adaptation decision-taking engine within PIAF
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Damazo, Bradley N. "A compliance model of the roller contact interface for a friction drive used on ultra precision machine tools." Thesis, Cranfield University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.283256.
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Benraouda, Ahlem. "Résultats de convergence pour les inéquations variationnelles et applications en mécanique du contact." Thesis, Perpignan, 2018. http://www.theses.fr/2018PERP0009/document.
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Le sujet de cette thèse porte sur quelques résultats de convergence pour les inéquations variationnelles avec applications dans l'étude des problèmes aux limites décrivant le contact entre un corps déformable et une fondation. La thèse est composée de deux parties. Dans la première partie, nous nous intéressons à l'analyse des inéquations quasivariationnelles, avec ou sans opérateurs de mémoire, dans un espace de Hilbert. Nous prouvons plusieurs résultats de convergence liés à la perturbation de l'ensemble des contraintes ainsi qu'à une méthode de pénalisation. Aussi, pour une classe d'inéquations quasivariationnelles avec opérateurs de mémoire nous étudions une formulation duale pour laquelle nous présentons des résultats d'existence, d'unicité et d'équivalence. La deuxième partie est consacrée à l'application de ces résultats abstraits dans l'étude de six problèmes de contact pour des matériaux élastiques, viscoélastiques et viscoplastiques, dans le cas statique ou quasistatique. Les lois de contact considérées sont la loi de Signorini, la loi de contact avec compliance normale et contrainte unilatérale et la loi de contact avec contrainte unilatérale et seuil critique. Enfin, nous étudions un nombre de problèmes de contrôle optimal associés aux certains modèles de contact. Pour ces problèmes nous obtenons des résultats d'existence et de convergenceThe topic of this thesis concerns some convergence results for variational inequalities with applications in the study of boundary value problems which describe the contact between a deformable body and a foundation. The thesis is divided into two parts. In the first part, we are interested in the analysis of quasivariational inequalities, with or without history-dependent operators, in Hilbert spaces. We prove some convergence results related to a perturbation of the set of constraints and a penalty method, as well. Moreover, for a class of history-dependent quasivariational inequalities we study a dual formulation for which we present existence, uniqueness and equivalence results. The second part is devoted to applications of these abstract results in the study of six contact problems with elastic, viscoelastic and viscoplastic materials, both in the static or quasistatic case. The contact conditions we consider are the Signorini condition, the normal compliance condition with unilateral constraint, the unilateral constraint condition with yield limit. Finally, we study a number of optimal control problems associated to some contact models. For these problems we provide existence and convergence results
37
Callister, Graeme. "Compliance, compulsion and contest : aspects of military conscription in South Africa, 1952-1992." Thesis, Link to the online version, 2007. http://hdl.handle.net/10019/596.
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Fischer, Sabine [Verfasser], Meike [Akademischer Betreuer] [Gutachter] Wollni, Yasemin [Gutachter] Boztuğ, and Holger A. [Gutachter] Rau. "Contract Farming in Developing Countries - A Behavioral Perspective on Contract Choice and Compliance / Sabine Fischer ; Gutachter: Meike Wollni, Yasemin Boztug, Holger A. Rau ; Betreuer: Meike Wollni." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2017. http://d-nb.info/1143949196/34.
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Fischer, Sabine [Verfasser], Meike [Akademischer Betreuer] Wollni, Yasemin Gutachter] Boztuğ, and Holger A. [Gutachter] [Rau. "Contract Farming in Developing Countries - A Behavioral Perspective on Contract Choice and Compliance / Sabine Fischer ; Gutachter: Meike Wollni, Yasemin Boztug, Holger A. Rau ; Betreuer: Meike Wollni." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2017. http://nbn-resolving.de/urn:nbn:de:gbv:7-11858/00-1735-0000-0023-3F5B-E-1.
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Almeida, Bruno Vieira de. "A interação entre os contribuintes singulares e a administração fiscal." Master's thesis, Instituto Superior de Economia e Gestão, 2020. http://hdl.handle.net/10400.5/20703.
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Mestrado em Contabilidade, Fiscalidade e Finanças EmpresariaisA interação entre os contribuintes e a administração fiscal é um tema fulcral no estudo do cumprimento fiscal. Nesse âmbito, torna-se importante perceber quais as dimensões que determinam o grau de satisfação dos contribuintes nessa relação de interação. Este trabalho propõe-se a apresentar as dimensões determinantes na interação entre os contribuintes singulares residentes em Portugal e a administração fiscal portuguesa. Os dados foram obtidos mediante a aplicação de um questionário entre abril e julho de 2020, a contribuintes singulares residentes em Portugal, que tenham preenchido uma declaração de rendimentos. Foram criadas as dimensões e aplicados uma série de testes t e testes de Scheffé, por forma a investigar diferenças de médias estatisticamente significativas. A dimensão ?Simplicidade? foi aquela que apresentou um maior número de diferenças significativas, tendo em conta as variáveis de controlo: sexo, idade, educação superior (universitária), educação fiscal, conjugalidade, sentimento de pertença a uma religião, presença de um agente fiscal na submissão da declaração fiscal e grau de conforto com o rendimento. Já a variável de controlo que regista o maior número de diferenças em dimensões é o grau de conforto com o rendimento. Posteriormente, foi desenvolvido um modelo econométrico para o grau de satisfação dos contribuintes singulares residentes em Portugal relativamente à interação com a administração fiscal portuguesa. Destacaram-se quatro dimensões com significância estatística: o contacto, a confiança, o poder coercivo e a simplicidade. Apenas o poder coercivo apresentou um coeficiente negativo, impactando negativamente o grau de satisfação analisado.
The interaction between taxpayer and tax authorities is a crucial theme in the tax compliance study field. Because of that it is important to find out which dimensions determine the level of satisfaction precepted by taxpayers in that relationship. The main goal of this study is to present the determinants of taxpayer satisfaction when interacting with the tax authority. The data sets used were obtained from a survey applied between April and July of 2020 to individual taxpayers residing in Portugal and that had filled a tax file. After creating each dimension, several t tests and Scheffé tests were applied, to investigate for significant mean differences. Tax simplicity was the one with the most significant differences, taking into account several control variables: sex, age, superior education, tax education, conjugality, current feeling of belonging to a religion, fiscal agent presence when submitting the tax file and degree of comfort with the income. Out of these, the one that contributed the most to the difference of means was the degree of comfort with the income. Also, an econometric model was developed to assess the level of satisfaction of taxpayers residing in Portugal when interacting with the portuguese Tax Administration. Four dimensions had statistical significance: contact, trust, coercive power and simplicity. Only coercive power presented a negative value, meaning that it has a negative influence in the level of taxpayer satisfaction.
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Khumalo, Idah Deliwe. "Compliance with the Batho Pele principles in a primary health care context / Idah Deliwe Khumalo." Thesis, North-West University, 2010. http://hdl.handle.net/10394/4847.
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In this study the focus is on Batho Pele (a Sotho translation for 'people first'), an initiative to get people that work in the public services to be service orientated and to strive for excellence towards continuous service delivery improvement (SA, 2004a:8). Batho Pele consist of a framework with two primary functions that apply to this study; service delivery to people as the customers (patients in this study) and the possibility to hold individual public servants (health care personnel in this study) accountable for poor service delivery. This, in fact, implies that poor performance lead to poor service delivery; thus, compliance with the Batho Pele principles plays a pivotal role to improve quality health care service delivery.
The purpose of the study was to make recommendations to enhance the current compliance with the Batho Pele principles in a Primary Health Care (PHC) context that would positively improve quality care and patient satisfaction. A non–experimental, quantitative, descriptive study was undertaken within the philosophical framework of the Batho Pele principles as well as the Patients‘ Right Charter. All participants completed a structured questionnaire to determine the level of compliance with the Batho Pele principles as experienced by the patients and viewed by the health care personnel in a PHC context. The data collected, was analysed using descriptive statistics. Four PHC clinics were involved, situated at Umzinyathi District Health in the Kwazulu Natal (KZN) Province of South Africa. The study included two patient–population samples, based on convenience; the participants that visited the clinics (n=132) and the participants visited by the researcher at home (n=101). Fifty– six (n=56) health care personnel who voluntary agreed to participate in the study were an all–inclusive sample.
The findings revealed that the patients in the study felt more secure to answer the questions on their experiences regarding compliances with the Batho Pele principles at home and this could be an important consideration when conducting patient satisfaction surveys. It was also clear that patients were more dissatisfied than health care personnel in most questions asked regarding their experience on the compliance with the Batho Pele principles in a PHC context.
Recommendations were made in the light of what was contained in the study that can serve as a starting point to address identified shortcomings in nursing practice, nursing education and nursing research.Thesis (M.Cur.)--North-West University, Potchefstroom Campus, 2011.
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Duteil, Margaux. "Les contrats de vente d'équidés de sport et de courses." Thesis, Aix-Marseille, 2016. http://www.theses.fr/2016AIXM1045.
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À l’heure actuelle, les équidés font l’objet d’intérêts nombreux en tant que richesse patrimoniale. Ces attributs conférés par le droit de propriété permettent l’établissement de conventions de natures variées, comme la vente. L’intérêt est donc de révéler pourquoi l’établissement d’une vente (à l’essai, à l’amiable, aux enchères publiques ou privées, sur internet, judiciaires volontaires ou forcées, après saisie ou à réclamer) sur un équidé soulève tant de difficultés depuis quelques années. La vente de chevaux est soumise à l’interaction de plusieurs codes (Code civil, Code rural, Code de la consommation). Ces textes prévoient de nombreuses divergences avec un meuble inanimé. Parallèlement, la pratique a mis en place des techniques (comme la visite vétérinaire qui précède l’achat) permettant aux contractants de s’engager en connaissance de cause. Par ailleurs, l’application d’une garantie de deux ans (véritable frein à la vente de chevaux) prévue par le code de la consommation dans les ventes conclues entre un professionnel vendeur et un acquéreur amateur. Par conséquent, la multiplicité des qualifications juridiques, en général, et la soumission à des garanties inadaptées, en particulier, incitent le vendeur professionnel à s’évincer des conventions. Désormais, le meilleur gage de protection consisterait à rédiger très précisément le contratAt present, horses are the subject of many interests as heritage wealth. These attributes conferred by the right of ownership allow the establishment of conventions of various natures, such as sale. The interest is therefore to reveal why the establishment of a sale (trial, amicable, public or private auctions, on the internet, voluntary or forced judicial, after seizure or to claim) on an equine raises so many difficulties in recent years. The sale of horses is subject to the interaction of several codes (civil code, rural code, consumer code). These texts foresee many divergences with an inanimate piece of furniture. At the same time, the practice has put in place techniques (such as the veterinary visit that precedes the purchase) enabling contractors to make an informed commitment. Moreover, the application of a two-year guarantee (a true brake on the sale of horses) provided for by the consumer code in sales between a sales professional and an amateur purchaser. Consequently, the multiplicity of legal qualifications, in general, and the submission to inadequate guarantees, in particular, incite the professional seller to vindicate conventions. From now on, the best guarantee of protection would be to write the contract very precisely
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Alnsour, Jamal Ahmad Mohammad. "Planning and managing the built environment in the context of compliance with residential standards in Jordan." Thesis, University of Huddersfield, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.431526.
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Galon, Patricia Ann. "COMPARISON OF HEALTH CARE CONTEXT, COERCION, AND COMPLIANCE IN PERSONS WITH SEVERE AND PERSISTENT MENTAL ILLNESS." University of Akron / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=akron1144851107.
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Klaser, Klaudijo. "Three Economic Extensions of John Rawls's Social Contract Theory: European Fiscal Union, Tax Compliance and Climate Change." Doctoral thesis, Università degli studi di Trento, 2019. http://hdl.handle.net/11572/291026.
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In my thesis I apply the ethical model developed by John Rawls (1999) to three systems which have an economic dimension: European Union, tax compliance and environmental sustainability.
With this task my purpose is to answer to the following overarching research question: is an impartial and non-binding agreement, conceived in a Rawlsian frame, sufficient to generate fair and stable redistributive institutions? This broad research question is then addressed and inflected according to the specific economic domains considered through the next Chapters.
Given the diversification of the analysed topics, also the adopted research methodology turns out to be differentiated. The European distributive institutions are examined in depth by means of a theoretical-deductive approach which catches on Rawls’s international social contract theory, while the distributive issues linked to tax evasion and environmental sustainability are approached with tools
elonging to behavioural and experimental economics.
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EL-Khoury, Vanessa [Verfasser], and Harald [Akademischer Betreuer] Kosch. "Semantic Protection and Personalization of Video Content. PIAF: MPEG Compliant Adaptation Framework Preserving the User Perceived Quality / Vanessa EL-Khoury. Betreuer: Harald Kosch." Passau : Universitätsbibliothek der Universität Passau, 2014. http://d-nb.info/1058750011/34.
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Lin, Chao Victor. "Speech acts in context : Chinese university students' use of apology and compliment strategies in English and Chinese." HKBU Institutional Repository, 2012. http://repository.hkbu.edu.hk/etd_ra/1333.
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Brazzini, Giovanna. "Compliance with EU Law: Why Do Some Member States Infringe EU Law More Than Others?" ScholarWorks@UNO, 2005. http://scholarworks.uno.edu/td/216.
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Why do some member states infringe EU law more than others? Based on the quantitative and qualitative analysis reported here, is not because of administrative capacity limitations, but because of political context, policy changes and deliberate opposition by member governments in order to maintain their independence. States in turn, are motivated by domestic politics to seek to avoid implementing EU law. Additionally, I find that richer countries violate the law more often than poorer countries. Further, member states infringe more than others because of a high number of institutional and coalitional veto players. These results suggest that member states are in the EU because the EU serves their national interest over collective ones. Finally, these results suggest new hypothesis. Member states that have a high level of public discontent with the EU are unlikely to tolerate the political costs of implementing EU legislation.
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Moll, Heinz Josef. "Einfache qualitative Bestimmung von Arzneimittelwirkstoffen und/oder deren Metaboliten im Urin : eine mögliche Methode für die Prüfung der Compliance /." [S.l : s.n.], 1988. http://www.ub.unibe.ch/content/bibliotheken_sammlungen/sondersammlungen/dissen_bestellformular/index_ger.html.
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Fakhoury, Evan. "Determining the contribution of visual and haptic cues during compliance discrimination in the context of minimally invasive surgery." Thesis, University of Leeds, 2015. http://etheses.whiterose.ac.uk/12557/.
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While minimally invasive surgery is replacing open surgery in an increasing number of surgical procedures, it still poses risks such as unintended tissue damage due to reduced visual and haptic feedback. Surgeons assess tissue health by analysing mechanical properties such as compliance. The literature shows that while both types of feedback contribute to the final percept, visual information is dominant during compliance discrimination tasks. The magnitude of that contribution, however, was never quantitatively determined. To determine the effect of the type of visual feedback on compliance discrimination, a psychophysical experiment was set up using different combinations of direct and indirect visual and haptic cues. Results reiterated the significance of visual information and suggested a visio-haptic cross-modal integration. Consequently, to determine which cues contributed most to visual feedback, the impact of force and position on the ability to discriminate compliance using visual information only was assessed. Results showed that isolating force and position cues during indentation enhanced performance. Furthermore, under force and position constraints, visual information was shown to be sufficient to determine the compliance of deformable objects. A pseudo-haptic feedback system was developed to quantitatively determine the contribution of visual feedback during compliance discrimination. A psychophysical experiment showed that the system realistically simulated viscoelastic behaviour of compliant objects. Through a magnitude estimation experiment, the pseudo-haptic system was shown to be successful at generating haptic sensations of compliance during stimuli indentation only by modifying the visual feedback presented to participants. This can be implemented in research and educational facilities where advanced force feedback devices are inaccessible. Moreover, it can be incorporated into virtual reality simulators to enhance force ranges. Future work will assess the value of visual cue augmentation in more complicated surgical tasks.