Relevant bibliographies by topics / Compliant link

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Compliant link'

Author: Grafiati
Published: 4 June 2021
Last updated: 3 February 2022

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Journal articles on the topic "Compliant link"

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Saggere, L., and S. Kota. "Synthesis of Planar, Compliant Four-Bar Mechanisms for Compliant-Segment Motion Generation." Journal of Mechanical Design 123, no. 4 (1999): 535–41. http://dx.doi.org/10.1115/1.1416149.

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Compliant four-bar mechanisms treated in previous works consisted of at least one rigid moving link, and such mechanisms synthesized for motion generation tasks have always comprised a rigid coupler link, bearing with the conventional definition of motion generation for rigid-link mechanisms. This paper introduces a new task called compliant-segment motion generation where the coupler is a flexible segment and requires a prescribed shape change along with a rigid-body motion. The paper presents a systematic procedure for synthesis of single-loop compliant mechanisms with no moving rigid-links for compliant-segment motion generation task. Such compliant mechanisms have potential applications in adaptive structures. The synthesis method presented involves an atypical inverse elastica problem that is not reported in the literature. This inverse problem is solved by extending the loop-closure equation used in the synthesis of rigid-links to the flexible segments, and then combining it with elastic equilibrium equation in an optimization scheme. The method is illustrated by a numerical example.
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Choi, S.-B. "Compliant Motion Control of a Three-Link Manipulator with Link Flexibility and Joint Constraints." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 219, no. 11 (2005): 1207–17. http://dx.doi.org/10.1243/095440605x32057.

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This article presents a new approach employing constraint Hamiltonian system for the compliant motion control of a three-link manipulator with link flexibility and joint constraints. Two non-linear controllers consisting of force part and position part are first derived from constraint Hamiltonian system obtained by the Lagrange and Hamiltonian methods. The linear feedback controllers that satisfy the Lyapunov stability of the total constraint Hamiltonian system are then designed. Consequently, the compliant motion control system consisting of the sum of two non-linear controllers and corresponding linear feedback controllers is formulated. The compliant motion control strategy is accomplished by steering the end effector of the manipulator onto the constraint surface with the linear controllers, and subsequently, by executing a prescribed desirable motion with the non-linear controllers. Computer simulations are undertaken in order to demonstrate the effectiveness of the proposed control methodology.
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Liu, Qing Ling. "Performance Analysis and Improved Design on the Compliant Micro-Displacement Amplification Mechanism." Applied Mechanics and Materials 346 (August 2013): 83–88. http://dx.doi.org/10.4028/www.scientific.net/amm.346.83.

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By analysing the structural characteristics of the compliant micro-displacement amplification mechanism and the examples of the compliant micro-displacement amplification mechanisms with different link length and link angel, the combined compliant structure formed with flexure hinges and link is important component, the length and the angel of the link affect the thickness ratio and length ratio of the combined compliant structure, which plays a key role in amplification of the mechanism. The design method is proposed aiming at improving the amplification, which is used in the improved design of the compliant micro-displacement amplification mechanism. The amplification analysis of the improved mechanism is done, which proves the validity and rationality of the improved design .
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Wang, Wen Jing, Shu Sheng Bi, and Li Ge Zhang. "Dynamic Modeling of Compliant Mechanisms Based on 2R Pseudo-Rigid-Body Model." Applied Mechanics and Materials 163 (April 2012): 277–80. http://dx.doi.org/10.4028/www.scientific.net/amm.163.277.

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Compliant mechanism is a kind of new type mechanism and its analysis is very complex because flexible links often under large deflections which introduce geometry nonlinearities. A new model (2R PRBM) can simulate accurately both the deflection path and angle of the flexible link. A new dynamic model of compliant mechanism is developed using the 2R PRBM. The dynamic equation of planar compliant mechanism is derived. The dynamic analysis on the natural frequency of compliant mechanism is obtained in the example of a planar compliant parallel-guiding mechanism. The numerical results show the advantage of the proposed method for the dynamic analysis of compliant mechanisms.
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She, Yu, Siyang Song, Hai-jun Su, and Junmin Wang. "A Parametric Study of Compliant Link Design for Safe Physical Human–Robot Interaction." Robotica 39, no. 10 (2021): 1739–59. http://dx.doi.org/10.1017/s0263574720001472.

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SUMMARYRobots of next-generation physically interact with the world rather than be caged in a controlled area, and they need to make contact with the open-ended environment to perform their task. Compliant robot links offer intrinsic mechanical compliance for addressing the safety issue for physical human–robot interactions (pHRI). However, many important research questions are yet to be answered. For instance, how do system parameters, for example, mechanical compliance, motor torque, impact velocities, and so on, affect the impact force? how to formulate system impact dynamics of compliant robots, and how to size their geometric dimensions to maximize impact force reduction. In this paper, we present a parametric study of compliant link (CL) design for safe pHRI. We first present a theoretical model of the pHRI system that is comprised of robot dynamics, an impact contact model, and dummy head dynamics. After experimentally validating the theoretical model, we then systematically study the effects of CL parameters on the impact force in more detail. Specifically, we explore how the design and actuation parameters affect the impact force of pHRI system. Based on the parametric studies of the CL design, we propose a step-by-step process and a list of concrete guidelines for designing CL with safety constraints in pHRI. We further conduct a simulation case study to validate this design process and design guidelines.
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Morrison, Tyler, and Hai-Jun Su. "Stiffness modeling of a variable stiffness compliant link." Mechanism and Machine Theory 153 (November 2020): 104021. http://dx.doi.org/10.1016/j.mechmachtheory.2020.104021.

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Fowler, R. M., L. L. Howell, and S. P. Magleby. "Compliant space mechanisms: a new frontier for compliant mechanisms." Mechanical Sciences 2, no. 2 (2011): 205–15. http://dx.doi.org/10.5194/ms-2-205-2011.

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Abstract. Compliant mechanisms offer distinct advantages for use in space that can address many of the issues encountered with current rigid-link space mechanisms. Compliant space mechanisms are defined as moveable mechanical assemblies that achieve their desired motion, force, or displacement by means of the deflection of flexible members and can perform a necessary function in the environments of launch and space. Many current space mechanisms are already highly optimized, yet they still experience inherent challenges, and it is unclear if significant improvements in performance can be made by continuing to refine current designs. Compliant space mechanisms offer a promising opportunity to change the fundamental approach to achieving controlled motion in space systems and have potential for dramatic increases in mechanism performance given the constraints of the space environment. This paper proposes the merger of the fields of compliant mechanisms and space mechanisms as a future direction of research in compliant mechanisms, discusses in detail the motivation to do so, and addresses the key factors of applying compliant mechanism technology to space mechanisms.
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Pavlović, Nenad T., and Nenad D. Pavlović. "Compliant mechanism design for realizing of axial link translation." Mechanism and Machine Theory 44, no. 5 (2009): 1082–91. http://dx.doi.org/10.1016/j.mechmachtheory.2008.05.005.

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Choi, K.-B., and C. S. Han. "Optimal design of a compliant mechanism with circular notch flexure hinges." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 221, no. 3 (2007): 385–92. http://dx.doi.org/10.1243/0954406jmes312.

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This paper presents an optimal design of a compliant mechanism with circular notch flexure hinges as well as a performance evaluation of a two-axes ultra-precision stage using the compliant mechanism. The compliant mechanism consists of two double-symmetric four-link mechanisms for two translational motions. As the circular notch flexure hinge can produce rotation as well as axial translation via its deformation, the double symmetric four-link mechanism can translate along one direction in a small range. In the optimal design, a composite global design index based on Min-Max principle is applied for the design of the compliant mechanism with circular notch flexure hinges owing to its simplicity and compactness. The designed compliant mechanism, piezoelectric elements for actuation, and capacitance-type displacement sensors for position measurement are assembled into an ultra-precision stage. The experimental results show that the stage implemented by the compliant mechanism will be applicable to two-axes ultra-precision positioning systems such as the fine positioning table of coarse-fine positioning systems, ultra-precision machining centres, wafer stages, and scanners for atomic force microscopy (AFM).
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Jensen, B. D., L. L. Howell, and L. G. Salmon. "Design of Two-Link, In-Plane, Bistable Compliant Micro-Mechanisms." Journal of Mechanical Design 121, no. 3 (1999): 416–23. http://dx.doi.org/10.1115/1.2829477.

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A bistable mechanism has two stable states within its range of motion. Its advantages include the ability to stay in two positions without power input and despite small external disturbances. Therefore, bistable micro-mechanisms could allow the creation of MEMS with improved energy efficiency and positioning accuracy. This paper presents bistable micro-mechanisms which function within the plane of fabrication. These bistable mechanisms, called “Young” bistable mechanisms, obtain their energy storage characteristics from the deflection of two compliant members. They have two pin joints connected to the substrate, and can be constructed of two layers of polysilicon. The pseudo-rigid-body model is used to analyze and design these mechanisms. This approach allows greater freedom and flexibility in the design process. The mechanisms were fabricated and tested to demonstrate their bistable behavior and to determine the repeatability of their stable positions.
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Dissertations / Theses on the topic "Compliant link"

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Raghavendra, Souharda. "Compliant multi-link vehicle suspensions." Connect to this title online, 2008. http://etd.lib.clemson.edu/documents/1219852205/.

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Subasi, Levent. "Synthesis Of Compliant Bistable Four-link Mechanisms For Two Positions." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12606736/index.pdf.

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The aim of this study is to present a design approach for compliant bistable four-link mechanisms. The design constraints are the two positions of the mechanism, the force required to snap between the positions and the fatigue life of the designed mechanism. The theory presented here will be applied to the door lock mechanism used in commercial dishwashers, which is originally designed as a rigid inverted slider crank mechanism snapping between two positions with the force applied by a spring. The mechanism is re-designed as a compliant bistable four-link mechanism and a prototype has been manufactured.
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She, Yu. "Compliant robotic arms for inherently safe physical human-robot interaction." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1541335591178684.

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Bontemps, Alexandre. "Prototypage d'un objet volant mimant l'insecte." Thesis, Valenciennes, 2013. http://www.theses.fr/2013VALE0030/document.

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Ce travail de thèse s'inscrit dans le contexte des drones vise à réaliser à terme un Nano-dispositif volant (Nano Aerial Vehicle) capable d'imiter le vol des insectes. Ce mode de locomotion est privilégié car il présente des caractéristiques très adaptées au vol en milieu confiné. La solution proposée consiste à développer un drone de la taille d'un insecte s'appuyant sur des ailes vibrantes pour se mouvoir et à utiliser les technologies MEMS pour répondre aux problématiques de fabrication et de réduction d'échelle. La réussite d'un tel projet soulève néanmoins de nombreux défis scientifiques et technologiques, en particulier, les aspects aéro-élastiques des ailes et l'autonomie du drone. Pour répondre à ces défis, nous proposons dans un premier temps de mettre en œuvre des concepts comme la résonance et la torsion passive sur des prototypes en polymère (SU-8) réalisés par photolithographie. Dans un second temps, les différents composants de la chaîne de puissance sont optimisés, notamment l'actionneur électromagnétique, la liaison et les ailes de manière à maximiser la force de portance générée. Suite à ces améliorations, nous démontrons de façon expérimentale que le prototype était capable non seulement de reproduire une cinématique complexe mais également de compenser 75% de son poids<br>This manuscript reports a work which aims to develop a tiny flying robots inspired by natural flyers. Our main objective is to devise a flying robot mimicking insects in terms of kinematics and scale using MEMS technologies in order to answer the scale challenges: the large-scale manufacturing and the system's small scale. The success this project faces different challenges such as aeroelastic aspects of wings and drone autonomy.In this work we propose the use of original concepts like resonance and passive torsion of the wings which are implemented on all-polymer prototypes obtained using a micromachining SU-8 photoresist process. In order to achieve a better efficiency of the prototype, each element of the energy transduction has been carefully examined and optimized. Especially, the actuation, the transmission and the wings in order to increase the lift. These improvements demonstrate experimentally that the prototype is able to produce a complex kinematic and compensate 75 % of its weight
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Hawks, Jeffrey C. "A Variable-Stiffness Compliant Mechanism for Stiffness-Controlled Haptic Interfaces." BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/4356.

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In this research a variable-stiffness compliant mechanism was developed to generate variable force-displacement profiles at the mechanisms coupler point. The mechanism is based on a compliant Roberts straight-line mechanism, and the stiffness is varied by changing the effective length of the compliant links with an actuated slider. The variable-stiffness mechanism was used in a one-degree-of-freedom haptic interface to demonstrate the effectiveness of varying the stiffness of a compliant mechanism. Unlike traditional haptic interfaces, in which the force is controlled using motors and rigid links, the haptic interface developed in this work displays haptic stiffness via the variable-stiffness compliant mechanism. The force-deflection behavior of the mechanismwas analyzed using the Pseudo-Rigid Body Model (PRBM), and two key parameters, KQ and g,were optimized using finite element analysis (FEA) to match the model with the behavior of the device. One of the key features of the mechanism is that the inherent return-to-zero behavior of the compliant mechanism was used to provide the stiffness feedback felt by the user. A prototype haptic interface was developed capable of simulating the force-displacement profile of Lachmans Test performed on an injured ACL knee. The compliant haptic interface was capable of displaying stiffnesses between 4200 N/m and 7200 N/m.
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Lakkoju, Venkata Naga Malleswararao. "In-line loading and response of a compliant cylinder in oscillatory and steady flow at critical Reynolds numbers." Thesis, City University London, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.238862.

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Ly, Linh Thao [Verfasser]. "SeaFlows - a compliance checking framework for supporting the process lifecycle / Linh Thao Ly." Ulm : Universität Ulm. Fakultät für Ingenieurwissenschaften und Informatik, 2013. http://d-nb.info/1041284705/34.

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Nyaude, Ashley Batsirai. "The compliance duties of commercial banks with regard to on-line money laundering." Diss., University of Pretoria, 2015. http://hdl.handle.net/2263/53175.

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Money laundering is defined as the manipulation of illegally acquired wealth in order to obscure its true source or nature. This is achieved by performing a series of transactions that, if successful, will leave the illegally obtained proceeds appearing as a product of legitimate transactions or investments. The expansion of the internet has made it possible to transfer money almost immediately through cyberspace. The internet is ideal for money launderers because of the speed of transacting, easy access, anonymity of the parties and the capacity to transverse countries within milliseconds. On national and international level commercial crime poses significant threat to the stability of financial systems and democratic institutions. Various bodies have joined forces to fight against the crime of money laundering. These bodies include the United Nations, the Financial Action Task Force and the Basel Committee on Banking Supervision. The Financial Intelligence Centre Act 38 of 2001 stipulates certain obligations that banks have to comply with to combat money laundering. In April 2014 South Africa s Reserve Bank (SARB) fined the country s big four banks a total of R125 million for failing to have appropriate measures in place to ensure compliance with the provisions of FICA. More recently in February 2015 SARB collectively fined Deutsche Bank and Capitec Bank a total of R15 million for breaching FICA. This dissertation aims to discuss the duties imposed by FICA on South African banks to combat money laundering and to identify the possible problems that may be hindering banks from effectively complying with their duties. Recommendations will be made on how FICA can be amended to prevent non-compliance with these provisions in the future.<br>Mini Dissertation (LLM)--University of Pretoria, 2015.<br>Mercantile Law<br>LLM<br>Unrestricted
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Clark, Olga L. "COMPLIANCE WITH SAFETY PRACTICES AMONG NURSES: EXPLORING THE LINK BETWEEN ORGANIZATIONAL SAFETY CLIMATE, ROLE DEFINITIONS, AND SAFE WORK PRACTICES." Connect to this title online, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=bgsu1143231038.

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Liu, Lin [Verfasser], Steffen [Akademischer Betreuer] Leonhardt, Kay [Akademischer Betreuer] Hameyer, and Heike [Akademischer Betreuer] Vallery. "Compliant control of variable stiffness actuator considering lower-limb robot applications / Lin Liu ; Steffen Leonhardt, Kay Hameyer, Heike Vallery." Aachen : Universitätsbibliothek der RWTH Aachen, 2019. http://d-nb.info/1216040958/34.

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Books on the topic "Compliant link"

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Vincent, Karen. Is there a link between patient perception and patient compliance in injured sports patients? Nene College, 1993.

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Profitable Sarbanes-Oxley compliance: Attain improved shareholder value and bottom-line results. J. Ross Pub., 2005.

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Sandvig, Anne. Contribution of service line and plumbing fixtures to lead and copper rule compliance issues. Awwa Research Foundation, 2008.

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LLP, Price Waterhouse. The Price Waterhouse Compliance Link (Banking/Price Waterhouse Compliance Series). Richard D Irwin, 1996.

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PricewaterhouseCoopers LLP. Compliance Link: Cross-Index, 1998-199 (The Pricewaterhousecoopers Regulatory Handbook Series). M.E. Sharpe, 1998.

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Great Britain. Medical Devices Directorate., ed. The Installation and compliance testing of a fibre-optic communications link. Department of Health, Medical Devices Directorate, 1994.

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Jeffrey, Andrew. Psychology in respiratory disease, including dysfunctional breathing. Edited by Patrick Davey and David Sprigings. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199568741.003.0145.

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The real burden to any sufferer of respiratory disease is shown in the human suffering of the individual. It is increasingly understood that there is a link between the psychological aspects of respiratory disease and morbidity and that patients’ attitudes to illness can affect their ways of coping and, indeed, impact upon their compliance with treatment. Breathlessness is a symptom of many psychological states, both positive and negative; indeed, it is embedded within the English language: ‘It took my breath away! I was breathless with anticipation!’ An understanding of the links between psychological factors and physical symptoms and behaviours is essential to achieve the best possible outcomes for many patients.
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Pricewaterhousecoopers. Compliance Link 2001-2002: The Pricewaterhousecoopers Regulatory Handbook Series : Cross-Index (Pricewaterhousecoopers Regulatory Handbooks). M.E. Sharpe, 2001.

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Triple Bottom-Line Compliance: How To Deliver Protection, Productivity, and Impact. Advantage Media Group, 2018.

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Northrup, C. Lynn. Profitable Sarbanes-oxley Compliance: Attain Improved Shareholder Value and Bottom-line Results. J. Ross Publishing, 2006.

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Book chapters on the topic "Compliant link"

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Favi, Claudio, Marco Mandolini, Federico Campi, Paolo Cicconi, Roberto Raffaeli, and Michele Germani. "Design for Manufacturing and Assembly: A Method for Rules Classification." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-70566-4_56.

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AbstractThe paper provides a method to acquire, process, and represent DfMA rules to help designers and engineers in the development of mechanical products compliant with manufacturing and assembly technology. This research work wants to define a general method able to link DfMA design guidelines (knowledge engineering) with geometrical product features that are available by the investigation of the 3D model. Numerical parameters of design features are related to design guidelines for the identification of manufacturing and assembly issues within the analysis of the 3D model.
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Nisbet, N. "Using uncertainty to link compliance and creativity." In ECPPM 2021 – eWork and eBusiness in Architecture, Engineering and Construction. CRC Press, 2021. http://dx.doi.org/10.1201/9781003191476-4.

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Mannam, Pragna, Oliver Kroemer, and F. Zeynep Temel. "Characterization of Compliant Parallelogram Links for 3D-Printed Delta Manipulators." In Experimental Robotics. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71151-1_7.

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Ugwudike, Pamela. "Compliance with Community Orders: Front-line Perspectives and Evidence-Based Practices." In What Works in Offender Compliance. Palgrave Macmillan UK, 2013. http://dx.doi.org/10.1057/9781137019523_10.

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Henning, Stefan, Sebastian Linß, Thomas Vollrath, and Lena Zentner. "Elasto-Kinematic Modeling of Planar Flexure Hinge-Based Compliant Mechanisms Incorporating Branched Links." In Advances in Mechanism and Machine Science. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20131-9_158.

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Hricko, Jaroslav, and Stefan Havlik. "Design of the 2 D.o.F Compliant Positioning Device Based on the Straight-Line Watt’s Mechanisms." In Mechanism Design for Robotics. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75271-2_26.

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Lee, Jack T., and Rajani Naidoo. "Complicit Reproductions in the Global South: Courting World Class Universities and Global Rankings." In Evaluating Education: Normative Systems and Institutional Practices. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7598-3_6.

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AbstractThe proliferation of global rankings has led to vigorous debates about the dominance of world-class universities and the encroaching institutional isomorphism in higher education. Specifically, the narrow metrics of rankings celebrate STEM research and institutional reputation at the expense of the humanist roots of higher education: teaching, self-cultivation, and community engagement. This critique on global rankings faces an equally vocal demand that a country must develop world-class universities in order to remain economically competitive in the global era – an instrumental logic that attracts devotees in both advanced economies as well as developing economies. Ironically, policymakers in both contexts simultaneously lament the prevalence of rankings and calibrate strategies to promote success in league tables. Although rankings attract scrutiny in both higher education policymaking and research, the implications of these metrics on higher education in the Global South receive little attention. The discourse is largely focused on top and mid ranking institutions, which are often located in the Global North. In the Global South, global rankings and the concept of world-class universities act through subtle yet powerful mechanisms to shape the contours of higher education. For many institutions and states in the Global South, the fervour is less about creating a world-class university and more about establishing links with well ranked universities (domestically and internationally). Therefore, while the explicit goal is not to build a world-class university, policymakers are nevertheless complicit in reproducing the hegemony of global rankings. This chapter will examine the activities in which global rankings exert tremendous pressure on the Global South: curriculum development, student mobility, faculty recruitment, research partnerships, and strategic planning. In mapping out the mechanisms of reproduction, the goal is to highlight the pervasive influence of global rankings and the complicity in reproduction rather than paint a binary division between the global and local dimensions of higher education.
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Ismonov, S., and S. R. Daniewicz. "Study of an On-Line Crack Compliance Technique for Residual Stress Measurement Using 2D Finite Element Simulations of Fatigue Crack Growth." In Fatigue and Fracture Mechanics: 38th Volume. ASTM International, 2012. http://dx.doi.org/10.1520/stp49545t.

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Ismonov, S., and S. R. Daniewicz. "Study of an On-Line Crack Compliance Technique for Residual Stress Measurement Using 2D Finite Element Simulations of Fatigue Crack Growth." In Fatigue and Fracture Mechanics: 38th Volume. ASTM International, 2012. http://dx.doi.org/10.1520/stp154620120007.

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Hashimoto, M., and Y. Imamura. "Design and simulation of a parallel link compliant wrist." In Robotics, Mechatronics and Manufacturing Systems. Elsevier, 1993. http://dx.doi.org/10.1016/b978-0-444-89700-8.50011-7.

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Conference papers on the topic "Compliant link"

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Ziegert, John C., Beshah Ayalew, Vincent Lee, Souharda Raghavendra, and Andreas Obieglo. "Compliant Link Suspension." In SAE World Congress & Exhibition. SAE International, 2009. http://dx.doi.org/10.4271/2009-01-0225.

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Nielson, Andrew J., and Larry L. Howell. "Compliant Pantographs via the Pseudo-Rigid-Body Model." In ASME 1998 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/detc98/mech-5930.

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Abstract This paper uses a familiar classical mechanism, the pantograph, to demonstrate the utility of the pseudo-rigid-body model in the design of compliant mechanisms to replace rigid-link mechanisms, and to illustrate the advantages and limitations of the resulting compliant mechanisms. To demonstrate the increase in design flexibility, three different compliant mechanism configurations were developed for a single corresponding rigid-link mechanism. The rigid-link pantograph consisted of six links and seven joints, while the corresponding compliant mechanisms had no more than two links and three joints (a reduction of at least four links and four joints). A fourth compliant pantograph, corresponding to a rhomboid pantograph, was also designed and tested. The test results showed that the pseudo-rigid-body model predictions were accurate over a large range, and the mechanisms had displacement characteristics of rigid-link mechanisms in that range. The limitations of the compliant mechanisms included reduced range compared to their rigid-link counterparts. Also, the force-deflection characteristics were predicted by the pseudo-rigid-body model, but they did not resemble those for a rigid-link pantograph because of the energy storage in the flexible segments.
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Zhiwei Zhang, Alberto Rodriguez, and Matthew T. Mason. "A novel nonlinear compliant link on simple grippers." In 2015 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS). IEEE, 2015. http://dx.doi.org/10.1109/iros.2015.7353780.

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Smaili, Ahmad, and Mazen Hassanieh. "A Flexible-Link Model for Compliant Member Synthesis." In ASME 2006 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/detc2006-99715.

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A new approach for the synthesis of a compliant link experiencing nonlinear deformations is herein introduced. The model is being proposed as an alternative to the pseudo-rigid-body model widely used in compliant mechanisms synthesis. The proposed approach is based on the exact elliptic integral equations that govern beam deformations. The model entails the determination of a few parameters in an optimum sense that would move the endpoint of the beam through several desired positions with minimal error. A tabu-gradient optimization algorithm is employed to search the design space for an optimum solution that minimizes the square of the error between the desired and the generated endpoint positions while satisfying a set of relevant constraints. Attributes of the model are highlighted by way of several examples. A brief outline on how the proposed model is used as the basis for compliant mechanism synthesis is presented and demonstrated by way of two examples.
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Saggere, Laxminarayana, and Sridhar Kota. "Synthesis of Distributed Compliant Mechanisms for Adaptive Structures Application: An Elasto-Kinematic Approach." In ASME 1997 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/detc97/dac-3861.

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Abstract Compliant mechanisms are a class of mechanisms that achieve desired force and motion transmission tasks by undergoing elastic deformations as opposed to rigid-body displacements in the conventional rigid-link mechanisms. Most of the previously reported synthesis studies in compliant mechanisms related to either partially-compliant mechanisms or fully-compliant mechanisms with joint compliance. Methods developed for fully-compliant mechanisms with link compliance addressed the issue of topology generation for desired deflections at discrete points on the mechanism. This paper presents a new, first-principles based synthesis procedure for fully-compliant mechanisms with link compliance — that is, distributed-compliant mechanisms — for continuous shape change requirements in a particular segment of a mechanism. The general approach presented in this paper for the synthesis of distributed compliant mechanisms is shown to be well suited for application in the design of adaptive structures, an emerging class of high-performance structural systems. The current trend in the design of adaptive structures is to embed structures with force or strain inducing “smart” materials to serve as distributed actuators. Potential advantages of using the distributed compliance scheme over the distributed actuation scheme in the design of adaptive structures include a significant reduction in the number of required actuators and controls.
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Tekes, Ayse, and Hongkuan Lin. "Compliant Translational Double Exact Dwell Mechanism." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-86073.

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Linkage or cam follower types of mechanisms are designed to create dwell motion when the interest of point on the mechanism is expected to stay at rest while the input is constantly supplied to the driven link. Generally, six bar linkages consisting of a four bar crank rocker mechanism actuating a slider crank are considered for linkage type mechanisms. A novel compliant translational double exact dwell mechanism incorporating the buckling motion of an initially straight flexible member as its members is introduced in this paper. Buckling members are designed to create dwell motion as a compliant mechanism that is easy to manufacture and require minimum number of components and assembly. This partially compliant five bar mechanism consists of two rigid links as the crank and the slider, and two flexible links as the coupler and the last link. Kinematic analysis of the mechanism is broken into two parts. The first one is a flexible pinned-pinned beam attached to a slider and the second one is the pinned-pinned flexible beam which is attached to a rotating crank. Large deflection analysis of pinned-pinned buckling beam is obtained by solving first and second kind of elliptic integrals in Matlab. Load required to displace the slider and the maximum bending moment restored on the pinned-pinned beam are analyzed by changing the normalized offset from 0 to 1. A mechanism is said to be linear if the slope of the load-deflection curve remains positive during deformation. Slope of the normalized load deflection curves at various offsets are explored and design limitations providing a stable buckling behavior is discussed. Pinned-pinned buckling beams are represented by springs possessing the same load-deflection characteristics as the compliant beams where the nonlinear spring function is described by a 4th order polynomials fitted to the load-deflection curves both for the beam attached to the slider and the beam attached to the driven crank. The emphasis is placed on the dynamic response of the double exact dwell motion profile. Simulation results are studied using Solidworks model, and Matlab. Slider stays at rest until the maximum bending moment of the coupler flexible link is achieved creating the dwell, snaps to its maximum position and on the return creates a momentary dwell since the flexible follower behaves like a rigid link. Desired dwell motion can be accomplished by changing the flexible beam parameters such as its length, thickness and offset ratio.
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Holgate, Matthew, and Thomas G. Sugar. "Active Compliant Parallel Mechanisms." In ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-35668.

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In a novel compliant parallel mechanism, a motor and spring are arranged in a parallel fashion and are connected to a movable lever arm. The motor pushes and pulls on one attachment point and the spring stores and releases energy at a second attachment point. In a non-obvious choice, we do not attach the output link to the commonly thought of end-effector, but to the third link in the planar, parallel mechanism. The new mechanism allows the transmission ratio of the motor to be a function of the output angle and the force applied at the spring. For example, if there are no loads on the spring, the overall gear ratio is lowered, and the output speed can be increased. Conversely, if there are loads on the spring, the overall gear ratio is increased, and the output torque can be increased.
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Jensen, Brian D., Larry L. Howell, and Linton G. Salmon. "Introduction of Two-Link, In-Plane, Bistable Compliant MEMS." In ASME 1998 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/detc98/mech-5837.

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Abstract A bistable mechanism has two stable states within its range of motion. Its advantages include the ability to stay in two positions without power input and despite small external disturbances. Therefore, bistable micro-mechanisms could allow the creation of MEMS with improved energy efficiency and positioning accuracy. This paper presents the first bistable MEMS which function within the plane of fabrication. These bistable mechanisms, known as “Young” bistable mechanisms, obtain their energy storage characteristics from the deflection of two compliant members, have two pin joints connected to the substrate, and can be constructed of two layers of polysilicon. The pseudo-rigid-body model overcomes problems with nonlinearities in the analysis and design of these mechanisms. This approach allows greater freedom and flexibility in the design process. Testing of the mechanisms demonstrated their bistable behavior and the repeatability of the stable positions.
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Jovanova, Jovana, and Mary Frecker. "Two Stage Design of Compliant Mechanisms With Superelastic Compliant Joints." In ASME 2017 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/smasis2017-3825.

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The design of compliant mechanisms made of Nickel Titanium (NiTi) Shape Memory Alloys (SMAs) is considered to exploit the superelastic behavior of the material to achieve tailored high flexibility on demand. This paper focuses on two-stage design optimization of compliant mechanisms, as a systematic method for design of the composition of the functionally graded NiTi material within the compliant mechanism devices. The location, as well as geometric and mechanical properties, of zones of high and low flexibility will be selected to maximize mechanical performance. The proposed two-stage optimization procedure combines the optimization of an analytical model of a single-piece functionally graded unit, with a detailed FEA of a continuous compliant mechanism. In the first stage, a rigid-link model is developed to initially approximate the behavior of the compliant mechanism. In the second stage the solution of the rigid-link problem serves as the starting point for a continuous analytical model where the mechanism consists of zones with different material properties and geometry, followed by a detailed FEA of a compliant mechanism with integrated zones of superelasticity. The two-stage optimization is a systematic approach for compliant mechanism design with functional grading of the material to exploit superelastic response in controlled manner. Direct energy deposition, as an additive manufacturing technology, is foreseen to fabricate assemblies with multiple single piece functional graded components. This method could be applied to bio-inspired structures, flapping wings, flexible adaptive structures and origami inspired compliant mechanisms.
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She, Yu, Hai-Jun Su, and Carter J. Hurd. "Shape Optimization of 2D Compliant Links for Design of Inherently Safe Robots." In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-46622.

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In this paper, we represent a preliminary work towards the design of compliant mechanisms for human safe co-robots. We developed a shape optimization framework for design of planar compliant links for inherently safe robotic manipulators. It is well known intentionally introducing compliance to mechanical design can increase safety of robots. However traditional approaches such as elastic joints or uniform compliant links, were either at the cost of significantly reduced performance or with increased extra complexity and cost. Here, we propose a novel method to design compliant robotic links with a safety constraint which is quantified by Head Injury Criterion (HIC). The robotic links are modeled as a 2D beam with a variable width. Given a safety threshold i.e. HIC constraint, the width of the beam is optimized to give a uniform distribution of HIC along the longitudinal direction of the link. Links with a uniform HIC distribution have a better control performance. Finally, this solution is validated by an huamn-robot impact simulation program built in Matlab.
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Reports on the topic "Compliant link"

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O'Donnell, Kevin, and Anne Greene. A Risk Management Solution Designed to Facilitate Risk-Based Qualification, Validation, and Change Control Activities within GMP and Pharmaceutical Regulatory Compliance Environments in the EU—Part II. Institute of Validation Technology, 2006. http://dx.doi.org/10.1080/21506590.wp7142006agko-rmsdii.

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highlight the need for patient-focused and value-adding qualification, validation, and change control programmes for manufacturing and regulating medicinal products in the EU, which are cost-effective and in-line with current regulatory requirements and guidance. To this end, a formal risk management solution was presented that seeks to demonstrate, in a practical way, how Regulators and Industry in the EU may achieve these goals. This solution represents a formal and rigorous approach to risk management, offering a scientific and practical means for determining and managing, on a risk basis, the scope and extent of qualification and validation, and the likely impact of changes. Based on a ten-step, systematic process, this approach offers a ready-to-use and documented risk management methodology for these activities. This tool is not intended for use in all situations, or to address all risk areas or concerns encountered in GMP and Regulatory Compliance environments. Rather, its use should be commensurate with the complexity and/or criticality of the issue to be addressed, and in many instances, and in-line with ICH Q9 principles, a more informal approach to risk management may be more useful, and indeed proportionate.
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