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Artykuły w czasopismach na temat „Force feasible set”

Autor: Grafiati

Data publikacji: 25 stycznia 2025

Data aktualizacji: 31 lipca 2025

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1

Rezzoug, Nasser, Vincent Hernandez, and Philippe Gorce. "Upper-Limb Isometric Force Feasible Set: Evaluation of Joint Torque-Based Models." Biomechanics 1, no. 1 (2021): 102–17. http://dx.doi.org/10.3390/biomechanics1010008.

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A force capacity evaluation for a given posture may provide better understanding of human motor abilities for applications in sport sciences, rehabilitation and ergonomics. From data on posture and maximum isometric joint torques, the upper-limb force feasible set of the hand was predicted by four models called force ellipsoid, scaled force ellipsoid, force polytope and scaled force polytope, which were compared with a measured force polytope. The volume, shape and force prediction errors were assessed. The scaled ellipsoid underestimated the maximal mean force, and the scaled polytope overest

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2

Rezzoug, Nasser, Xuguang Wang, Vincent Hernandez, and Philippe Gorce. "Maximal isometric force exertion predicted by the force feasible set formalism: application to handbraking." Ergonomics 62, no. 12 (2019): 1551–62. http://dx.doi.org/10.1080/00140139.2019.1660418.

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Boumann, Roland, and Tobias Bruckmann. "Real-Time Cable Force Calculation beyond the Wrench-Feasible Workspace." Robotics 9, no. 2 (2020): 41. http://dx.doi.org/10.3390/robotics9020041.

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Under special circumstances, a cable-driven parallel robot (CDPR) may leave its wrench-feasible-workspace. Standard approaches for the computation of set-point cable forces are likely to fail in this case. The novel nearest corner method for calculating appropriate cable forces when the CDPR is outside of its wrench-feasible-workspace was introduced in former work of the authors. The obtained cable force distributions aim at continuity and generate wrenches close to the desired values. The method employs geometrical operations in the cable force space and promises real-time usability because o

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Hernandez, Vincent, Nasser Rezzoug, Philippe Gorce, and Gentiane Venture. "Force feasible set prediction with artificial neural network and musculoskeletal model." Computer Methods in Biomechanics and Biomedical Engineering 21, no. 14 (2018): 740–49. http://dx.doi.org/10.1080/10255842.2018.1516763.

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Hernandez, Vincent, Gentiane Venture, Nasser Rezzoug, and Philippe Gorce. "Improving the upper-limb force feasible set evaluation by muscles maximal isometric force identification and cocontraction factors." Journal of Biomechanics 57 (May 2017): 131–35. http://dx.doi.org/10.1016/j.jbiomech.2017.03.021.

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Hernandez, Vincent, Philippe Gorce, and Nasser Rezzoug. "Evaluation and validation of musculoskeletal force feasible set indices: Application to manual wheelchair propulsion." Journal of Biomechanics 68 (February 2018): 70–77. http://dx.doi.org/10.1016/j.jbiomech.2017.12.012.

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Hao, Jian Ming, and Kai Fa Zhou. "The Closure Scheme Optimization Analysis of Multiple Large-Span Prestressed Continuous Beam Bridges." Applied Mechanics and Materials 178-181 (May 2012): 2240–45. http://dx.doi.org/10.4028/www.scientific.net/amm.178-181.2240.

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It is critical to choose a reasonable closure scheme for the construction or post- construction state of multiple large-span prestressed continuous beam bridges. The feasible closure schemes were analyzed and evaluated. The optimum closure scheme analysis method was proposed. Take Wei river bridge for instance, by deformation, internal force and stress comparison, and construction roubustness analysis, the optimum closure scheme is set down to ensure the girder close smoothly with reasonable internal force.

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8

Liu, Xuqing, Jie Yu, Xinzhu Li, Changqin Chen, Xiao Chen, and Xin Deng. "Design and mechanical analysis of wall-climbing ROV adsorption structure." Journal of Computing and Electronic Information Management 16, no. 2 (2025): 71–75. https://doi.org/10.54097/ehjvqj32.

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This paper studies the design and reliability of a wheeled walking structure based on electromagnets for remotely operated underwater vehicles (ROV). First, the walking structure is based on the traditional wheeled structure and combined with electromagnet adsorption technology. It has the advantages of high adsorption reliability, controllable adsorption strength, and convenient separation from the magnetic wall. In addition, the safety of the designed structure in different adjacent states is mechanically analyzed to obtain the minimum feasible adsorption force. At the same time, the influen

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9

Carrión, Elena Ángela, Pedro Ignacio Saez, Juan Carlos Pomares, and Antonio Gonzalez. "Average Force of Deployment and Maximum Arrest Force of Energy Absorbers Lanyards." International Journal of Environmental Research and Public Health 17, no. 20 (2020): 7647. http://dx.doi.org/10.3390/ijerph17207647.

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Energy-absorbing lanyards (EAL) are part of fall arrest systems (FAS), their main mission is to dissipate the energy generated during the fall, ensuring that the arresting force does not cause injury to the user. For the design of FAS as set out in the American standard Z359.6 and the Canadian Z259.16 it is essential to know the deployment force or average arrest force (Fa). Fa is necessary to estimate the elongation that the absorber will suffer during the fall and therefore essential data to calculate the clearance distance. There is a lack of useful experimental data for the design of this

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10

Toutoungi, D. E., A. B. Zavatsky, and J. J. O'Connor. "Parameter sensitivity of a mathematical model of the anterior cruciate ligament." Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 211, no. 3 (1997): 235–46. http://dx.doi.org/10.1243/0954411971534340.

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This paper presents the results of an investigation into parameter sensitivity of a mathematical model of the human anterior cruciate ligament (ACL). The model ACL comprised a continuous array of fibres mapped between part-elliptical attachment areas on the femur and tibia. Relative motion of the two bones was controlled by a planar four-bar linkage. Parameter modifications were: (a) an alternative set of values for the coordinates of the four-bar linkage joints; (b) rotation of the attachment areas of the ligament by ±30°; and (c) variation of some mechanical properties. The alternative four-

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11

Kerk, Carter J., and Don B. Chaffin. "Evaluation of Limiting Strength Constraints in a Comprehensive Biomechanical Model." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 37, no. 10 (1993): 739–43. http://dx.doi.org/10.1177/154193129303701020.

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The strength constraints in a two-dimensional static human force exertion capability model (HFEC) have been evaluated using eight male and female subjects of varying anthropometry and strength capability. The model comprehensively estimates feasible exertion capability under symmetric conditions using a set of fifteen linear constraint equations from three constraint classes: strength, stability, and coefficient of friction (COF). This evaluation examines the nature of the limiting strength constraints. The computer model aided in designing tasks (combining posture with force exertion directio

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12

Chen, Jie Lai, Xue Zheng Jiang, and Ning Xu. "Semi-Active Control of a Vehicle Suspension Based on Magneto-Rheological Damper." Advanced Materials Research 311-313 (August 2011): 2286–90. http://dx.doi.org/10.4028/www.scientific.net/amr.311-313.2286.

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The focus of this study is to experimentally investigate a semi-active magneto-rheological (MR) damper for a passenger vehicle, by using a quarter car models. After verifying that the damping force of the MR damper can be continuously tuned by the intensity of the magnetic field, a full-scale two-degree of freedom quarter car experimental set up is constructed to study the vehicle suspension. On-off skyhook controller is employed to achieve the desired damping force. The experimental results show that the semi-active vehicle suspension vibration control system based on MR dampers is feasible a

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13

Li, Ming Hai, and Cheng Guang Zhang. "Research on Simulation for the Solenoid Valve Parameters of High-Power Electronic Controlled Diesel Engine." Advanced Materials Research 805-806 (September 2013): 1847–51. http://dx.doi.org/10.4028/www.scientific.net/amr.805-806.1847.

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Based on the 16V265H high power diesel engine as the research object, used GT-Fuel and GT-Power to build the simulation model and study solenoid valve parameters such as spring pre-tightening force, moving parts mass and spring stiffness to the influence on engine combustion performance. Through calculation and analysis, we got a set of reasonable solenoid valve parameters. The experiment proved that the simulation model can well simulate the actual operation of diesel engine and the solenoid valve parameters are feasible.

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14

Wang, Wen Bin, Li Hui Ren, He Chao Zhou, and Markus Hecht. "Energy Absorption Configuration of Crashworthy Metro Train." Advanced Materials Research 466-467 (February 2012): 724–28. http://dx.doi.org/10.4028/www.scientific.net/amr.466-467.724.

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In this paper, a simulation method based on joining non-linear finite element and multi-body dynamics is developed to solve the energy configuration of crashworthy metro train. The relationships of non-linear springs which describe characters of forces-deformation for energy absorption during crash event are obtained by using non-linear Finite Element Analysis (FEA) techniques. Then they are used in simulation for collision of two metro train sets with multi-body dynamics. Compare to the different energy absorption configuration, the results of impact force, deformation, velocity and accelerat

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15

Lai, Xing Yu, Chun Yan Yan, Bang Yan Ye, and Wei Guang Li. "Study on Intelligent Control of Milling Process Based on MATLAB." Advanced Materials Research 328-330 (September 2011): 1759–62. http://dx.doi.org/10.4028/www.scientific.net/amr.328-330.1759.

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In order to achieve the intelligent control of milling process, an experimental platform is constructed in XK5140 CNC machine tool. The control system is based on the Simulink model of MATLAB and the controller is established by programming S-function. The experiments are performed on steel workpiece with variable depth of cut by controlling milling force. The experimental results show that the intelligent control of the milling process is feasible using this experimental platform. The proposed controller can adaptively adjust the feed rate till achieving a constant cutting force approaching t

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16

Wang, Feilu, and Yang Song. "Three-Dimensional Force Prediction of a Flexible Tactile Sensor Based on Radial Basis Function Neural Networks." Journal of Sensors 2021 (March 16, 2021): 1–12. http://dx.doi.org/10.1155/2021/8825019.

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A flexible tactile sensor array with 6 × 6 N-type sensitive elements made of conductive rubber is presented in this paper. The property and principle of the tactile sensor are analyzed in detail. Based on the piezoresistivity of conductive rubber, this paper takes full advantage of the nonlinear approximation ability of the radial basis function neural network (RBFNN) method to approach the high-dimensional mapping relation between the resistance values of the N-type sensitive element and the three-dimensional (3D) force and to accomplish the accurate prediction of the magnitude of 3D force lo

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17

Wang, Ming Hong, and Fa Jiang He. "Analysis of Experiments of Cutting Force and Improvement of Surface Properties for Al₂O₃ Ceramics Inserts by Ion Implantation." Applied Mechanics and Materials 58-60 (June 2011): 435–40. http://dx.doi.org/10.4028/www.scientific.net/amm.58-60.435.

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The problem which people are following with interest all the time is how to improve the cutting properties and natural life of cutter. The feasible experimental analysis is done for Al2O3 ceramics inserts. The technique of N+ ion implantation is adopted in the experimentation, the practical formulae of cutting force are set up, and the cutting properties of inserts are compared and analyzed. An effective, simple and convenient method for changing the surface properties of inserts is obtained. All the tries are achieved with the aim of property melioration for ceramics inserts.

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18

Karthikeyan, Dr A., N. Pavithra, S. Priyadharshini, P. Sabarithini, and R. Thavaseela. "Artificial Intelligence-Based Control for Reactive Power of Electric Drive System for Pump." International Journal for Research in Applied Science and Engineering Technology 10, no. 5 (2022): 3006–10. http://dx.doi.org/10.22214/ijraset.2022.43030.

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Abstract: This paper affords an impression device implementation found out for the electrical force device of a pump station supported analysis, this country of the control approach for the electrical force device of a pump station, and present challenges. The operation’s findings display that this type of control plan is feasible , which with the help of using incorporating computing , it'll successfully keep guide diligence while conjointly sleuthing pump station failures, thence growing the voltage pleasant of the power provide device. A nonlinear proportional operation approaches the trans

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19

Saeed, Nagham Tharwat. "A multi-verse Optimizer Approach Based on a Salp Swarm for Image Feature Selection to Observe Changes in Urban Lands." Technium: Romanian Journal of Applied Sciences and Technology 25 (November 10, 2024): 44–52. http://dx.doi.org/10.47577/technium.v25i.8929.

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Many changes have occurred in most urban areas, and it is usually governed by many geographical and social factors, the result will be either the expansion or contraction of these cities. In this paper, an optimizer method called salp swarm optimization (SSO) is used to build a driving force model for urban lands according to the changes in the driving force mechanism. The principle of (SSO) is extracting the driving force classification rules corresponding to different types of land use change samples by imitating the behavior of salp. The classification rules are constructed in the form of "

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20

Radionova, Ludmila V., Vasily A. Ivanov, and S. S. Strugov. "Study of Force and Kinematic Parameters of the Low-Waste, Zero-Draft Hot Forging of Welding Neck Flanges on the Basis of a Combined Expansion-Extrusion Deforming Procedure." Materials Science Forum 946 (February 2019): 823–31. http://dx.doi.org/10.4028/www.scientific.net/msf.946.823.

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This paper demonstrates the development of a technology for low-waste zero-draft hot forging of axisymmetric parts, in particular, welding neck flanges, on the basis of an expansion-extrusion deforming procedure. In this study, we carried out a process simulation by means of DEFORM 3D for a qualitative evaluation of the plastic yield. Based on the simulation results, the method was proven feasible, and we set forth the goal to prepare the process and design guidelines for further industrial application. The region of plastic deformation was determined, and a general view of the function for de

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21

S. T., Shimishi, Abdullahi N., Dari S., and Awwalu H. B. "A set covering model for optimizing selection of contract bidding in a strategic sourcing process: a case study of the Nigerian Airforce." Journal of Basics and Applied Sciences Research 3, no. 3 (2025): 78–91. https://doi.org/10.4314/jobasr.v3i3.10.

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The sourcing decisions of contract bidding in a Military organization is complex to manage largely due to the increasing complexity of products requirements, multiple suppliers, and the nature of Air Force Hardware and Software installations pricing structures. This paper presents a set-covering model (formulation) that allows the user to select the most economical bid among offerors (contractors) that meet all the critical product requirements while minimizing the total cost. The optimization process is carried out in two phases. The first phase deals with the construction of a biddable combi

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22

Bi, Qian, Can-Jun Yang, Xue-Lei Deng, and Jing-Chang Fan. "Human finger mechanical impedance modeling: Using multiplicative uncertain model." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 230, no. 12 (2015): 1978–86. http://dx.doi.org/10.1177/0954406215587343.

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To design a controller for the purpose of control of hand exoskeleton force, the critical question is to model the human finger impedance properly. The difficulty is that the parameters of the impedance model are perturbative in different postures. In this paper, multiplicative uncertain models of human finger impedance are presented. We describe the impedance as a mass-spring-damping system. The experiments are set in extension, half-flexion, flexion and synthesis postures. The parameters of nominal model as well as their perturbation range are identified by the forgetting factor recursive le

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23

Fann, Kuang-Jau, Chia Feng Yu, and Chun Hao Chang. "Analysis of Dieless Drawing to Form the End of Metal Wires under Proportional Shape Evolution with Slab Method." Materials Science Forum 920 (April 2018): 155–60. http://dx.doi.org/10.4028/www.scientific.net/msf.920.155.

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This study is to set a goal to create a model solving the temperature distribution and its evolution for the process of dieless drawing metal wire parts by using slab method and postulating that the wire end suffers a proportional deformation. The results from using a SUS304 stainless wire in 5 mm diameter dielessly drawn show that the highest temperature locates on the symmetry plane at the process beginning, so that the necking takes place there and an end will be formed securely. As a result, the method proposed by this study is feasible. In addition, for a given final shape of the metal wi

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24

Boumann, Roland, and Tobias Bruckmann. "Simulation and Model-Based Verification of an Emergency Strategy for Cable Failure in Cable Robots." Actuators 11, no. 2 (2022): 56. http://dx.doi.org/10.3390/act11020056.

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Cable failure is an extremely critical situation in the operation of cable-driven parallel robots (CDPR), as the robot might be instantly outside of its predefined workspace. Therefore, the calculation of a cable force distribution might fail and, thus, the controller might not be able to master the guidance of the system anymore. However, as long as there is a remaining set of cables, the dynamic behavior of the system can be influenced to prevent further damage, such as collisions with the ground. The paper presents a feasible algorithm, introduces the models for dynamical multi-body simulat

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Ricardo, Diogo, Júlia Teles, Maria Raquel Raposo, António Prieto Veloso, and Filipa João. "Test-Retest Reliability of a 6DoF Marker Set for Gait Analysis in Cerebral Palsy Children." Applied Sciences 11, no. 14 (2021): 6515. http://dx.doi.org/10.3390/app11146515.

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Background: Cerebral palsy (CP) is a complex pathology that describes a group of motor disorders with different presentations and functional levels. Three-dimensional gait analysis is widely used in the assessment of CP children to assist in clinical decision making. Thus, it is crucial to assess the repeatability of gait measurements to evaluate the progress of the rehabilitation process. The purpose of the study is to evaluate test-retest reliability of a six-degree-of-freedom (6DoF) marker set in key points of gait kinematics, kinetics, and time-distance parameters in children with CP. Meth

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26

McMahon, John J., Nicholas J. Ripley, Paul Comfort, et al. "The Kneeling Isometric Plantar Flexor Test: Preliminary Reliability and Feasibility in Professional Youth Football." Journal of Functional Morphology and Kinesiology 8, no. 4 (2023): 164. http://dx.doi.org/10.3390/jfmk8040164.

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Calf injuries are common in professional football; thus, the establishment of reliable and time-efficient methods of measuring the peak force capabilities of the plantar flexors with equipment that is accessible to football practitioners is valuable. In this study, we determined the preliminary reliability and feasibility of a new test, termed the kneeling isometric plantar flexion test (KIPFT), for footballers. Twenty-one male youth footballers (age = 17.8 ± 1.1 years, height = 182 ± 5 cm, weight = 77.6 ± 5.9 kg) from English League One football clubs completed three trials of the KIPFT on a

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27

Liu, Xue Mei, Zeng Da Zou, Y. H. Zhang, Shi Yao Qu, and X. H. Wang. "Figuration Control of Deposit in Friction Surfacing." Key Engineering Materials 373-374 (March 2008): 806–10. http://dx.doi.org/10.4028/www.scientific.net/kem.373-374.806.

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Friction Surfacing is an advanced surface modification method, so it is of great importance to study figuration mechanism of deposit in friction surfacing process for controlling deposit’s quality. By friction surfacing, consumable-rod of 1Cr18Ni9Ti (321)was surfaced on the substrate of mild steel (1020) by different process parameters (rotation speed, force and traverse speed). The effects of process parameters on deposit’s figuration are discussed. Experiments show that deposit’s width and thickness decrease linearly with increasing consumable-rod rotation speed; deposit’s width increases an

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28

Huang, Yidong, Yufeng Xu, and Si Chen. "Research on Solution Method for Cable-Stayed Bridge Formation Based on Influence Matrix and Interior Point Method." Buildings 15, no. 5 (2025): 673. https://doi.org/10.3390/buildings15050673.

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A cable tension calculation method based on an influence matrix and the interior point method is proposed for the optimization of cable tension of cable-stayed bridges with multiple performance indicators. Taking a hybrid beam cable-stayed bridge as an example, an objective function based on the bending energy of the tower and beam was established using an influence matrix. Constraints on the range and uniformity of cable force values, the deformation amplitude of the main beam and tower, and the local bending moment of the main beam were established. A cable force optimization model for a com

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Jianbin, Huang, Li Zhi, Huang Longfei, Meng Bo, Han Xu, and Pang Yujia. "Docking mechanism design and dynamic analysis for the GEO tumbling satellite." Assembly Automation 39, no. 3 (2019): 432–44. http://dx.doi.org/10.1108/aa-12-2017-191.

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Purpose According to the requirements of servicing and deorbiting the failure satellites, especially the tumbling ones on geosynchronous orbit, this paper aims to design a docking mechanism to capture these tumbling satellites in orbit, to analyze the dynamics of the docking system and to develop a new collision force-limited control method in various docking speeds. Design/methodology/approach The mechanism includes a cone-rod mechanism which captures the apogee engine with a full consideration of despinning and damping characteristics and a locking and releasing mechanism which rigidly conne

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Bernardi, N. S., M. A. R. Feliciano, K. Gravena, et al. "Acoustic Radiation Force Impulse (ARFI) elastography imaging of equine distal forelimb flexor structures." Arquivo Brasileiro de Medicina Veterinária e Zootecnia 72, no. 4 (2020): 1154–62. http://dx.doi.org/10.1590/1678-4162-11388.

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ABSTRACT This study set out to determine normal values for acoustic radiation force impulse (ARFI) elastography of the superficial digital flexor tendon, deep digital flexor tendon, accessory ligament of the deep digital flexor tendon and suspensory ligament in horses. Twenty-four horses were submitted to conventional sonographic assessment and elastography imaging (quantitative ARFI method) of distal forelimb tendons and ligaments at nine anatomical regions. Elastograms depicted tendons and ligaments in orange to red tones consistent with greater stiffness. Shear wave velocity was higher in t

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Zhu, Xiao Xing, Bao Yu Wang, and Zheng Huan Hu. "Numerical Simulation and Experiment of Hot Roll Forming Large Module Gear." Applied Mechanics and Materials 456 (October 2013): 86–89. http://dx.doi.org/10.4028/www.scientific.net/amm.456.86.

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To compare with the other gear manufacturing methods, the hot roll forming process is applied in forming large module gear. The hot gear rolling theory is realized by modeling in Solidworks and Deform-3D, the finite element model (FEM) that coupled deformation and heat transfer was established, and the FE model velocity boundaries were set by converting the workpiece rotation into the revolution speed of the roller. The total displacement of metal flow, folding angel of teeth, effect strain and the temperature distribution of the part were obtained in the whole process of hot gear rolling, als

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32

Huang, Mingye, Aiwu Peng, and Lingzhi Zhao. "Analysis of Different Winding Configuration on Electromagnetic Performance of Novel Dual Three-Phase Outer-Rotor Flux-Switching Permanent Magnet Machine for Oscillating Water Column Wave Energy Generation." Energies 18, no. 5 (2025): 1021. https://doi.org/10.3390/en18051021.

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In this article, we propose, for the first time, to apply the flux-switching permanent magnet (OR-FSPM) generator to the oscillating water column wave energy conversion (OWC-WEC), and a novel dual three-phase 24-slot/46-pole OR-FSPM generator for OWC-WEC is designed and analyzed. The feasible phase-shift angle (PH-Angle) between the two sets of windings, namely 0°, 30° and 60°, is analyzed. The electromagnetic performance of the generator under three winding configurations is investigated, including PM flux linkage, back electromotive force (EMF), open-circuit rectified voltage, inductance, co

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Tamaru, Yuuma, Kensuke Kawata, and Hiroki Shimizu. "Design and Prototyping of Biaxial Flexible Support Table for Fine Positioning Through Controlled Magnetic Attraction Forces." International Journal of Automation Technology 16, no. 5 (2022): 588–97. http://dx.doi.org/10.20965/ijat.2022.p0588.

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High-precision positioning can be obtained by reducing sliding friction and securing support rigidity. A prototype of a biaxial positioning table with non-contact drive by magnetic force and flexible mechanism support was developed to meet these requirements. The magnetic poles of a permanent magnet and an electromagnet were placed opposite to each other with an appropriate gap between them, and the attraction force between the two poles was used as the actuator for fine feed. The table was supported with a flexible mechanism composed of metal (A2017) beams with notches and elastic hinges asse

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Galderisi, S. "Implementing alternatives to coercion as a key component of improving mental health care: the WPA contribution." European Psychiatry 66, S1 (2023): S29. http://dx.doi.org/10.1192/j.eurpsy.2023.111.

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AbstractTo favor the implementation of alternatives to coercive practices, a WPA Taskforce and reference group on Minimizing Coercion in Mental Health Care was created within the WPA 2017-2020 Action Plan. It included several distinguished colleagues from different countries and cultural as well as experiential background, and representatives from patients and carers organizations. Task force members soon realized the presence of a significant diversity of views and experiences among mental health professionals, people with lived experience and their carers. All members agreed that the debate

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Alagh, Yoginder K. "The Janus Face of Agricultural Policies, Kisans and Sethias: Local and Global." Social Change 51, no. 4 (2021): 463–74. http://dx.doi.org/10.1177/00490857211051242.

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Indian agriculture is at a crossroads. We can plan out the phasing of reforms or force the pace and mess up the process. The Supreme Court had taken a practical stand on the Farm Trade Laws—implement them after consultation and with a well-defined framework spelt out. They had also appointed an expert amicus curiae. But this was not acceptable to the agitating farmer organisations in view of the stated views the experts had. It is possible that experts can re-examine their position as the Court said, but not highly probable. So going back to direct negotiations led to the stand the government

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Gómez-Varela, Ana I., Adelaide Miranda, Dimitar Stamov, Ricardo Gaspar, Bruno Silva, and Pieter De Beule. "Advancing fluorescence microscopy and spectroscopy for the benefit of cell science and drug delivery." EPJ Web of Conferences 266 (2022): 13014. http://dx.doi.org/10.1051/epjconf/202226613014.

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Here we report on two recent advances we made applying advanced fluorescence microscopy and spectroscopy to further the study of cell biology and drug delivery. At first, we detail a new instrumental set-up combining atomic force microscopy in liquid and super-resolution fluorescence microscopy in novel configuration such that long-term simultaneous and co-localized observation with both techniques becomes feasible. We believe this will contribute to the study of fast membrane activated cell-signalling processes in the years to come. Furthermore, we report on a novel application of fluorescenc

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Yazici, Hakan, and Mert Sever. "Design of an optimal state derivative feedback LQR controller and its application to an offshore steel jacket platform." An International Journal of Optimization and Control: Theories & Applications (IJOCTA) 8, no. 1 (2017): 84–91. http://dx.doi.org/10.11121/ijocta.01.2018.00468.

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This paper concerns with the optimal state derivative feedback LQR controller design for vibration control of an offshore steel jacket platform having active tuned mass damper against the wave induced disturbances. Considering that the state derivative signals such as acceleration and velocity are easier to measure rather than the state variables such as displacement, state derivative feedback control strategy is proposed to obtain practically applicable and easily realizable synthesis method. On the basis of convex optimization approach, state derivative feedback LQR controller design is form

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Tang, Pengbin, Stelian Coros, and Bernhard Thomaszewski. "Beyond Chainmail: Computational Modeling of Discrete Interlocking Materials." ACM Transactions on Graphics 42, no. 4 (2023): 1–12. http://dx.doi.org/10.1145/3592112.

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We present a method for computational modeling, mechanical characterization, and macro-scale simulation of discrete interlocking materials (DIM)---3D-printed chainmail fabrics made of quasi-rigid interlocking elements. Unlike conventional elastic materials for which deformation and restoring force are directly coupled, the mechanics of DIM are governed by contacts between individual elements that give rise to anisotropic deformation constraints. To model the mechanical behavior of these materials, we propose a computational approach that builds on three key components. ( a ): we explore the sp

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Silber, Adam, Petr Kovář, Pavla Kabelíková–Hrušková, and Michal Kravčenko. "On Regular Distance Magic Graphs of Odd Order." Journal of Combinatorial Mathematics and Combinatorial Computing 117 (December 31, 2023): 55–64. http://dx.doi.org/10.61091/jcmcc117-06.

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Let G=(V,E) be a graph with n vertices. A bijection f:V→{1,2,…,n} is called a distance magic abeling f G if there exists an integer k such that ∑u∈N(v)f(u)=k for all v∈V, where N(v) is the set of all ertices adjacent to v. Any graph which admits a distance magic labeling is a distance magic graph. The existence of regular distance magic graphs of even order was solved completely in a paper by ronček, Kovář, and Kovářová. In two recent papers, the existence of 4-regular and of (n−3)-regular distance magic graphs of odd order was also settled completely. In this paper, we provide a similar class

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Zhang, Li-Xia, Fu-Quan Pan, Hui Zhang, and Ting Feng. "Modeling and simulation of minimum time-handling inverse dynamics of a vehicle." Advances in Mechanical Engineering 10, no. 7 (2018): 168781401878608. http://dx.doi.org/10.1177/1687814018786089.

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The performance of a vehicle in minimum time handling is highly important for the safety of the vehicle. In this study, a vehicle motion state equation with 3 degrees of freedom was established on the basis of the lateral, yaw, and longitudinal motions of the vehicle. Equations on the linear tire and motion trajectory were established with consideration of longitudinal load transfer to establish the vehicle-handling dynamics model. Steering-wheel angle, driving force equation set, and yaw angle equation had been introduced to convert the vehicle-handling dynamics model into the vehicle-handlin

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Gia Luan, Phan, and Nguyen Truong Thinh. "Empirical Quasi-Static and Inverse Kinematics of Cable-Driven Parallel Manipulators Including Presence of Sagging." Applied Sciences 10, no. 15 (2020): 5318. http://dx.doi.org/10.3390/app10155318.

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Cable-driven parallel manipulators (CDPMs) have been of great interest to researchers in recent years because they have many advantages compared to the traditional parallel robot. However, in many studies they lack the cable’s elasticity that leads to flexible cables just being considered as extendable rigid links. Furthermore, an external force acts on the extremities of cable and the self-weight is relevant to the length of it. Experimentally, a small change in length produces a huge change in tension act on the entire cable. By this property, the adjusting length of cable is often added to

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Mamourian, Alexander C., Namrata Mahadevan, Nischala Reddy, Steven P. Marra, and John Weaver. "Prototypical metal/polymer hybrid cerebral aneurysm clip: in vitro testing for closing force, slippage, and computed tomography artifact." Journal of Neurosurgery 107, no. 6 (2007): 1198–204. http://dx.doi.org/10.3171/jns-07/12/1198.

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Object The aim of this study was to explore the possibility that a hybrid aneurysm clip with polymeric jaws bonded to a metal spring could provide mechanical properties comparable to those of an all-metal clip as well as diminished artifacts on computed tomography (CT) scanning. Methods Three clips were created, and Clips 1 and 2 were tested for mechanical properties. Clip 1 consisted of an Elgiloy spring (a cobalt-chromium-nickel alloy) bonded to carbon fiber limbs; Clip 2 consisted of an Elgiloy spring with polymethylmethacrylate (PMMA) jaws; and Clip 3 consisted of PMMA limbs identical to t

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Zhou, Jing, Bao Yu Wang, Lei Fu, and Qing Lei Meng. "A Method to Optimize Aluminum Alloy Door Impact Beam Stamping Process Using NSGA-II." Materials Science Forum 773-774 (November 2013): 89–94. http://dx.doi.org/10.4028/www.scientific.net/msf.773-774.89.

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The process parameters of aluminium alloy hot stamping produce an importantly effect on production forming quality. In the case of a door impact beam inside the car doors, the fi-nite-element model of aluminium alloy hot stamping is set up. Based on the model, the forming quality is investigated under usual process condition. Using the Latin hypercube method, we sampled the data points from design space of process parameters. Data points are imported into finite-element model to calculate the forming quality indices. According to their responding values, the quadratic response surfaces between

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He, Sheng, Xinheng Huang, Peng Yu, and Weijing Yun. "The Investigation on Static Stability Analysis for Reticulated Shell with Initial Defect Value Using Stochastic Defect Mode Method." Buildings 12, no. 5 (2022): 615. http://dx.doi.org/10.3390/buildings12050615.

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Regarding the effect of the initial geometric defect (IGD) on the static stability of single-layer reticulated shells, its distribution pattern and magnitude are the main concerns to researchers. However, the suitable selection of the initial geometric defect magnitude (IGDM) is still a controversial topic. Therefore, it is intended to study the determination of the proper IGDM based on the structure force state (SFS) and the defect coefficient. In order to find out a qualified IGDM, more than 5200 numerical cases are carried out for four types of commonly used single-layer reticulated shells

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Uddin, Md Kamal, Amran Bhuiyan, and Mahmudul Hasan. "Impact of Kernel-PCA on Different Features for Person Re-Identification." International Journal of Innovative Technology and Exploring Engineering 10, no. 11 (2021): 76–81. http://dx.doi.org/10.35940/ijitee.k9457.09101121.

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In the driving field of computer vision, re-identification of an individual in a camera network is very challenging task. Existing methods mainly focus on strategies based on feature learning, which provide feature space and force the same person to be closer than separate individuals. These methods rely to a large extent on high-dimensional feature vectors to achieve high re-identification accuracy. Due to computational cost and efficiency, they are difficult to achieve in practical applications. We comprehensively analyzed the effect of kernel-based principal component analysis (PCA) on some

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Morrison, Graeme, and David Cebon. "Extremum-seeking algorithms for the emergency braking of heavy goods vehicles." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 231, no. 14 (2017): 1961–77. http://dx.doi.org/10.1177/0954407016689515.

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A pneumatic slip control braking system was demonstrated, which reduces the emergency stopping distances of heavy goods vehicles by up to 19%. Solutions are still required to set the optimal reference wheel slip for this system online, so that it can adapt to changing operating conditions. This paper considers whether the use of extremum-seeking algorithms is a feasible alternative approach to online tyre model fitting, the computational expense of which has, to date, inhibited real-time implementation. The convergence and the stability properties of a first-order sliding-mode extremum-seeking

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Aminullah, Nadeem Jan, Zia Ur Rehman, and Fazal Amin. "The impact of tourism industry on the economic growth of Pakistan." Journal of Humanities, Social and Management Sciences (JHSMS) 4, no. 2 (2023): 18–40. http://dx.doi.org/10.47264/idea.jhsms/4.2.2.

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The fundamental plan of the study is to explore the impact of tourism receipt on Pakistan’s gross domestic product growth and use the data set from 1995 to 2019. This study employed ARDL techniques for estimation. The study reveals that the economic growth (later on GGDP) has been favourably and significantly affected by the labour force, foreign direct investment, exchange rate, and gross national expenditure. However, gross capital formation and human capital showed an encouraging outcome on the economy in the long period but showed unfavourable and noteworthy effects in the short period. Th

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Md, Kamal Uddin, Bhuiyan Amran, and Hasan Mahmudul. "Impact of Kernel-PCA on Different Features for Person Re-Identification." International Journal of Innovative Technology and Exploring Engineering (IJITEE) 10, no. 11 (2021): 76–81. https://doi.org/10.35940/ijitee.K9457.09101121.

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In the driving field of computer vision, re-identification of an individual in a camera network is very challenging task. Existing methods mainly focus on strategies based on feature learning, which provide feature space and force the same person to be closer than separate individuals. These methods rely to a large extent on high-dimensional feature vectors to achieve high re-identification accuracy. Due to computational cost and efficiency, they are difficult to achieve in practical applications. We comprehensively analyzed the effect of kernel-based principal component analysis (PCA) on some

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Mategula, Donnie, Collins Mitambo, William Sheahan, et al. "Malaria Burden Stratification in Malawi- A report of a consultative workshop to inform the 2023-2030 Malawi Malaria Strategic Plan." Wellcome Open Research 8 (April 19, 2023): 178. http://dx.doi.org/10.12688/wellcomeopenres.19110.1.

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Background: Malawi's National Malaria Control Programme (NMCP) is developing a new strategic plan for 2023-2030 to combat malaria and recognizes that a blanket approach to malaria interventions is no longer feasible. To inform this new strategy, the NMCP set up a task force comprising 18 members from various sectors, which convened a meeting to stratify the malaria burden in Malawi and recommend interventions for each stratum. Methods: The burden stratification workshop took place from November 29 to December 2, 2022, in Blantyre, Malawi, and collated essential data on malaria burden indicator

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Fülöp, Botond, and Norbert Harmathy. "A review of the energy retrofitting goal and methods of the building stock across the EU." Thermal Science, no. 00 (2024): 219. http://dx.doi.org/10.2298/tsci240528219f.

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This study aims to compare and evaluate various energy retrofitting strategies and methods employed in the building sector, with a focus on analysing their effectiveness and feasibility in enhancing energy efficiency. Current renovations in the EU are mostly response to policies in force; however, there is an increasing demand for renovation projects to align with the goals set for 2050. Subsidies or barriers may differ across a whole spectrum, depending on various factors, but leaving the building with the same expected outcomes. It is also important to apply measures in design phases which e

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