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2181
Functional Design in Rehabilitation: Modular Mechanisms for Ankle Complex
Published 2016-01-01“…The robust design starts from an accurate modelling of ankle movements during walking, assessing motion data from healthy individuals and patients. The kinematics analysis and functional evaluations lead the study and development of the articulated system. …”
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2182
Global Multi-Phase Path Planning Through High-Level Reinforcement Learning
Published 2024-01-01“…In this paper, we introduce the <italic>Global Multi-Phase Path Planning</italic> (<monospace><inline-formula><tex-math notation="LaTeX">$GMP^{3}$</tex-math></inline-formula></monospace>) algorithm in planner problems, which computes fast and feasible trajectories in environments with obstacles, considering physical and kinematic constraints. Our approach utilizes a Markov Decision Process (MDP) framework and high-level reinforcement learning techniques to ensure trajectory smoothness, continuity, and compliance with constraints. …”
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2183
Analysis of Rattleback Chaotic Oscillations
Published 2014-01-01“…Although its shape looks symmetric, its kinematic behaviour seems to be asymmetric. When spun in one direction it normally rotates, but when it is spun in the other direction it stops rotating and oscillates until it finally starts rotating in the other direction. …”
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2184
Les arrangements pour l’accès au foncier agricole périurbain
Published 2019-12-01“…Arrangements illustrate the local production of a social norm bypassing the tenant farming rule. Winemakers are often landowners. They dominate the local land tenure system. …”
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2185
Adaptive Terminal Sliding Mode NDO-Based Control of Underactuated AUV in Vertical Plane
Published 2016-01-01“…Considering the complicated dynamics and kinematics model for underactuated AUV, a more simplified model is obtained based on assumptions. …”
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2186
DESIGN OF SYNCHRONOUS TELESCOPIC CLAMPING MECHANISM OF FAST DISPATCHING HEXAGONAL CLAMP
Published 2016-01-01“…In this paper,a synchronous telescopic clamping mechanism is designed and it can automatically clip the fast dispatching hexagonal clamp based on the utility. Kinematics analysis of synchronous telescopic clamping mechanism is carried out by using ADAMS simulation software. …”
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2187
Parameterization-based trajectory planning for an 8-DOF manipulator with multiple constraints
Published 2025-03-01“…A parameterization-based trajectory planning approach is proposed for an 8-DOF manipulator with multiple constraints. The inverse kinematic solution is obtained through an analytical method, and the trajectory is planned in joint space. …”
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2188
Design and Performance Analysis of a Sub-micron Piezoelectric Flexible Micro Drive System
Published 2020-06-01“…A kind of precise flexible micro mechanism is designed based on the principle of flexible hinge guide and transmission,and on this basis, a design scheme of piezoelectric flexible micro drive system is proposed. The kinematics analysis,strength analysis and dynamic analysis of the system are accomplished by the finite element method. …”
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2189
Structure Design and Mechanical Analysis of Bionic Pipe-climbing Robot based on Metamorphic Mechanism
Published 2021-11-01“…The gait of climb in the vertical pipe robot climbing and flip movement is designed,and based on the Adams,pipe-climbing robot kinematics and dynamics simulation are analyzed. The clamping force and the friction force in the process of climbing pipe change rule is obtained. …”
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2190
Structural Design and Analysis of an Omni-Directional Mosbile Stair Climbing Wheelchair
Published 2016-01-01“…An omni-directional mobile stair climbing wheelchair is designed to help the persons with lower limb disabilities climb the stairs.The function of climbing stair of the wheelchair is realized by using mechanical support legs and wheels bearing the wheelchair alternately.Four Mecanum wheels are taken as the wheelchair wheels and driven by four electrical motors.The capability of obstacle crossing with the limited width of stairs and the kinematical and dynamics math model are analyzed.The anteroposterior and lateral stability of the wheelchair are analyzed with combining energy method and stability reserve analysis method.The characteristics of omni-directional movement of the wheelchair are also studied.The result shows that the wheelchair can climb most stairs safely and wouldn’t turn over.The omni- directional movement can be achieved by controlling the speed of four wheels.The structural design of the wheelchair is reasonable.And the combination of the stair- climbing function and the omni- directional mobile function is realized successfully.…”
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2191
Design and Dynamic Analysis of a Novel Biomimetic Robotics Hip Joint
Published 2015-01-01“…The biomimetic robotics hip joint model of the robot is established, the kinematics equation is described, and then the dynamics are analyzed and simulated with ADAMS software. …”
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2192
Structural Design and Mechanical Analysis of Permanent Magnet Wheeled Climbing Robots on an Outer Wall of Pipelines
Published 2023-10-01“…To determine the driving force required, the minimum magnetic force meeting the force balance condition of stable adsorption of the robot needs to be calculated first; the size of the permanent magnet wheel is designed and determined based on the magnetic force analysis model of the permanent magnet wheel established by Maxwell. Kinematics simulation of the robot based on Adams software is carried out and the ability to climb over the obstacle is verified.…”
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2193
RESEARCH ON THE GEAR OF SHEARER’S CUTTING PART BASED ON MFC-ANNS
Published 2016-01-01“…Combining MFC with ANNs could predict shearer ’s kinematics parameters when the gears was reliable operation,the prediction error reach 5. 6538 × 10<sup>- 6</sup>,the research results provides a unequivocal quantitative basis for the design and optimization of gear type parts which could improve this type of parts’ functional reliability effectively,this method has instruction significance to practical shearer’s productions.…”
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2194
Simulation Analysis of the Forming Process of Tapered Multi-blade Scraper Tool
Published 2019-01-01“…Based on the meshing theory of crossed axes and the cutting process of tooth surface in gear skiving, the kinematics model of powerful tooth scraping and the cutting model of tapered multi-edge cutter are established. …”
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2195
Numerical Analysis of Elastohydrodynamic Lubrication of Rolling Linear Guides
Published 2019-01-01“…In order to study the lubrication performance of rolling linear guides,based on the LG-45 rolling linear guides,the kinematics analysis is carried out. An elastohydrodynamic lubrication(EHL)model is established for the rolling linear guides,and its lubricating performance is investigated. …”
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2196
Mixed methods for viscoelastodynamics and topology optimization
Published 2014-07-01“…An additive decomposition of the stress state into a viscoelastic part and a purely elastic one is introduced along with an Hellinger-Reissner variational principle wherein the stress represents the main variable of the formulation whereas the kinematic descriptor (that in the case at hand is the velocity field) acts as Lagrange multiplier. …”
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2197
Topology Optimization Design of the Planar 3-RPR Fully Compliant Parallel Mechanism
Published 2016-01-01“…Based on the differential kinematics of parallel mechanism displacement vector differential mapping relation between input and output,through establishing a planar 3-RPR topology optimization model of fully compliant parallel mechanism( SIMP interpolation model),the solution is optimized by using the optimization criterion method( OC) algorithm,and by using the Heaviside filtering technology,the checkerboard phenomenon is restrained and processed. …”
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2198
Research and Motion Analysis of Cutting Blade Mechanism of Copper Foil Shearing Machine
Published 2015-01-01“…It is always a problem to improve the quality of copper foil shearing in PCB production.In order to research and develop copper foil shearing machine which has international competitiveness,taking the shearing mechanism of copper foil shearing machine designed by Rosenthal company in US as study object,the mechanism principle of shearing mechanism is descriped and the degree of freedom of mechanism is calculated.The motion analysis of shearing mechanism is carried out based on the methods of spatial mechanism kinematics and numerical calculation.Then,the analytic parameter formula of shearing mechanism cut point is deduced.The motion feature of shearing mechanism based on high speed and high cutting quality is proposed through the numerical experimentation and simulation experiment of shearing machine with 1500 copper foil breadth.The movement curve and controllable parameter which affects the performance of mechanism are obtained.The research contents can be taken as reference for the optimization of cutting blade mechanism design parameters.…”
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2199
Research on Recognition, Positioning and Grasping of Robotic Arms Based on an Improved ORB Algorithm
Published 2024-10-01“…Then, the mathematical model of the robotic arm was established by using the standard D-H parameter method, and the inverse kinematics was solved. Finally, the obtained drive angles of each joint of the robotic arm were transmitted to the control end of the system. …”
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2200
Application and Development of ANSYS Parametric Modeling System of RV Reducer
Published 2016-01-01“…The parametric modeling is proved by using the kinematic simulation through Pro / E. The modal analysis of RV- 40 E is finished and the results is coincided with the experimental modal analysis results. …”
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