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2021
Comparison Study of Method for Calculation of Mesh Efficiency of Involute Gear Pair
Published 2019-12-01“…The efficiency of kinematic pairs is often formulated with work or force as it is done for the calculation of mesh efficiency of involute gear pair. …”
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2022
Quantum-inspired framework for big data analytics: evaluating the impact of movie trailers and its financial returns
Published 2025-02-01“…This research underscores the pivotal role of emotionally resonant content in shaping consumer behavior and cinematic outcomes. It would offer valuable insights for filmmakers and marketers to optimize audience engagement and financial returns.…”
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2023
A Novel Planetary-worm Drive Mechanism
Published 2015-01-01“…The analysis of the meshing theory and kinematical simulations for the novel planetary- worm drive also is implemented.…”
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2024
Parameter Analysis and Elastohydrodynamic Lubrication of the Precision Steel Ball Transmission
Published 2015-01-01“…On the basis of the study of contact mechanics and kinematics of precision steel ball transmission,the minimum film thickness formula of precision steel ball transmission meshing vice is derived by applying Hamrock-Dowson formula.The influence rule of the basic parameters such as the short amplitude coefficient of cycloidal tooth profile,rolling circle radius and steel ball radius on the meshing pair minimum film thickness is studied by applying numerical calculation method.The lubrication condition of meshing pair is analyzed and discriminated,the calculation method of the parameter selection of meshing pair in a state of complete elastohydrodynamic lubrication is proposed with calculating the range of the basic parameters.The theory basis of design and application for precision steel ball transmission is provided.…”
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2025
Application of the Correlation Matrix in Variable Cell Mechanism Design
Published 2017-01-01“…The matrix contains motion pair type,reflect kinematic pair and the number of components,and the structure is simple,the description is complete,it is convenient for computer programming and logic operation,widely applicable to all kinds of cell organization analysis research work.…”
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2026
Delay-Dependent Stability in Uncalibrated Image-Based Dynamic Visual Servoing Robotic System
Published 2018-01-01“…To eliminate the negative effects caused by kinematic uncertainties and delays, we propose an adaptive controller including the delay-affected Jacobian matrix and design an adaptive law accordingly. …”
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2027
3T2R Parallel Mechanism Type Synthesis based on G<sub>F</sub> Set Theory
Published 2017-01-01“…The 3-PPPR1 R2 is selected as the research object,the kinematics and dynamics analysis of the mechanism is carried out by using ADAMS,and the correctness of the 3T2R parallel mechanism based on the theory of G<sub>F</sub>set configuration in parallel mechanism is verified.…”
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2028
Design and Research of Four-leg Recon Robot
Published 2017-01-01“…Then,the design and description of its leg support,transmission,shock absorption and joint-driving functions are carried out. At last,the kinematics analysis of the movement of leg joints,robot body and the tip of the leg and the dynamics analysis of jogging gait are carried out through dynamics simulation software,it is proved that this robot could meet the requirement of stability of motion and velocity of recon equipment.…”
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2029
New attack based on smartwatch motion sensors and the protection method research
Published 2015-11-01“…Smart watch shipped with various embedded motion sensors,such as the accelerometer and gyroscope.Smart watch can follow the movement of hand to recognize the corresponding displacement,so that others can steal user’s external keyboard input through smart watches.The feasibility of intelligent device based on 6 axis accelerometer/gyroscope to infer the user’s keyboard input was researched,and the user’s keyboard input kinematic model for motion classification recognition was established.When users perform sensitive inputting,such as passwords inputting on digital keyboard,the passwords according to sensor information can be deduced.The results show that the approach can effectively recognize the PIN code on keyboard,which absolutely prove the seriousness of this safety problem.…”
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2030
Study on the Dynamics Virtual Simulation of the Transmission System of a Type Helicopter
Published 2016-01-01“…The transmission system is the key components of the helicopter,the study and analysis of the dynamics characteristic and virtual simulation have an important function for the whole life cycle in every stage.The 3D model of the helicopter transmission system is established by CATIA software,the load under the typical working condition is calculated,and the virtual prototype model is built under ADAMS software. The kinematic simulation analysis of the model is carried out,the rotate velocity and the time and frequency domain curves of meshing force of the main meshing gear are extracted and analyzed,the simulation results are consistent with theoretical calculation results. …”
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2031
On Bending of Bernoulli-Euler Nanobeams for Nonlocal Composite Materials
Published 2016-01-01“…The Bernoulli-Euler kinematic assumption and the Eringen nonlocal constitutive law are assumed in the formulation of the elastic equilibrium problem. …”
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2032
Design and Simulation of a Multi Degrees of Freedom Adjustable Exoskeleton for Lower Limb Rehabilitation
Published 2024-01-01“…The lower extremity exoskeleton dynamics model is established by the Lagrangian method, and the theoretical torque is calculated; the lower extremity rehabilitation exoskeleton model is constructed, and the finite element simulation and exoskeleton kinematics/dynamics simulation are carried out using Ansys and Adams software, respectively. …”
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2033
Analytical investigation of the mass spectrum of tetraquarks with a relativistic approach
Published 2025-01-01“…We use the Bethe–Salpeter equation (Schrödinger equation with relativistic kinematics) to calculate the binding energies and the mass of heavy tetraquarks with hidden charm and bottom structures. …”
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2034
Research of the Brake Noise Prediction of Wet Brake based on Complex Mode Finite Element Method
Published 2015-01-01“…By using the nonlinear contact kinematics,the analysis model of the wet brake noise is proposed and the accuracy of this model is verified by using the complex modal finite element simulation analysis. …”
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2035
A Review of Instrumented Equipment to Investigate Head Impacts in Sport
Published 2016-01-01“…Recent advances in technology have enabled the development of instrumented equipment, which can estimate the head impact kinematics of human subjects in vivo. Literature pertaining to head impact measurement devices was reviewed and usage, in terms of validation and field studies, of such devices was discussed. …”
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2036
Vector Bond Graph Method for the Dynamics Analysis of Planar Linkage based on Generalized Velocity
Published 2018-01-01“…For improving the reliability and efficiency of the dynamics analysis for planar linkage,the corresponding vector bond graph procedure based on generalized velocity is proposed. By the kinematic analysis of mechanism,the relation matrix between mechanism velocity vector,the capacitance field velocity vector,the inertia field velocity vector,the resistive field velocity vector,the source field velocity vector and generalized velocity vector are established. …”
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2037
Neural Network and Performance Analysis for a Novel Reconfigurable Parallel Manipulator Based on the Spatial Multiloop Overconstrained Mechanism
Published 2020-01-01“…The mobility of this mechanism is investigated. And the kinematic model and Jacobian matrix are both established. …”
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2038
Analysis of Fault Simulation of Escalator Drive Chain System based on Recur Dyn
Published 2018-01-01“…In order to study the dynamic characteristic of the escalator drive chain system and the effect of the sprocket wear and chain wear on the characteristic of chain drive,based on the theory of chain drive kinematics and multi-body dynamics,a simulation model of the escalator drive chain system is built by RecurDyn.Two conditions of no-load and load are set up,and the simulation analysis is made under the condition of adding wear fault. …”
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2039
Mathematical Modelling of Biomechanical Interactions between Backpack and Bearer during Load Carriage
Published 2013-01-01“…The pack interaction forces and moments, acting on the bearer, are determined from kinematic relationships, equations of motion, and a dynamic pack suspension model. …”
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2040
Trajectory Optimization for 6R Industrial Robot based on Multi-object PSO
Published 2018-01-01“…In the robot task space,the NURBS curve is used to describe end effector trajectory,the algorithm of the inverse kinematics of the robot is used to transform the task space trajectory into the joint space.A constrained backbones multi-objective particle swarm optimization algorithm with adaptive penalty function is proposed to optimize the time,velocity,acceleration and jerk of the industrial robot. …”
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