Predictive Differential Game Guidance Approach for Hypersonic Target Interception Based on CQPSO by Fan He, Weiyi Chen, Yang Bao

“…To address this problem, a predictive differential game guidance approach based on dynamic optimization algorithm is proposed to relax the interceptor acceleration requirements. Two-dimensional kinematics and dynamics engagement mode for hypersonic target interception is formulated as a nonlinear differential control model in the presence of matched uncertainties. …”
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Simulation Analysis of Ring Chain Drive of Heavy Scraper Conveyors Based on Adams by Zhu Feng, Wang Peng

“…The ring chain drive system is modeled using the SolidWorks software. The kinematics and dynamics simulation of the meshing process of the sprocket and chain ring under different working conditions are carried out using the Adams software. …”
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Development and application of a lightweight five-axis parallel machining robot by Zenghui XIE, Bin MEI, Weiyao BI, Fugui XIE, Xin-Jun LIU

“…In the fields of national defense, aerospace, and energy, there exist plenty of complex surface core parts, for example, the aircraft structural components and turbine blades.These parts usually have the machining requirements of large material removal rate, high dimensional accuracy and high surface quality.The traditional five-axis serial machine centers face two problems in the machining process: (1) the tool will automatically rotate when it passes through the pole posture; (2)the driving axes’dynamic response does not match.It was tried to solve these problems from the view of machining equipments’ configuration.By making fully use of the advantages of parallel robots in compact structure, high stiffness, kinematic flexibility and dynamic response, a lightweight five-axis parallel machining robot with attitude coupling motion and uniform driving axes’ dynamic response was developed.The optimal design, motion control, and precision guarantee were carried out to realize the high-efficiency and high-quality machining of complex curved parts.Finally, the application verification in AVIC (Aviation Industry Corporation of China) Chengdu Aircraft Industrial (Group) Co., Ltd.was conducted.…”
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A Design of Variable-configuration Hexapod Robots by Wang Xiaolei, Guo Jikang

“…The former leg was taken as the research object for the kinematic analysis, and the formula for the positive and negative solution of its position and the Jacobian matrix were derived. …”
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Research on an Adaptive Motion Planning Method for Multi-joint Hyper-redundant Robots by Luo Shuangbao, Zeng Fengfei, Zeng Xiaoshan, Qiang Hua, Wang Xiaoyang

“…An adaptive motion planning method is proposed for the problems of complex kinematic solution, large configuration deviation of traditional multi-joint hyper-redundant robots. …”
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Accurate Modeling and Application of Time-varying Mesh Stiffness of Spur Gear Pair based on Geometry and Potential Energy Method by Wang Xiaopeng, Liu Shijun Li Jiqiang

“…On the basis of meshing kinematic equation and geometric position relation of involute gear，one accurate modeling method of spur gear pairs based on geometry and potential energy method is proposed. …”
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Deformation Behavior of Press Formed Shell by Indentation and Its Numerical Simulation by Minoru Yamashita, Zubair Bin Khalil

“…Deformation behaviors were successfully predicted when the kinematic hardening plasticity was introduced in the material model.…”
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Trajectory Planning of Energy Consumption Optimal Redundant Manipulators with Constraints by Yuanfei Zhou, Haitao Tang

“…In order to improve the computational efficiency of trajectory optimization， a new penalty algorithm is designed through dealing with the kinematic and dynamic constraints in the cost function calculation， so as to avoid running the inverse dynamic model when all the constraints are not met. …”
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Research on Meshing Efficiency of Gear Pairs Based on Dynamic Sliding Friction Factors by Fu Jingbo, Qiao Mingming, Guo Zhili, Chen Jiangyi

“…In order to study the meshing efficiency of the gear pair under the actual working conditions, the force and kinematics of the contact surface of the gear pair are analyzed, the lubrication state of the gear pair is judged by combining the theory of elastohydrodynamic lubrication, and the relationship between the elastohydrodynamic lubrication and the mixed lubrication state is established. …”
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Waypoint Tracking Control for Autonomous Mobile Sampling and Dissolved Oxygen Enrichment of Unmanned Surface Vehicle by Jian Yuan, Hailin Liu, Wenxia Zhang

“…The control hardware and monitoring configuration software of the system is designed, respectively, which can be installed on USV and its remote control and monitoring terminal. The kinematic modeling of USV, waypoint trajectory-tracking control, distributed controller, simulation of tracking control, and verification of software and hardware design are carried out. …”
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Transformability in adaptive structures of Frei Otto and beyond by Marios C. Phocas, Maria Matheou

“…Meanwhile, research and development of actual adaptive structures are based on the afore-mentioned principles of form variation and lightweight, as well as on aspects of flexibility, controllability and simplicity in kinematics. In achieving this, the development of adaptive structures with minimum embedded actuation and maximum possible output structural states, gains significance. …”
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Influence of Radial Deformation of Cam on Profile Modification in Harmonic Drive by Qianqian Jiang, An Gong, Xiaofeng Li, Lei Zhang, Junyang Li

“…In order to solve the interference between the rigid wheel and the flexible wheel tooth profile caused by the theoretical value of the cam radial deformation is inconsistent with the reality in the harmonic drive， taking the double arc harmonic gear without common tangent as research object, based on the improved kinematics method，the harmonic gear finite element model is established in ABAQUS. …”
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Human Gait Analysis Metric for Gait Retraining by Tyagi Ramakrishnan, Seok Hun Kim, Kyle B. Reed

“…It is designed to combine spatial, temporal, kinematic, and kinetic gait parameter asymmetries. …”
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Conical Mecanum Wheel of Adjusting Roller Offset Angle based on Spherical Four-bar Mechanism by Qingshan Wang, Lubin Hang, Weizhong Guo, Xiaobo Huang, Chenkun Qi, Yan Wang

“…By establishing the spherical four-bar mechanism kinematics model, the input and output equations of the spherical four-bar mechanism are solved. …”
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Free Vibrations of a Trapezoidal Plate with an Internal Line Hinge by María Virginia Quintana, Ricardo Oscar Grossi

“…The analysis was carried out by using the kinematics corresponding to the classical laminated plate theory (CLPT). …”
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Research of the Combined Trajectory Planning of Descartes Space and Joint Space by Lai Xiao, Liu Yong, Luo Wenguo, Dai Yanxia, Zeng Han

“…Through the closed loop vector method,kinematics equation is established and the space trajectory is fitted based B spline function model,the motion curve of the joint space planning and the motion curve of Descartes space planning and the motion curve of combined space planning are obtained. …”
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Optimal Design of the Rear Leg Mechanism of Climbing Wheelchair by Li Can, Liu Zengbao, Lu Jianjun, Fan Liubin, Jia Lixiang

“…The rear leg mechanism of climbing wheelchair is the typical planar 2 degrees of freedom fivebar linkages,in order to improve the motion performance of the wheelchair,based on the kinematic analysis and the stress analysis on the key point of the rear leg,taking the length of two side links and one linkage of the five bar linkage as the design variable,the mean of the parallel mechanism Jacobian condition number as the objective function,the constraint conditions are given,and the nonlinear genetic algorithm are used to the optimization design of wheelchair rear leg mechanism. …”
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Research on Digital Design and Tooth Shape Optimization of Non-circular Gears Based on Envelope Features by Yongping Liu, Beibei Yun, Yongqiao Wei, Changbin Dong, Zhongtao Ren

“…At the same time， in view of the impact vibration and noise problems in the process of non-circular gear transmission， a precise， efficient and general modification design method of non-circular gear tooth profile is obtained by taking the modification of gear shaping cutter as the means and the modification of non-circular gear tooth profile as the purpose. The kinematic simulation of the non-circular gears before and after modification is carried out using the dynamic simulation software. …”
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Path Planning for a Space-Based Manipulator System Based on Quantum Genetic Algorithm by Zhengcang Chen, Weijia Zhou

“…In this study, by considering a space-based, n-joint manipulator system as research object, a kinematic and a dynamic model are constructed and the system’s nonholonomic property is discussed. …”
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Research on the Novel Primary and Secondary Embedded Deployable Cage Mechanism by Liu Ziyu, Hang Lubin, Bai Lele, Huang Xiaobo, Wang Mingyuan, Chen Junrong, Li Sulong, Zhang Pengcheng

“…Further， by establishing the kinematics equation of the primary cage mechanism， the relationship between the driven angle and corresponding open state of the cage can be derived from geometric projection on the symmetric planes. …”
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