1Study on the Twist Compensation of Helical Gear Tooth Flanks and the Arc-shaped Worm Wheel Dressing MethodFang Yi, Yang Jianjun, Wang Jianwen, Zhang Ling, Zhou Guojun, Su JianxinTheory·Research1-72Gear Skiving and Tool Design Method for Manufacturing Tangent Quadruple Circular-arc Harmonic FlexsplinesGuo Erkuo, Xu Jia, Hong Yang, Liu Chang, Hu LeleTheory·Research8-143Evaluation of Meshing Quality of Antenna Base Gear Tooth Surfaces Based on the Linear Weighted Gray-scaleZhang Liu, Qiu Bao'an, Sun Pan, Li Lin, Wang Liming, Shao YiminTheory·Research15-224Research on Analytical Model of Magnetic Torques Between Magnetic TubesLi Jiangang, Guo Yue, Huang JintianTheory·Research23-28,505Cyclostationary Near-field Acoustic Holography for GearboxesZhu Song, Zhang Erliang, Gao XiaoyuTheory·Research29-346Analysis of Bearing Contact Characteristics of Face Gear Drives with Coupling Installation ErrorsWeng Dengyan, Shen Yunbo, Xu WeijunTheory·Research35-417Optimal Structural Parametric Design of Permanent Magnet Eddy-current Couplers Based on the Dimensional Analysis MethodYang Chaojun, Ma Chao, Gu Lixiang, Sun Xianyou, Liang Xinghai, Wang JianDesign·Calculation42-508Design of the Engine Timing Silent Chain System Based on the Pitch-variation AlgorithmWang Yujin, An Lichi, Wang JiaweiDesign·Calculation51-589Inverse Kinematics Solution for Manipulators Based on the Artificial Evolved Hummingbird AlgorithmWang Junru, Qin Pengfei, Sun GuangbinDesign·Calculation59-6610Design of the Variable Stiffness Mechanism with Human-robot Interaction and Research on Optimal Hammering TrajectoryZhang Xiaolei, Wu YaguangDesign·Calculation67-7511Design and Research of the Three-posture Adjustable Multi-functional Integrated Wheelchair BedLi Yanan, Zhou Xiaochen, Zhang Baoxu, Xu Guoxin, Tan Cao, Zhao YanjunDesign·Calculation76-8112Path Planning of Manipulators Based on the Norm Adaptive Step-size RRT AlgorithmLiu Yafei, Liu Fang, Dong Rong, Wu Baoning, Nie ShaoqingDesign·Calculation82-8613Robotic Arm Motion Planning Based on an Improved PRMYou Dazhang, Zhao Hengyi, Song LuwenDesign·Calculation87-93,14814Effect of Braking Conditions on Wear Loss of the Disc Drake PadZhao Xiaohui, Huan Kaixuan, Zhang Zhijie, Yang Wenbin, Hu ShengTest·Analysis94-9915Analysis on Mixed Lubrication Performance of Pin-bush Pairs in Large-sized Marine ChainLiu Yi, Liu Xiaoling, Liu Guoliang, Li QunTest·Analysis100-10716Optimum Design Research on the Link Mechanism of the JP72 Lifting Jet Fire Truck Boom SystemGuo Tong, Wang Jiawen, Liang Yingnan, Peng Buyu, Liu Tao, Liu YiqunTest·Analysis108-11517NVH Performance Improvement Method of the Three-in-one Electric Drive System Based on Structural Topology OptimizationGe Hailong, Zhao Zhiguo, Chen ZhixinDevelopment·Application116-12418Optimal Design of the Pitching Mechanism Considering the Influence of Erecting Angle CurvesYuan Yi, Deng Wenzhu, Wu Bude, Wang Yuqi, Lu Wei, Ding YuliDevelopment·Application125-13019Test and Analysis of Performance of Flat Single-axis Photovoltaic Tracking Bracket Multi-point Drive Rotary ReducersMa Tao, Li Wei, Chen Xuehui, Gao Ting, Li Wei, Tang XingDevelopment·Application131-13820Gearbox Rolling Bearing Fault Diagnosis Based on Autocorrelation Envelope and Adaptive MEDLi Hua, Yu Zifeng, Xiao Yuan, Li Zhiyong, Liu Haitao, Li Baisong, Shao Qiang, Gu ZiqiangDevelopment·Application139-148 