1Study on Operating Temperature Prediction Model of Aero High-speed GearsChen Yuling, Zhu Jiazan, Chen Taimin, Zhu Caichao, Wei Peitang, Xu YongqiangTheory·Research1-92Analysis on the Influence Factors of Bulk Temperature of the Meshing Gear of a Nutation Drive with a Double Circular-arc Spiral Bevel GearChen Ying, Yao Ligang, Wang Xingsheng, Zhang Dawei, Wang XueyingTheory·Research10-163Research on Load Stress in Bottom of Ultra-short Flexsplines of Harmonic DrivesLi Yifu, Chen Xiaoxia, Xing Jingzhong, Chen LiangTheory·Research17-234Research on Nonlinear Bearing Characteristics of Conical Deformation Friction Pairs in the Hydro-viscous Cluth Considering the Influence of Structural ParametersSun Hao, Cui Hongwei, Mei Bizhou, Li Donghui, Suo Yiran, Zhang LingqingTheory·Research24-325Analysis of Influence of Stiffness Variation on Uniform Load Characteristics of the Planetary Gear TrainsLi Kaiyang, Li Aiguo, Lin Ruiyi, Shi Lubing, Yan Shidang, Liu ZhongmingTheory·Research33-416Research on Path Planning for Tetrahedral Robots Based on A* AlgorithmWang Yubin, Shen Zhenjun, Wang Yuchen, Chen DongdongTheory·Research42-477Model Modification of the Mill Transmission System Based on the PSO-BP Neural NetworkTao Zheng, Bao Xianle, Guo Qintao, Zhou TianyangTheory·Research48-538Design and Research of the Energy Supplement System for Ocean BuoysFang Zifan, Zhang Liming, Zhao Shuang, Zuo XinqiuDesign· Calculation54-609Design and Kinetic Analysis of the Parallel Mechanism for Sorting and Transmitting of Automobile PartsJu Tao, Shen Huiping, Li TaoDesign· Calculation61-6910Design of the New Flex Wheel Tooth Profile for Harmonic Drive Based on Transient DynamicsZheng Junjian, He Xueming, Li PengchaoDesign· Calculation70-7411Design Analysis and Implementation of a Passive Expansion Spherical RobotShao Pai, Qin Jianjun, Cao Yu, Liu Xingjie, Chen HaonanDesign· Calculation75-8212Variable Topology Structure Design and Topology Analysis of a Variable-degree-of-freedom Single-loop MechanismLi Xia, Shen Huiping, Meng Qingmei, Li Ju, Yang TingliDesign· Calculation83-8913Modeling and Kinematics Simulation of Elliptical Gears with Double Circular Arc ProfilesYuan Xinmei, Yang Lizhao, Huang Tiancheng, Tang WeiDesign· Calculation90-9514Structural Design and Kinematic Analysis of Humanoid Robot ArmsYang Yakun, Zhang Xiaojun, Qin KangDesign· Calculation96-10315Tooth Contact Analysis of Straight Bevel Gears Machined with Concave CuttersWang Zhiyong, Zhang Zhu, Duan Zhihong, Zhang YuTest·Analysis104-10916Optimization and Experimental Testing of the Drag Torque Model Based on the Cavitation EffectLi Jie, Lian Hailong, Lan Hai, Wang ZhiyongTest·Analysis110-11617Analysis of Tooth Profile Characteristics and Meshing Characteristics of Double Cycloid Needle Tooth TransmissionLu Xinhao, Bai Guozhen, Cui Jiankun, Zhang Deqi, Ding JialeTest·Analysis117-12418Research on Locomotion Characteristics of a Novel Hopping RobotWang Jian, Zhang Wenxiang, Miao Long, Wang ShukunTest·Analysis125-13019Gear Tooth Contact Analysis of Cycloidal Pinwheel Transmission Mechanism of RV ReducersHan Ju, Zhang WeichangTest·Analysis131-14120Precision Compensation Method of Tooth Profile in Form Grinding of Modified Helical GearsZhang Hao, Su Jianxin, Deng Xiaozhong, Han ZhengyangDevelopment·Application142-147