*YongChang Guo^1,2, ZiSheng Lian^1,2, HongBing Yuan^1,2, YaoYao Liao^1,2 (1. College of Mechanical Engineering,Taiyuan University of Technology, 2. Shanxi Key Laboratory of Fully Mechanized Coal Mining Equipment)

*Pha N. Pham¹, Kazuhisa Ito², Ryo Yagisawa², Shigeru Ikeo³ (1. National Institute of Patent and Technology Exploitation, 2. Shibaura Institute of Technology, 3. Sophia University)

*Lixin Song¹, Bing Xu¹, Junhui Zhang¹ (1. State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University)

*Satoru Takahashi¹, Kazuhisa Maeda², Futoshi Yoshida³, Shoichiro Iio¹, Ato Kitagawa⁴ (1. Shinshu Universisy , 2. TOYOTA AUTO BODY, 3. KYB Corporation, 4. Tokyo Institute of Technology)

*Hao Pang¹, Yinshui Liu¹, Luyi Wang², Zhuang Niu² (1. Huazhong University of Science and Technology, 2. Hust-Wuxi Research Institute)