1. Graduate School of Engineering, Kyushu Institute of Technology, Sensui 1-1, Tobata, Kitakyushu, Fukuoka 804-8550, Japan
2. School of Mechanical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Daxue Road 3501, Changqing, Jinan, Shandong 250316, China
3. Department of Mechanical Engineering, Kyushu Institute of Technology, Sensui 1-1, Tobata, Kitakyushu, Fukuoka 804-8550, Japan