Affiliation: | Department of Mechanical Engineering, Kinki University, 3-4-1 Kowakae, 577, Higashi-Osaka City, Japan Kyushu Sangyo University, 2-3-1 Matsukadai, Higashi-Ku, 813, Fukuoka-City, Japan Osaka Electro-Communication University, 18-8 Hatsucho, 572, Neyagawa City, Japan |