1Norio Sakai, Gakushi Tanka, Yoshiki Shimomura. Product life cycle design based on product life control [C]// Proc. of EcoDesign: Third Int'l Symposium on Environmental Conscious Design and Inverse Manufacturing. Tokyo, Japan, 2003: 102-108.
2Jonathan Cagan, Craig M Vogol. Creating breakthrough products [M]. Beijing, China: China Machine Press, 2006. 9-83.
3Takanori Shibata, Kazuo Tanie. Influence of a priori knowledge in subjective interpretation and evaluation by short-term interaction with mental commit robot [C]// Proceedings of the 2000 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2000: 169-174.
4Kazuyoshi Wada, Takanori Shibatd, Tomoko Saito, et al. Robot assisted activity for elderly people and nurses at a day service center [C]//Proceedings of the 2002 IEEE International Conference on Robotics 8 Automation. Washington, 2002:1416-1421.
