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Development of Intelligent Power Wheelchair Assisting for Frail Elderly People on Daily Life
Atsuhiro Nakamura,Gen Obayashi,Yasunari Fujimoto,Osamu Nitta,Toru Yamaguchi 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
Recently, the number of elderly people increases in Japan, and the development of welfare apparatus having the effect of minimizing care is required. In this research, authors develop Intelligent Power Wheelchair along with minimizing care needs for frail elderly people. This Intelligent Power Wheelchair features the four functions ; approach function by human gesture recognition, standing up assistance, walking assistance, and operation assistance by posture recognition. And it shows experiments which three assistances function in useful.
A Model-Based System Development of a Walking Support Wheelchair Robot
Yoshinobu Akimoto,Eri Sato-Shimokawara,Yasunari Fujimoto,Toru Yamaguchi 제어로봇시스템학회 2014 제어로봇시스템학회 국제학술대회 논문집 Vol.2014 No.10
This paper proposes a model-based development method with user model to develop functions of service robots, in consideration of user conditions. The user model in this paper is an independent model, which cooperates with device models and control models, and then it can behave on behalf of actual human, in simulation environments. Therefore, the user model is effective for developing functions of a product which has some risks to hurt human. The authors have been developing functions of electric wheelchair to support persons with gait disturbance. The authors applied this method to the improvement of a rehabilitation assistance function and a development of the safety drive assistance function on the electric wheelchair, for evaluating the functions in design phase, without risk to hurt subjects. As one of the safety drive functions, the authors implemented a function to stop automatically at emergency. And, for the improvement of the rehabilitation assistance function, the authors implemented a sub-function to approach the user.