Abstract
TOTO, Kawada Industries Inc. and AIST have developed the "Toilet Assist" which assist excretion cares in nursing care homes as part of the "Human Support Robot and Practical Technologies for Nursing Care Activities" project of the New Energy and Industrial Technology Development Organization (NEDO). In this project, AIST has developed the shuttle platform for a wheelchair which is a part of "Toilet Assist". In this paper, its hardware structure, the autonomous traveling method and the experimental results of trajectory following are reported.