Abstract
The object of this study is to develop an indoor nearfloor mover of autonomous character for the handicapped and the old who have difficulty in walking. It is desirable that they can move about in the house without help of their family. The height of the mover sould be lowered for the conversation with the family who sit on the floor. The mover must have a flat carrier in order to set the special chair by which the patient can keep his comfortable and painless posture. Moreover, it needs the function for making a modification on the route even if the correct control is impossible.
