A pressure cushion for control of intelligent wheelchair movements

Wheelchair is a main assistant vehicle for the disable, which is classified into two types by source of power, manual operation and electric operation. With the developments of micro electronic technology, human-machine interface and intelligent wheelchair, traditional wheelchair has become more and more intelligent. This paper presents the research status of intelligent wheelchair abroad, describes several projects of intelligent wheelchair in the world, and brings forward of a new method that controlling wheelchair movements by a pressure cushion.