<P>PROBLEM TO BE SOLVED: To provide an apparatus for controlling a vehicle using teeth-clenching which classifies right, left, or both teeth clenching motion and duration time of clenching to control a wheelchair through analysis of electromyogram signals generated from teeth clenching motion when a quadriplegic disabled person can hardly move the lower part of the head and can hardly use hands and arms. <P>SOLUTION: The method comprises: a step in which during teeth clenching motion to clench teeth in the oral cavity, an electromyogram signal of activated muscle is sensed by electromyogram sensors disposed at both sides in the teeth clenching motion for clenching teeth in the oral cavity; a step in which a control command generating unit generates a command for vehicle control corresponding to the clenching motion including, for the sensed electromyogram signal, a clenching position, clenching duration time, and a continuous clenching motion using previous motion of the vehicle as reference calculation value; a step in which a control command interface unit converts the generated signal to an input voltage; and a step in which a vehicle driving unit controls the starting of a starting device. Thus, previous recognition patterns and previous motion command for a wheelchair are utilized from the limited number of clenching patterns and a wheelchair can be controlled more naturally. <P>COPYRIGHT: (C)2007,JPO&INPIT 
APPARATUS AND METHOD FOR CONTROLLING VEHICLE BY TEETH-CLENCHING