The engineering project of this research is to improve and develop the cart semi-automatic for a disability in the arms and legs that to meet the needs of patients have no arms and legs resulting from an accident. Or.By this the disabled wheelchair can control the car by using the head of press control the motion of the car, trolley motor 2. Driven by the disabled wheelchair can move front moves to the left.And an increase in the braking system for the safety of those with disabilities. By people with disabilities can control the movement of the car by using a head switch from experiments. Save the data, the speed of movement forward. Found.3.97 kilometers per hour. Turn left and right from the start the car still is 0.77 meters. Turn left while the car is moving is 2.62 meters. Turn right while the car is moving is 2.85 meters maximum braking distance is 0.487 meters. The operation time 7 hours
.The problems found from the experiments, box, control the speed of the wheelchair. When used for a long period of time, will has a high heat. Due to speed control box control. Get high voltage for a long time, the next action should thereforeKey words: Cart auto semi self
, wheelchair impaired arm and a leg.
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