小车避障的控制程序，三输入（左右距离之差、前方障碍物距离、与目的地之间偏角）一输出（小车拐角）实现对小车的模糊控制-Car obstacle avoidance control program, three input (about the difference between the distance, distance of obstacles ahead, and the Angle between the destination) the output (the car corners)