现代控制理论经典实验，一个点击和倒立杆，倒立杆本来应该由于重力原因下垂，通过电机的摆动式倒立杆起摆，并且保持平衡，采用pid算法，或得山东省电子设计大赛一等奖。-Modern control theory classic experiment, a lever clicks and inverted, inverted rod reasons should have been sagging due to gravity, swinging through the motor from the