基于模糊自适应PI控制的无刷直流电机无级调速系统

针对传统PID控制策略对电机转速控制响应速度慢、控制精度低，以及电机调速系统负载或参数变化时很难达到预期效果等问题，提出了新型模糊自适应PI控制策略，并对该策略在无刷直流电机调速系统中的应用进行了仿真研究；以TI公司的TMS320F2812为主控芯片，IR2136为驱动芯片搭建了无刷直流电机无级调速系统的硬件平台。试验分析结果表明，模糊自适应PI控制策略能加快电机调速系统的响应速度，具有稳定性好、精度高、鲁棒性强等优点，并得到了良好的控制效果，具有较高的应用价值。

Brushless DC motor stepless speed regulation system based on fuzzy adaptive PI controller

In order to solve the problems of slow response, low control precision of the motor speed control, and traditional PID control strategy is difficult to achieve the expected effect when load or parameters of the motor speed system change, a new fuzzy adaptive PI control strategy was investigated, also, the simulation was studied to this strategy in the applications of brushless DC motor speed control system. The TI companyg TMS320F2812 was considered as the main control chip, and the IR2136 was taken as the drive chip to design the hardware platform on stepless speed regulation system of brushless DC motor. The experimental results show that the fuzzy adaptive PI control strategy can speed up the response speed of motor speed control system, and it has good stability , high precision, and strong robustness, so it gets a good control effect, has a high application value.