DC/DC變換器數字PID控制方法研究

摘要：本文介紹了DC/DC變換器數字PID控制方法，對增量式和位置式數字PID控制算法進行比較研究。以DC/DC變換器為控制對象，根據硬件條件確定采樣周期，運用極點配置方法整定比例、積分、微分系數，通過MATLAB仿真對整定參數進行修訂，最后采用抗積分飽和PID算法完成系統控制。實驗結果證明：所整定的參數能使系統運行平穩，滿足系統所要求的靜、動態特性。 敘詞：DC/DC變換器 數字PID 極點配置 Abstract：The paper introduces the digital PID control method for DC/DC converter, analyzing the incremental and located method of digital PID control algorithm by comparison. According to the hardware that DC/DC converter was used as the control object, the sampling period was determined, PID proportional, integral, differential coefficients by pole configuration was set, the parameters through the MATLAB simulation were amended. Then the anti-integration saturation PID controlled the system. Experimental results proved that DC/DC converter worked stably by revised parameters. The system was with excellent static and dynamic characteristics. Keyword：DC/DC Converter, Digital PID, Pole configuration