摘要
开关电源本身是一个非线性的系统,采用常规PID控制很难满足系统控制要求。引入模糊控制算法。在模糊控制器调节下,由不控整流电路整流,直流斩波(Buck)电路进行直流-直流(DC-DC)变换,从而输出稳定的可调直流电压。仿真结果表明:模糊控制算法具有动态响应快、超调量小、适应性强的特点,使被控对象具有良好的稳态特性,工程应用前景好[1]。
Switching power supply itself is a nonlinear system, it is difficult to meet system control requirements using conventional PID control, so this paper introduces fuzzy control algorithm. Under the regulation of the fuzzy controller,the non-controlled rectifier cimuit is rectifyied and the circuit of Buck conducts DC-DC conversion, to output a stable and adjustable DC voltage. Simulation re- suits show that the fuzzy control algorithm is characteristic of fast dynamic response, small overshoot and strong adaptability, so that the controlled object has a good steady state characteristics. It has a good application prospect.
出处
《机械制造与自动化》
2015年第2期168-171,共4页
Machine Building & Automation
