Nonlinear compensation in digital controller of switching DC-DC converters

被引：0
|
作者：
He, Mingzhi [1 ]
Xu, Jianping [1 ]
Zhou, Zhongwen [2 ]
Chen, Ni [1 ]
Zhou, Guohua [1 ]
机构：
[1] Southwest Jiaotong Univ, Coll Elect Engn, Chengdu 610031, Sichuan, Peoples R China
[2] Sichuan Radio & Tv Univ, Chengdu 610073, Peoples R China
来源：
2007 INTERNATIONAL CONFERENCE ON COMMUNICATIONS, CIRCUITS AND SYSTEMS PROCEEDINGS, VOLS 1 AND 2: VOL 1: COMMUNICATION THEORY AND SYSTEMS; VOL 2: SIGNAL PROCESSING, COMPUTATIONAL INTELLIGENCE, CIRCUITS AND SYSTEMS | 2007年
基金：
中国国家自然科学基金;
关键词：
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
Digital control of switching dc-dc converters brings many benefits including capability to implement advanced control algorithm that is often complex. Nonlinear compensation function with digital PID of power coefficients is proposed in this paper. The describing function is adopted for analysis. The transient response under different load variations is investigated by simulation and compared with the converters employing linear PID compensation. The experiment system is also set up on FPGA platform to verify the analysis and simulation results. By comparison, nonlinear compensated converter has much better transient performance than the linear compensated one.
引用
收藏
页码：1269 / +
页数：2
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