Nonlinear digital PID controller for DC-DC converters

被引：22

作者：

Yousefzadeh, Vahid ^{[1
]}

Choudhury, Shamim ^{[1
]}

机构：

[1] Texas Instruments Inc, Digital Power, Dallas, TX 75265 USA

来源：

APEC 2008: TWENTY-THIRD ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, VOLS 1-4 | 2008年

关键词：

D O I：

10.1109/APEC.2008.4522956

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper introduces an approach for the design and implementation of a non-linear digital PIID controller. The proposed PID controller includes nonlinear proportional, integral and differential gains that are selected based on the input error signal value to achieve significantly improved dynamic responses. This implementation uses an off-the-shelf digital PWM controller well suited for practical high-frequency SMPS applications. Simulation and experimental results are presented for a point-of-load 12V-to-1V, 40A, 500kHz dual phase synchronous buck converter to verify the improved dynamic performance of the non-linear digital controller.

引用

页码：1704 / 1709

页数：6

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