Inverter Dead Time Nonlinear Analysis and On-Line Compensation
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Inverter Dead Time Nonlinear Analysis and On-Line Compensation
Vol. 17, Issue 3, Pages: 27-31(2012)
作者机构:
1. 中国科学院光电技术研究所
2. 中国科学院研究生院
作者简介:
基金信息:
DOI:
CLC:TM464
Published:2012
稿件说明:
移动端阅览
WANG Ran-jun, LIU En-hai. Inverter Dead Time Nonlinear Analysis and On-Line Compensation[J]. 2012, 17(3): 27-31.
DOI:
WANG Ran-jun, LIU En-hai. Inverter Dead Time Nonlinear Analysis and On-Line Compensation[J]. 2012, 17(3): 27-31.DOI:
Inverter Dead Time Nonlinear Analysis and On-Line Compensation
摘要
在伺服控制系统中
受逆变器死区效应的影响
输出电流存在畸变
使得系统性能降低.针对此问题
在分析了死区非线性误差的基础上
提出了一种在线死区补偿方法
利用相邻两个采样周期死区幅值变化缓慢的特点
估计出下一时刻的死区误差电压进行补偿
该方法不依赖电流的极性检测
不需要额外的硬件电路支持
算法简单有效
且能够针对死区的非线性误差补偿.仿真和实验结果表明
该方法能够有效地降低输出电流谐波分量
改善波形的正弦性
相比传统离线补偿方法
具有更好的补偿效果.
Abstract
Generally in servo control system
there exists distortion in output current due to inverter dead time effects
making system performance degraded.To solve these problems
we present a new on-line dead time compensation method after analyzing the nonlinear error.Dead time effects are compensated by estimating voltage error because of amplitude of error voltage will not be changed abruptly during two adjacent sample times.The proposed method does not rely on current polarity detecting and needs no e...
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Related Institution
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