Speed Control With Low Armature Loss for Very Small Sensorless Brushed DC Motors

被引：29

作者：

Scott, Jonathan ^{[1
,2
]}

McLeish, John ^{[1
]}

Round, W. Howell ^{[1
]}

机构：

[1] Univ Waikato, Dept Elect Engn, Hamilton 3240, New Zealand

[2] Macquarie Univ, Sydney, NSW 2109, Australia

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2009年 / 56卷 / 04期

关键词：

DC motor drives; micromotors; permanent-magnet (PM) motors; pulsewidth modulation (PWM); rotating machine stability; variable-speed drives;

D O I：

10.1109/TIE.2008.2007046

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A method for speed control of brushed dc motors is presented. It is particularly applicable to motors with armatures of less than 1 cm(3). Motors with very small armatures are difficult to control using the usual pulsewidth-modulation (PWM) approach and are apt to overheat if so driven. The technique regulates speed via the back electromotive force but does not require current-discontinuous drives. Armature heating in small motors under PWM drive is explained and quantified. The method is verified through simulation and measurement. Control is improved, and armature losses are minimized. The method can expect to find application in miniature mechatronic equipment.

引用

页码：1223 / 1229

页数：7

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