Effects of finite switching frequency and computational delay an PWM controlled servo DC drives

被引：0
|
作者：
Sakharuk, TA
Lehman, B
Stankovic, AM
Tadmor, G
机构：
来源：
IAS '97 - CONFERENCE RECORD OF THE 1997 IEEE INDUSTRY APPLICATIONS CONFERENCE / THIRTY-SECOND IAS ANNUAL MEETING, VOLS 1-3 | 1997年
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D O I：
暂无
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：
Effects of (low) switching frequency and of delays (due to digital control implementation) on servo DC drives with a PWM power supply are examined. A modeling procedure and analytical formulas to quantify deviations from standard (idealized) fixed-gain models are presented, and illustrated by simulations and hardware experiments. A necessary and a sufficient condition for existence of a periodic steady state in operation of a servo DC drive are described.
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页码：699 / 706
页数：8
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