NDLI: A wide range speed control method of compact high speed BLDCM using PLL approach

Content Provider	IEEE Xplore Digital Library
Author	Dong-Hee Lee Jin-Woo Ahn
Copyright Year	2008
Description	Author affiliation: Dept. of Electr. & Mechatron. Eng., Kyungsung Univ. (Dong-Hee Lee; Jin-Woo Ahn)
Abstract	High speed compact BLDCM (Brushless DC Motor) is much used for a robot and medical application because of the high torque and high speed characteristics. This paper presents a simple PLL based speed control scheme for a high speed compact BLDCM. Without any complex calculation of actual speed and design of speed controller, a simple phase difference between reference and actual hall sensor signal is used for calculation current reference which is proportional to output torque of BLDCM. And the current reference acts for keeping the phase delay of two signals. So, the actual speed can keep the reference speed. Meanwhile, additional DC-link voltage controller, which adjusts link voltage of VSI inverter according to reference speed, can reduce current ripple in a wide speed range. The proposed control scheme is very simple and does not use any complex calculation. The proposed control scheme is verified by the experimental results of 40,000 rpm compact BLDCM.
Starting Page	2784
Ending Page	2788
File Size	543464
Page Count	5
File Format	PDF
ISBN	9781424438266
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	IEEE Consumer Electronics Society(CES)
Subject Keyword	Velocity control Phase locked loops Brushless DC motors Robot sensing systems Medical robotics Medical services Biomedical equipment Signal design Torque control Proportional control
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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