NDLI: An applicaton of the extented Kalman filter in servo motors of medical equipments

Content Provider	IEEE Xplore Digital Library
Author	Yingjian Yang Yan Xing Xu Wang Dan Yang
Copyright Year	2013
Description	Author affiliation: Sino-Dutch Biomed. & Inf. Eng. Sch., Northeastern Univ., Shenyang, China (Yingjian Yang; Xu Wang) \|\| Coll. of Inf. Sci. & Eng., Northeastern Univ., Shenyang, China (Yan Xing; Dan Yang)
Abstract	Servo motors have been widely used in medical equipment, but servo motors have the large torque and flux linkage ripple in the conventional direct torque control (DTC). The stator flux linkage estimation in the conventional DTC also needs the integration of the back electromotive force (back-emf), and is largely affected by the value of the stator resistance. The application of the extended Kalman filter (EKF) in the aspect of estimating stator flux linkage is studied in this paper, reducing the torque and flux linkage ripple and eliminating the integration of the back-emf. The simulation results indicate that the proposed method not only does well in the speed, the rotor position and the stator flux linkage estimation, but also is robust to the stator resistance.
Sponsorship	IEEE Circuits Syst. Soc.
Starting Page	1065
Ending Page	1069
File Size	295865
Page Count	5
File Format	PDF
ISBN	9781467352536
DOI	10.1109/FSKD.2013.6816354
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-23
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Couplings the direct torque control Torque the stator flux linkage estimation Rotors medical equipments Stators the extended Kalman filter Permanent magnet motors Synchronous motors Servomotors permanent magnet synchronous servo motors
Content Type	Text
Resource Type	Article

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