Journal Article10.1109/28.90357
Application characteristics of permanent magnet synchronous and brushless DC motors for servo drives
Pragasen Pillay,R. Krishnan +1 more
462
TL;DR: In this paper, the authors compare the performance of the permanent magnet synchronous motor (PMSM) and the brushless DC motor (BDCM) on the basis of known engineering criteria such as power density, torque per unit current, speed range, feedback devices, inverter rating, cogging torque, ripple torque and parameter sensitivity.
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Abstract: The permanent magnet synchronous motor (PMSM) and the brushless DC motor (BDCM) have many similarities; they both have permanent magnets on the rotor and require alternating stator currents to produce constant torque. For application considerations, these two motor drives have to be differentiated on the basis of known engineering criteria. Some of the criteria used to assess these two machines include power density, torque per unit current, speed range, feedback devices, inverter rating, cogging torque, ripple torque, and parameter sensitivity. Guidelines for the appropriate machine to be used for a given application are given based on the results of the criteria. >
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Citations
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References
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TL;DR: In this paper, the torque characteristics of brushless dc motors are studied in terms of the EMF and the feed currents for two feeding schemes: two-phase feeding and threephase feeding.
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Design and Experimental Results of a Brushless AC Servo Drive
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Study of Parameter Sensitivity in High-Performance Inverter-Fed Induction Motor Drive Systems
R. Krishnan,Frank C. Doran +1 more
TL;DR: In this paper, the position of the rotor flux is measured in the direct scheme and estimated in the indirect scheme, all of which are all machine-parameter dependent, and analytical expressions are derived to evaluate the effects due to parameter sensitivity.
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