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SENSORLESS DIGITAL SIGNAL PROCESSING CONTROL OF A TRAPEZOIDAL BRUSHLESS DIRECT CURRENT MOTOR
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| Author(s) |
S. D. Grainger; M. Allan; T. Westwood; R. Champaneri |
| Abstract |
This paper describes the theory and practice required to implement a sensorless, commutation scheme for a
trapezoidal brushless DC motor. It comprises a software algorithm running in real-time on a digital signal processor in order to determine rotor position and hence commutation points. This is desirable in order to eliminate the bulky, temperature sensitive sensors traditionally used. Replacing the traditional sensor has recently been the subject of many papers (Meshkat & Tessarolo [!], Naidu & Bose [2]) but most have stopped short of implementing their systems, instead presenting their results as simulations. In this instance the system has been implemented running in
real time on the Texas Instruments TMS320C25 digital signal processor (DSP). |
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| Filename: | Unnamed file |
| Filesize: | 302.8 KB |
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| Type |
Members Only |
| Date |
Last modified 2016-02-22 by System |
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