Trends in education, 2009 (vol. 2), issue 1
TVV 2009, 2(1):386-389
THE TACHOGENERATORLESS SPEED CONTROL SYSTEM
- Katedra matematiky, informatiky a fax 00 v Košiciach,, Fakulta výrobných technológií so sídlom v, Prešove,, Bayerova 1, 080 01, Prešov, SR
The speed control system of an externally-excited DC motor without tachogenerator (TG) is actually a discrete control circuit where the motor current is intentionally cut-off so that the induced armature voltage may be sensed. This voltage (proportional to the angular speed of a motor) is stored in analog memory during one sample period and processed by the speed controller. That's how the speed control of a motor without TG is carried out - angular speed is sensed by the motor itself.
Keywords: Tachogenerator, analog memory, controller, control system, discrete control circuit.
Published: July 1, 2009 Show citation
References
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