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Vol. 17, Special Issue, December 2012, pp. 208-216

 

Selected papers from the 4th International Conference on Intelligent & Advanced Systems (ICIAS' 2012),

12-14 June 2012, Malaysia, Kuala Lumpur

 

Bullet

 

DSP Sensorless Controller of Switched Reluctance Motor-Generator Approaching to AM Modulation
 

1 A. Moraveji, 1 A. Siadatan*, 2 E. Afjei, 3 M. Rafiee and 4 E. Zarei Ali Abadi

1 Department of Electrical Eng., West Tehran Branch, Islamic Azad University, Tehran, Iran

2 Department of Electrical Eng., Shahid Beheshti University G.C., Tehran, Iran

3 Young Researchers Club, West Tehran Branch, Islamic Azad University, Tehran, Iran

4 Technical Vocational University, Enghelab Eslami Technical Collage, Tehran, Iran

E-mail: a_moraveji@wtiau.ac.ir, a_siadatan@wtiau.ac.ir, e-afjei@sbu.ac.ir, rafiee.mehran@ieee.org, e_zareia@yahoo.com

* - Corresponding author

 

Received: 29 September 2012   /Accepted: 29 October 2012   /Published: 18 December 2012

Digital Sensors and Sensor Sysstems

 

Abstract: In this paper, a new method for sensorless starting and controlling of Switched Reluctance Motor-Generator (SRMG) is presented. The method uses Amplitude Modulation (AM) technique. The controller is used to control a new SRMG by two separated layers of 4 stator poles and 2 rotor poles. A DSP processor generates digital signal firstly which is then changed to low voltage sinusoidal signal by a digital to analog convertor (D/A). The signal is then given to the field-assisted windings of each phase of the motor. The response of the winding to the signal which includes the rotor location data is sampled which is after filtering and AM demodulation given to an analog to digital convertor (D/A). Then, the digital data is analyzed by the DSP and the rotation commands are generated and transmitted to the SRGM phase drivers. In the paper, the controller sections are explained and at the end, the performance results are presented.

 

Keywords: Switched Reluctance Motor-Generator, Sensorless, AM Modulation, DSP

 

 

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