A low cost sense coil based position sensing system for SRM implemented in a SoC FPGA

Reddy, Battu Prakash and Murali, Ashwin and K, Siva Kumar (2017) A low cost sense coil based position sensing system for SRM implemented in a SoC FPGA. In: 43rd Annual Conference of the IEEE Industrial Electronics Society, IECON 2017, 29 October-01 November 2017, Beijing, China.

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Abstract

This paper proposes a technique to control a switched reluctance motor (SRM) using sense coils for rotor position sensing. The method uses sense coils wound on the stator poles along with an exciter coil. The high frequency signal injected from exciter coil is extracted from the search coils and are rectified and filtered to obtain the inductance. A SoC FPGA is used to read the sense coils signals and decide the phase commutation strategy. This technique can be used even at standstill to start the motor. This makes it more reliable than sensorless methods and makes it well suited for automotive applications.

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IITH Creators:
IITH CreatorsORCiD
K, Siva KumarUNSPECIFIED
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: FPGASearch coilsSwitched reluctance motorSystem on Chip (key words)
Subjects: Electrical Engineering
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 28 May 2018 10:59
Last Modified: 28 May 2018 10:59
URI: http://raiith.iith.ac.in/id/eprint/3968
Publisher URL: http://doi.org/10.1109/IECON.2017.8217152
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