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Sensors 2010, 10(3), 1918-1934; doi:10.3390/s100301918
Article

Position Error Compensation via a Variable Reluctance Sensor Applied to a Hybrid Vehicle Electric Machine

Received: 10 December 2009 / Revised: 8 February 2010 / Accepted: 20 February 2010 / Published: 9 March 2010
(This article belongs to the Section Physical Sensors)
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Abstract

In the automotive industry, electromagnetic variable reluctance (VR) sensors have been extensively used to measure engine position and speed through a toothed wheel mounted on the crankshaft. In this work, an application that already uses the VR sensing unit for engine and/or transmission has been chosen to infer, this time, the indirect position of the electric machine in a parallel Hybrid Electric Vehicle (HEV) system. A VR sensor has been chosen to correct the position of the electric machine, mainly because it may still become critical in the operation of HEVs to avoid possible vehicle failures during the start-up and on-the-road, especially when the machine is used with an internal combustion engine. The proposed method uses Chi-square test and is adaptive in a sense that it derives the compensation factors during the shaft operation and updates them in a timely fashion.
Keywords: position error compensation; variable reluctance sensor; hybrid electric vehicles; induction machine; chi-square test position error compensation; variable reluctance sensor; hybrid electric vehicles; induction machine; chi-square test
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Bucak, İ.Ö. Position Error Compensation via a Variable Reluctance Sensor Applied to a Hybrid Vehicle Electric Machine. Sensors 2010, 10, 1918-1934.

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