High-resolution rotor-position detection for green vehicle drives at halt condition with statistical view

Mazen M. A. Al Ibraheemi, Fatih J. Anayi, Zainb Hassan Radhy, Hayder Al Ibraheemi


Considerations around environmental pollution and green energy usage have led to environmentally-friendly machines being used in many industrial applications. Permanent magnet (PM) machines are the best solution to substitute the pollutant diesel-powered machines. In such machines, rotor position detection is crucial for safe startup operating. Meanwhile, encoderless controllers have become more reliable, over the years, in supporting the operation of PM machines. The key point, presented by this paper, is to introduce an improved positioning model to detect the rotor-position of interior permanent magnet synchronous machine at halt condition. To verify this objective, only two short duration pulses were injected into the stator windings. Then, the corresponding terminal voltage and current responses were measured and employed to create two memory address lines. Thereby, the memory cells, which contain the rotor position information, could be accessed. This detection model makes a significant improvement in rotor positioning detection of high resolution (1 degree) which represents lower value than most verified results in literature. The model was simulated and tested in a MATLAB/Simulink environment and shows an approximate accuracy 95%. Additionally, the statistical analysis was also employed to support the work outcomes.


halt position; IPMSM; memory and address lines; pulse injection; rotor position detection;

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DOI: http://doi.org/10.12928/telkomnika.v19i3.18794


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TELKOMNIKA Telecommunication, Computing, Electronics and Control
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