International Journal For Multidisciplinary Research

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Investigation on Effect of Nonlinear Parameters in torque accuracy of Permanent Magnet Synchronous Machines

Author(s) Sanal Kumar M
Country India
Abstract EVs and PHEVs are mainly driven by inverter control topologies which will be driving permanent magnet synchronous machines. PMSM is widely used for high drive performance. However, due to parameter variations high torque accuracy is not achieved. The performance of the PMSM drives is widely affected which is caused mainly due to environmental factors and aging. This would include component tolerance, input signal tolerance, machine parameters, software algorithms, sensor accuracy and calibration. It is important to understand these factors and make the tuning throughout the lifecycle since it may show performance deviations over the time and may lead to field complaints.
As a step-by-step procedure, the factors which affects the torque accuracy are identified as part of the literature review. This is given as input to a cause effect relationship model which could demonstrate the deviation points. Simulation is performed by varying the operating points at different regions in the e-drive system modeled in Matlab/Simulink. Simulation results are used with different operating points to find out the influential parameters contributing to the deviation.
The outcomes derived from the simulations are analyzed and dominant factors are determined. It is observed that this behavior will vary according to the changes in speed and torque. Correlation coefficient is derived from the statistical analysis. The future scope will be applying the optimization techniques and verification of improvements.
Keywords EV, PMSM, Torque accuracy, Field oriented control
Field Engineering
Published In Volume 6, Issue 5, September-October 2024
Published On 2024-10-29
Cite This Investigation on Effect of Nonlinear Parameters in torque accuracy of Permanent Magnet Synchronous Machines - Sanal Kumar M - IJFMR Volume 6, Issue 5, September-October 2024. DOI 10.36948/ijfmr.2024.v06i05.29597
DOI https://doi.org/10.36948/ijfmr.2024.v06i05.29597
Short DOI https://doi.org/g8p2tq
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