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Temperature estimation: permanent magnet temp - EurekAlert
Researchers at the School of Intelligent Systems Engineering in Sun Yat-sen University have developed a virtual position-offset injection based permanent magnet temperature (PMT) estimation approach for permanent magnet synchronous machines (PMSMs). Resistance and inverter distorted terms are cancelled in the estimation model, which can improve the robustness to the winding temperature rise and inverter distortion. The proposed approach can achieve simplified computation in temperature estimation and reduced memory usage in saturation compensation. Experiments results verified effectiveness of the proposed approach under various operating conditions.
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