Speed and Position Observer for Non-sinusoidal PMSM Based on a PSD+PLL Structure

Rocha, Lucas Rossato; Araujo, Marcelo Back de; Silva, Eduardo Cattani; Scher, Luis Henrique Ost; Filho, Cesar José Volpato; Vieira, Rodrigo Padilha

doi:10.1007/s40313-021-00811-z

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2024

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Cited by 2 publications

References 25 publications

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Performance Comparison Between Discrete-time Differentiators for Sensorless PMSM Drives

de Moura,

Löbler,

Rech

et al. 2024

2024 16th Seminar on Power Electronics and Control (SEPOC)

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Performance Comparison Between Discrete-time Differentiators for Sensorless PMSM Drives

de Moura,

Löbler,

Rech

et al. 2024

2024 16th Seminar on Power Electronics and Control (SEPOC)

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A Novel Variable-Proportion Desaturation PI Control for Speed Regulation in Sensorless PMSM Drive System

et al. 2022

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The problem of integral saturation greatly restricts the engineering application of PID controller in AC speed regulator systems, which also affects the control performance of sensorless drive system with the phase-locked loop (PLL) structure. To address this, this paper proposes a novel variable-proportion desaturation PI (VPDPI) control method for permanent magnet synchronous motor (PMSM) sensorless drive system. Firstly, an overall scheme of sensorless control system with sliding mode observer (SMO)-PLL observer is presented, which includes the equivalent mathematical model and its parameter identification model of PMSM. Secondly, the control principle of the VPDPI algorithm is innovatively designed. Note that the novel regulator scheme consists of two interconnected components in terms of the concepts of threshold segmentation, i.e., the variable-proportion link and desaturation PI part. Meanwhile, the stability analysis of the regulator is further discussed by the root locus and the Bode diagram analysis. Finally, the numerical simulations of speed regulation are carried out under the various operation conditions, and the effectiveness of the proposed method is further verified by experimental platform. Several groups of comparative experiments reveal that the proposed method has a more higher control performance for the sensorless drive system, especially in the ability of overshoot suppression.

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Speed and Position Observer for Non-sinusoidal PMSM Based on a PSD+PLL Structure

Cited by 2 publications

References 25 publications

Performance Comparison Between Discrete-time Differentiators for Sensorless PMSM Drives

Performance Comparison Between Discrete-time Differentiators for Sensorless PMSM Drives

A Novel Variable-Proportion Desaturation PI Control for Speed Regulation in Sensorless PMSM Drive System

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