Online Identification of Intrinsic Load Current Dependent Position Estimation Error for Sensorless PMSM Drives

Wang, Hechao; Lu, Kaiyuan; Wang, Dong; Blaabjerg, Frede

doi:10.1109/access.2020.3019690

Cited by 5 publications

(4 citation statements)

References 32 publications

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“…More recent studies focus on specific features of sensorless controls. For instance, [24] presents an on-line identification method to detect the load current at low speed regimes, which is affected by the position estimation error. In [25], an online parameter identification based on a high frequency (HF) equivalent impedance model is presented, allowing the use of the method either online or offline.…”

Section: Pmsm Parameter Estimation For Sensorless Foc Based On Differ...mentioning

confidence: 99%

PMSM Parameter Estimation for Sensorless FOC Based on Differential Power Factor

Candelo-Zuluaga

Riba

García

2021

IEEE Trans. Instrum. Meas.

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Section: Pmsm Parameter Estimation For Sensorless Foc Based On Differ...mentioning

confidence: 99%

PMSM Parameter Estimation for Sensorless FOC Based on Differential Power Factor

Candelo-Zuluaga

Riba

García

2021

IEEE Trans. Instrum. Meas.

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“…In applications of the position sensorless control for permanent-magnet synchronous motors (PMSMs) [1]- [4], the initial rotor position estimation method (IRPEM) is essential both to prevent the reversal of the rotor and to ensure the maximum electromagnetic torque output during the startup. The existing IRPEMs can be divided into two categories, i.e., high-frequency signals injection (HFSI) [5]- [12] and pulse signals injection (PSI) based methods [13]- [16].…”

Section: Introductionmentioning

confidence: 99%

An Improved Pulse Voltage Injection Based Initial Rotor Position Estimation Method for PMSM

Zang

et al. 2021

IEEE Access

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It's essential to obtain the initial rotor position of PMSM to prevent the reversal of the rotor and to ensure the maximum electromagnetic torque output during the startup process. An improved pulse-voltage injection-based initial rotor position estimation method is proposed in this paper. Different from the conventional pulse-voltage-injection-based method that only utilizes the information about the virtual d-axis current for the voltage vector injected to PMSMs, the information about the virtual q-axis current is also utilized in the proposed method to reduce the estimation errors caused by the current sampling errors. The experimental results indicate that the estimation accuracy can be greatly improved.

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“…Following this example, ref. [24] develops a sensorless online parameter estimation method to detect the load current when operating at low-speed regimes, which is mainly affected by the estimation error of the rotor position.…”

Section: Introductionmentioning

confidence: 99%

PMSM Torque-Speed-Efficiency Map Evaluation from Parameter Estimation Based on the Stand Still Test

2021

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During the last decades, a wide variety of methods to estimate permanent magnet synchronous motor (PMSM) performance have been developed. These methodologies have several advantages over conventional procedures, saving time and economic costs. This paper presents a new methodology to estimate the PMSM torque-speed-efficiency map based on the blocked rotor test using a single-phase voltage source. The methodology identifies the stator flux linkage depending on the current magnitude and angle while providing a detailed estimation of the iron losses. The torque-speed-efficiency map provides detailed information of the motor efficiency along its operating region, including the nominal conditions and the maximum power envelope. The proposed methodology does not require knowing the geometry of the machine to perform any load test, and it also avoids using expensive measurement devices and a complex experimental setup. Moreover, the proposed method allows the PMSM performance to be reproduced by applying different control strategies, which is useful when testing different drives. The method does not require the application of any optimization algorithm, thus simplifying and speeding up the process to determine the performance. Experimental validation is carried out by comparing motor performances obtained through the proposed method with those obtained by means of a conventional experimental method and against finite element analysis (FEA).

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Online Identification of Intrinsic Load Current Dependent Position Estimation Error for Sensorless PMSM Drives

Abstract: Date of publication xxxx 00, 0000, date of current version xxxx 00, 0000.

Cited by 5 publications

References 32 publications

PMSM Parameter Estimation for Sensorless FOC Based on Differential Power Factor

PMSM Parameter Estimation for Sensorless FOC Based on Differential Power Factor

An Improved Pulse Voltage Injection Based Initial Rotor Position Estimation Method for PMSM

PMSM Torque-Speed-Efficiency Map Evaluation from Parameter Estimation Based on the Stand Still Test

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