Minimizing Torque and Flux Ripples and Improving Dynamic Response of PMSM Using a Voltage Vector With Optimal Parameters

Vafaie, Mohammad Hossein; Dehkordi, Behzad Mirzaeian; Moallem, Payman; Kiyoumarsi, Arash

doi:10.1109/tie.2015.2497251

Cited by 81 publications

(51 citation statements)

References 27 publications

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“…The amplitude and the angle of the stator flux vector are calculated according to (27) and (28). Fig.…”

Section: Mdtc-svmmentioning

confidence: 99%

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A Novel Modified DTC-SVM Method with Better Overload-capability for Permanent Magnet Synchronous Motor Servo Drives

Vajsz¹,

Számel²,

Rácz³

2017

Period. Polytech. Elec. Eng. Comp. Sci.

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Direct torque control with space vector modulation (DTC-SVM IntroductionDirect torque control with space vector modulation is a modification of the original direct torque control (DTC) method [1][2][3]. The excellent dynamic torque-control capabilities of traditional DTC are well known in the literature for permanent magnet synchronous motors and for other motor types as well [4][5][6][7][8][9]. However, there are serious disadvantages and among them the most important are: varying switching frequency and the excessive amount of torque-ripple generated [10][11][12]. DTC-SVM solves these problems, as it uses fixed switching frequency and the torque-ripple is significantly reduced compared to DTC, while the dynamics of the torque-control is essentially identical to that of traditional DTC [13][14][15]. Therefore, DTC-SVM is currently considered as one of the most promising alternatives of the nowadays widely used field-oriented control [16,17].DTC-SVM was introduced in [1][2][3]. These publications highlighted the main advantages of DTC-SVM. Since then many investigations have been carried out for this method. Special applications requiring high dynamic performance, excellent efficiency and high precision have been examined such as artillery speed servo systems [18], electric vehicles [19], electric pitch servo systems for wind generators [20]. Also, asymmetric permanent magnet synchronous machines have been investigated and special solutions have been invented for these machines [21]. In order to improve the performance of DTC-SVM several modifications have been developed. Most of the modifications aim at reducing the torque-ripple, increasing the dynamic performance and the efficiency of the method [22][23][24][25][26][27][28]. Sensorless methods using extended Kalman-filter have also been invented [29].However, the overload-capabilities of DTC-SVM and its stability during overloading have not been investigated yet. This article deals with these issues and suggests a modified DTC-SVM (MDTC-SVM) method which has significantly improved overload-capabilities and it is stable during overloading.

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“…The amplitude and the angle of the stator flux vector are calculated according to (27) and (28). Fig.…”

Section: Mdtc-svmmentioning

confidence: 99%

“…In order to improve the performance of DTC-SVM several modifications have been developed. Most of the modifications aim at reducing the torque-ripple, increasing the dynamic performance and the efficiency of the method [22][23][24][25][26][27][28]. Sensorless methods using extended Kalman-filter have also been invented [29].…”

Section: Introductionmentioning

confidence: 99%

A Novel Modified DTC-SVM Method with Better Overload-capability for Permanent Magnet Synchronous Motor Servo Drives

Vajsz¹,

Számel²,

Rácz³

2017

Period. Polytech. Elec. Eng. Comp. Sci.

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“…Hence, the dynamic performance of a PMSM fed by a SiC voltage source inverter (VSI) is worthy of further investigation. Numerous research activities have been conducted to analyze different aspects of the dynamic response, such as frequency response, fast response, relative stability and robustness [15][16][17].…”

Section: Introductionmentioning

confidence: 99%

“…The dynamic performance analysis of a VSI-fed PMSM is based on state equations, with the d-and q-axis components of the stator currents and the rotor flux linkage as state variables [15]. A transfer function of the drive system was developed according to the state equations and control theory [18][19][20].…”

Section: Introductionmentioning

confidence: 99%

“…In addition to the sampling and microprocessor analysis, more research activities are currently conducted on the applied control strategies for improving the dynamic performance of PMSM drive systems [15,28,[33][34][35][36][37]. In [15], a new predictive direct torque control (DTC) method was developed, which is introduced to achieve the fastest dynamic response in the transient state compared to the conventional DTC method.…”

Section: Introductionmentioning

confidence: 99%

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Impact of Silicon Carbide Devices on the Dynamic Performance of Permanent Magnet Synchronous Motor Drive Systems for Electric Vehicles

Ding

Cheng

et al. 2017

Energies

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This paper investigates the impact of silicon carbide (SiC) metal oxide semiconductor field effect transistors (MOSFETs) on the dynamic performance of permanent magnet synchronous motor (PMSM) drive systems. The characteristics of SiC MOSFETs are evaluated experimentally taking into account temperature variations. Then the switching characteristics are firstly introduced into the transfer function of a SiC-inverter fed PMSM drive system. The main contribution of this paper is the investigation of the dynamic control performance features such as the fast response, the stability and the robustness of the drive system considering the characteristics of SiC MOSFETs. All the results of the SiC-drive system are compared to the silicon-(Si) insulated gate bipolar transistors (IGBTs) drive system counterpart, and the SiC-drive system manifests a higher dynamic performance than the Si-drive system. The analytical results have been effectively validated by experiments on a test bench.

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Model predictive control by combining vectors for surface and interior permanent‐magnet synchronous motor

Abareshi

Tohidi

Sharifian

et al. 2021

Int Trans Electr Energ Syst

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Summary Model predictive control has been introduced as a robust and high‐performance control method for the permanent‐magnet synchronous motor (PMSM) due to its accuracy, simplicity, and flexibility in the controlled variables. In this article, an optimized finite control set‐model predictive control method (FCS‐MPC) for the surface mounted and interior PMSM supplied by a 2‐level voltage source inverter (2L‐VSI) is proposed. In each sampling time of conventional FCS‐MPC, voltage is implemented only one time, which increases the motor's steady‐state errors. In order to decrease such errors, recently published papers have proposed combining two or three voltage vectors in a sampling time. Although using several combinations of voltage vectors increases the complexity, it leads to superior performance. In this article, a more desirable result is obtained by using combinations of five voltage vectors. In the proposed method, two extra candidates, in addition to the common choices, are added to each period, which leads to generating a voltage vector closer to the reference one and thereby, resulting in better performance. Moreover, the principle of dead‐beat control is used to accelerate the calculation; also proposed method calculates the duty cycle just for the selected vector instead of all vectors, so execution time decreases. The simulation results obtained by MATLAB/Simulink confirm the efficacy of the proposed MPC method.

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Minimizing Torque and Flux Ripples and Improving Dynamic Response of PMSM Using a Voltage Vector With Optimal Parameters

Cited by 81 publications

References 27 publications

A Novel Modified DTC-SVM Method with Better Overload-capability for Permanent Magnet Synchronous Motor Servo Drives

A Novel Modified DTC-SVM Method with Better Overload-capability for Permanent Magnet Synchronous Motor Servo Drives

Impact of Silicon Carbide Devices on the Dynamic Performance of Permanent Magnet Synchronous Motor Drive Systems for Electric Vehicles

Model predictive control by combining vectors for surface and interior permanent‐magnet synchronous motor

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