Performance analysis of FOC and DTC for PMSM drives using SVPWM technique

Abassi, Moez; Khlaief, Amor; Saadaoui, Oussama; Châari, Abdelkader; Boussak, Mohamed

doi:10.1109/sta.2015.7505167

Cited by 72 publications

(33 citation statements)

References 3 publications

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“…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.…”

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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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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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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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“…The methodology is briefly summarized [16,17]. A proportional integral (PI) controller is used to achieve the desired system response in a closed-control loop.…”

Section: Principle Of Focmentioning

confidence: 99%

Sensorless Driving/Braking Control for Electric Vehicles

Chen

Cheng

et al. 2020

Actuators

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A sensorless driving/braking control system for electric vehicles is explained in the present paper. In the proposed system, a field-oriented control (FOC) was used to integrate driving and braking controls in a unified module for reducing the cost of hardware and simultaneously incorporating functional flexibility. An antilock braking system can swiftly halt a vehicle during emergency braking. An electromagnetic reverse braking scheme that provided retarding torque to a running wheel was developed. The scheme could switch the state of the MOSFETs used in the system by alternating the duty cycle of pulse width modulation to adjust the braking current generated by the back electromotive force (EMF) of the motor. In addition, because the braking energy required for the electromagnetic braking scheme is related only to the back EMF, the vehicle operator can control the braking force and safely stop an electric vehicle at high speeds. The proposed integrated sensorless driving and electromagnetic braking system was verified experimentally.

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“…The FOC strategy, see Figure 8, is strictly dependent on the motor electrical parameters, requires long computation time and high switching frequency of the inverter. Instead, the DTC strategy (see Figure 9) is a more robust technique that needs very low computation time and ensures acceptable results even at low switching frequency [64]. A fast torque response can be obtained by means of DTC, due to "direct" interaction of machine electromagnetic quantities (torque and flux) and selected voltage space-vector [65].…”

Section: Control Strategymentioning

confidence: 99%

Overview of Main Electric Subsystems of Zero-Emission Vehicles

Dannier¹

2019

Propulsion Systems

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The rapid growth of the electric vehicle market has stimulated the attention of power electronics and electric machine experts in order to find increasingly efficient solutions to the demands of this application. The constraints of space, weight, reliability, performance, and autonomy for the power train of the electric vehicle (EV) have increased the attention of scientific research in order to find more and more appropriate technological solutions. In this chapter, it proposes a focus on the main subsystems that make a zero-emission vehicle (ZEV), examining current features and topological configurations proposed in the literature. This analysis is preliminary to the various electric vehicle architectures proposed in the final paragraph. In particular, the electric drive represents the core of the electric vehicle propulsion. It is realized by different subsystems that have a single mission: ensure the requested power/energy based on the operating condition. Particular attention will be devoted to power subsystems, which are the fundamental elements to improving the performance of the ZEV.

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Performance analysis of FOC and DTC for PMSM drives using SVPWM technique

Cited by 72 publications

References 3 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

Sensorless Driving/Braking Control for Electric Vehicles

Overview of Main Electric Subsystems of Zero-Emission Vehicles

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