Sensorless Direct Torque Control of Induction Motors Used in Electric Vehicle

Faiz,; Sharifian,; Keyhani,; Proca,

doi:10.1109/mper.2002.4312566

Cited by 12 publications

(17 citation statements)

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“…The input of the motor controller is the reference speed, which is directly applied by the pedal of the vehicle. Control is carried out by hysteresis comparators and a switching logic table selecting the appropriate voltage inverter switching configurations [6]. Fig.…”

Section: Dtcmentioning

confidence: 99%

A Loss-Minimization DTC Scheme for EV Induction Motors

Haddoun

Benbouzid

Diallo

et al. 2007

IEEE Trans. Veh. Technol.

125

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Abstract-This paper proposes a strategy to minimize the losses of an induction motor propelling an electric vehicle (EV). The proposed control strategy, which is based on a direct flux and torque control scheme, utilizes the stator flux as a control variable, and the flux level is selected in accordance with the torque demand of the EV to achieve the efficiency-optimized drive performance. Moreover, among EV's motor electric propulsion features, the energy efficiency is a basic characteristic that is influenced by vehicle dynamics and system architecture. For this reason, the EV dynamics are taken into account. Simulation tests have been carried out on a 1.1-kW EV induction motor drive to evaluate the consistency and the performance of the proposed control approach.

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Section: Dtcmentioning

confidence: 99%

A Loss-Minimization DTC Scheme for EV Induction Motors

Haddoun

Benbouzid

Diallo

et al. 2007

IEEE Trans. Veh. Technol.

125

View full text Add to dashboard Cite

show abstract

“…Advantages of sensorless drives are operation under harsh environment, improvement of fault-tolerance, ease of maintenance, saving of mounting space, and so on. Owing to these advantages, sensorless motor drives are effective not only for motion transmission but also in various fields of industry (5) (6) . There are several types of sensorless motor drive.…”

Section: Introductionmentioning

confidence: 99%

Position and Torque Sensorless Motion Transmission Using Voltage Compensation

et al. 2018

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This paper aims to realize position and torque sensorless motion transmission between a generator and a motor. The proposed voltage compensation method requires only one current sensor on the generator side. Since the motor side is completely sensorless, this system is suitable for operation under harsh environments. Comparative analyses indicate that the proposed method satisfies the conditions for the transmission of an actual tactile sensation. Simulations and experiments confirmed that motion transmission is realized using the proposed method.

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“…But the interpretation of the desired torque not only depends on the accelerator pedal but also the time‐varying driving conditions and motor parameters. Though there have been many studies on the control method of the induction motor for EVs , few studies concern the calculation of the desired torque or speed. In , a trained neural network is used to estimate the desired speed and torque of the EV induction machine drive.…”

Section: Introductionmentioning

confidence: 99%

Control strategy for motor drive system of electric vehicle

Xin

Shan

Yang

2016

IEEJ Transactions Elec Engng

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An induction motor drive system is widely used in electric vehicles (EVs). However, most control strategies of these EVs focus only on control of the induction motor without considering the switching of different driving conditions and the changing of motor parameters. The upper limits of the torque generated by the motor are different under different motor parameters and driving conditions, which may lead to the fluctuation of the driving torque and affect the comfort and safety of the driver. This paper proposes a vector-control-based flexible control strategy to deal with this problem. First, the threshold values of the automatic speed regulator (ASR) and the automatic voltage regulator (AVR) could change with respect to the state variables of the motor including the change in driving conditions and some motor parameters; second, a backward proportional integral controller, which has a dynamically adjustable threshold, is added to the output of the ASR and AVR to achieve the flexibility of driving torque. Finally, a calculator that has threshold value is added to the input of the ASR and AVR controller. The results of simulation show that the designed flexible control strategy can achieve the stability of motor current, torque, and speed during the switching of different driving conditions.

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Sensorless Direct Torque Control of Induction Motors Used in Electric Vehicle

Cited by 12 publications

References 0 publications

A Loss-Minimization DTC Scheme for EV Induction Motors

A Loss-Minimization DTC Scheme for EV Induction Motors

Position and Torque Sensorless Motion Transmission Using Voltage Compensation

Control strategy for motor drive system of electric vehicle

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