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Article Dans Une Revue ISA Transactions Année : 2013

An Improved Fault-Tolerant Control Scheme for PWM Inverter-Fed Induction Motor-Based EVs

Résumé

This paper proposes an improved fault-tolerant control scheme for PWM inverter-fed induction motor-based electric vehicles. The proposed strategy deals with power switch (IGBTs) failures mitigation within a reconfigurable induction motor control. To increase the vehicle powertrain reliability regarding IGBT open-circuit failures, 4-wire and 4-leg PWM inverter topologies are investigated and their performances discussed in a vehicle context. The proposed fault-tolerant topologies require only minimum hardware modifications to the conventional off-the-shelf six-switch three-phase drive, mitigating the IGBTs failures by specific inverter control. Indeed, the two topologies exploit the induction motor neutral accessibility for fault-tolerant purposes. The 4-wire topology uses then classical hysteresis controllers to account for the IGBT failures. The 4-leg topology, meanwhile, uses a specific 3D space vector PWM to handle vehicle requirements in terms of size (DC bus capacitors) and cost (IGBTs number). Experiments on an induction motor drive and simulations on an electric vehicle are carried-out using a European urban driving cycle to show that the proposed fault-tolerant control approach is effective and provides a simple configuration with high performance in terms of speed and torque responses.
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Dates et versions

hal-00926206 , version 1 (09-01-2014)

Identifiants

  • HAL Id : hal-00926206 , version 1

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Bekheira Tabbache, Mohamed Benbouzid, Abdelaziz Kheloui, Jean-Matthieu Bourgeot, Abdeslam Mamoune. An Improved Fault-Tolerant Control Scheme for PWM Inverter-Fed Induction Motor-Based EVs. ISA Transactions, 2013, 52 (6), pp.862-869. ⟨hal-00926206⟩
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