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This paper describes an energy management strategy for an electric vehicle (EV). The proposed EV architecture contains a pack of the batteries which presents the energy source and a pack of the supercapacitors (SC) used as power source. The pack of the batteries produces the necessary energy to move forward the vehicle while the pack of the SC produces the lacking power in acceleration and in braking...
An adaptive flux weakening control scheme is proposed for the surface permanent magnet synchronous machine (PMSM). The method adaptively controls the demagnetizing current with changes in speed or load torque. The method does not require DC bus voltage sensing of the power converter and unsusceptible to the motor parameter changes. No requirement of bus voltage makes it suitable for voltage sensor...
This paper presents a leading angle flux-weakening control method for the wide-speed operation of permanent magnet synchronous motor (PMSM). The angle offset of flux-weakening is gained by integraling the error of given index and calculation index, which is the utilization of motor's terminal voltage to the voltage of DC bus, and then a voltage loop is established to maintain the stability of flux-weakening...
This paper mainly reports the research work on the drive system of permanent magnet synchronous motor (PMSM) with the aim of its application in the micro-electric vehicle (Mi-EV). An adaptive inverse control approach was used a vector controlled PMSM drive control system with uncertainties and external disturbances (the work condition variation). The drive system adopts two closed loop structure including...
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