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This report presents an algorithm for reference current calculation to minimize losses in electric vehicles with PMSM. The algorithm calculates the current set points explicitly through analytical expressions depending on the requested torque, the speed of the drive and the available DC voltage. The required machine parameters have been gathered from experimental data.
In this paper, a whole design of FPGA (Field-Programmable Gate Array) based control system for IPMSM (Interior Permanent Magnet Synchronous Motor) is presented. The IPMSM is now widespread for traction drive applications of electric vehicles (EVs) because of its high torque per volume ratio. In a DTC (Direct Torque Control) drive, flux linkage and electromagnetic torque are controlled directly and...
This report constitutes the third release of a project concerning the minimization of losses of a Permanent Magnet Synchronous Machine (PMSM) for an Hybrid Electric Vehicle (HEV) and introduces the first experimental results carried out on a prototype. The focus of the research is centred on the reduction of idle loss at high speed and low load via an asymmetrical rotor design with an inductance ratio...
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