Abstract
AbstractPermanent magnet synchronous motors (PMSM) have high power density, stable output torque, low noise, and good speed regulation performance, making them very suitable for electric vehicle propulsion. In this paper, a PMSM controller, based on Renesas MCU, is designed. To meet the requirements of small size, lightweight, wide speed range, and power generation of the PMSM controller the design has been carried out from three aspects: hardware circuit, structural components, and software algorithm, including electronic component selection, hardware protection circuit, printed circuit board layout, control algorithm, structural strength, and the cooling channel. The controller prototype was produced and an experimental platform was built. The controller efficiency test, generator test, field weakening test, and temperature rise test were carried out. The experimental results verify the rationality of the design scheme. Compared with earlier motor controllers, this controller is small in size, light in weight with low cost.
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