Optimal Efficiency and Automatic Current Commands Map Generator for an Interior Permanent Magnet Synchronous Motor in Electric Vehicles
Source abstract
Abstract
A systematic and highly efficient current commands generator for an interior permanent magnet synchronous motor (IPMSM) in electric vehicles is proposed. This paper integrates maximum torque per ampere (MTPA), maximum power control (MPC), and maximum torque per voltage (MTPV) criteria for optimal efficiency, and systematically establishes an optimal current control commands workflow. A rapid current commands mapping technique and an automatic high efficiency of all speed range current command generator are proposed. The automatically generated commands table can be effectively applied in a motor controller to reduce the energy consumption of an electric vehicle for all operating speed range. A graphical user interface (GUI) tool for the generator, which can automatically produce the current command (look-up tables, LUT) in an Excel format, is designed. High-speed field-weakening and zero-torque cruising (ZTC) in electric vehicles are also thoughtfully considered. By using the proposed method, motor controller designers can more rapidly adjust required motor current command tables and speed up the development period. Both GUI simulation and experimental results show the effectiveness and feasibility of the proposed method.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Electric Motor Design and Analysis · Sensorless Control of Electric Motors · Multilevel Inverters and Converters
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Electrical Engineering, Chung Yuan Christian University, Taoyuan 320314, Taiwan
Funding
Industrial Technology and Research Institute in Taiwan (R.O.C.) · National Science and Technology Council of Taiwan (R.O.C.)
References (30)
Show source-provided references
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