One method which is based on model to settle the long development cycle of driver motor control software is adopted for Electric Vehicle (EV). It is to achieve Field Oriented Control algorithm (FOC) designing, model building, and microcontroller driver integration, task scheduling, code generation; Model simulation experiments are completed aiming at three kinds of running conditions such as a constant speed, accelerating, on load; finally, these running conditions are realized in EV and dynamometer platform. Simulation and experimental results show FOC has a well performance on speed regulating by comparing technical parameters with Chang An Ben Ben Mini, adopting the method also shorten the development cycle of motor control software.
In this paper, the test bench for electric vehicle drive system is designed and the real-time display of speed, torque, current, voltage and other conventional parameters are realized that can offer lots of authentic data for motor performance evaluation, motor parametric design and optimizing control strategy. Road simulation is an important function in the test bench, so the paper analyses the driving electric vehicle in the longitudinal and gives the theoretical dynamometer dynamic output load values that can provide the theory reference for the further implementation of road conditions simulation based on LabVIEW. Finally, in order to validate the test bench feasibility, the start, accelerated and deceleration tests are implemented and show good performance of the bench.
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