| Summary: | This paper proposes a numerical method using Taylor series in representing a new series motor of a four-quadrant drive direct current chopper (FQDC) in driving mode operation for electric vehicle’s application. The representation has three main purposes which are for troubleshooting, error correction and optimization. The Taylor series will be used to imitate the real system of a FQDC, but it is running in an embedded system such as a PIC microcontroller. Through this representation system, we can do a fault diagnose, error correction and system tuning without disturbing the real system on running. Once the optimization via representation is obtained, it can be applied to the real system. The representation system using Taylor series is tested using MATLAB/Simulink. The simulation results using MATLAB/Simulink show that the Taylor series computation algorithm successfully represents the FQDC in driving mode. © The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG 2020.
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