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Study on Driving Motor Control System of Hybrid Electric Vehicle

Author: CaoMingZhu
Tutor: FengNengLian
School: Anhui Agricultural University
Course: Agricultural Mechanization Engineering
Keywords: Hybrid Brushless DC motor Rapid Control Prototyping Hardware in the Loop
CLC: U482
Type: Master's thesis
Year: 2006
Downloads: 645
Quote: 2
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Abstract


Energy depletion and environmental pollution problems have become increasingly prominent, people turned to pure electric cars and hybrid electric cars. The pure electric vehicle battery technology remains to be further improved, resulting in pure electric vehicles there are still some distance from the market-oriented objectives, development of hybrid electric vehicles is significant. Hybrid electric vehicles, while using the drive motor and the engine as a power plant, two power plant organic coordination matching work through state-of-the-art control system to achieve optimum energy allocation to achieve low power consumption, low pollution and high degree of automation. Thus, the control is one of the key technologies of hybrid electric vehicles and their components. Modern electronic control unit development process - V model using computer-aided tools can support the whole process until the final product from the requirements definition. V mode to the development of the electronic control unit can shorten the development cycle, reduce development costs, and dSPACE simulation platform is an important tool to support this process. One of the key technologies for hybrid electric vehicles - driving motor control using dSPACE simulation platform, a more comprehensive study with reference to the V mode. The main content of the paper include: based graphical modeling tool Matlab / Simulink established a series hybrid electric vehicle system simulation model, and simulate its performance; elaborate hybrid electric vehicle drive motor - brushless DC motor the control unit of the modeling process, establish the motor control unit in accordance with the design of the control algorithm matlab / simulink simulation model, using dSPACE simulation platform to build motor rapid control prototyping system and conducted experiments; analysis of the brushless DC motor control system structure and working principle based on the motor controller hardware and software design; model of a brushless DC motor using dSPACE simulation platform for the digital simulation of brushless DC motor system and motor control system hardware in the loop simulation; build a hybrid electric vehicle test platform, real vehicle test. By experiment and theoretical analysis, the following conclusions: 1. Series hybrid electric vehicles running hybrid can improve efficiency in the use of the battery, extend battery life, and its significantly increase the driving range on a single charge. 2. Established motor rapid control prototyping system can quickly verify the validity of the motor control algorithm, the experimental results show that, the motor control algorithm is designed in this paper can achieve motor control, and laid the foundation for the realization of the motor control system. 3. Modular design concept, the development of the motor control system, hardware and software, and hardware in the loop simulation experiments, the experimental results show good control. 4. Build a hybrid electric vehicle test platform, real vehicle test, the test results show that the design of the motor control system able to achieve effective control of the motor.

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