研究目的
To propose a model-based range extension control system for electric vehicles that optimizes the front and rear driving–braking force distributions by considering the slip ratio of the wheels and the motor loss.
研究成果
The proposed model-based range extension control system for electric vehicles effectively optimizes the front and rear driving–braking force distributions, considering slip ratio and motor loss. Bench and field tests confirmed the system's effectiveness in extending the cruising range of EVs and accurately measuring energy consumption. Future work will extend this method to four-wheel distribution.
研究不足
The study focused on front and rear force distribution and did not extend to four-wheel distribution. The effectiveness of the proposed system in high-speed operations was not fully verified due to limitations in the simulation model's iron loss representation.
1：Experimental Design and Method Selection:
The study involved designing a control system that optimizes the distribution of driving and braking forces between the front and rear wheels of an electric vehicle, considering slip ratio and motor loss.
2：Sample Selection and Data Sources:
The experiments were conducted using the original EV "FPEV-2 Kanon," which has four outer rotor-type in-wheel motors.
3：List of Experimental Equipment and Materials:
The vehicle specifications and in-wheel motor specifications were detailed, including efficiency maps.
4：Experimental Procedures and Operational Workflow:
Bench tests and field tests were conducted to evaluate the system's effectiveness, with the driving resistance measured and modeled for simulation and bench tests.
5：Data Analysis Methods:
The input power for changes in distribution ratio was analyzed, and loss separation was conducted to analyze the system's effectiveness.
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