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Development of a Vehicle Control System for a Fuel Cell Hybrid Bus
Technical Paper
2008-01-1574
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
A vehicle control system basing on instantaneous energy optimization and series regenerative braking strategy was successfully developed for a fuel cell hybrid bus. The control system includes a vehicle control unit and other warning and measure systems. The control algorithm contains several blocks: start/stop, motor mode switch, diagnose and energy management. The movement of vehicle is divided into two parts: A) no braking process and B) braking process. An instantaneous equivalent hydrogen consumption optimization strategy was applied in process A. And in process B the braking energy was recovered partly so that the vehicle longitudinal dynamics would not be greatly affected. As a result, the fuel economy is improved from 9.6kg/100km to 7.9kg/100km in “China typical city bus cycle”.
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Authors
- Liang-fei Xu - State Key Laboratory of Automotive Safety and Energy, Tsinghua University
- Jian-feng Hua - State Key Laboratory of Automotive Safety and Energy, Tsinghua University
- Lei Bao - State Key Laboratory of Automotive Safety and Energy, Tsinghua University
- Jian-qiu Li - State Key Laboratory of Automotive Safety and Energy, Tsinghua University
- Ming-gao Ouyang - State Key Laboratory of Automotive Safety and Energy, Tsinghua University
Topic
Citation
Xu, L., Hua, J., Bao, L., Li, J. et al., "Development of a Vehicle Control System for a Fuel Cell Hybrid Bus," SAE Technical Paper 2008-01-1574, 2008, https://doi.org/10.4271/2008-01-1574.Also In
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