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An Investigation into Regenerative Braking Control Strategy for Hybrid Electric Vehicle 总被引:1,自引:1,他引:0
PENG Dong 《上海交通大学学报(英文版)》2005,10(4):407-412
Energy regeneration during braking is an important technique for hybrid electric vehicle (HEV) to improve their fuel economy and extend their driving range. Due to the effect of regenerative braking torque which is added by electric motor, the braking torque distribution between front and rear axles should be changed and the control logic of anti-lock braking system (ABS) ought to be adjusted according to the regenerative braking torque. This paper put forward a braking control strategy for hybrid electric vehicle; the control strategy is implemented with eight DOFs (Degree-of-Freedom) nonlinear vehicle forward simulation model which is built under the environment of Matlab/Simulink. Based on target wheel slip ratio, a fuzzy logic approach was applied to maintain the optimal target slip ratio so that best compromise between hydraulic torque and regenerative torque can be obtained for the vehicle. 相似文献
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对结构工程师来说,设计优化正变得日益重要。该文描述了一种结合机构法和遗传算法进行整体化设计优化的方法。前种方法是当前英国交通部采用的一种主要的计算拱的工具;后者是强有力的数值函数优化方法。文中显示了英国肯特Teston桥和一系列其它样本设计优化的试算结果及相关的算法有效性数据。建议本方法为涉及现存桥梁的评估、维护和修理及新拱桥设计的结构工程师的设计辅助工具。 相似文献
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