| 并联混合动力电动汽车最优控制及实例仿真 |
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| 引用本文： | 房立存,秦世引. 并联混合动力电动汽车最优控制及实例仿真[J]. 系统仿真学报, 2007, 19(1): 110-113,133 |
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| 作者姓名： | 房立存 秦世引 |
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| 作者单位： | 北京航空航天大学自动化科学与电气工程学院,北京,100083 |
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| 摘 要： | 实现并联混合动力电动汽车（PHEV）能量分配的优化控制是整车集成的关键．将燃油消耗最低为优化拉制目标的能量最优分配问题归纳为切换系统的最优控制问题，应用动态规划算法，分两步求解该切换系统的最优控制问题，得到转矩最优分配及换档的控制律，并将其应用于整车控制，通过计算机对实例进行仿真证实了该方法的有效性。
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| 关 键 词： | 混合动力电动汽车(HEV) 切换系统 最优控制 动态规划 |
| 文章编号： | 1004-731X（2007）01-0110-04 |
| 收稿时间： | 2005-09-23 |
| 修稿时间： | 2005-09-232006-09-14 |
Optimal Control Strategy and Case Simulation for Parallel Hybrid Electric Vehicle |
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| FANG Li-cun,QIN Shi-yin. Optimal Control Strategy and Case Simulation for Parallel Hybrid Electric Vehicle[J]. Journal of System Simulation, 2007, 19(1): 110-113,133 |
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| Authors: | FANG Li-cun QIN Shi-yin |
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| Affiliation: | School of Automation Science and Electrical Engineering, Beihang University, Beijing 100083, China |
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| Abstract: | The optimal power flow control is the key to the overall integration of parallel hybrid electric vehicles(PHEV).To achieve the objective of minimum fuel consumption,the optimal power flow of PHEV was formulated as optimal control problem of a switched system.In order to find both the optimal torque split control law and shifting strategy,the solution procedure was divided into two stages and the dynamic programming method was employed.Therefore the optimal feedback control law was utilized to implement torque split and gear shifting.Simulation results demonstrate the validity of the approach proposed. |
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| Keywords: | hybrid electric vehicle(HEV) switched system optimal control dynamic programming |
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