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CLC number: U469.72

On-line Access: 2014-04-03

Received: 2013-11-23

Revision Accepted: 2014-02-23

Crosschecked: 2014-03-17

Cited: 6

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Citations:  Bibtex RefMan EndNote GB/T7714

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Journal of Zhejiang University SCIENCE A 2014 Vol.15 No.4 P.291-301

http://doi.org/10.1631/jzus.A1300356


Drivability improvements for a single-motor parallel hybid electric vehicle using robust controls*


Author(s):  Hu Zhang, Cun-lei Wang, Yong Zhang, Jun-yi Liang, Cheng-liang Yin

Affiliation(s):  . National Engineering Laboratory for Automotive Electronic Control Technology, Shanghai Jiao Tong University, Shanghai 200240, China

Corresponding email(s):   clwang@sjtu.edu.cn

Key Words:  Hybrid electric vehicle, Drivability, Mode transition, Robust control, Mu synthesis


Hu Zhang, Cun-lei Wang, Yong Zhang, Jun-yi Liang, Cheng-liang Yin. Drivability improvements for a single-motor parallel hybrid electric vehicle using robust controls[J]. Journal of Zhejiang University Science A, 2014, 15(4): 291-301.

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author="Hu Zhang, Cun-lei Wang, Yong Zhang, Jun-yi Liang, Cheng-liang Yin",
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volume="15",
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pages="291-301",
year="2014",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1300356"
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%A Yong Zhang
%A Jun-yi Liang
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%J Journal of Zhejiang University SCIENCE A
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A1 - Hu Zhang
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A1 - Cheng-liang Yin
J0 - Journal of Zhejiang University Science A
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A1300356


Abstract: 
For a single-motor parallel hybrid electric vehicle, during mode transitions (especially the transition from electric drive mode to engine/parallel drive mode, which requires the clutch engagement), the drivability of the vehicle will be significantly affected by a clutch torque induced disturbance, driveline oscillations and jerks which can occur without adequate controls. To improve vehicle drivability during mode transitions for a single-motor parallel hybrid electric vehicle, two controllers are proposed. The first controller is the engine-side controller for engine cranking/starting and speed synchronization. The second controller is the motor-side controller for achieving a smooth mode transition with reduced driveline oscillations and jerks under the clutch torque induced disturbance and system uncertainties. The controllers are all composed of a feed-forward control and a robust feedback control. The robust controllers are designed by using the mu synthesis method. In the design process, control-oriented system models that take account of various parameter uncertainties and un-modeled dynamics are used. The results of the simulation demonstrate the effectiveness of the proposed control algorithms.

基于鲁棒控制的一种单电机并联式混合动力电动汽车的驾驶性改善方法

研究目的:改善一种单电机并联式混合动力电动汽车的驾驶性能。
创新要点:1.建立面向控制器设计的系统模型,并且考虑系统参数的不确定性和CAN通讯延迟;2.设计基于mu综合的鲁棒控制器,减小了模式切换时车辆的冲击度,改善车辆的驾驶性能。
研究方法:1.将发动机端和电机端的控制解耦,并对其进行单独的控制设计(图5、8);2.发动机端控制主要用于发动机调速,电机端控制主要用于补偿离合器转矩对传动系造成的干扰;3.控制器设计时采用前馈控制和鲁棒控制结合的方法。
重要结论:通过采用鲁棒控制,使得一种单电机并联式混合动力电动汽车的驾驶性得到了改善。同时,在参数的不确定性和CAN通讯延迟的干扰下,整个系统依旧稳定运行且性能良好。

关键词:混合动力电动汽车;驾驶性;模式切换;鲁棒控制

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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