Optimal control of mode transition for four-wheel-drive hybrid electric vehicle with dry dual-clutch transmission
Optimal control of mode transition for four-wheel-drive hybrid electric vehicle with dry dual-clutch transmission
复制标题
干式双离合四轮驱动混合动力汽车模式转换优化控制
DOI：
10.1016/j.ymssp.2017.11.041
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发表时间：
2018-05
影响因子：
8.4
通讯作者：
Li Hangyu
中科院分区：
文献类型：
--
作者：
Zhao Zhiguo;Lei Dan;Chen Jiayi;Li Hangyu
配备干式双离合变速器（DCT）的四轮驱动混合动力汽车（HEV）在从纯电动后轮驱动到发动机前轮驱动或混合动力前轮驱动的模式转换过程中，车辆纵向急动问题比较突出。充分利用三个动力源快速、准确的转矩（或速度）响应特性，使DCT离合器充分参与模式转换过程，提出了一种抗外部干扰和模型参数波动的模式转换鲁棒控制算法。首先，建立了动力传动系统关键部件的模型，并采用Uni-Tire模型建立了五自由度整车纵向动力学模型。其次，提出了一种多级最优控制方法，实现了发动机扭矩和离合器传递扭矩的决策。在发动机转速拖升阶段，提出了可测扰动滑模控制策略。同时，在速度同步阶段，提出了模型计算前馈控制与H∞鲁棒反馈控制相结合的双跟踪控制结构。Matlab/Simulink软件和硬件在环试验结果均表明，所提出的模式转换控制策略不仅能在最小化车辆纵向冲击的同时协调不同动力源和离合器之间的转矩，而且对模型不确定性和外部干扰具有较强的鲁棒性。
When the four-wheel-drive hybrid electric vehicle (HEV) equipped with a dry dual clutch transmission (DCT) is in the mode transition process from pure electrical rear wheel drive to front wheel drive with engine or hybrid drive, the problem of vehicle longitudinal jerk is prominent. A mode transition robust control algorithm which resists external disturbance and model parameter fluctuation has been developed, by taking full advantage of fast and accurate torque (or speed) response of three electrical power sources and getting the clutch of DCT fully involved in the mode transition process. Firstly, models of key components of driveline system have been established, and the model of five-degrees-of-freedom vehicle longitudinal dynamics has been built by using a Uni-Tire model. Next, a multistage optimal control method has been produced to realize the decision of engine torque and clutch-transmitted torque. The sliding-mode control strategy for measurable disturbance has been proposed at the stage of engine speed dragged up. Meanwhile, the double tracking control architecture that integrates the model calculating feedforward control with H∞robust feedback control has been presented at the stage of speed synchronization. Finally, the results from Matlab/Simulink software and hardware-in-the-loop test both demonstrate that the proposed control strategy for mode transition can not only coordinate the torque among different power sources and clutch while minimizing vehicle longitudinal jerk, but also provide strong robustness to model uncertainties and external disturbance.
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影响因子：
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作者：
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DOI：
10.1109/icias.2012.6306082
发表时间：
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期刊：
2012 4th International Conference on Intelligent and Advanced Systems (ICIAS2012)
影响因子：
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