A Novel Control Method of Clutch During Mode Transition of Single-Shaft Parallel Hybrid Electric Vehicles
A Novel Control Method of Clutch During Mode Transition of Single-Shaft Parallel Hybrid Electric Vehicles
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单轴并联混合动力汽车模式转换时离合器的新型控制方法
DOI：
10.3390/electronics9010054
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发表时间：
2019-12
期刊：
影响因子：
2.9
通讯作者：
Xiaohong Jiao
中科院分区：
文献类型：
--
作者：
Jingang Ding;Xiaohong Jiao
单轴并联混合动力汽车发动机与电机之间的模式转换对其动力性和驾驶性能有重要影响。特别是在由纯电机驱动向纯发动机驱动模式过渡的过程中，电机启动发动机和离合器控制问题对行驶质量有重要影响，解决方案在动力性能方面还有一定的提升空间。本文提出了一种新的模式转换控制方法，以保证这方面的模式转换过程快速平稳。首先，提出了一种自适应滑模控制（A-SMC）策略，以获得离合器变速器所需的转矩轨迹。其次，设计了一个比例积分（PI）观测器来估计离合器的实际传递扭矩。同时，采用分数阶比例-积分-微分（FOPID）控制器，通过粒子群优化（PSO）优化控制参数，实现直流电机离合器的精确位置跟踪，保证离合器传递转矩跟踪。最后，在MATLAB环境下与传统控制策略进行了对比，验证了所提控制方法的有效性和对系统参数摄动的适应性。仿真结果表明，采用该控制方法的闭环系统由于模式转换过程快速平稳，具有较好的自适应性，驱动质量明显提高。
The mode transition of single-shaft parallel hybrid electric vehicles (HEVs) between engine and motor has an important impact on power and drivability. Especially, in the process of mode transition from the pure motor-drive operating mode to the only engine-drive operating mode, the motor starting engine and the clutch control problem have an important influence on driving quality, and solutions have a bit of room for improving dynamic performance. In this paper, a novel mode transition control method is proposed to guarantee a fast and smooth mode transition process in this regard. First, an adaptive sliding mode control (A-SMC) strategy is presented to obtain the desired torque trajectory of the clutch transmission. Second, a proportional-integral (PI) observer is designed to estimate the actual transmission torque of the clutch. Meanwhile, a fractional order proportional-integral-differential (FOPID) controller with the optimized control parameters by particle swarm optimization (PSO) is employed to realize the accurate position tracking of the direct current (DC) motor clutch so as to ensure clutch transmission torque tracking. Finally, the effectiveness and adaptability to system parameter perturbation of the proposed control approach are verified by comparison with the traditional control strategy in a MATLAB environment. The simulation results show that the driving quality of the closed-loop system using the proposed control approach is obviously improved due to fast and smooth mode transition process and better adaptability.
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DOI：
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发表时间：
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