1.武汉理工大学 现代汽车零部件技术湖北省重点实验室, 湖北 武汉 430070
2.武汉理工大学 汽车零部件技术湖北省协同创新中心, 湖北 武汉 430070
3.东风商用车有限公司, 湖北 十堰 442001
杜常清(1975— ),男,湖北武汉人,博士,教授,主要从事车辆新能源及其动力装置研究。
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杜常清,张欢,曹锡良等.基于模型预测的P2混合动力AMT换挡后离合器结合控制策略[J].机械传动,2021,45(03):25-34.
Du Changqing,Zhang Huan,Cao Xiliang,et al.P2 Hybrid AMT Shift Clutch Engagement Control Strategy based on Model Prediction[J].Journal of Mechanical Transmission,2021,45(03):25-34.
杜常清,张欢,曹锡良等.基于模型预测的P2混合动力AMT换挡后离合器结合控制策略[J].机械传动,2021,45(03):25-34. DOI: 10.16578/j.issn.1004.2539.2021.03.005.
Du Changqing,Zhang Huan,Cao Xiliang,et al.P2 Hybrid AMT Shift Clutch Engagement Control Strategy based on Model Prediction[J].Journal of Mechanical Transmission,2021,45(03):25-34. DOI: 10.16578/j.issn.1004.2539.2021.03.005.
AMT换挡后的离合器结合过程控制好坏对系统冲击有较大的影响,针对P2型单轴并联混合动力汽车离合器的结合过程中,离合器接合阶段离合器尽快接合和冲击度尽可能小这两个控制目标,分析了不同驱动模式下换挡离合器接合阶段动力学过程,设计了基于模型预测控制的离合器接合控制策略,搭建了Amesim-Simulink联合仿真模型对控制策略进行仿真分析,并将模型预测控制的效果与模糊PID控制进行了比较。结果表明,模型预测控制方法虽然会使离合器接合时间在可接受的范围内略微增加,但滑磨功和冲击度会不同程度的减少。其中,冲击度的减少尤为明显,在发动机单独驱动时冲击度减少43%,混合驱动时冲击度减少35%。
The engagement process control quality of the clutch after AMT shift has a great influence on the impact of the system. For the engagement process of the P2 single-shaft parallel hybrid vehicle clutch, the two control targets of the clutch is engaged as soon as possible during the clutch engagement phase and the impact is as small as possible, the dynamics process of the clutch engagement phase in different driving modes is analyzed, a clutch engagement control strategy based on model predictive control is designed, an Amesim-Simulink joint simulation model is built to simulate and analyze the control strategy. The effect of predictive control is compared with the fuzzy PID control. The results show that the model predictive control method will slightly increase the clutch engagement time within an acceptable range, and the slip wear and impact will be reduced to varying degrees, of which the reduction in impact is particularly obviously, the degree of impact is reduced by 43% when the engine is driven alone, and by 35% when the drive is hybrid.
混合动力汽车模型预测控制离合器接合
Hybrid vehicleModel predictive controlClutch engagement
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