| 基于颤振补偿的集成式电子液压制动系统控制 |
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| 引用本文： | 余卓平,徐松云,熊璐,广学令.基于颤振补偿的集成式电子液压制动系统控制[J].同济大学学报(自然科学版),2015,43(7):1063-1068. |
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| 作者姓名： | 余卓平 徐松云 熊璐 广学令 |
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| 作者单位： | 同济大学 汽车学院，上海 201804；同济大学 新能源汽车工程中心，上海 201804,同济大学 汽车学院，上海 201804；同济大学 新能源汽车工程中心，上海 201804,同济大学 汽车学院，上海 201804；同济大学 新能源汽车工程中心，上海 201804,同济大学 汽车学院，上海 201804；同济大学 新能源汽车工程中心，上海 201804 |
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| 基金项目： | 国家重点基础研究发展计划资助项目(973计划,2011CB711200) |
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| 摘 要： | 基于试验,分析了集成式电子液压制动(I-EHB)系统的特性,并提出了利用颤振进行摩擦力补偿.建立了系统数学模型,并进行了试验验证.结果表明:进行颤振补偿后,摩擦爬行现象消失,系统的线性度提高,同时增减压转换过程中的死区现象消失;系统截止频率从4.5Hz提升到7.0Hz,提高了55.6%;系统对于不同信号的跟踪性能分别提高30.9%,59.3%和47.6%.
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| 关 键 词： | 集成式电子液压制动(I-EHB)系统 摩擦颤振补偿 液压力控制 |
| 收稿时间： | 7/5/2014 12:00:00 AM |
| 修稿时间： | 2015/3/23 0:00:00 |
Control System of Integrated Electro hydraulic Brake System Based on Chatter compensation |
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| YU Zhuoping,XU Songyun,XIONG Lu and GUANG Xueling.Control System of Integrated Electro hydraulic Brake System Based on Chatter compensation[J].Journal of Tongji University(Natural Science),2015,43(7):1063-1068. |
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| Authors: | YU Zhuoping XU Songyun XIONG Lu and GUANG Xueling |
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| Institution: | School of Automotive Studies, Tongji University, Shanghai 201804, China;New Clean Energy Automotive Engineering Center, Tongji University, Shanghai 201804, China,School of Automotive Studies, Tongji University, Shanghai 201804, China;New Clean Energy Automotive Engineering Center, Tongji University, Shanghai 201804, China,School of Automotive Studies, Tongji University, Shanghai 201804, China;New Clean Energy Automotive Engineering Center, Tongji University, Shanghai 201804, China and School of Automotive Studies, Tongji University, Shanghai 201804, China;New Clean Energy Automotive Engineering Center, Tongji University, Shanghai 201804, China |
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| Abstract: | The characteristics of integrated electro hydraulic brake(I EHB) system were analyzed based on experiments and friction chatter compensation was proposed. Then, a mathematical model was built and experiments were conducted. The experimental results show that low speed creeping is eliminated by using the chatter compensation. Meanwhile, the linearity is increased and the dead zone during the conversion between pressure increasing and decreasing is eliminated. In addition, the cut off frequency is increased by 55.6% from 4.5 Hz to 7.0 Hz, and the tracking performance is increased by 30.9%, 59.5% and 47.8% for different aim signals. |
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| Keywords: | integrated electro hydraulic brake(I EHB) system friction chatter compensation hydraulic pressure control |
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