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清华大学学报(自然科学版)  2016, Vol. 56 Issue (10): 1097-1103    DOI: 10.16511/j.cnki.qhdxxb.2016.22.045
  汽车工程 本期目录 | 过刊浏览 | 高级检索 |
考虑舒适性的电动汽车制动意图分类与识别方法
潘宁, 于良耀, 宋健
清华大学 汽车工程系, 汽车安全与节能国家重点实验室, 北京 100084
Braking intention classification and identification considering braking comfort for electric vehicles
PAN Ning, YU Liangyao, SONG Jian
State Key Laboratory of Automotive Safety and Energy, Department of Automotive Engineering, Tsinghua University, Beijing 100084, China
全文: PDF(1387 KB)  
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摘要 液压执行机构(HCU)在电动汽车上被广泛用作电液复合制动系统的液压力精确调节机构。为改善制动舒适性,需要采用合适的制动意图分类与识别方法。提出一种以提高舒适性为目的的制动意图分类方法,将制动意图分为常规减速、紧急制动和压力跟随,并根据分类结果控制液压执行机构;提出一种制动意图在线识别方法,用于在制动过程中在线识别制动意图的类别。该方法利用多传感器数据融合,使用神经网络对制动意图进行识别。仿真及试验结果表明,采用所提出的制动意图分类与识别方法后制动舒适性及安全性得以改善。
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潘宁
于良耀
宋健
关键词 制动意图识别电动汽车液压执行机构制动舒适性主动控制    
Abstract:Hydraulic control units (HCUs) are widely used as precise pressure regulators for the composite brakes in electric vehicles. The braking comfort can be improved by appropriate braking intention classification and identification. A braking intention classification method is developed to improve braking comfort that classifies the braking intention as normal deceleration, emergency braking and a pressure following pattern. The pressure control method is then based on the classification results. The on-line braking intention identification method uses multiple sensors and a neural network. Simulations and tests show that the braking comfort and safety are improved by this method.
Key wordsbraking intention identification    electric vehicle    hydraulic control unit    braking comfort    active control
收稿日期: 2015-11-17      出版日期: 2016-10-15
ZTFLH:  U463.5  
通讯作者: 于良耀,副研究员,E-mail:yly@tsinghua.edu.cn     E-mail: yly@tsinghua.edu.cn
引用本文:   
潘宁, 于良耀, 宋健. 考虑舒适性的电动汽车制动意图分类与识别方法[J]. 清华大学学报(自然科学版), 2016, 56(10): 1097-1103.
PAN Ning, YU Liangyao, SONG Jian. Braking intention classification and identification considering braking comfort for electric vehicles. Journal of Tsinghua University(Science and Technology), 2016, 56(10): 1097-1103.
链接本文:  
http://jst.tsinghuajournals.com/CN/10.16511/j.cnki.qhdxxb.2016.22.045  或          http://jst.tsinghuajournals.com/CN/Y2016/V56/I10/1097
  图 某种电动汽车制动系统结构方案
  图 BP神经网络结构进行制动意图识别
  图 制动意图在线识别方法
  图 常规减速模式仿真结果
  图 传统制动力控制仿真结果(采用图4工况)
  表 常规减速模式与未采用制动意图识别下电磁阀平均动作次数对比
  图 压力跟随模式仿真结果
  图紧急制动模式仿真结果
  图 传统制动力控制仿真结果(采用图7工况)
  图 常规减速模式试验结果
  图10 紧急制动模式试验结果
  图11 压力跟随模式试验结果
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