基于离合器接合速度的重型越野车辆起步控制研究

doi:10.3969/j.issn.1000-1093.2015.05.001

兵工学报 ›› 2015, Vol. 36 ›› Issue (5): 769-776.doi: 10.3969/j.issn.1000-1093.2015.05.001

• 论文 • 下一篇

基于离合器接合速度的重型越野车辆起步控制研究

苗成生¹，刘海鸥¹，赵亦农¹，岳甫营^1，2，陈慧岩¹

（1.北京理工大学车辆传动国防科技重点实验室北京 100081; 2.上海汽车集团股份有限公司技术中心，上海 201804)

收稿日期:2014-07-10 修回日期:2014-07-10 上线日期:2015-07-09
作者简介:苗成生（1990—），男，博士研究生
基金资助:
国家自然科学基金项目（51275038）

Study of Launch Control for Heavy-duty Off-road Vehicles Based on Clutch Engaging Speed

MIAO Cheng-sheng¹, LIU Hai-ou¹, ZHAO Yi-nong¹, YUE Fu-ying^1,2, CHEN Hui-yan¹

(1.Science and Technology on Vehicle Transmission Laboratory, Beijing Institute of Technology, Beijing 100081, China；2.Technology Center of SAIC Motor Corporation, Shanghai 201804, China)

Received:2014-07-10 Revised:2014-07-10 Online:2015-07-09

摘要/Abstract

摘要： 建立起步过程动力学模型并提出了起步过程评价指标，选取转速、位移等为控制参量，设计了基于接合速度的干式离合器分段控制策略。设计了起步分段控制模型，利用试验数据库统计得出分段控制的主要参数阈值。对所设计的控制策略进行了实车平路起步试验。以当量冲击度、起步时间和滑转圈数为评价指标，分析了起步控制效果。结果表明，所设计的基于离合器接合速度的起步控制策略满足起步平稳性和快捷性的要求，为后续开展适应全工况的优化控制奠定了基础。

关键词: 兵器科学与技术, 接合速度, 分段控制, 起步控制, 干式离合器, 自动机械变速器

Abstract: According to dynamic modelling and evaluation indicator of launch process,a dry clutch subsection control strategy based on the clutch engaging speed is proposed by selecting the appropriate control parameters, such as rotate speed and displacement, etc. A subsection control model is established and the thresholds of control parameters are obtained from test database. The vehicle launch test under this control strategy is carried out in flat road conditions, and the control performance is evaluated using the indicators of the equivalent longitudinal jerk, start time and slipping rotation numbers.The results show that the control strategy based on the clutch engaging speed can meet the requirements of smoothness and fast starting, which lays a good foundation for the subsequent research on optimization control adapting to all conditions.

Key words: ordnance science and technology, engaging speed, subsection control, launch control, dry clutch, automated manual transmission

中图分类号:

U463.212

苗成生，刘海鸥，赵亦农，岳甫营，陈慧岩. 基于离合器接合速度的重型越野车辆起步控制研究[J]. 兵工学报, 2015, 36(5): 769-776.

MIAO Cheng-sheng, LIU Hai-ou, ZHAO Yi-nong, YUE Fu-ying, CHEN Hui-yan. Study of Launch Control for Heavy-duty Off-road Vehicles Based on Clutch Engaging Speed[J]. Acta Armamentarii, 2015, 36(5): 769-776.

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图10 不同起步油门下离合器控制效果
Fig.10 Control results under different throttle opening
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基于离合器接合速度的重型越野车辆起步控制研究

Study of Launch Control for Heavy-duty Off-road Vehicles Based on Clutch Engaging Speed

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