重型自动机械变速车辆换挡序列优化

doi:10.3969/j.issn.1000-1093.2015.08.001

兵工学报 ›› 2015, Vol. 36 ›› Issue (8): 1377-1383.doi: 10.3969/j.issn.1000-1093.2015.08.001

• 论文 • 下一篇

重型自动机械变速车辆换挡序列优化

刘海鸥，晋磊，董诗瑾，苗成生

（北京理工大学机械与车辆学院，北京 100081）

收稿日期:2014-12-23 修回日期:2014-12-23 上线日期:2015-10-16
作者简介:刘海鸥（1975—），女，副教授，硕士生导师
基金资助:
武器装备预先研究项目（3030021221505）

Shift Sequence Optimization of Heavy-duty Vehicles with Automated Manual Transmission

LIU Hai-ou, JIN Lei, DONG Shi-jin, MIAO Cheng-sheng

(School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China)

Received:2014-12-23 Revised:2014-12-23 Online:2015-10-16

摘要/Abstract

摘要： 重型车辆在动力性和燃油经济性上有较大的提升空间。分析了配备自动机械变速器（AMT）的重型车辆换挡动力中断特性，在此基础上建立了AMT重型车辆整车模型，并利用动态规划（DP）求解出重型车辆在确定道路下的最优综合性能换挡序列。计算对比原有换挡规律和DP决策下的车辆运行性能，仿真结果表明，通过调整运行耗时和燃油消耗量的加权因子，可以获得兼备动力性和燃油经济性的综合性能最优换挡序列，在保证AMT重型车辆动力性的前提下改善了燃油经济性，对AMT重型车辆的自动控制具有指导意义。

关键词: 兵器科学与技术, 重型自动机械变速车辆, 动态规划, 换挡序列优化, 最优综合性能

Abstract: Heavy-duty vehicles have larger space to promote both in dynamic performance and fuel economy. A dynamic model of heavy-duty vehicle equipped with automated manual transmission (AMT) is built based on the analysis of gearshift power interruption. A dynamic programming (DP) method is applied to solve the optimal gearshift sequence in known road condition. The performance comparison between original shift sche-dule and DP strategy is completed. The simulation results show that the optimal gearshift sequence provides good overall performance, including dynamics and fuel economy, by adjusting the fuel consumption and travel time weighting factor. In addition, the optimal gearshift sequence from DP strategy improves the fuel economy in ensuring the dynamics.

Key words: ordnance science and technology, heavy-duty vehicle with automated mannual transmission, dynamic programming, shift sequence optimization, optimal overall performance

中图分类号:

U461

刘海鸥，晋磊，董诗瑾，苗成生. 重型自动机械变速车辆换挡序列优化[J]. 兵工学报, 2015, 36(8): 1377-1383.

LIU Hai-ou, JIN Lei, DONG Shi-jin, MIAO Cheng-sheng. Shift Sequence Optimization of Heavy-duty Vehicles with Automated Manual Transmission[J]. Acta Armamentarii, 2015, 36(8): 1377-1383.

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重型自动机械变速车辆换挡序列优化

Shift Sequence Optimization of Heavy-duty Vehicles with Automated Manual Transmission

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