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Position: Home > Articles > Study on the parameter of hybrid electric city bus driving cycle Journal of Agricultural University of Hebei 2007,30 (3) 120-122

混合动力城市客车运行工况参数的探讨

作  者:
赵树朋;张世芳;贾立斌;杨钰瑛;王会强;白庆华
单  位:
河北农业大学机电工程学院;中国国土资源经济研究院
关键词:
混合动力;城市客车;运行工况;控制策略
摘  要:
采用自行研制的基于汽车电控系统数据流功能的检测系统对城市客车的实际运行工况进行了测试。测量发动机转速、节气门开度、车速以及载客量并进行数理统计,结果表明城市客车的停车时间、车速、加速度、减速度、载客量等参数均符合正态分布,怠速时间占运行总时间的25.3%,加速和减速时间占69.1%,匀速时间占5.6%。混合动力城市客车针对实际运行工况采用优化的控制策略,如限制发动机怠速、减小发动机功率、改善发动机的工作状态、采用再生制动,可以明显降低燃油消耗和排放。
译  名:
Study on the parameter of hybrid electric city bus driving cycle
作  者:
ZHAO Shu-peng1,ZHANG Shi-fang1,JIA Li-bin2,YANG Yu-ying1,WANG Hui-qiang1,BAI Qing-hua1(1.College of Mechanical and Electrical Engineering,Agricultural University of Hebei,Baoding 071001,China;2.Chinese Academy of Land and Resource Economics,Beijing 101149,China)
关键词:
hybrid electric;city bus;driving cycle;parameter
摘  要:
City bus driving cycle plays an important role on control strategy of hybrid electric vehicle.A testing system based on Data Stream function of vehicle electronic control system was developed to test the city bus driving cycle.By measuring such parameters as engine speed,throttle position,vehicle speed and passenger number,statistic results indicated that parking time,vehicle speed,acceleration,deceleration and passenger number accorded with normal school.In all the running time of a city bus,idle speed time account for 25.3 percent,acceleration and deceleration time 69.1 percent,and even speed time account for 5.6 percent only.According to the driving cycle developed,hybrid electric city bus control strategy was optimized.Research result indicated that engine consumed less fuel by such means as engine idle speed cycle limited,using small power engine,improving engine's running state and adopting regenerative brake technic.

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