汽车工程
汽車工程
기차공정
AUTOMOTIVE ENGINEERING
2014年
9期
1145-1150
,共6页
发动机%起停系统%控制策略%仿真%试验
髮動機%起停繫統%控製策略%倣真%試驗
발동궤%기정계통%공제책략%방진%시험
engine%start/stop system%control strategy%simulation%test
首先介绍了发动机智能起停系统工作原理、结构和控制策略以及发动机起动过程的受力情况,其次在Matlab/Simulink中建立了起停系统控制策略模型,通过和Advisor联合仿真,在NEDC循环工况下对配备起停系统的汽车和传统汽车的经济性能做了对比分析,最后在转鼓试验台上进行发动机起动和整车的油耗与排放的对比试验。仿真与试验结果表明,起停系统能保证发动机快速起动且转速波动小；配备起停系统后整车的HC、CO和NOx 排放远低于欧Ⅳ排放限值,100km油耗比传统汽车降低3.63%。
首先介紹瞭髮動機智能起停繫統工作原理、結構和控製策略以及髮動機起動過程的受力情況,其次在Matlab/Simulink中建立瞭起停繫統控製策略模型,通過和Advisor聯閤倣真,在NEDC循環工況下對配備起停繫統的汽車和傳統汽車的經濟性能做瞭對比分析,最後在轉鼓試驗檯上進行髮動機起動和整車的油耗與排放的對比試驗。倣真與試驗結果錶明,起停繫統能保證髮動機快速起動且轉速波動小；配備起停繫統後整車的HC、CO和NOx 排放遠低于歐Ⅳ排放限值,100km油耗比傳統汽車降低3.63%。
수선개소료발동궤지능기정계통공작원리、결구화공제책략이급발동궤기동과정적수력정황,기차재Matlab/Simulink중건립료기정계통공제책략모형,통과화Advisor연합방진,재NEDC순배공황하대배비기정계통적기차화전통기차적경제성능주료대비분석,최후재전고시험태상진행발동궤기동화정차적유모여배방적대비시험。방진여시험결과표명,기정계통능보증발동궤쾌속기동차전속파동소；배비기정계통후정차적HC、CO화NOx 배방원저우구Ⅳ배방한치,100km유모비전통기차강저3.63%。
Firstly the working principle, structure and control strategy of engine smart start/stop system as well as the force balance conditions during engine starting process are presented. Then the control strategy model for start/stop system is built with Matlab/Simulink, and a co-simulation with Advisor software is carried out to conduct comparative analysis on the fuel economy between the vehicle equipped with start/stop system and the traditional ve-hicle. Finally the corresponding comparative test on engine start and the fuel consumption and emissions of vehicle is performed on chassis dynamometer. The simulation and test results show that the start/stop system can ensure the engine quickly starts with small speed fluctuation. The vehicle equipped with start/stop system has emissions of HC, CO and NOx much less than the EuroⅣemission limits and its 100km fuel consumption is 3.63% less than the tra-ditional vehicle.
