汽油机爆震信号测量与应用分析  

Knocking Detection and Application Analysis in SI Engine

作　　者：于秀敏[1] 高莹 鞠革 林学东[1] 钱耀义[1] 吕从民 

机构地区：[1]吉林工业大学内燃机系,长春130025

出　　处：《内燃机学报》2000年第4期399-403,共5页Transactions of Csice

摘　　要：结合发动机爆震控制 ,进行了爆震传感器幅频特性测量与发动机爆震信号的实时测量 ;对爆震信号进行了时域和频域分析 ;根据频谱分析结果 ,进行了爆震临界电平计算 ;同时对发动机发生爆震时的性能进行了分析 ,为爆震控制提供了依据。介绍了试验系统、试验方法、试验结果。WT5”BZ]:The relation of amplitude frequency of a knocking sensor was tested on vibration test bed.The knocking signal of an SI engine was measured.Knocking data were processed both in the time domain and in the frequency domain.The results are useful for the design of knock control system.This paper describes test system,measurement method,test results,data processing method,analysis results and conclusion.[WT5”HZ]

关 键 词：爆震传感器 爆震检测系统 汽油机 爆震信号测量 

分 类 号：TK411.28[动力工程及工程热物理—动力机械及工程]