发动机排气消光度测量的滤波方式应用研究  

Study on Application of Filter Methods In Measurement of Engine Exhaust Gas Opacity

作　　者：王昌冬 韩一奇 于成汉 李忠军 Wang Chang-dong;Han Yi-qi;Yu Cheng-han;Li Zhong-jun(Dalian CRRC Diesel Engine Co.,Ltd,Liaoning Dalian 116081)

机构地区：[1]大连中车柴油机有限公司,辽宁大连116081

出　　处：《内燃机与配件》2024年第18期18-20,共3页Internal Combustion Engine & Parts

摘　　要：介绍了二阶贝赛尔滤波、浮动平均值滤波和一阶低通滤波这三种滤波方式在发动机排气消光度测量中的应用,使用这三种滤波方式对某机型发动机的排气消光度实测数据进行处理,并对它们在不同滤波参数下的曲线特点进行对比分析,阐述了这些滤波方式在发动机排烟性能改进方面的作用。This paper introduces the application of three filter methods,namely 2nd order Bessel filter,floating mean value filter and 1st order low pass filter,in the measurement of engine exhaust gas opacity.The measured data of exhaust gas opacity of a certain engine model are processed by these three filter methods,and their curve characteristics under different filter parameters are compared and analyzed.The effects of these filter methods on the improvement of engine exhaust smoke performance are described.

关 键 词：排气消光度测量 二阶贝赛尔滤波 浮动平均值滤波 一阶低通滤波 

分 类 号：U464.172[机械工程—车辆工程]