交通节能与环保
交通節能與環保
교통절능여배보
MARINE ENERGY SAVING
2013年
5期
39-45
,共7页
汽车排放%AVL分析仪%瞬态测试%偏最小二乘回归法
汽車排放%AVL分析儀%瞬態測試%偏最小二乘迴歸法
기차배방%AVL분석의%순태측시%편최소이승회귀법
vehicle emissions%AVL analyzer%transient test%PLS
为将用于稳态排放测试的AVL DiGas 4000 Light五组份排放分析仪用于车辆瞬态工况下的排放检测，基于实验法和偏最小二乘法(Partial least squares，PLS)分别对AVL排放分析仪的瞬态测量结果进行时延和幅值修正。修正后的CO浓度值和VMAS系统测量CO浓度值一次拟合后得到方程的斜率为0.99962，表明两者之间吻合的非常好。为车辆在瞬态工况下能够利用该仪器进行排放检测提供了实验和理论支持。
為將用于穩態排放測試的AVL DiGas 4000 Light五組份排放分析儀用于車輛瞬態工況下的排放檢測，基于實驗法和偏最小二乘法(Partial least squares，PLS)分彆對AVL排放分析儀的瞬態測量結果進行時延和幅值脩正。脩正後的CO濃度值和VMAS繫統測量CO濃度值一次擬閤後得到方程的斜率為0.99962，錶明兩者之間吻閤的非常好。為車輛在瞬態工況下能夠利用該儀器進行排放檢測提供瞭實驗和理論支持。
위장용우은태배방측시적AVL DiGas 4000 Light오조빈배방분석의용우차량순태공황하적배방검측，기우실험법화편최소이승법(Partial least squares，PLS)분별대AVL배방분석의적순태측량결과진행시연화폭치수정。수정후적CO농도치화VMAS계통측량CO농도치일차의합후득도방정적사솔위0.99962，표명량자지간문합적비상호。위차량재순태공황하능구이용해의기진행배방검측제공료실험화이론지지。
In order to use AVL DiGas 4000 Light analyzer which can measure five gases and used for steady-state emissions testing for transient emissions testing.The delay and amplitude correction for the transient measurement of AVL analyzer based on experimental method and the PLS (Partial least squares, PLS).The concentration value of CO after being corrected and the concentration value of CO measured by VMAS sys-tem obtained a fitting equation and the slop is 0.99962.This shows very good agreement between the two.It provides an experiment and theoretical support for taking advantage of the AVL analyzer to test transient emissions.
