【摘要】 奥地利AVL公司生产的AVL657数据采集分析系统，是一套对内燃机瞬变过程进行高速数据采集、处理和存储的测试设备。阐述了该系统的数据文件存储格式的转换原理和方法，以及在柴油机运转条件下喷油过程测量、多缸机单缸进气充量测量的计算原理和程序编制。更多还原

【Abstract】 The model AVL 657 data collecting andlysing system made by AVL co. in Austriais a measuring and testing device for rapidly collecting,processing and memorizing data in transient processes of an internal combustion engine. This paper describes the converting principles and methods of the data file memory format in the AVL657 system,and the measurement of fuel injection process in operating condition of diesel engines,as well as the calculation principle and programing of measuring the charge air in each cylinder of a multi-cylinder engine.更多还原