The content of aircraft environment control system (ECS) function test and the current situation of ECS function test for ARJ21 aircraft are illustrated. The architecture of automation function test system for ARJ21 ECS is presented. The application methods of air flow and cabin pressure variation rate measurement are discussed.Finally. the control structure of testing air temperature and cabin air pressure is put forward.%阐述了飞机环境控制系统功能试验的内容和国内新一代ARJ21支线飞机环控功能试验的现状,提出研制飞机环控功能自动化试验系统的架构,研究了飞机环控功能自动化试验中大流量压缩空气流量测量与座舱升降压速率测量的技术方法,最后给出了试验空气加热温度与座舱压力的控制结构.
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