数据采集技术在叶轮机械实验中的应用  

An Application of Data Acquisition Technique to Turbomachinery Experiments

作　　者：袁巍[1] 陆亚钧[1] 周盛[1] 李志平[1] 

机构地区：[1]北京航空航天大学能源与动力工程学院,北京100083

出　　处：《航空动力学报》2004年第3期402-407,共6页Journal of Aerospace Power

摘　　要：介绍某压气机实验台建设中的测控方案。对于数据采集过程中的各种压力信号,提出了适用于叶轮机械稳态特性采集的经济性方案。针对各种动态干扰噪音,详细分析了噪声源的产生及其干扰方式,发展了利用采集技术判断干扰源的方法,并采取了具有针对性的抗干扰措施。为后续实验的进一步展开奠定了基础。A system for measuring and control of some compressor experiments in a test cell is described.An economical scheme,which is effective for the steady data acquisition for turbomachinery,has been demonstrated forward.By dint of the analysis of sources and influencing modes from the dynamic interferential signals,a method that can estimate the jam source is developed,and accordingly the remedies are taken.All this work provides the basis for the further experiments.

关 键 词：数据采集 叶轮机械 实验中 压气机 干扰噪音 测控技术 

分 类 号：TK05[动力工程及工程热物理] TP274[自动化与计算机技术—检测技术与自动化装置]