航空发动机数控系统中LVDT传感器信号处理及在线故障检测

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Signal processing and on-line failure monitoring of LVDT sensor on aero-engine control system

1.
College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
2.
College of Software, Beijing University of Aeronautics and Astronautics, Beijing, 100083, China
3.
Aviation Motor Control System Institute, China Aviation Industry CorporationⅠ, Wuxi 214063, China

摘要: 通过对线位移差动变压器(LVDT)信号处理电路的深刻研究, 给出了芯片发热、温漂、信号精度等问题的一般解决方法, 提出了一种通过软、硬件结合, 在不增加外围器件的情况下对LVDT传感器进行在线故障检测的定值判断法.发动机台架试验结果表明, 所提出的方法是行之有效的.
- 航空、航天推进系统 /
- 航空发动机 /
- 数控系统 /
- AD598 /
- 线位移差动变压器(LVDT) /
- 在线检测
Abstract: After in-depth study of LVDT signal processing circuit, a basic solution for problems, such as: chip fever, temperature drift and signal accuracy, were presented.Meanwhile, an on-line monitoring method combining software and hardware was also proposed without addition of external components.The result of engine bench experiment proves the feasibility of this method.
- aerospace propulsion system /
- aero engines, digital control, AD598, linear variable differential transformer (LVDT), on-line monitor. /

[1]	强锡富主编.传感器[M].3版.北京:机械工业出版社,2001.
[2]	贾静科.基于AD598的差动变压器式位移传感器[J].传感器世界(Sensor World),2000(9):21-23.
[3]	单成祥编著.传感器的理论与设计基础及其应用[M].北京:国防工业出版社,1999.
[4]	Analog Devices Inc.Design-in Reference Manual[DB/OL].1994.
[5]	Analog Devices Inc.Data Sheet,LVDT Signal Conditioner AD598[DB/OL].2002.
[6]	余瑞芬主编.传感器原理[M].2版.北京:航空工业出版社,1995.

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