大涵道比涡扇发动机涡轮监视温度容错解析

赵琳; 王曦; 宋志平

doi:10.13224/j.cnki.jasp.2014.11.033

大涵道比涡扇发动机涡轮监视温度容错解析

doi: 10.13224/j.cnki.jasp.2014.11.033

1. 北京航空航天大学能源与动力学院, 北京 100191;
2. 中国人民解放军空军装备研究院总体论证研究所, 北京 100076

详细信息

作者简介:
赵琳(1979-),女,辽宁铁岭人,博士后,研究领域为航空发动机控制.E-mail:echo_com@126.com

中图分类号: V233.7
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出版历程
- 收稿日期: 2013-07-23
- 刊出日期: 2014-11-28

Fault tolerance analysis of high-bypass-ratio turbofan engine turbine monitoring temperature

1. School of Energy and Power Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;
2. Research Institute on General Development and Evaluation of Equipment, Equipment Academy of Air Force, the Chinese People's Liberation Army, Beijing 100076, China

摘要

摘要: 提出了对大涵道比涡扇发动机涡轮监视温度的容错解析方法,以避免由于涡轮监视温度传感器故障造成的发动机控制降级,或未检测到故障导致发动机超温.解析方法包含两种:一种是基于涡轮排气总温的解析方法作为主解析方法;另一种是基于空气流量模型的解析方法作为余度解析方法,用于在主解析温度与测量温度差异较大时进行比较取真.使用发动机试车数据进行了方法验证,结果显示:主解析方法的稳态计算误差不超过0.33%;余度解析方法的稳态计算误差不超过0.8%.这表明两种解析方法都是有效的,可以用于发动机容错控制.
- 发动机容错控制 /
- 涡轮监视温度 /
- 容错解析 /
- 涡轮排气总温 /
- 空气流量模型
Abstract: A turbine monitoring temperature analytic method was proposed for fault tolerance of high-bypass-ratio engine, so as to prevent engine control from degrading caused by turbine monitoring temperature sensor failure or overtemperature caused by undetected sensor failure. The analytic method includes two parts: one analytic method is based on turbine total exhaust temperature which is a main analytic unit; the other is based on air flow model as a redundant unit, which is used when the main analytic temperature differs a lot from the measurement temperature. An experiment on engine trial data was carried out. The results show that the main analytic unit's steady state error is less than 0.33%. The redundant unit's steady state error is less than 0.8%. Experiment results show these two analytic units are both valid and suitable for engine fault tolerant control.
- engine fault tolerant control /
- turbine monitoring temperature /
- fault tolerance analysis /
- turbine total exhaust temperature /
- air flow model

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参考文献(18)

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