基于修改加速控制规律的航空发动机寿命延长控制

陈小磊; 郭迎清; 陆军

基于修改加速控制规律的航空发动机寿命延长控制

西北工业大学动力与能源学院, 西安 710072

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- 文章访问数: 1956
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- 被引次数: 0
出版历程
- 收稿日期: 2010-09-03
- 修回日期: 2010-11-12
- 刊出日期: 2011-09-28

Life extending control of aircraft engine based on adjusting acceleration schedule

School of Power and Energy, Northwestern Polytechnical University, Xi'an 710072, China

摘要

摘要: 针对发动机加速过程,以涡轮导向叶片热机械疲劳寿命为例,通过在原加速控制规律后半段增加转子加速度限制,综合考虑加速性能与寿命延长指标,利用遗传算法对加速规律进行优化.仿真结果表明修改后的加速控制规律能够明显地延长涡轮导向叶片的寿命,而发动机加速过程上升时间基本保持不变.
- 寿命延长控制 /
- 加速控制规律 /
- 热机械疲劳模型 /
- 遗传算法 /
- 航空发动机寿命
Abstract: The acceleration schedule of engine which influenced the thermo-mechanical fatigue (TMF) of turbine stator blade was analyzed. Through additional acceleration limit to the original control schedule, the acceleration schedule was optimized by genetic algorithm, in consideration of the acceleration performance and life of blade. The simulation results show that the improved acceleration schedule can provide significant life extension of blade while keeping the rise time unchanged during the acceleration process.
- life extending control /
- acceleration schedule /
- thermo-mechanical fatigue model /
- genetic algorithm /
- life of aircraft engine

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参考文献(16)

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