高空台飞行环境模拟腔μ综合控制设计

朱美印; 张松; 但志宏; 裴希同; 王信; 王曦

doi:10.13224/j.cnki.jasp.2017.12.029

高空台飞行环境模拟腔μ综合控制设计

doi: 10.13224/j.cnki.jasp.2017.12.029

1.
北京航空航天大学能源与动力工程学院,北京 100191；先进航空发动机协同创新中心,北京 100191
2.
中国航空发动机集团有限公司四川燃气涡轮研究院,四川绵阳 621000
3.
北京航空航天大学能源与动力工程学院,北京 100191
4.
先进航空发动机协同创新中心,北京 100191

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出版历程
- 收稿日期: 2016-05-18
- 刊出日期: 2017-12-28

μ synthesis control design of altitude ground test facilities flight environment simulation volume

摘要

摘要: 针对航空发动机在高空台(AGTF)试验中高空飞行环境模拟腔(FESV)控制问题以及建模过程中产生的未建模动态不确定性问题,提出了一种μ综合控制结构方案,同时对于截止频率相差近几百倍的温度回路和压力回路的大差异特性,提出了采用同一加权灵敏度函数的处理方法,获得了模拟腔控制的期望效果；采用DK迭代算法设计了μ综合控制器,为解决因系统矩阵不满秩带来的温度、压力同时控制的问题提供了一种设计方法和思路,不同的飞行轨迹仿真验证结果表明:μ综合控制器对于飞行环境模拟腔温度和压力的控制效果一致性良好,动态误差不大于09%,稳态误差不大于05%,因此设计的μ综合控制系统具有伺服跟踪性能和鲁棒性能。
- 高空台 /
- 飞行进气条件 /
- 模拟腔控制 /
- μ综合设计 /
- D-K迭代算法
Abstract: A μ synthesis control scheme was proposed for the control problem of flight environment simulation volume (FESV) when aeroengine was tested in altitude ground test facilities (AGTF) as well as the unmodeled dynamics uncertainty problem in the modeling process. At the same time, as for the large difference characteristic of cutoff frequency between temperature and pressure loop, the same weighted sensitive functions method was presented to solve the problem and the desired effect of simulation volume was obtained. The D-K iterative algorithm was used in the scheme to design μ synthesis controller of temperature and pressure, which can effectively solve the temperature and pressure simultaneous control design problem caused by system matrix without full rank. The different flight trajectory simulation results show that, the μ synthesis controller has good control effects for temperature and pressure of FESV. Meanwhile, the dynamic control error is less than 09% and the steady state error is less than 05%, which means the μ synthesis controller has servo tracking performance and robust performance.
- altitude ground test facilities /
- air intake conditions /
- simulation volume control /
- μ synthesis design /
- DK iterative algorithm

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