基于无模型自适应控制的飞机货舱烟雾模拟

doi:10.16265/j.cnki.issn1003-3033.2025.12.0081

摘要/Abstract

摘要：

为控制飞机货舱烟雾探测适航验证实验中用于代替真实火灾烟雾的模拟烟雾流场,依托全尺寸飞机货舱模拟试验舱,搭建模拟烟雾闭环流动控制试验平台;基于无模型自适应控制(MFAC)理论开展控制律设计,以真实火灾烟雾质量浓度为控制目标,验证模拟烟雾闭环流动控制效果;并探讨控制律参数对控制效果的影响。试验结果表明:采用MFAC方法可以较好地克服湍流流场未建模动态对闭环控制的不利影响,并实现模拟烟雾与真实火灾烟雾非稳态流场的逼近,与比例-积分-微分(PID)控制方法相比控制性能可提升20%以上。

关键词: 无模型自适应控制(MFAC), 飞机货舱, 模拟烟雾, 流动控制, 适航

Abstract:

To control the simulated smoke flow field (used as a substitute for real fire smoke in the airworthiness verification experiments for aircraft cargo compartment smoke detection), this paper established a closed-loop flow control experimental platform for simulated smoke based on a full-scale aircraft cargo compartment mock-up. Control law design was conducted using MFAC theory. The closed-loop flow control effects of simulated smoke were verified with real fire smoke mass concentration as the control target. Additionally, the influence of control law parameters on control effect was explored. The experimental results demonstrate that MFAC method can effectively overcome the adverse effects of unmodeled dynamics in turbulent flow fields on closed-loop control, and achieve the approximation of the non-stationary flow fields between simulated smoke and real fire smoke. Compared with the PID control method, the control performance can be improved by more than 20%.

Key words: model-free adaptive control (MFAC), aircraft cargo compartment, simulated smoke, flow control, airworthiness

中图分类号:

X949

杨建忠, 王鹏翔, 陈希远. 基于无模型自适应控制的飞机货舱烟雾模拟[J]. 中国安全科学学报, 2025, 35(12): 18-25.

YANG Jianzhong, WANG Pengxiang, CHEN Xiyuan. Smoke simulation in aircraft cargo compartments based on model-free adaptive control[J]. China Safety Science Journal, 2025, 35(12): 18-25.

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探测器位置1			探测器位置2
控制方法	高通风量	低通风量	控制方法	高通风量	低通风量
PID	488.61	382.36	PID	570.57	587.48
MFAC:a=2	259.96	244.78	MFAC:a=1	294.44	353.51
MFAC:a=3	234.78	231.61	MFAC:a=2	288.83	295.54
MFAC:a=4	262.88	260.20	MFAC:a=3	319.95	342.80