基于 Matlab 的发动机/飞行器综合建模与参数估计技术研究
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3.6 搭建涡扇发动机/固定翼飞机一体化模型 ................................................................................28
3.6.1 建立基于 Matlab 涡扇发动机模块 ..................................................................................28
3.6.2 建立基于 Matlab 固定翼飞机模块 ..................................................................................28
3.6.3 建立基于 Matlab 控制器模块 ..........................................................................................29
3.6.4 建立基于 Matlab 发动机/固定翼飞机一体化模型 .........................................................29
3.7 涡扇发动机/固定翼飞机一体化模型响应仿真结果 ................................................................32
3.8 小结 .............................................................................................................................................33
第四章 发动机机载简化自适应模型研究 ..........................................................................................34
4.1 概述 .............................................................................................................................................34
4.2 简化自适应模型 .........................................................................................................................34
4.2.1 稳态基点模块 ...................................................................................................................35
4.2.2 卡尔曼滤波器的设计 .......................................................................................................39
4.2.3 性能参数跟踪模块 ...........................................................................................................41
4.2.4 相似转换模块 ...................................................................................................................42
4.3 自适应模型全数字仿真 .............................................................................................................42
4.3.1 参数估计模块仿真结果 ...................................................................................................43
4.3.2 稳态点性能参数跟踪精度验证 .......................................................................................45
4.3.3 动态过程性能参数跟踪精度验证 ...................................................................................46
4.4 实物在回路仿真 .........................................................................................................................48
4.4.1 稳态点性能参数跟踪仿真实例 .......................................................................................49
4.4.2 动态点性能参数跟踪仿真实例 .......................................................................................50
4.5 小结 .............................................................................................................................................51
第五章 发动机简化模型的包线适应性研究 ......................................................................................52
5.1 概述 .............................................................................................................................................52
5.2 包线适应性简化模型基线模块 ..................................................................................................52
5.2.1 划分飞行包线 ...................................................................................................................52
5.2.2 双线性插值 .......................................................................................................................53
5.3 包线适应性简化模型卡尔曼滤波模块 .....................................................................................54
5.4 包线适应性简化模型性能参数跟踪模块 .................................................................................54
5.5 包线适应性简化模型数字仿真 .................................................................................................54
5.5.1 小包线估计蜕化量仿真测试 ...........................................................................................54
5.5.2 性能参数小包线跟踪仿真测试 .......................................................................................55
5.6 本章小结 .....................................................................................................................................57
第六章 基于奇异值分解的航空发动机性能参数估计 ......................................................................58
6.1 概述 .............................................................................................................................................58
6.2 基于 SVD 算法的简化模型 .......................................................................................................58
6.2.1 状态变量模型 ...................................................................................................................59
6.2.2 SVD 算法简介 ...................................................................................................................61
