The characteristic value of the so - called inverse algebraic eigenvalue problem is that under certain restrict conditions against the question , elements of matrix are determined according to eigenvalue or eigenvector . the practical inverse alebraic eigenvalue problem arose in phisical chemistry in the study of molecular structures . it arises in various areas of application in a lot of filelds , such as dispersed system of physical mathematic , design of vibration system of the structure , correct and control , particle nuclear spectroscopy , linear variable control system and so on 所谓代数特征值反问题就是在一定的限制条件下，根据给定的特征值或特征向量决定矩阵的元素，它是在研究物理化学中研究分子结构时发现的。矩阵特征值反问题在数学物理反问题的离散系统、结构振动系统的设计、校正与控制、粒子物理的核光谱学、线性多变量控制系统的极点配置等许多领域都具有重要的应用。
In this book the methodology and concept of designing multivariable control systems for aeroengines are presented which include : general development tendencies in aeroengines and aeroengine control systems ; modeling of aeroengines ; design of various control laws for aeroengines ; design of fault tolelant control systems for aeroengines and design of integrated flight / propulsion control systems 本书阐述现代航空发动机多变量控制系统设计方法及概念：航空发动机及其控制系统的发展趋势；航空发动机建模；各种航空发动机现代控制规律的设计；发动机容错控制系统设计以及飞行/推进综合控制系统设计。
The pid parameters adjustment methods are studied for single loop - control sy stems ^ cascade control systems , feed forward back forward control systems and 2 * 2 multivariable control systems according to the character of thermal processes control . the optimal adjustment strategy of using simple shape algorithm to search the optimal pid parameters with the initial pid parameter values obtained by related adjustment methods is proposed . the optimal adjustment soft is developed also 针对热工过程的特点，研究了单回路控制系统、串级控制系统、前馈-反馈控制系统和2 2多变量控制系统的pid参数整定方法，并在此基础上提出了以上述各系统的pid参数整定值作为初始参数值，采用单纯形算法对pid参数进行寻优的pid参数优化整定方案，并开发了相应的pid参数优化整定软件。
The main statistical variables and multivariate control charts are introduced . the design idea of fault monitoring and fault diagnosis systems based on principal component analysis for multivariable control system is analyzed . a model of pta oxidation process is talcen as an example to show the result of fault diagnosis based on principal component analysis 介绍了多元统计过程控制在故障诊断中常用的统计量及统计控制图，分析了基于主元分析的多变量控制系统故障监测与诊断的设计思想，并将其应用于pta氧化过程仿真监控。
