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。
Linear quadratic ( lq ) theory , one of the multivariable control technology of modern control theory , is also studied . at first , we introduce the lq regulator ( lqr ) , lq tracker ( lqt ) and lq guassian / loop - transfer recovery ( ltr ) in detail . then the theories are used into the design of flight control system . it gets good results . in the following paper , genetic algorithms ( ga ) is described to optimize lq technology 除此之外,论文研究了现代控制理论多变量控制技术的线性二次型lo方法,详细说明了线性二次型调节器( lqr ) 、线性二次型跟踪器( lqt ) 、线性二次高斯型回路恢复技术( lqg ltr )理论、算法,并将其运用于飞行控制系统设计中,取得了良好的效果。
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。