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。
In the paper , useful attempts and research on adaptive control are developed for a turbofan engine . a model reference adaptive control ( mrac ) using input and output measurements and pi adaptive law are applied to aeroengine multi - variable control system . simulation results show that controller avoids the measurement of full states variables and has good control performance 将利用输入输出测量值的模型参考自适应控制方法和比例?积分型自适应律应用于航空发动机多变量控制中，并进行了数字仿真研究，结果表明控制器有效地避免了全状态量的测量，并获得好的动、静态性能。
In this article we study performance analysis of mpc control system from two aspects , academically and for application , and get some conclusions : 1 . on the base of conventional performance assessment method we propose integrated performance analysis method of multivariate control system ( ipammcs ) . this method can present more information about the existing control system , such as stochastic performance , deterministic performance and oscillation 本文从理论和实际应用两个方面对mpc性能进行了研究，并取得了以下结果： ( 1 )在传统的性能评价方法的基础上提出了综合的多变量控制系统性能分析方法( integratedperformanceanalysismethodofmultivariatecontrolsystem ，简称ipammcs方法) ，这个方法能从确定性能性能、随机性性能及是否存在振荡几个方面有效地评价已有的控制系统；该方法不仅适用于对具有一般控制器的控制系统的评价，而且对于基于模型的控制系统的评价也是非常有效的。
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。
