控制理论

Integral is a typical unit in control theory, whose existence leads to the integral role.

积分环节是控制理论中的典型单元，它的存在，导致了积分作用的产生。

A matrix method and a technique lased on minimax algebra are applied respectively to establish the discrete event state equation and the discrete event time-series equation which will benefit the performance evaluation of discrete event dynamic systems.

根据系统的网络表示，应用矩阵方法和极大代数方法分别建立了系统的离散事件状态方程和离散事件时序方程，为从现代控制理论的观点和体系来研究离散事件动态系统打下了基础。

ABSTRACT Appling the numerical model and control theory to the state identification of carbon migration in dissimilar metal weldments , its law and quantitative calculation were researched. Based on analysising of metallurgical and dynamics properties of DMWs, the influences of welding procedure's factors on their high-temperature properties were studied in this dissertation. The following are the main contents.

本文将数值化建模和控制理论引入到异种钢焊接接头碳扩散迁移状态辨识，对碳的扩散迁移的规律及定量计算进行了研究，在对异种接头冶金性能和力学性能进行分析的基础上，对焊接工艺因素对接头性能的影响进行了研究，主要内容如下： 1。

Transient Energy Functions method is one of them. However, it still needs further study. TEF is a kind of direct method based on Lyapunov stability theory, which describes system energy during fault and post fault.

现有的研究中运用了各种先进的控制理论，正处于逐步发展和完善的阶段，暂态能量函数(TEF—Transient Energy Functions)法为其中之一。

Based on the analysis of traditional converters, a novel circuit is proposed, what it defers from traditional two switches/phase converter is that it has not dump resistance, and that the rise time and falling time of the phase currents can be effectively reduced, and the torque and output power performance of the system is improved .

该文的研究目的在于设计开关磁阻电机并通过对控制理论在SRD系统中的应用进行深入的分析、发展和创新，在保证SR电机的固有优点前提下，改善或消除其存在的缺点，提高系统的性能，逐步开始出相应的产品，进而推广SR电机的应用。

JING Xiaoning,LI Quantong. Sequential Diagnosis Strategy in System Maintenance.电光与控制, 2009, 16(1): 87～91 in chinese

作者简介景小宁|副教授|主要研究方向为智能信息处理、故障诊断理论及其在航空武器系统中的应用|(1965-)，女，陕西武功人。

It adopts the improved induction machine model with AC excitation on the wire-wound rotor as well as the field-oriented control theory for the study and analysis of DFASPSU models.

采用线绕式交流激磁转子之改良型感应机模型以及磁场导向控制理论，作为双馈式可变速抽蓄机组之模型研究与分析。

A nonlinear main steam valve controller of turbine generator is presented,on the basis of nonlinear optimal predictive control theory.

基于非线性最优预测控制理论，提出了一种汽轮发电机主汽门开度非线性预测控制器的设计方法。

Our studies connect information transmission to classic control theory, and hence cover some shortages of information theoretic methods.

我们的研究体现了信息传输和传统控制理论的结合，弥补了信息论方法的一些不足。

Based on the traffic model of a single node and on the system stability criterion, it is shown that the PD controller can regulate the source rate on the basis of the knowledge of buffer occupancy of the destination node in such a manner that the congestion-controlled network is asymptotically stable without oscillation in terms of the buffer occupancy of the destination node.

在单个节点的交通流的模型基础上，运用控制理论中系统稳定性分析方法，讨论如何利用信终端节点缓冲占有量的比例加微分的反馈形式来调节信源节点的能控交通流的输入速率，从而使被控网络节点的缓冲占有量趋于稳定。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。