控制理论

The calculated results are corresponded to the real results, and the time history curves of vibration response of the system were obtained when the train derails.

摘 要：结合自动控制理论，研究了桥上列车脱轨的力学机理，发现桥上列车脱轨是列车-桥梁时变系统横向振动丧失稳定的结果。

In order to solve such problems, the article brings forward unmanned spacecraft flight control employing fuzzy control method and emulates it.

为了解决以上问题，文中提出了基于模糊控制理论的无人机飞控系统设计，并且进行了仿真。

To make an analysis of the system feature of the intellectualized sorting system, it is proposed to the method of system modeling employing the fuzzy control theory.

分析了智能化分拣系统的系统特性，提出了用模糊控制理论建立系统模型的方法，设计了基于PLC分拣系统的模糊控制器。

This view locates management accounting specifically in the context of management control theory.

这种观点位于管理会计特别是在管理控制理论。

Based on the process in continuous reheating furnace,some essential relations between computational heat transfer and modern control theory are introduced.

以连续加热炉为背景，对照介绍了计算传热学与现代控制理论在这类问题中的某些本质联系。

With the small signal modeling of the rated working point proposed in this dissertation, we can applying the classic control theories to explain why gas discharge lamp can't work steady whiling connecting to the voltage souce, we also can design the electronic ballast's stable characteristics.

本文提出的气体放电灯在某一个额定工作点的小信号模型，能应用经典控制理论对具有负阻特性的气体放电灯直接接到电压源上时不能稳定工作的特性作了定量的方法，为电子镇流器稳定性设计和判别打下了一个基础。

A two-degree-freedom automobile model was established, and application of neural network control theory in the action suspension system was given.

本文建立了汽车主动悬架的两自由度模型，并以该模型为基础，研究了神经网络控制理论在汽车主动悬架中的应用。

For a long time, people have carried out a large amount of research on the rotor angle stability, clarified the mechanism of angle instability, and set up a relatively mature theory of analysis and control that widely used in the power system.

长期以来，人们对功角稳定性进行了大量的研究，弄清了功角失稳的机理，建立了比较成熟的分析和控制理论，并在电力系统中得到了广泛的应用。

Baffle-plate of stepless adjustable length is designed on the base of the old multistage length baffle plate.

无级定尺挡板是在原多级定尺挡板的基础上设计而成，它把先进的伺服控制理论和普通液压系统相结合，实现对任意定尺的工艺要求。

Based on the analysis of characteristics of smart antenna,detailed discussion is performed for the theoretical methods of smart antenna. According to different methods of antenna beam processing and forming,smart antenna's architecture and classification are introduced.

0引言智能天线的概念是90年代初由一些学者提出，在微波技术、自动控制理论、自适应天线技术、数字信号处理技术和软件无线电技术等多学科基础上综合发展而成的一门新技术。

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％。