控制部件

Designed the control system based on ATmega 16 according to the requirement of inductively coupled plasma spectrum instrument.

针对电感耦合等离子光谱仪控制要求，设计了以ATm ega 64为核心的控制系统，给出了相应的控制方案和器部件选型，并提出软件的模块化设计。

This paper introduces the development and principle, and present study situation of electrohydraulic proportional control system, and the work principle and every component of electrohydraulic proportional valve-controlled motor system of test platform are analyzed in detail, establishing the mathematics model of the valve-controlled motor system.

本文介绍了电液比例控制系统的发展、原理及目前的研究现状，对试验台的电液比例阀控马达速度控制系统的工作原理及各组成部件进行了详细的分析介绍，建立了阀控马达速度控制系统的数学模型。

of programming design and manual operation trapeziform figure in system of numerical control lathe Corresponding project to problems is provided synchronously.

可编程控制器在机械制造的设备控制中应用非常广泛，通常用来实现逻辑控制和顺序控制，在普通车床数字化改造中，用PLC作数控系统的核心部件是一个新的课题。

Based on the requisition of wireless system debugging, this paper develops a novel radio-frequency beaconing. Design method and system constitution of a novel beaconing based on PLL IC PE3336 are given, and the accomplish method of the system's hardware and software arc expounded. The test results show that the beaconing adopted in this method has a reliable and stable frequency conversion features. The more applications in the wireless system find that the users can set necessary frequency conveniently. Especial1, the friendly man-machine interface makes the operation is more flexible. It is as excellent performance-price-ratio beaconing, and as a signal source, it can be used in the research and the debug procession of variable radio-frequency components.

根据无线电数据链系统及部件的调试需要，研制开发了一种新型的以锁相环为核心、由单片机控制的射频信标机；文中给出了基于锁相环芯片PE3336的新型信标机的设计方法与系统组成，阐述了系统硬件及软件的具体实现为法；测试结果表明，利用该方法设计的信标机具有稳定、可靠的变频特性，且各项指标均达到了要求；进一步在某无线电系统中的应用发现，用户可方便地设置所需频点；特别是友好的人机界面，使用户操作更为灵活方便，是一种性能价格比优良的信标机；并可作为信源用于不同的射频部件研制与调试过程中。

The design and practical research of oil-pumping unit using non-touching point control cabinet in desert oilfield;2. In this paper, the general situation of artificial lift in China is introduced, and the new development of electrical submersible pump production technology in abroad was analyzed, including electrical submersible pump,separator, protector, electrical motor, control cabinet , cable and so on.

分析了国内油田人工举升概况，重点介绍了国外电泵采油技术新进展，包括电潜泵、分离器、保护器、电机、控制柜、电缆等方面，给出了目前世界电潜泵的发展趋势主要是改进各种配套部件、加工工艺，以延长泵的使用寿命，电潜泵朝着深井、高压、大排量、高寿命、耐高温、多品种方向发展；电潜泵生产商研制了用于特殊情况下的特殊电潜泵及其部件，编制计算机程序进行泵的优化设计；最后指出了国内电泵采油存在的问题及下一步攻关方向。

In order to solve the problem of poor precision and reliability of basis weight sensor used in papermaking process control system, the redundancy relations of sensors, and a new method to detect the sensor failures, and realize fault tolerant control for basis weight subsystem of papermaking process are suggested.

针对如何进行控制系统的高可靠性设计问题，在分析各种故障形式的基础上，建立了故障系统的数学模型，提出了能控意义上的功能冗余、系统的能控冗余度及某个部件对系统的能控重要度等概念，并对控制系统的可容错性进行了量化分析，从而为控制系统的高可靠性设计提供了理论依据。

The generation process of the stiffener layout on a vibration-proof plate and shell structure can be regarded as the growing process of a root branch system in plants, thus the stiffeners are started from the so-called seeds, and are grown, branched off or degenerated according to a certain growing rule similar to that of a natural root branch system.

将结构加强部件分布的形成看成和植物根系的成长过程一样，加强部件从给定的&种子&出发，根据一定的成长规则生长、分歧或退化，在体积增量的控制下，形成最优的分布形态。

In some way,it is analogous to a telephone switchboard with intelligence because it makes the connections between various functional units of the computer system and calls into operation each unit that is required by the program currently in operation.

有些方面它类似于智能电话交换机，因为他将计算机系统的各功能部件连结起来，并根据当前执行程序的需要控制每个部件完成操作。

Automatic cleaning system is composed of single or many cleaner jars, pipe, distributor, voltage plus pump, circumfluence pump, gasdrive control valve, acid-alkali measurement pump, panelheat transformer, temperature controller, electric-induced rate detector, liquid level controller, PLC touch screen and control tank, etc.

主要由单个或多个清洗液贮罐及管道、分布器、增压泵、回流泵、气动控制阀、酸碱计量泵、板式换热器，温度控制仪、电导率检测仪、液位控制仪及 PLC 触摸屏、控制柜等部件组成。

The on-board module is connected with the existing safety detection devices such as TCU, LCU and TAX box, through the serial interface bus, and realizes integrated data collection from electric apparatus and control system. The intercommunication platform between the locomotive and the ground is established based on the BEIDOU satellite and GPRS system; the former is used for distant communicating while the latter is used for massive communicating. The design of the ground supervision system is fulfilled.

制定了车载单元的串口总线协议，车载主控单元通过串口总线连接机车的微机控制柜、逻辑控制单元和TAX箱等现有独立的安全检测设备，实现对机车电器部件和控制系统运用状态信息的综合数据采集；综合采用北斗卫星通信和GPRS移动通信技术构建了机车与地面之间的双向数据通信平台，前者解决了在偏远地区的数据传输问题，后者解决了机车运用状态信息的大数据量传输问题。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。