The time continuous mathematic models of typical control elements in the vehicle control system were developed by experiment , combining the time continuous mathematic models of traditional mechanical elements with that of typical electronic elements 用实验方法建立磁导航车体运动数字控制系统典型环节的时间连续数学模型，结合车体运动机械操纵环节的传统数学模型建立整个控制系统的时间连续数学模型。
Master pages provide functionality that developers have traditionally created by copying existing code , text , and control elements repeatedly ; using framesets ; using include files for common elements ; using asp . net user controls ; and so on 母版页提供了开发人员已通过传统方式创建的功能，这些传统方式包括重复复制现有代码、文本和控件元素；使用框架集；对通用元素使用包含文件；使用asp . net用户控件等。
This kind of switch use the unilateral fin - line as the basic transmission line , the beam lead pin diode of alpha co . ltd is the control element , there is two diodes in each channel and they are welded in circuit in parallel connection 本课题主要研究的是毫米波鳍线pin管单刀双掷开关。该开关采用单侧鳍线作为基本传输线，控制器件选用alpha公司的梁式引线pin二极管，每路使用两只，采用并联形式焊接在电路中。
An action in which two or more signals are generated or two or more signal control elements are actuated by an input signal , each one responding consecutively with or without overlap to the magnitude of that input signal 一种作用机能操作过程,使一个输入信号产生两个或更多个信号,或由一个输入信号驱动两个或多个信号控制元件,而所产生的每个信号或所驱动的每个控制元件按其输入信号的大小重叠或非重叠地顺序响应。
The theory analysis and experiment research of giant magnetostrictive actuator ( gma ) are discussed in this thesis . the main purpose of the research is to improve the vibration controlling precision of vibration isolating platform by means of giant magnetostrictive actuator as the active vibration control element 本论文对主动振动控制中的超磁致伸缩执行器( gma )进行了系统的理论分析和实验研究，旨在采用超磁致伸缩执行器作为主动振动控制元件抑制隔振平台的振动，以提高隔振平台的隔振精度。
Superiorinjection moulding in china mainland , designs , manufactures and assembles china - english coloseloop computer - controlled precision injection molsing machine according to the specific - ation of europe plastic and rubber machine manufacturer federation . these injection machine have clamping capacity of 75 to 800 tons and shot capacity of 100 to 4500g and are provided with advanced electrical and hydraulic control elements imported form usa 塑机制造商之一，公司生产的中英文电脑控制之系列精密注塑机，其产品适用于工程塑料及包装用品如： pet聚脂瓶聚碳尼abs等塑料制品的注塑加工，同时本公司也为各专业用户订制生产。
Secondly , the reliable hx control problem of uncertain nonlinear systems with strictly redundant control elements is studied in detail . based on hji . the reliable state feedback controller and output feedback controller are presented . by considering a class of nonlinear time - varying uncertain systems with time - delay and unknown nonlinear disturbances , the linear memoryless dynamic output feedback controller based on a state observer is designed such that , for all admissible uncerntainties as well as actuator failures occurring among a prescribed subset of actuators , the closed - loop system is quadratically stable with an ha norm bound constraint 考虑到时间延迟问题广泛存在于实际系统中，因此，针对一类时滞不确定非线性系统，考虑系统的状态是不可测或者是不完全可测的，设计了基于状态观测器的线性无记忆观测状态反馈控制器，使得故障闭环系统对于任何容许的不确定性和给定执行器集合中任意执行器失效是二次稳定的且对于系统扰动h _范数有界。
Series full - auto pipe expander with drawing device and program interface is used with extruding machine . it is also used solitarily , while expanding pipes , the machine adopts translation , the action is steady and corret , it does not damage pipe materical , the machine adoptes double - infrared heating oven type , each oven is equipped with heating cire , the shaping method adopts expanding - end shaping , the size of pipe mouth is correct . on its panel , there is a transfer swith of expanding solvent type pipe socket ( straigh port ) and expanding sealloop type pipe socket ( rport ) . the choice of expanding pipe type is very convenient , the technologocal adaptability is strong , its main electric control elements are all imported . the syetem charecteristics are steady and reliable 配有与主机配套的接料牵引装置和相应的程序接口，既能与挤管主机联线使用，又可以作单机使用；扩管时管材的移动均采用平移方式，动作平稳准确而且不易损伤管材；这种机型采用红外线加热方式且为双加热炉型，每个加热炉都配有中心加热炉芯；成型方式均采用扩管头定型方式，管口成型尺寸准确；该机型在控制面板上设有扩溶剂型承接口（直口）和扩弹性密封圈型承接口（ r口）的转换开关，扩管方式选择十分方便，工艺适应性强；主要的电器控制元件均采用进口元件，系统性能稳定可靠。
A n lh control system structure , based on high speed ethernet , field bus , programmable logic controllers and general purpose pcs , is proposed . after analyses of the key control elements - temperature and composition , the thesis gives detailed design of the main system control functionalities : electrode control system , alloy material adding control system and operation monitoring system 在此基础上，提出了基于工业高速以太网、现场总线、可编程逻辑控制器、通用工业pc的系统结构方案。分析了lf炉的关键要素? ?温度控制和成份调节，对电极控制系统、合金加料系统及操作监控系统等主要控制系统功能进行了详细设计。
