查询词典 digital control

The invention discloses an integral air conditioner control box connection structure, which is characterized by the following: the control box controls the operation condition of integral air conditioner; the air guide device forms a control box setting panel in connection with the control box; the control box comprises the following parts: front panel with operation part in front of the control box; the cable guide groove connects the top side of front panel and several back boxes are formed on the back of control box for setting component, wherein the air guide device contains control box setting panel which is formed near the position of through-hole to set motor.

一种一体式空调器的控制箱连接结构，其特征在于，它包括如下几个部分：控制一体式空调器的运行状态的控制箱；形成有连接控制箱的控制箱安装面板的空气导向装置；控制箱由以下几个部分构成：前面设置有操作部的前面面板；结合于前面面板，并且上侧面形成有电缆导向槽，后面形成有多个安装构件的后箱；空气导向装置包含有控制箱安装面板，控制箱安装面板形成在安装电机的通孔的相邻位置。

Single loop instantaneous voltage feedback control and multiple loop feedback control, which can be realized by digital method or analogue method, are normal control strategies of inverter. The controller's performance of a same control strategy designed by different designers is different This paper makes out uniform analysis and design theory of inverter control strategies with pole-assignment technique of state-space theory for the first time. It is firstly proposed that controller parameters being equal to control system orders is the base of realizing high performance inverter. Design and performance comparability of various controllers is presented with uniform pole-assignment method.

本文首次采用状态空间理论的极点配置技术，对逆变电源的几种控制策略进行了统一的分析和设计，首次提出控制器控制参数与控制系统阶数相等是高性能逆变器控制实现的基础，并通过极点配置这种统一的设计方法对各种控制器进行了设计和性能比较，分析了要考虑的一些非理想因素的影响。

Firstly, oscilloscope control system based on GPIB technique is presented with friendly operation environment to the HIFU system, and it uses multithreading technique in programming to realize real-time recording and display of the signal; Secondly, temperature collection and data recording system is designed, which also could get real-time recording and display of the 16 channel temperature signal, and it's believed to be of great use for further experiments of the HIFU system; Thirdly, multiple ultrasonic phased array's phase shifter is designed,which could provide 8-bit phase control in a range of frequency where the centrical frequency is 1MHZ. Fourthly, the module of serial communication is realized to insure the communication between devices and computer, including both synchronous and asynchronous communication, which enables the system to transfer data reliably and stably; Finally, the module of digital quantity control is accomplished, which provide for upper application the consistent solution to the control of exterior devices via digital interface. It can get or set the devices state using interrupt mode to receive input signal or send output signal.

主要有以下几个方面：设计了基于GPIB的示波器控制系统，给课题的研究工作提供了一个良好的环境，它采用了多线程编程的方法，能够较好的实时显示当前波形并记录数据；设计了温度采集和数据记录系统，能够对16路温度信号进行并行同步的实时采集，用于HIFU剂量学研究中温度场检测和医疗评价；设计了相控阵相位延时电路并且通过调试，满足了课题的相位控制的要求，在中心频率为1MHZ左右的频率范围内都能够达到8-bit相位控制；实现了串口通讯模块，为各项设备与计算机之间的通讯提供保证，它提供同步和异步的通讯能力，使系统能够可靠稳定的传输数据；建立了数字量控制模块，为上层应用程序提供一致的方法使用数字接口控制外部仪器，它使用中断的方式来接收输入或输出设定的开关量信号，从而得到或设定各种仪器的状态。

Thermal hydraulics: actuation systems, power shift transmission systems, anti-lock braking systems, landing gear, fuel injection systems, active suspension systems, lubrication systems* Gas dynamics: pneumatics, propulsion, sterilization, air and steam cycles, high-pressure gas, gas transmission, adsorption, gas phase reactions, HVAC, ECS, multi-species gaseous systems* Multiphase fluids: refrigeration, air-conditioning, climate control, cryogenic piping networks, steam/water systems, or fuel systems with exotic, volatile fluids.* Systems control hardware and software evaluation data acquisition sampling rates, asynchronous communication, analog and digital electronic filters, control loop execution rates, network (CAN bus communication, etc.* Fuel cells: stationary or mobile.* Electrical systems: AC/DC machines, power electronics, batteries, etc. Flight dynamics, and control systems of all kinds including digital filters

MSC Easy5的独到之处在於：其一，强大的控制系统仿真分析能力，可以建立各种复杂的控制系统模型，包含稳态分析、线性系统分析、频域响应、根轨迹分析等完整的控制系统分析类型；其二，多学科专业应用库，借助专业应用库中的预定义模型元件，向用户提供独一无二的建立系统级模型和研究多学科系统耦合问题的能力；其三，卓越的代码生成和求解器，可以由图形化系统模型自动生成相应的FORTRAN或C源代码，这些代码可以通过编译生成可执行程序，并可被用户调用；其四，高效的高级建模和二次开发功能，方便用户创建用户化模型元件，并可调用外部FORTRAN或C子程序；其五，与其它CAE软件良好的集成能力，可以将不同CAE软件所建立的模型集成到MSC Easy5中建立完整的虚拟样机，是真正的协同仿真平台。

Thermal hydraulics: actuation systems, power shift transmission systems, anti-lock braking systems, landing gear, fuel injection systems, active suspension systems, lubrication systems* Gas dynamics: pneumatics, propulsion, sterilization, air and steam cycles, high-pressure gas, gas transmission, adsorption, gas phase reactions, HVAC, ECS, multi-species gaseous systems* Multiphase fluids: refrigeration, air-conditioning, climate control, cryogenic piping networks, steam/water systems, or fuel systems with exotic, volatile fluids.* Systems control hardware and software evaluation data acquisition sampling rates, asynchronous communication, analog and digital electronic filters, control loop execution rates, network (CAN bus communication, etc.* Fuel cells: stationary or mobile.* Electrical systems: AC/DC machines, power electronics, batteries, etc. Flight dynamics, and control systems of all kinds including digital filters

MSC Easy5的独到之处在于：其一，强大的控制系统仿真分析能力，可以建立各种复杂的控制系统模型，包含稳态分析、线性系统分析、频域响应、根轨迹分析等完整的控制系统分析类型；其二，多学科专业应用库，借助专业应用库中的预定义模型元件，向用户提供独一无二的建立系统级模型和研究多学科系统耦合问题的能力；其三，卓越的代码生成和求解器，可以由图形化系统模型自动生成相应的FORTRAN或C源代码，这些代码可以通过编译生成可执行程序，并可被用户调用；其四，高效的高级建模和二次开发功能，方便用户创建用户化模型元件，并可调用外部FORTRAN或C子程序；其五，与其它CAE软件良好的集成能力，可以将不同CAE软件所建立的模型集成到MSC Easy5中建立完整的虚拟样机，是真正的协同仿真平台。

Digital signal processor with high speed arithmetic and logic operation is the base for its digital realization. In this paper, it introduces the principle of direct torque control and the character of TMS320LF2407 digital signal processor. At the same time, it gives the software and hardware design of direct torque control system for asynchronous-motor based on the TMS320LF2407 DSP.

本文介绍了直接转矩控制的基本原理及TMS320LF2407 DSP的特点，给出了以TMS320LF2407 DSP为核心的异步电动机直接转矩控制系统的设计方案及软硬件的实现，同时对直接转矩控制系统进行了实验和仿真，验证了直接转矩控制技术的优良性能。

Domestic and overseas new technologies about conference system based on digital network in recent years are introduced, namely digital processing and transmission, high-frequency and infrared transmission, NOMA, mute corresponding interaction, camera shot auto tracking, video conference system, interactive digital board, multi-assembly-room system control, and audio-video and lighting network centralized control platform technology.

着重介绍近年国内外基于数字网络的会议系统新技术如数字处理和传输、高频和红外传输、NOMA、哑声对应互动、摄像自动跟踪、会议电视、交互数字白板以及多会议室系统控制和声像灯光网络化集控平台等技术，并举出典型的应用实例。

The paper chooses the assembly of aircraft digital assembly location as a research object, chooses the assembly of aircraft section as a research example, aims to study the method of aircraft digital assembly location, focuses on the research of the structure of digital assemble control prototype system for aircraft section based on laser measurement, develops the servo control device and related software based on LM629, ATmega128 and LMD18200, completes the construction of the system based on the assembly of aircraft section.

以飞机的数字化装配定位为研究对象，以飞机舱段的装配为例，以探索飞机数字化装配的方法为目的，通过对基于激光测量的飞机舱段数字化装配定位控制原型系统结构的研究，采用运动控制芯片LM629、单片机ATmega128和功率放大芯片LMD18200构成了伺服系统控制随动装置，并开发了相关软件系统，完成了基于舱段大部件装配的数字化装配定位控制原型系统的设计开发。

Mobile phones, phone, fingerprints, remote control, a form of the password—–sushi digital locks Since 1979, now self-developed products are: intelligent digital locks, Fingerprint locks, digital remote control locks, electronic password locks, stainless steel padlocks, stainless steel round cake locks, automatic enactors, NC trajectory automatic welding machine, the products have been sold in 31 provinces.

手机、电话、指纹、遥控、密码等任一方式开锁—–苏士数码锁杭州苏士数码锁业有限公司将产品定位于中高档锁具的研发与生产，致力成为业界的革新者自2000年发展至今，自主研发产品有：数码智能锁、数码指纹锁、数码遥控锁、电子密码锁、不锈钢挂锁、不锈钢圆饼锁、自动送料机、数控轨迹自动焊接机床等，产品已销往全国31个省、市、自治区，并被配套于相关工程中，现已形成了广泛的销售网络和良好的用户服务体系

Mobile phones, phone, fingerprints, remote control, a form of the password-----sushi digital locks Since 1979, now self-developed products are: intelligent digital locks, Fingerprint locks, digital remote control locks, electronic password locks, stainless steel padlocks, stainless steel round cake locks, automatic enactors, NC trajectory automatic welding machine, the products have been sold in 31 provinces.

自2000年发展至今，自主研发产品有：数码智能锁、数码指纹锁、数码遥控锁、电子密码锁、不锈钢挂锁、不锈钢圆饼锁、自动送料机、数控轨迹自动焊接机床等，产品已销往全国31个省、市、自治区，并被配套于相关工程中，现已形成了广泛的销售网络和良好的用户服务体系。

Metrorrhagia is also gynaecological problems of common diseases.

崩漏是妇科常见病也是疑难症。

WordFTP gives you the convenience and timesaving you need.

wordftp让您的方便和省时您所需要的。