查询词典 direct digital control

The controller overall design is as follows: hardware adopting ARM microprocessor as core; executive system adopting clipped Linux and allocating graph user interface and corresponding device drive program and application program; adopting direct digital dirve technology to heat and damp; adopting fuzzy control technology to control.

该控制器总体设计：硬件以ARM微处理器为核心；操作系统采用剪裁的Linux，配置图形用户界面GUI，配备相应的设备驱动程序和应用程序；加热、加湿采用直接数字驱动技术；控制策略采用模糊控制技术。

Building Automation products mainly include: network control module and related software, direct digital controller, communications module, extension, and so on.

楼宇自控产品主要有：网络控制模块及相关软件、直接数字控制器、通讯模块、扩展模块等。

The logging instrument, with 42 mm diameter, a direct proportional counter and a 256 channel pulse height analyser which is controlled by MCS 8098 micro processor, can simultaneously determine the contents of two or more elements and can preform digital recording, digital control and data processing under the control of the micro processor.

该测井仪井下探管外径42mm，以充稀有气体的正比计数器为探测器，以8098微机芯片管理的256道脉冲幅度分析系统，可以一次下井同时测定两种或多种元素含量，实现了在地面计算机控制下的数字传输、数字收录和数据处理。

T present, Gaupu Corporation's main products include: thermostat for central air conditioning, thermostat for heat supply and heating, motorized valve for three-speed switch fan coil, electric control valve, electric butterfly valve, temperature sensor, humidity sensor, differential pressure controller, differential pressure switch, pressure transmitter, water flow switch, antifreezing switch, air valve performer, direct digital controller and integration software etc.

北京高标自控设备有限公司目前公司主要产品有：中央空调温控器、供热采暖温控器、三速开关风机盘管电动阀、电动调节阀、电动蝶阀、温度传感器、湿度传感器、压差控制器、压差开关、压力变送器、水流开关、防冻开关、风阀执行器、DDC直接数字控制器、上位集成软件等。

Controller appliance has air conditioners, refrigerators, water heaters, ice machines, drinking fountains and many other micro-computer controller; Li-ion battery miner's lamp controller has large batteries, LED lights constant current discharge protection, LED lights have the main, two-way switch function deputy brightness high, condenser, and product technology in the leading domestic level; industrial control equipment have for wave soldering, reflow, such as electronic sensing equipment such as thermometer, high-precision and stable performance for your products and equipment escort; direct digital controller to follow the LonTalk protocol LonWorks node.

家电控制器有空调，冰箱，热水器，制冰机，饮水机等多种微电脑控制器；矿灯控制器具有锂电池大电池充电，LED灯恒流放电保护， LED灯有主，副两路切换功能，亮度高，聚光好，产品技术处于国内领先水平；工控配套设备有用于波峰焊、回流焊等设备的电子传感测温仪器等，高精度及稳定的性能将为您的产品和设备保驾护航；直接数字控制器为遵循LonTalk协议的LonWorks节点。

Its software uses system self-detecting algorithm to assure measurement channel .It uses softening hardware technique software synchronic data sampling to trace the frequency of exterior signal, in other words , it gives sampling control signals 128 times of power net's frequency .It uses Direct Digital Frequency Synthetics algorithm to transform radical sine waveform parameter table into needed current. It uses FFT algorithm to get radical waveform altitude of current ,voltage and resistor .

整个系统在软件设计上采用系统自检验算法保证测量通道可用，采用硬件软化技术--软件锁相环技术，达到对外部信号频率的跟踪，给出频率为电网工频128倍的采样控制信号：直接数字频率合成技术将基波参数表转换成需要的电流信号，采用FFT变换及基波幅度的计算方法得到被测电流、电压基波幅度和电阻大小。

C8051F005 is the control center of the survey meter, the signal is obtained by jaw pressure transformator and current transformator. Direct Digital Frequency Synthetics technology is adopted to automatically adjust the frequency of the actuating signal and avoid the interference of the signal in the ground network.

该检测仪采用C8051F005单片机作为控制处理中心，钳口式电压互感器和电流互感器检测接地电阻信号，运用直接数字频率合成技术自动调整激励信号频率，从而避免地网中干扰信号源的影响。

To plate system is made up of digital workflow, direct seihan machine, digital proofing, Automatic bending version a hole punch consisting of an all-digital operations seihan process, with the introduction of this technology on the newspaper printing quality standardization and acts as a data control.

直接制版系统是由数字工作流程、直接制版机、数码打样、全自动弯版打孔机组成的全数字操作制版流程，这种工艺的推出对报纸印刷的质量标准化、数据化控制起到了推动作用。

The design and the realization of missile wing and rudder load simulation system based on digital signal processor and direct torque control servo driver are discussed.The structure,strategy of control and operation principle of the system are presented.The reason of the superabundant torque and the method which can eliminating the superabundant torque are analysed.

研究以数字信号处理器和以直接转矩控制输出的伺服驱动器为核心的导弹弹翼尾翼加载控制系统的系统结构、控制策略、工作原理及实现方法，详细分析加载系统中多余力矩的产生及抑制方法，解决电动加载系统关键性的两个难点，即快速性和多余力消除。

Keywords: regulated power supply of direct current; single2ch ip m icrocomputer, digital control Abstract:This system to dc voltage source as the core, mainly AT89S52 SCM, through the keyboard controller to install dc power supply output voltage, setting stepping class can reach.01v output voltage, the range of 0-9.9 V, the maximum current 330mA for, and can show the actual pipe by digital output voltage values.

数控直流稳压电源论文关键词：论文关键词：直流稳压电源单片机数字控制论文摘要：论文摘要：本系统以直流电压源为核心，AT89S52 单片机为主控制器，通过键盘来设置直流电源的输出电压，设置步进等级可达 0.1V，输出电压范围为 0—9.9V，最大电流为 330mA，并可由液晶屏显示实际输出电压值。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。