查询词典 speed controller

Then we design the position controller.P-PI position controller and IP position controller are designed by engineering design plan.By comparing, the exoterical analysis and simulation results show that use P-PI position controller can make the output on the trail of the input of the step signal better.

然后，采用工程设计法设计了P-PI位置控制器和IP位置控制器，并对两者的伺服性能进行了比较，理论分析和仿真结果显示，使用P-PI位置伺服控制器，输出能更好的跟踪阶跃信号。

An approximative mathematical model of the temperature controlling system has been constituted and simulated with various controlling strategy, according to the demanded function of the running Microwave Heating Asphalt Pavement Regenerate Repairer. From the result of simulation, it suggests that FPID Controller, which is of superior anti-jamming capability, overmatches Ordinary PI Controller, Traditional PID controller and Integration Separation PID Controller in dynamic characteristic. Consequently, this simulation of model offers a kind of valid method for the constitution of complicated system.

根据沥青路面修复要求实现的功能建立了温度控制系统的近似数学模型，对系统先后进行各种控制仿真，通过仿真发现，系统中模糊整定PID控制算法的动态性能比PI、PID和可积分分离的PID控制的性能要好，且具有较强的抗干扰能力，为复杂系统建模提供了一个有效途径。

Main Products: Flat water level gauge, two-color water level gauge, water level controller electrode, the electrode water-level alarm, special ballasts, electrode-type boiler water level automatic control alarm, float-type automatic control of boiler water level alarm, water tank level display device, liquid level controllers, hot-water boiler alarm, high water tank display controller, display controller pool water level, Water heating system controller.

主要产品：平板水位计、双色水位计、电极水位控制器、电极水位报警器、专用镇流器、电极式锅炉水位自动控制报警器、浮球式锅炉水位自动控制报警器、水箱液位显示仪、液位控制器、热水锅炉报警器、高位水箱显示控制器、水池水位显示控制器、供热系统补水控制器。

In the paper chapter one introduces the background and significance about designing the GPIB controller based on Ethernet. Chapter two describes the whole design idea of the controller, at the same time, introduces ENET protocol, TCP/IP protocol and other associating protocols. Chapter three discusses the hardware and firmware design of ENET-GPIB controller. Chapter four describes how to realize the dynamic link library functions and VISA functions of the controller. Chapter five collogues the trend of ATS. Chapter six summaries the design and give some experience and advice about scientific research.

本文第一章讨论了设计基于ENET 总线的GPIB 控制器背景意义，第二章大致描述控制器的整体设计框架，并简要介绍ENET，TCP/IP 等相关协议；第三章阐述了ENET-GPIB 控制器的硬件电路及底层固件的设计与实现；第四章阐述ENET-GPIB 控制器动态链接库函数和VISA 控制函数的实现；第五章畅谈自动测试系统的发展趋势；第六章对整个ENET-GPIB 控制器设计进行总结，并给出了个人的科研心得体会。

For accelerating the development in China, Invensys Controls has set up an APAC headquarters in Shanghai. At the same time, there are two wholly-owned subsidiaries under Invensys Controls: Invensys Controls Qingdao and Invensys Controls Weihai. They are the professional manufacturers for Temperature Controller for Refrigeration, Defrost Timer and Electronics Controller; Power Modulator for Kitchen; Electronical and Mechanical Controller for Cloth Washer and Dish Washer, Water Valve, Electronics Controller and Pressure Switch, etc.

为推动中国市场的发展，英维思控制系统将亚太区的总部设在上海，同时，控制系统中国区下属的两家独资企业：英维思控制器有限公司和威海英维思控制器有限公司，分别专业化生产冰箱、冰柜用温控器、化霜定时器和电子控制器；厨具用能量调节器；洗衣机、洗碗机用机电程控器、水阀、电子控制器和压力开关等产品。

For accelerating the development in China, Invensys Controls has set up an APAC headquarters in Shanghai. At the same time, there are three wholly-owned subsidiaries under Invensys Controls: Ranco Changzhou, Invensys Controls Qingdao and Invensys Controls Weihai. They are the professional manufacturers for Air Condition Revising Valve, Temperature Controller for Refrigeration, Defrost Timer and Electronics Controller; Power Modulator for Kitchen; Electronical and Mechanical Controller for Cloth Washer and Dish Washer, Water Valve, Electronics Controller and Pressure Switch, etc.

为推动中国市场的发展，英维思控制系统将亚太区的总部设在上海，同时，控制系统中国区下属的三家独资企业：常州兰柯四通阀有限公司，英维思控制器有限公司和威海英维思控制器有限公司，分别专业化生产空调用四通阀；冰箱、冰柜用温控器、化霜定时器和电子控制器；厨具用能量调节器；洗衣机、洗碗机用机电程控器、水阀、电子控制器和压力开关等产品。

From the curve, we linearised the CCS nonlinear model and constructed the T-S fuzzy model of the unit by linking together the linear models of the unit with membership functions. A kind of fuzzy supervisory control system in which using the multi-variable inner model controller or robust controller as its local controller and T-S fuzzy model as the inner model of the supervisory controller has been proposed.

本文的研究内容集中在如下几个方面：根据非线性系统平衡流型和非线性测度的定义，提出了关于平衡流型参数的相对非线性测度的概念，据此绘出了一个具体单元机组机炉协调控制系统模型的相对非线性测度曲线，对此协调控制系统非线性模型进行了线性化，并用隶属度加权的方法将各线性化模型连接成协调控制系统T-S模糊模型。

Aiming at the high-speed matching controlling problems between adaptive filters inplemented by FPGA and the high-speed AD converters, a high-speed sampling and adaptive filtering system was designedusing asynchronous FIFO. The dual channels AD converter AD9238-40 was used as input stage, two asynchronous FIFOs on-chip were used as high-speed buffer memory, and the sampling and adaptive filtering was controlled by FPGA. The asynchronous FIFO was customized and simulated on Quartus II, the sampling and adaptive filtering controller was designed and also simulated on Quartus II. The high-speed matching controlling of the dual channels AD converter AD9238-40 and the adaptive filter was implemented.

针对用FPGA实现的高速自适应滤波器与高速ADC数据处理速度不匹配、容易产生串扰等问题，提出了一种基于异步FIFO技术的高速采样自适应滤波系统方案，选用双通道高速AD9238-40作为前置输入级，用片内异步FIFO作高速缓存，用FPGA控制采样与滤波，给出了系统的结构框图，对异步FIFO与采样滤波控制器进行了仿真，并将异步FIFO与采样滤波控制器集成在同一FPGA上，完成了对双通道高速AD9238与自适应滤波器的高速匹配控制。

The main research contents and results are given as follows:(1) Principles and characteristics of different types of polarization controllers are analyzed, the compare of the difference of these polarization controllers are discussed based on them, drawn a conclusion that the polarization controller which based on squeezing fiber and has variable delay quantity are suitable for high speed optical communication system.(2) The reset principle of the typical four channel polarization controller which is based on squeezing fiber is analyzed, and the design of its concrete reset scheme is given based on them. The reset process and the corresponding operation list are given in detail.(3) The systematical experiment is made when the typical four channel polarization controller is put into the PMD compensator. The experiment result showed that the channel which needs reset can efficiently return to the mean place, and the effect of reset was good, it didn't cause any badness infection on PMD compensation.(4) A new type optical signal time-domain depolarizer is given, and a new PMD compensate method is given based on it.

由此得出延迟量可变型光纤挤压型偏振控制器适用于高速光通信系统的结论；(2)具体分析了典型的四通道光纤挤压型偏振控制器的复位原理，并在此基础上对其进行了具体复位方案的设计，给出了各种情况下的详细复位流程和相应的复位操作列表；(3)将四通道光纤挤压型偏振控制器应用于偏振模色散补偿器中进行系统实验，实验结果表明，需要复位的通道能有效地回到中间值，复位效果良好，且复位未对PMD补偿产生不良影响；(4)设计了一种新型的光信号时域退偏器，并基于该退偏器提出了一种新型的偏振模色散补偿方法。

This high voltage electrostatic precipitation controller has 7 channels of analog input,2 channels of analog output, 12 digital inputs and 16 digital outputs. The analog input includes primary current, secondary current, primary voltage, secondary voltage, etc. Controller uses MAX 187 as the A/D converter, which ensure the sampling speed and the conversion precision in the same time. The processor unit is RCM2250 module. Rabit 2000 processor, a 128K SRAM and a 256K Flash Rom are integrated in RCM2250, which improves the performance of pricipitation controller. MAX504 is used to produce the 4~20mA current output.

模拟量输入采集的信号有升压变压器一次电流、一次电压、二次电流、二次电压等，采用12位逐次比较式A/D转换器MAX187，兼顾采样速率和转换精度；中央处理单元采用以8位嵌入式处理器Rabbit2000为基础的RCM2250模块，外扩128KSRAM和256K Flash ROM，内部资源丰富，提高了控制器的整体性能；模拟量输出采用内带基准源的10位电压输出数模转换器MAX504，实现了标准4～20mA电流信号输出；控制器通过控制算法在相应开关量点上输出可控硅的触发脉冲。

What was it that made you want to change sider ?

是什么使你临阵倒戈？

I don't know what he wants, but let's play along with him.

我不知道他要干什么，可我