查询词典 speed control

Our main products are :16-24 high-speed wire and cable braiding machine ,9-33 medium-speed spindles and knitting machine flat belt ,8-48 medium-speed circular knitting machine with 8-48 medium-speed wire knitting machine ,3-145 knitting machine flat belt ordinary ,8-148 ordinary circular knitting machine belt, 3 -53 Material straw weaving spindles, multi-line charter Rao ,4-10 electronic high-speed and line machine, automatic single head, double-headed high-speed and line of machines, a variety of automatic retractable wire weaving machine units, shoelaces rolling head machine, crochet machine, lace machine, jacquard machine and knitting machine accessories, spindles, yarn tubes, pressure clasp, such as round-dropping.

公司主要产品有：16-24锭高速电线电缆编织机、9-33锭中速扁带编织机、8-48锭中速圆带编织机、8-48锭中速电线编织机、3-145锭普通扁带编织机、8-148锭普通圆带编织机、3-53锭鞋材草编织机、多头线饶包机、4-10头电子高速并线机、全自动单头、双头高速并线机、多种自动收放线编织机机组、鞋带轧头机、钩编机、花边机、提花机及编织机配件、锭子、纱管、压扣、轮坠等。

Company's main products are :16-24 high-speed wire and cable knitting machines ,9-33 Spindles in the speed Biandai weaving machines ,8-48 medium-speed circular knitting machines with 8-48 medium-speed wire knitting machines, 3-145 ordinary Biandai weaving machines ,8-148 ordinary round with knitting machines, 3 -53 Ingot Shoes straw loom, long lines Rao charter, 4-10 line of electronic and high-speed machines, automatic single, double-headed lines and high-speed machines, multi-line automatic Shoufang weaving machine unit, the first rolling shoelaces Machine, Goubian machines, machine lace, jacquard weaving machines and accessories, spindle, the yarn, the pressure deduction, such as falling round.

公司主要产品有：16-24锭高速电线电缆编织机、9-33锭中速扁带编织机、8-48锭中速圆带编织机、8-48锭中速电线编织机、3-145锭普通扁带编织机、8-148锭普通圆带编织机、3-53锭鞋材草编织机、多头线饶包机、4-10头电子高速并线机、全自动单头、双头高速并线机、多种自动收放线编织机机组、鞋带轧头机、钩编机、花边机、提花机及编织机配件、锭子、纱管、压扣、轮坠等。

Have been selected as statistical index, realizing for the first time the quantitative analysis of the high speed railway capacity with mixed high and medium speed train operations, and the huge amount of plannings of would be unimageable under the condition of manual drawing In the analysis four prime factors--the fleeting interval of high and medium speed trains, the matching of speed for high and medium speed trains, the number of inter-mediate stoppings and the train performance approach, have been given special analysis And a quantitative analysis has been made for the first time with regard to the impact of the variation of above four factors on the demand for the high speed train sets, and concerning conclusions have been drawn from the quantitative analysis.

其中着重分析了高中速列车追踪间隔、高中速列车速度匹配关系、中间站设置数量、组织方式等四个影响通过能力的主要因素。同时，首次定量分析了上述因素的变动与高速动车组需求数量间的关系。此外，从上述量化研究中得出了有关结论。

The paper introduces application of frequency speed control ler on high-voltage plunger pump from frequency control moter speed theory,frequency speed contrcller volume defined and model selection,controlling optimizing and frequency speed control ler's installation,using,keeping.

从变频调速原理、变频调速器容量确定及选型、控制方式优化及变频调速器的安装、使用、维护等方面入手，介绍了变频调速器在高压柱塞泵上的应用情况；并总结出了处理变频调速下电机发热的方法；最后，对变频调速器的优越性能及节能效果进行了分析计算。

In some conventional fan revolution speed control methods, variable control of the number of revolutions of a cooling fan is performed by a process comprising steps of detecting an actual temperature of cooling target fluid, ie fluid to be cooled by the cooling fan, such as hydraulic oil and circulating radiator cooling water for cooling an engine (such cooling water is hereinafter referred to as coolant), determining a target fan revolution speed by a system of a proportional integral control unit based on the difference between the actual temperature detected and a target temperature, and changing the fan revolution speed based on the target fan revolution speed so as to bring the actual temperature of the cooling target fluid down to the target temperature.

在一些传统风扇转速控制方法，控制变量的数目革命的一个冷却风扇，是由一个过程组成的步骤检测到一个实际温度冷却目标流体，即流体被冷却，由冷却风扇，如液压石油和散热器循环冷却水用于冷却发动机（如冷却水是以下简称为制冷剂），确定一个目标风扇转速由一个系统的比例积分控制单元基础上的差异，实际温度检测和目标温度，并改变风扇转速的基础上，针对风扇转速，使实际温度的冷却液指标下降到目标温度。

A mixed sensitivity H∞ control model is constructed and the band width of wind turbine speed control is designed according to the frequency characteristic of wind speed variation and noise of rotating speed sensor. The sensitivity function is decreased within this frequency band to restrain the wind torque perturbation to wind turbine rotating speed control.

通过构造基于复合灵敏度的H∞鲁棒控制模型，根据风速的波动频率范围和传感器的噪声频率范围设计了风车转速控制的带宽，并在此带宽内降低系统的灵敏度函数，来抑制风力转矩对风车转速控制的干扰。

So in this paper based on the characteristics and the optimum state theory of the vehicle, some kinds of control schemes are compared and discussed, and the fuzzy PID control scheme is adopted at last. The relation between air-cushion pressure and fan rotational speed on the optimum driving state is studied. The cushion pressure is used as controlled variable and the fan revolution is used as regulated variable. And transducer and fan motor are actuators.Based on the structure and operating properties of half-tracked air-cushion vehicle, the control system scheme and structure are presented. A control scheme using the self-tuning PID fuzzy logical controller is adopted. Fuzzy rules are set up and some researches have been done for fuzzy tuning method. At the same time the real-time measurement scheme by computer control is proposed, and electric circuits are designed. In the control system of half-tracked air-cushion vehicle cushion pressure P〓 is used as controlled variable and the fan speed n〓 as regulated variable.

因此本文以半履带式气垫车的特性和最佳工作状态理论为指导，通过对各种控制方法的比较与探讨，提出采用模糊PID控制方案，并且研究了在最佳工作状态下垫压及风机转速的关系，提出气垫压力作为控制参数，变频器和风机电机为执行机构，风机转速为调节量；主要进行了自整定模糊PID控制器的设计，研究了自整定PID模糊控制器的实现方法，编制了模糊控制规则，制定了模糊控制参数查询表，并分析了影响自整定模糊控制器相关的影响因素，确定了模糊控制表；为了实现半履带式气垫车的自动控制，还提出了计算机模糊控制系统的原理与结构，设计了相应的测量电路与控制软件。

The thesis contains five chapters. The first chapter summarizes the development and research of switched reluctance drive, discusses the main research direction, and explains the main work in this paper. In chapter 2, hardware system which includes the design of power converter and various control circuit is discussed. TMS320LF2407 DSP is used to design the hardware circuits of SRM control system, and design details including the current detection, position sensing, fault protection, speed detecting, keyboard and display etc. are provided. Because of the full use of the abundant peripheral resources of DSP, it comes to the aim simplifying the circuit structure and heightening the reliability. In chapter 3, the application of neural network on SRM control system is introduced, a new the application of neural network and the method of sampling is proposed and a simulation system based on Matlab/Simulink is established. Chapter 4 discusses the routine designing issue. Because the modularized programming method is adopted, and multi-interrupt processing technique is used, operation efficiency of the control software is highly raised. At last, the foregoing SRM control system is tested. Speed adjustment is realized, and other targets on the research and design of SRM control system are reached, which establishes a good foundation for further research.

本文共分五章，第一章概述了开关磁阻电机调速系统(Switched Reluctance Drive，简称SRD)及其发展和研究现状，论述了其主要研究方向，并说明了本文的主要工作；接下来的一章主要讨论了SRM的硬件系统，主要包括功率变换器的设计和各种控制电路的设计，本文以TMS320LF2407为核心设计了开关磁阻电机控制系统硬件电路，给出了包括电流检测、位置检测、故障保护、测速电路及键盘和显示电路等部分电路的详细设计，充分利用了DSP的丰富外设资源，达到了简化电路结构、提高运行可靠性的目的；第三章介绍了人工神经网络在开关磁阻电机控制系统中的应用，提出了一种新的应用方式(利用GPFN神经网络调节PI参数)以及如何采取样本，搭建了基于Matlab/Simulink的仿真系统；在第四章中，讨论了开关磁阻电机控制软件的设计，采用模块化编程方法，采用基于多中断的控制程序，提高了控制软件的效率；最后，对所设计的开关磁阻电机控制系统进行了实验，实现了电机调速，达到了开关磁阻电机控制系统研究和设计的预期目标，为更近一步研究打下了基础。

The development direction changed direction according to the four-wheeler, the domestic and international company changes direction organization to control to the four-wheeler currently main adoption of is a numeral control, this is owing to a lot of advantages of numerical control:the procedure turn a control, the controller carries on the processing of operation and numerical information according to the control regulation designed, mainly passing procedure to carry out, if change control regulation need to change software, but need not change the hardware structure of system: control the accuracy is high, in the emulation the control the system, the accuracy of the controller from the accuracy of the component but settle, numerical controller accuracy from word long decision;Stability good;The software replies to use, needing a hardware environment of using the homology realization in the emulation the system, the numerical controller is a procedure control, the sub- procedure mold piece which need to be designed and write to carry out its model, can immediately carry out several links of functions expediently.

目前各个厂家大多采用的是PLC、单片机应用于四轮转向控制器中，功能基本能够实现，相比较之下，信号处理能力较强的数字信号处理器各方面均性能优于以上三种处理器。DSP是新世纪数字化革命的核心。它是一种独特的微处理器，具有可编程性，且实时运行速度远远超过通用微处理器。强大的数据处理能力和高速的运行速度，是DSP最值得称道的两大特色。DSP芯片是一种特别适合进行数字信号处理的微处理器。它强调运算处理的实时性，因此除了具备普通微处理器所强调的高速运算和控制功能外，主要针对实时数字信号处理，在处理器结构、指令系统和数据流程上做了很大的改动。它具有灵活、精确、可靠性好、体积小、功耗低和易于大规模集成等优点。

The authors present fundamental principles of several APF control schemes based on DSP such as space vector modulation, hysteresis current control, monocyclic control, slide mode control, dead beat control, repetitive control, predictive control and ANN based control, and the respective merit and demeritof these control method are pointed out.

文章介绍了基于DSP的空间矢量调制、滞环电流控制、单周控制、滑模控制、无差拍控制、重复控制、预测控制、模糊控制以及人工神经网络控制这几种APF控制方案的基本原理，指出了它们各自的优缺点。

Consumer preference ; fuzzy partial ordering relation ; condorect function

消费者偏好；模糊偏序关系； condorect函数

And she doesn't have a cat, she has a Mexican hairless.

而且她不养猫，她养了一只墨西哥无毛犬。