查询词典 network control

But because of some bugs, they cannot be applied more widely. Base on these, a new control method called ""self-organized fuzzy control base on dynamic structure neural network ""is proposed in this article. It syncretizes the strongpoint of Fuzzy control and Neural Net control, and attain optimization control with the adjusting the number of the net's layer.

针对这种时变大时滞被控对象的特点，目前主要采用Smith、Dahlin和IMC控制，这些控制方法在某方面可能得到一定应用，但由于其本身存在某些缺陷，因此不可能得到广泛应用，笔者在此基础上提出了一种基于动态结构的神经网络自组织模糊控制，它融合了神经网络和模糊控制的优点，并能通过在线调整网络的层数以达到最优控制的效果。

With the development of computer and communication technology, it is more and more indescribable that the people's demand in the Internet, so the more and the better control mechanisms which could smooth the network act very important actions, the congestion control is one of the crux, that is how avoid or eliminate the congestion in the network availability, so as to the network runs in the best and the low-grade congest state basically.

随着计算机和通信技术的发展，人们对Internet的需求已经越来越超乎想象，因此更多、更合理的控制机制对现有网络的顺畅运作起着非常重要的作用，其中最基本、最关键的就是拥塞控制，即如何有效防止或消除网络出现的拥塞，使网络基本运行在轻度拥塞的最佳状态。

Main intelligent control all types of buildings (including access control, security, Patrol, fire interaction, environmental monitoring, video surveillance, etc.), network systems integration (including large and medium-sized MAN, the network, campus network, the banking system ), And other information systems planning, design, construction, testing and operation and maintenance, the provision of professional industry solutions and industry applications advice.

主营各类楼宇智能控制（包括门禁、安防、巡更、消防联动、环境监测、图象监控等）、网络系统集成（包括大、中型城域网、政府网、校园网、银行系统）等信息系统的规划、设计、建设、测试和运行维护，提供专业的行业解决方案和行业应用咨询。

With the development of communication and network technology, more and more control systems are connecting with State Power Data network. Especially the power market is being put into operation, and more data are exchanged. The control system and data network face a big challenge about security, reliability and real time operation.

随着通信技术和网络技术的发展，接入电力调度数据网的控制系统越来越多，特别是电力市场的发展，数据交换非常频繁，这对电力控制系统和数据信息网络的安全性、可靠性和实时性提出了新的挑战。

A neural network predictive control based on neural network multistep prediction and a neural network predictive control for autopilots of ships based on fuzzy predictive model are proposed.

提出了基于神经网络多步预测输出的船舶航行神经网络预测控制。提出了基于模糊预测模型的船舶航行神经网络预测控制。

The core issue of nutrient control was focused and the dynamic studies on phosphorus pollution of the whole watershed were conduced: 1 to highlight the non-point source pollution control, which is the difficulties research subject of water resource protection; 2 to perfect the calculation method for phosphate input and output, providing important basis on decision making for nutrient control; 3 to establish database and water quality model, to predict the water quality response after different phosphorus control schemes realized; 4 to determine admissible phosphorus loading and control standard according to the quantitative relationship between the external force function (mainly the exotic nutrient salt concentration or loading) and internal nutrient state response, and to work out the effective and practical techniques for eutrophication control.

围绕营养盐控制的核心问题，进行全流域范围磷污染的动态研究：1）突出了目前我国水资源保护研究难点—非点源污染控制；2）完善了流域水库磷盐收支计算方法，为流域营养盐控制决策提供了重要依据；3）建立数据库和水质模型，预测了在实施不同磷削减控制方案后流域供水水质的响应情况；4）根据湖泊外力函数（主要是外来营养盐浓度或负荷）与湖库内营养状态响应间的定量关系，确定了磷允许负荷量及控制标准，提出了有效的富营养化控制实用技术。

For the aim of saving energy and optimizing control of chilled systems, the performance of VWV systems and characteristics of control systems were analyzed based on the simulation. According to the characteristic of the monitored parameters and controlled variables in VWV systems, three online optimal control strategies were proposed and validated:(1) Optimal strategy for on/off control of chillers according to the ratio of secondary flow rate to primary flow rate.(2) Optimal strategy for the control of secondary pump according to value positions of auto-controlled AHU vales. And (3) Optimal strategy for supply chilled water temperature control of chillers according to valve positions of auto-controlled AHU valves and working status of secondary pump.

为达到节能和优化系统控制的目的，在楼宇空调水系统及其局部控制仿真分析的基础上，针对变流量系统监测点和可调参数较多的特点，提出并验证了3个实时优化控制方案：根据初级和二级冷谋水流量的比率，实时优化多台冷水机组的启／停控制；利用AHU自动控制水阀的阀位信息，实时优化二级水泵的控制；利用AHU自动控制水阀的阀位信息以及二级泵的工作状况，实时优化冷水机组出水温度的控制。

Electric control valve for variable displacement is a novel control component in automotive air conditioners, which turns mechanic capacity control into electric control. It can use optimal algorithms to control capacity, and has interface with automotive systematic control unit. It has fantastic foreground.

变排量压缩机电动控制阀是目前在轿车空调系统中出现的一种新型容量控制元件，它完成了容量控制由机械式调节到电动控制的转化，不仅能够采用优化控制算法实现制冷系统的多元控制，而且为轿车整车系统控制提供了接口，市场前景很好。

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。

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。

Bob Eckert has been chairman and chief executive of Mattel for eight years.

美泰董事长兼首席执行官鲍勃·埃克尔特在任已8年。

The outlook for honors and disgraces carries on and surpasses the traditional outlook for honors and disgraces theoretically, and carries on and develops the theory of construction of socialist mora...

社会主义荣辱观的提出在理论上是对传统荣辱观的一次继承和超越，是对社会主义道德建设理论的继承和发展，在实践上有利于形成良好的社会风尚。