查询词典 valve control

This article mainly introduced completes with programmable software to the saccharification pot , the dextrinize pot, Boils the pot, the lye pot, the thermal flask, the ice watering can and the disc heat interchanger carries on the temperature xamination control, carries on the examination to the filter-tank temperature To the balance tank fluid position examination control, the thermal flask and the ice watering can fluid position carries on the examination; To wheat juice current capacity examination control, The steam current capacity carries on the measurement; To the saccharification pot, the dextrinize pot, boil the pot clamp cover steam pressure as well as the steam distributor pressure carry on the examination; To various unclear wines liquid pump, Delivers Mai Zhibeng, the mixer and various pipe-line valve according to each operating time order realization automatic control.

本课题综述了啤酒糖化过程自动化过程的软件设计，本文主要介绍了用VB语言来完成对糖化锅、糊化锅、煮沸锅、碱液罐、热水罐、冰水罐及板式换热器进行温度检测控制，对过滤槽温度进行检测；对平衡罐液位检测控制、热水罐和冰水罐液位进行检测；对麦汁流量检测控制，蒸汽流量进行计量；对糖化锅、糊化锅、煮沸锅夹套蒸汽压力以及蒸汽分配器压力进行检测；对各醪液泵、送麦汁泵、搅拌器及各管道阀门按各工作时间顺序实现自动控制。

Software to design. This article mainly introduced completes with programmable software to the saccharification pot , the dextrinize pot, Boils the pot, the lye pot, the thermal flask, the ice watering can and the disc heat interchanger carries on the temperature xamination control, carries on the examination to the filter-tank temperature To the balance tank fluid position examination control, the thermal flask and the ice watering can fluid position carries on the examination; To wheat juice 环境/给排水论文 current capacity examination control, The steam current capacity carries on the measurement; To the saccharification pot, the dextrinize pot, boil the pot clamp co 土建水利论文 ver steam pressure as well as the steam distributor pressure carry on the examination; To various unclear wines liquid pump, Delivers Mai Zhibeng, the mixer and various pipe-line valve according to each operating time order realization automatic control.

本课题综述了啤酒糖化过程自动化过程的软件设计，本文主要介绍了用VB语言来完成对糖化锅、糊化锅、工科论文煮沸锅、碱液罐、热水罐、冰水罐及板式换热器进行温度检测控制，对过滤槽温度进行检测；对平衡罐液位检测控制、热水罐和冰水罐液位进行检测；对麦汁流量检测控制，蒸汽流量进行计量；对糖化锅、糊化锅、煮沸锅夹套蒸汽机械设计压力以及蒸汽分配器压力进行检测；对各醪液泵、送麦汁泵、搅拌器及各管道阀门按各工作时间顺序实现自动控制。

This paper introduces how to use PLC realize PID automation control system in constant liquid level system of waterworks though a instance project. It adjusts liquid level by control the valve though PID arithmetic and deals with outside program, makes the liquid level constant at the expectation value. The adjusting time is the same as manual control, but the water quality is better. Its advantages are reaction rapidness, auto-control disengage intervenor, quick protection of fault, more safety and stabili...

本文以一工程实例介绍了如何用PLC在水厂的滤池实现PID恒水位控制，它通过PID算法和外围的程序处理，通过控制阀门开度来调节水位，使水位基本恒定在期望值，并且阀门调节次数基本与手动调节一样，但水质却明显好很多，更重要的是对现场适应能力强，反应快，而且完全脱离人为干预进行全自动控制，对故障也有快速保护，更具安全稳定性。

This paper introduces how to use PLC realize PID automation control system in constant liquid level system of waterworks though a instance project. It adjusts liquid level by control the valve though PID arithmetic and deals with outside program, makes the liquid level constant at the expectation value. The adjusting time is the same as manual control, but the water quality is better. Its advantages are reaction rapidness, auto-control disengage intervenor, quick protection of fault, more safety and stabilization.

本文以一工程实例介绍了如何用PLC在水厂的滤池实现PID恒水位控制，它通过PID算法和外围的程序处理，通过控制阀门开度来调节水位，使水位基本恒定在期望值，并且阀门调节次数基本与手动调节一样，但水质却明显好很多，更重要的是对现场适应能力强，反应快，而且完全脱离人为干预进行全自动控制，对故障也有快速保护，更具安全稳定性。

The use of temperature control through the transformation of the main pressure control for variable frequency control Shop for closed-loop motor pumps, water pumps, electric power saving rate of the average at more than 30%; 90KW chilled water pump motor current by adjusting the valve at the changes between the 163-148A, the average section less than 6% of electricity by the transformation of the closed-loop control of VVVF, the saving rate is more than 30%.

通过改造采用温度控制为主，压力控制为铺进行闭环变频控制水泵电机，水泵电机平均节电率都在30％以上；90KW冷冻水泵电机靠调节阀门电流在163—148A之间变化，平均节电不足6％，经闭环控制变频调速改造后，节电率平均也在30％以上。

For example: automatic temperature control, scattered converter (Patent No. 992398789), the modular air conditioning unit, temperature control, electrical control of the (cyclone air jet vents spherical, drum-shaped vents) and the temperature of the casual bar adjustable air volume flow, and replacement air, a pressure-type lifting-type air conditioners, high-grade muffler, all heat exchangers, air volume control valve setting, hospital operating rooms dedicated air-conditioning units and other products to improve and perfect the fan disk pipe, variable air volume air conditioners, aluminum tuyere, Pai fans and other products; to enhance the enterprise in the market's competitiveness and vitality.

自动温控散流器（专利号992398789）、组合式空调机组（拥有8项专利技术）、温控、电控的（旋流风口、射流球型喷口、鼓形喷口）和温控的条形可调风量散流器、置换风口、压出式吊装型空调器、高等级消声器、全热交换器、定风量调节阀、医院手术室专用空调机组等系列产品，改进并完善了风机盘管、变风量空调器、铝质风口、排风扇等产品；增强了企业在市场中的竞争能力和活力。

Humane environment control: Best temperature control, lamp control and gas valve control, supply a comfortable environment for TBA mansion.

人性化的环境控制：最佳的温度控制，灯光控制，气阀控制，为TBA大厦提供舒适的环境。

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。

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。

Get up early, grind out hardy. Gain on success.

只有比别人更早更勤奋的努力，才能尝到成功的滋味。

Investors should be noted that, as of last Friday, A-share market in the 1 yuan shares have reached 20 below net asset value up to 129, and almost 1,000 points compared to the period.

投资者应当指出的是，截至上周五，A股市场在1元以下的股票已经达到净资产值高达129，20近1000点的时期相比。