查询词典 cascade control

The traditional control strategy of it is to use general PID cascade control method which is based on plant model.

PID控制是最早发展起来的工业过程控制方法，目前，PID控制仍然是应用最为广泛的控制策略之一，因为它所涉及的设计算法和控制结构非常简单，易于参数调整。

A compound control strategy based on three-loop cascade control and improved PID algorithm is proposed in this regard.

为此，提出了一种基于三环串级控制与改进的PID算法相结合的控制策略。

Oven temperature control is a big pure lag system. We have adopted the PID cascade control to solve this problem.

烘箱温度控制系统是一个大纯滞后控制系统，我们采用了PID串级控制方法，有效地解决了这个问题。

This paper mainly introduces the structure,working principle and controller tuning method of boiler cascade three-parameter control system.And the characteristic of this control system is simulated.

主要介绍了锅炉串级三冲量控制系统的结构、工作原理及其控制器的整定方法，并针对此控制系统的特点对其进行了仿真试验。

The principle of laser diode digital temperature control system is introduced. Aiming at the characteristics of controlled object, the mathematical model of the system is constructed and analyzed. By adopting the method of dual-closed-loop cascade control system, the structure of system hardware is designed and the implementing measure of software is introduced.

介绍了半导体激光器数字温度控制系统的工作原理，针对被控对象的特点，建立和分析了系统的数学模型，并采用双闭环串级调节系统结构的方法，设计了系统的硬件结构，介绍了软件实现方法。

This thesis explains a kind of three-element value cascade control method which is applied in the power plant to control the water level in the steam boiler.

文章介绍了一种已实际应用的电厂锅炉汽包水位三冲量串级控制方法。

In order to design the controller of gas engine-driven heat pump system, the system s dynamic response was researched when a kind of control strategy for GEHP——cascade fuzzy control was used.

为了设计燃气热泵系统的控制器，通过仿真试验对利用串级模糊控制时系统的动态响应过程进行了研究，介绍了串级模糊控制系统的结构和参数设计，并比较了串级PI控制和串级模糊控制两种策略下系统的阶跃响应，以及它们克服干扰的效果。

Main steam pressure ; radiation signal ; cascade control system ; internal model control ; step response

主汽压力；辐射能信号；串级控制系统；内模控制；阶跃响应

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。

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This new product will become our best seller.

这个新产品会成为我们最畅销的产品。