Research on water level and flow cascade feedback control of canal 明渠调水工程水位-流量串级反馈控制研究
A method to calculate the vibration power flow in the feedback vibration control system 振动反馈主动控制的功率流计算方法研究
In addition, a calculated flow feedback control method through pressure difference sensing, which controls its volume flow invariable when load pressure changes, is applied to advance system operation performance. 同时,采用压差传感的计算流量反馈控制,能使控制流量不随负载压力的变化而变化,提高了系统的操作性。
In the fourth chapter, the close loop simulation results are presented and compared, using both: speed feedback control method and the computational method flow feedback control. 第四章进行了液压电梯系统的闭环仿真,对比分析了软件计算流量反馈控制和轿厢速度大闭环反馈控制的仿真结果。
Research on calculated flow feedback control method and its characteristic 采用计算流量反馈的流量控制方法及特性研究
Proportional pressure and flow compound control technology was applied in the thrust hydraulic system, and electric feedback proportional control technology was applied in the screw conveyor hydraulic system. Experimental analysis was also carried out on a simulator test rig. 其中推进液压系统采用了比例压力流量复合控制技术,螺旋输送机液压系统采用了电反馈比例控制技术,在模拟试验台上进行了土压平衡实验分析。
At the same time, constant power control of flow compensating feedback is adopted in the design of control circuit. Work principle and output characteristics of the system are analyzed. 同时在控制电路设计上引入流量补偿反馈的恒功率控制,并分析了系统的工作原理及输出特性。
This paper studies the dynamic characteristics of Electro hydraulic Position Servo System, and proposes a method of equivalent flow feedback to realize serial control. 针对单回路电液位置伺服系统的动态特性,提出了一种等效流量反馈的控制方法,从而实现了串级控制。
With real examples, calculation methods of incremental mode PID in automatic systems were explained; design flow and some reference programs of feedback control precision adjust in < Ampere meter, Voltmeter, Wattmeter and Ohmmeter Automatic Calibration System> was also described. 以实例说明增量式PID算法在自动化测试系统中的计算方法以及在《三表自动化计量检定系统》中小量程的反馈控制精度调节的设计流程和部分参考程序。
A calculated flow feedback control method, which takes advantage of pressure difference sensing technique, is introduced. 提出了一种利用压差传感技术获得计算流量并加以反馈的流量控制方法。
The system of traffic flow predictive control with pseudo set point, predictive model, moving optimization and feedback adjustment could realize performance assurance control of traffic flow system, which provides global analysis and decision-making support for the prevention and recovery of traffic congestion. 基于伪给定、预测模型、滚动优化和反馈调节的交通流预测控制系统能够实现有性能保障的交通流系统控制,为交通拥堵预防和拥堵恢复畅通提供全局性的分析和决策支持。
Chapter 2 provides a brief summary of the principle and operation of the calculated flow rate feedback control method. 第二章简单叙述了基于压差传感的计算流量反馈流量控制原理及其实现;
It's the application of a new flow feedback control method in hydraulic elevator, a typical electro-hydraulic system. 主要针对软件计算流量反馈这种新型的流量控制技术,研究其在液压电梯控制领域中应用。
The decoupling control scheme can modulate power flow rapidly and stably in UPFC, but the feedback value is set at a constant point in the power loop. This control scheme has unsatisfactory robustness performances. 统一潮流控制器(UPFC)的交叉解耦控制具有潮流调节迅速、稳定性好的优点,但是其功率环反馈系数按固定参数设定,因而鲁棒性较差。
At last, experiments results on the simulative load using computational method for flow feedback control are analyzed. 进行模拟负载台架实验,分析软件计算流量反馈的实验结果,讨论原因。
The open degree and flow characteristics of control system of EEV are revealed. Steady-state response characteristics of the negative feedback control of flow of EEV and the influence of the steady-state output system with gap characteristics is obtained through the system simulation analysis. 揭示了电子膨胀阀数字控制系统开度与流量特性;通过系统仿真分析获得电子膨胀阀的流量负反馈控制的稳态响应特性与间隙特性对系统稳态输出的影响规律。
The system is based on the upper and lower limits, flow value and the output value of the feedback which set by the users. It was through pump to control the realization of chlorinated tap water and processing the drug. 该系统可以根据用户设定的上下限值、流量值和输出反馈值,通过对电磁泵的控制来实现自来水加氯和加药的闭环反馈控制。