查询词典 loop control

It refers to stepper motor, hydraulic slide valve, position feedback loop combination in the design of internal hydraulic cylinder, connected to hydraulic oil source, all the functions directly through a dedicated digital controller, computer or PLC programmable logic controller A digital pulse signal to complete the length of vector control of high-tech products.

它是指将步进电机、液压滑阀、闭环位置反馈设计组合在液压缸内部，接通液压油源，所有的功能直接通过专用数字控制器、计算机或PLC可编程控制器发出的数字脉冲信号来完成长度矢量可控的高新技术产品。

A decoupling control approach based on inverse system method had been applied for the permanent magnet synchronous motor, which was multi-variable, nonlinear and coupled system. PMSM was decoupled into second-order linear speed subsystem and first-order linear flux subsystem. The servo robust controller was used to design linear closed-loop controller for the pseudo-linear subsystems.

针对永磁同步电机这种多变量、非线性、强耦合的控制对象，应用逆系统方法，将永磁同步电机解耦成二阶线性转速子系统和一阶线性磁链子系统；在此基础上，采用鲁棒伺服控制器对伪线性子系统进行线性闭环控制设计。

Information functional film;Magnetism and nanometer magnetic materials(andtheirapplication inbiomedicine);Mechani-cally pumped CO2 two-phase loop for space thermal control application.

薄膜功能、自旋电子材料与传感器件、磁学与纳米磁性材料，空间热控技术

It is shown that the closed-loop excitation control can be adopted to suppress the low-frequency current oscillations in the system.

本文分析了利用励磁闭环控制抑制系统低频振荡的机理，并提出了励磁闭环控制系统的设计方法。

Nanjing University of Aeronautics and Astronautics,Nanjing,210016Switching power amplifier of magnetic bearing was a nonlinear system.The performance of the switching power amplifier affected the stability of the magnetic bearing control system.A way of establishing the closed-loop system model of magnetic bearing was presented.

磁悬浮轴承开关功率放大器系统为一非线性系统，开关功率放大器的性能影响磁悬浮轴承控制系统的稳定性，为此，提出了一种建立磁悬浮轴承开关功率放大器系统模型的方法。

In this thesis, the Hinf robust loop shaping control of the magnetic bearings for a moment wheel system is investigated.

本文的研究对象为控制力矩陀螺磁悬浮系统，着重研究整个系统的鲁棒Hinf回路成形控制。

According to the robust control H2 optimal performance specification, the practically desired diagonal elements of the system transfer matrix are suggested, and in view of the coupling action existing between the two closed loops, dynamic detuning factors are introduced to design the optimal double-loop controllers, and their executable PI/PID forms are derived using a mathematical rational approximation approach.

根据鲁棒控制H2最优性能指标，提出实际期望实现的系统传函矩阵中的对角元。考虑到两个闭环之间的耦合作用，引入动态解调因子设计最优双回路控制器，采用数学有理逼近的方法得到其实际可执行的PI/PID形式。

The second order mathematical models of inverted pendulum system are expatiated in this paper based on the theory of LQOC(Linear Quadratic Optimal Control), LQY(Linear-Quadratic Yield) controller and LQR(Linear-Quadratic Regulator) are designed to make the inverted pendulum system closed loop stable.

针对倒立摆的稳定控制问题，阐述了二阶倒立摆的数学模型，采用线性二次最优控制理论，设计了倒立摆控制系统的线性二次型调节器和线性二次型输出器，使倒立摆系统闭环稳定。

On the basis of system structure and control principle, Maximum Power Point Tracking algorithm and the software design flowchart of the phase-locked loop are designed.

根据系统的结构和控制原理，设计出最大功率跟踪算法和锁相环的软件设计流程图。

The method was introduced firstly with which LQG control and open loop system mean value and mean square error of a ship lateral motion were calculated.

首先介绍船舶横向运动多变量LQG控制与开环系统均值、均方差计算方法，提出应用两种系统均方盖相对值这一统计指标评价系统减摇控制的鲁棒性。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。