查询词典 loop control

The results of the research show that self synchronization closed loop control system through detecting the position of zero value of rotating EMF is new and feasible. In principle it solves the problem how to obtain the accurate rotor position of a step, motor from motor parameters. In design it makes the system simple and practical.

研究结果表明，本文研究的永磁感应子式步进电动机自同步闭环系统在原理上，通过旋转电势过零检测解决了能否利用电机参数获得准确的位置控制与自同步运行问题；在方法上采用数字信号逻辑辩识增强了系统的稳定性，解决了系统实现能否简单实用的问题。

According to the above-mentioned technique projectabout simple NC system for plasma arc cutting, an experimental equipment based on open-loop control is made.

根据前面讨论的数控等离子体弧切割系统的技术方案组装了一套开环控制的简易切割装置。

Its main component has water pump of a fan, loop, control advocate board, room of conduit, cistern, sparge, Shui Lian board, cistern and illume.

它的重要组件有排风机、循环水泵、掌控pc主板、通道、水槽、喷雾室、水濂板、水池和照明等。

The closed loop control strategy by model tracking2- freedom rotation speed and the sight-based velocity estimation method are introduced.

提出了模型跟踪2自由度转速闭环控制策略和基于观测器的车速估算方法。

A new accurate technology of online measurement and closed-loop control for spray height of the nozzle was studied.

喷射高度控制系统包括漏包提升执行机构、沉积层厚度在线测量、基于PLC的喷嘴高度控制。

To achieve a good performance both statically and dynamically, closed loop control method has to be applied.

为了使变换器具有良好的动静态特性，变换器必须实现闭环控制。

This low time constant is consistent with the stability requirements of close-loop control systems.

这低时间常数是符合闭回路控制系统中稳定性的要求的。

This system was compatible with the PLC to carry out closed loop control on transverse machine.

它能够和PLC兼容实现对横向机构的闭环控制。

By theoretical analysis, the closed-loop control system is proved to be semi-global uniformly ultimately bounded, and the output tracking error converges to a neighborhood of zero.

通过理论分析，证明了闭环控制系统半全局一致终结有界，跟踪误差收敛到零的一个邻域内。

The closed loop control system simulation was carried out based on ARX model and BP neural network prediction model to prove the feasibility of this method.

为了进一步验证该方法的有效性，设计了梯形、渐变哑铃形和突变哑铃形三种不同形状的工件，以代表实际焊接过程中不同的散热条件。

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。