调速

In order to study dehumidify performance of variable frequency dehumidifier,transducer and performance test system were used to make dehumidifier work at different frequency and monitor dynamic parameter.

利用变频器和性能测试系统分别对除湿机进行变频调速控制和动态参数监测，从而研究变频除湿机的除湿性能。

A method of frequency control for proportion adjusting is put forward by analyzing the adjusting method of dentiform belt feeder in MDM-5 low-pressure bollter made by E.

在分析德国E.Tartler公司生产的MDM-5型低压灌注设备现有齿形皮带机构配比调节方法存有弊端的基础上，提出了应用变频调速方法进行配比调节的方案。

It can be employed to transmit torque by the shear stress of MR fluids.In this paper,the design method of the disc-shaped magnetorheological fan clutch is investigated theoretically.The expressions of the torque and the output rotational speed within the fan clutch is derived to provide the theoretical foundation in the discal design of the clutch.A Bingham model is used to c...

将磁流变液用于发动机冷却系风扇离合器的设计中，在理论上分析了盘式磁流变液调速风扇离合器的工作机理，应用B ingham模型来描述磁流变液的本构方程，建立了离合器的输出转矩与转速的计算模型，导出了离合器基本几何参数的工程设计计算公式，为盘式磁流变风扇离合器的设计提供了理论依据。

This text regard CPLD as the foundation, making use of the language of VHDL, designing in the electronics the help of the automation tool descend to design with the large-scale and programmable logic machine piece( FPGA/ CPLD) a direct current motive keeps a the crest adjusts downcastly soon with measure the system, with a control power supply.

本文以CPLD为基础，利用VHDL语言，在电子设计自动化工具的帮助下用大规模可编程逻辑器件设计了一个直流电动机直顶向下的调速和测量系统，和一个控制电源。

By means of the comparison and analysis to applications of convertional starter and frequency conversion governor inmine exhauster, a useful and practicable electricity-saving pathof exhaust system was found out, so improving systematic saving operation.

通过对传统起动器和变频调速器在矿井抽风机的应用进行比较分析，找出一种抽风系统有效、行的节电途径，以实现通风系统的经济运行。

For example, if we go back to Watt's flyball governor, it was found that , under ceratin circumstances, these systems coule produce self-sustaining oscillations.

例如，让我们看瓦特的摆球调速器，数个研究员证明摆动可以用普通的微分方程表示。

James Watt's flyball governor (1769) regulated steam flow to a steam engine to maintain constant engine speed despite a changing load.

1769年瓦特的飞球调速器，它是一种调节蒸汽流的装置，即使荷载变化仍可保持蒸汽机的转速不变。

Electronics stepless speed regulation,conveyer utilized rotated bar with heatproof tube made of silica gel.

电子无级调速，输送机构采用自转式输送棒，并加耐热硅胶管。

Petri Net-based reference model is put forward. Studies on application of this model to hydroturbine governor are conducted.

提出了基于Petri网的参考模型，并对此模型在ICMMS体系的调速器中的应用进行了探索。

In the paper, first, an overview about the history, current status and trend of hydroturbine governor is discussed.

本文首先概述了水轮机调速器的发展历史、研究现状和发展趋势，接下来对DSP技术的特点作了简要总结。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。