调速器

Uses import PLC programmable automatic control, import frequency ,changer, stepless speed regulation.

采用进口PLC可编程自动控制，进口变频器，无级调速。

The frequency changer velocity modulation technology is technology and so on collection automatic control, micro electron, electric power electron, correspondence to a body high tech technology.

摘要变频器调速技术是集自动控制、微电子、电力电子、通信等技术于一体的高科技技术。

Puts forward a hoister speed governing proposal based on converter technique and fuzzy control theory .

变频技术是应无极调速的要求而产生的，微计算机处理速度的提高则为变频器实现各种复杂的控制算法提供了实时性和快速性的保证。

It introduced the energy regeneration principle of the invertor system, and used the TI digital signal processor TMS320F2811 to design the invertor energy regeneration system.

介绍了变频调速系统能量回馈原理，运用TI公司高性能数字信号处理器TMS320F2811进行变频器能量回馈系统的设计。

At the same time it can attain the purpose of economy energy to economize the coal production cost and raise the business enterprise performance invisibly by using Computer monitor-control and pent grid of converter to moderate the speed of breeze machine. Further more, it avoid some occurrence of explosion trouble strengthens the safety of mineral production.

而且可以利用上位机和变频器对风机进行调速，达到节能的目的，节约煤炭生产成本，无形中提高了企业效益；更重要的是加强了井下生产的安全性，可以避免一些爆炸事故的发生。

So, the study of torque converter, discussion of control means, and enhancement of energy-saving speed regulation are very important.

对偶合器进行研究，探讨适合的控制方法，增加其节能调速能力，具有十分重要的现实意义。

The results obtained from the simulation testing by double digital signal processing system confirm that the DTC system fits for synchronous motor with screw propeller by three level inverter and the system operation performance is perfect.

采用双DSP系统对电动机带螺旋桨负载的推进系统进行了半实物仿真，结果表明文中提出的控制策略能对三电平逆变器供电的同步电动机实施高性能的调速控制。

This positioning servo-system consists of a 16 bits microcomputer, PWM, and optocoders.

摘要本系统由十六位工业控制机、脉宽调速系统、光电编码器三者组成。

In this paper, according to the equation of voltage vector of single-phase motor operating at symmetrical condition, author presents a new voltage-vector PWM method of variable frequency control for single-phase motor. In system, the voltage vector is used as a control parameter.

本文根据单相电动机对称运行时的合成电压矢量方程，提出了以合成电压矢量为控制量的单相电动机电压矢量式PWM变频调速控制方法，并进行了计算机仿真及制作了单相变频器。

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。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。