调速

The results show that it is feasible to remove the tailwater surge chamber at the station in consideration of the optimized closing of the guide blades and the properties of the units.

计算表明，通过考虑机组特性、优化机组导叶关闭规律及合理整定调速器参数，该水电站取消尾水调压室的方案是可行的，其各设计参数控制值基本上能满足设计要求。

The experiment proves: The system of timing of purpose apply the brake that uses shoe switch and decelerate top composition, it is feasible that in exercise quantity bigger mechanization hump switchyard is used.

试验证实：利用脱鞋道岔和减速顶组成的目的制动调速系统，在作业量较大的机械化驼峰调车场采用是可行的。

AC motor speed control by terminal voltage with feedback is quite useful for pump machines.

带反馈的交流调压调速系统适用于风机、水泵等负载。

The simulation results prove that using the SimPowerSystem of MATLAB to simulate the speed control procedure is simple and easy to operate. It can help us understand and design the AC motor speed control by terminal voltage system.

仿真实验结果表明，结合SIMULINK中的电气控制模块库进行仿真，具有建模简单、结构直观和操作灵活等优点，有助于设计和了解异步电动机调压调速系统。

In the article introduced the monolithic integrated circuit to the electric motor the control, elaborated the crystal thyratron accent presses the velocity modulation the principle by and its the control system principle of work, introduced the hardware system design and the software system establishment.

文中介绍了单片机对电动机的控制，阐述了晶闸管调压调速的原理以及其控制系统的工作原理，介绍了硬件系统的设计和软件系统的编制。

Our main products include many important springs such as the valve diesel engine, oil-pump, oil- spigot, actiyator, booster,full springs used in the valve and camshaft of the automobile and motorcycle,every kind of general compressed ,drawing, turned , clockwork and dishing springs,every kind of cone-shaped, convex, dished and tower-shaped springs with different diameter, pitch and multilayer tubbish.

主要品种有柴油机气阀、油泵、油嘴、调速器、调压等各种重要用途弹簧：汽车、摩托车气阀、凸轮轴等全机簧；各种通用的压缩、拉伸、扭转、发条、碟形等弹簧；锥形、中凸、中凹、塔状等各种变直径、变节距异形弹簧、多层筒式弹簧等。

This machine uses the frequency conversion velometer, has the injection stride width adjustable function.

本机采用变频型调速器，链条步进距离和步进速度及针头注射速度同步可调。

The Company specializes in many years, AC-DC voltage regulator technology development and production of speed, experience and strong technical force.

本公司专业从事多年的交直流调压调速技术的开发生产，经验丰富、技术力量强。

Focusing on some disadvantages in standard BP algorithm, such as low convergence rate, easily falling into local minimum point and weak global search capability, Genetic algorithm is used to optimal the connection weight of BP Algorithm in this paper, and construct a GA-BP algorithm of evolutionary neural network, and the algorithm is applied to the control of BLDCM speed adjusting system.

针对标准BP算法存在全局搜索能力弱和易陷入局部极小点等缺点，本文将遗传算法与BP神经网络相结合，构造了一种新的进化神经网络GA-BP算法，并将该算法应用于无刷直流电机调速系统的控制，仿真结果表明，与传统的PI控制系统相比，该算法得出的电机控制曲线几乎无超调，与基于BP算法的速度控制系统相比较，具有收敛速度快、不易陷入局部极小的优点。

The simulation result indicates that the fuzzy controller makes the speed regulation system of shearer response quickly, small overmodulation, reliable performance and no dependence of model parameter, has strong robustness comparing to traditional controller.

仿真结果表明：模糊控制器和传统控制器相比，可使采煤机调速系统响应快、超调小，性能稳定可靠，并对模型参数不依赖，具有较强的鲁棒性。

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。