直流电机

VHDL achieved DC Motor Controller General of different procedures they simply / cpld. may need to amend some source code.

vhdl实现的直流电机控制器通用程序对不同fpga/cpld，可能需要修改部分源代码。

This design is used for the control of the core SCM STC89C51 automatic drying rack, the system increases from SCM software PWM DC electromechanical drive L298 Road, humidity and photoelectric sensor signal acquisition circuit, LED display circuit, remote control receiver circuit, a power supply module .

本设计是采用STC89C51单片机为控制核心的自动晾衣架，系统由单片机PWM软件加 L298驱动直流电机电路，湿度和光电传感器信号采集电路，LED显示电路，遥控接收电路，电源模块构成。

This design is used for the control of the core SCM STC89C51 automatic drying rack, the system increases from SCM software PWM DC electromechanical drive L298 Road, humidity and photoelectric sensor signal acquisition circuit, LED display circuit, remote control receiver circuit, a power supply module .

本设计是采用STC89C51单片机为控制核心旳自动晾衣架，系统由单片机PWM软件加 L298驱动直流电机电路，湿度和光电传感器信号采集电路，LED显示电路，遥控接收电路，电源模块构成。

Drawing capstans are arranged in straight-line, the metering capstan is driven by separate DC motor.

鼓轮直线式排列，定速轮单独直流电机驱动，可实现快速换模功能。

PWM's field of application includes Class D audio amplifiers, DC motor speed control, and light dimmers common in homes.

脉宽调制的应用领域包括 D 类音频放大器，直流电机调速控制，并根据调光器，在共同的家园。

AC and DC machines, exciters, governors, stabilizers and inertial models

交流和直流电机，励磁器，调速器，稳定器和惰性气体模型，电表和测量功能

Company main products: specializing in the production of matching shutter fire door electric control box, DC motor control box, such as relays, switches, connectors, terminals, instrumentation, such as matching-based air-conditioning, TV, automobiles, motorcycles, communications, computers, medical equipment business, selling products at home and abroad, by virtue of excellent quality, strong technical force, and considerate after-sales service, has introduced high-quality products to meet different customer needs, deeply domestic and foreign clients.

公司主要产品：专业生产配套卷帘门防火电控箱、直流电机控制箱等继电器、开关、接插件、端子、仪器仪表等为主配套空调、电视机、汽车、摩托车、通讯、计算机、医疗设备等企业，产品畅销国内外，凭借卓越的质量、雄厚的技术力量，及周到的售后服务，不断推出高品质的产品，以满足不同客户的需求，深受国内外客户的青睐。

Direct current motor has the characters of rapid response, high precision, great efficiency, heavy load ability and excellent controlling performance, so it is applied into all kinds of closed loop and half-closed loop control system.

直流电机由于具有响应迅速、精度和效率高、调速范围宽、负载能力大、控制性能优良等特点，被广泛应用于各类闭环和半闭环控制系统中。

This paper introduced USB technology and theory of rotating encoder ;discussed the theory and structure of the wholes system,the realization of the software and hardware;achieved the test and control of the direct current moto

本文介绍了USB技术，旋转编码器的原理，阐述了系统的原理和结构，软件和硬件的具体实现，达成了对直流电机旋转运动的检测与控

SHANGHAI JEELON ELECTRON CO.,LTD is With the Rapid Development Of EXPORT JIAGONG QU JINQIAO PUDONG SHANGHAI.factory automation,various kinds of basic automatic elments are widly adopted.our comany has brought in the advanced international standard technological appliances,including dedicated production lines for sensors from Simens company in Germen,Amenrican silk net printers,English thick film testing instruments and laser reparing and tuning machines,Japanes automatic plunger and so on.

直流电机调速模块、单/三相无级调功调压模块、单/三相集成移相交流调压模块等产品在内的各种工业控制及自动化产品已超过二十年。新一代产品采用了ASIC电路、SMT工艺和数字化技术，并应用了CAD／CAM电脑辅助设计／制造系统，以及按照ISO9001标准建立了全面质量管理保证体系，使产品性能和质量达到九十年代末国际同类产品的先进水平，并在国内处于领先地位。

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。