查询词典 motor control

SRD has the both advantages that asynchronism motor frequency conversion dirve and direct current motor dirve have.Using TMS320LF2407 DSP for motor control, made in TI CO.

本文以TI公司的TMS320LF2407型号电机控制专用DSP芯片为主控制核心，研究设计了一套3KW开关磁阻电动机调速系统，并进行理论和实验分析。

Based on the analysis of the function of intelligent motor monitor required by the motors, a type of intelligent motor monitor has been developed supervising the motors on manufacturing field, the distributed supervision and management for the field operation motors are performed with the motor control center.

本文在分析电动机对智能监控器功能要求的基础上，开发了一种用于监控和保护工业生产现场电动机的电动机智能监控器，实现了控制中心对工业生产现场电动机的全分布式智能化监控和管理。

Cortical plasticity. Motor psychophysics and computational approaches to motor control, and motor planning.

皮质可塑性，运动心理物理学，及以计算机辅助来研究运动控制及运动制定。

Stepper motor control, can be a good learning SCM stepper motor control and application of the principle.

步进电机控制，能很好地学习单片机控制步进电机的原理及应用。

The research work of this paper is divided into five parts: The first ,according to the work characteristics of ship's auxiliary boiler, this paper is to design applied project in the automatic control system of ship's auxiliary boiler; The second, according to the work request of the cargo winch of alternating three-speed change-pole speed-adjusting, this paper is to determine adopting the method of the PLC control; The third, this paper is to design PLC application in three -phase induction motor control, to give the ladder chart, program and input and output circuit diagram; The fourth, this paper is to research the method of the ship's combined starting screen automatic control with the PLC; The fifth, this paper is to inquire the possibility of apply the PLC in ship's engine room surveillance system; According to the comprehensive analysis of above actual example of ship's auxiliary machinery automatic system with the technique of PLC; not only can use the technique of PLC to replace traditional relay-contactor control technique in ship's auxiliary machinery automatic system, but also can get the conclusion of the former is more dependable and more clever than the latter, the maintenance is more convenient, thus develop a new path for ship automation.

本文研究的工作主要包括五个部分：第一，根据船舶辅锅炉的工作特点，设计PLC在船舶辅锅炉自动控制系统中的应用方案，主要有PLC选型及输入输出点的设计，画出系统控制梯形图并分析工作原理；第二，根据交流三速变极调速起货机的工作要求，确定采用PLC控制的方法，进行控制系统的硬件设计和软件设计，并分析工作原理：第三，设计了PLC在三相异步电动机控制中的应用，给出了控制梯形图、程序及输入、输出接线图；第四，研究了用PLC实现船舶组合起动屏自动控制的方法，进行了系统的电源设计和软件设计，给出系统工作流程图；第五，探讨了船舶机舱监视系统应用PLC的可行性，将继电器报警线路改为用PLC控制报警，给出系统硬件图和软件梯形图，并分析了PLC机的选型、抗干扰和应用PLC的经济效益和社会效益等问题。综合以上船舶辅助机械自动控制系统采用PLC技术的实例分析，可以得出船舶辅助机械自动控制系统不但可以使用PLC技术取代传统的继电器接触器控制技术，而且前者比后者更可靠、更小巧，维护保养更方便的结论，从而为船舶自动化开辟了一条新的路径。无忧毕业设计网 www.5ubs.cn

When the hooklike probe is higher than the position, the DC motor rotates reversely immediately, if lower, the motor rounds rightly.

标 签 SPMC75F2413A单片机直流电机编码器 PID反馈控制 SPMC75F2413A SMC DC motor coder PID feedback control

The experiment result shows that this control method can improve the dynamic performance of the motor control system, which accelarates motor responds and restrains overshoots. For the step external disturbance, the system speed only shows a pulse fluctuation with a width of 0.1 s, and the amplitude is one half of that of PID controller.

实验结果表明，该控制方法显著地改善了电机控制系统的动态性能，使电机响应迅速而且没有超调；对于阶跃型外界扰动，系统的速度仅出现了宽度为0.1 s的脉冲型波动，且幅度比PID控制至少减小50%。

With development of the industrial control system,programmable logic controller is widely used in dividing shear of Baosteel Heavy Plate Mill,especially in the fields of the main motor control of dividing shear ,collection and analysis of PDA data,control of pinch rolls, adjustment control of knife gaps,shearing process control,etc.

随着工业控制系统的不断发展，可编程控制器在宝钢分公司厚板厂定尺剪系统中得到了全新的应用，尤其在定尺剪的主电机控制、PDA数据采集和分析、夹送辊控制、剪刃间隙调整控制、剪切过程控制等方面得到了应用。

At last ,it drew a conclusion that summarined the design thought of permanent magnetic brushless DC motor control system after absenting waves of controllers work . Permanent Magnetic Brushless DC motor control system canbecome main power source in ship electric propulsion field ,and the research have important s signification.

最后，在控制系统实际运行时对波形进行了观测，给出了结论，总结了无刷直流电机控制系统的设计思想，提出永磁无刷直流电机将成为船舶电力推进的主要动力，对其控制系统的研究具有广泛的应用价值。

Brushless DC motor driver for the use of six-phase control procedures, can be used for six three-phase full-bridge driver circuit of brushless DC motor control.

详细说明：无刷直流电机驱动程序，采用六段换相控制程序，可用于六管三相全桥驱动电路的无刷直流电机控制。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。