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- 介绍了步进电动机的发展史,及国内的现状和步进电动机未来的应用前景。并且阐述了步进电动机转速、角度、转矩的控制原理。本文阐述了一种步进电机控制器的设计方案，并绘制了原理图和PCB板图，撰写了程序源代码。实现了对步进电动机转速、角度的控制，并完成了实物的制作。这期间主要使用protel99se软件绘制原理图和制板，使用proteus7.1软件进行程序代码的仿真和功能的理论验证。最后通过硬件的调试验证程序代码的实际功能，完成对控制器的设计。-Introduced the development his
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- Apply Bending Moment or Torque on a Cross Section
High-precision-Servo
- 大扭矩力矩电机是高档数控机床的关键基础部件，其伺服系统控制性能优劣直接影响机电设备的控制质量。 文章简要介绍了大扭矩力矩电机的基本控制特性，着重介绍了一种基于大扭矩力矩电机的全数字伺服驱动器的控制 单元构成和功率电路设计，其中采用F2812 DSP作为控制芯片。实际运行结果表明，伺服系统设计合理，性能可 靠，达到了高性能、高精度的要求-Abstract：Large—torque torque motors are key basic components of the high．gr
three-article-of-power-electronics-
- 1.Analysis and design of DSP-based dual-loop controlled UPS inverters 2.A Family of Random PWM Algorithms for Reduction of TorqueRipple and Current Harmonics of Direct Torque Controlled OpenEnd Winding Induction Motor 3.Applications of cascade mu
60-448-1-PB
- Modeling and Control of a DFIG-Based Wind Turbine During a Grid Voltage Drop Doubly-fed induction generators (DFIG) are widely used in wind energy generation systems. During a grid voltage drop, performance is degraded with rotor over current
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- The aim of this paper is to present the difference of induction machine electromechanical characteristics in motor and generator operating modes. Firstly, the paper presents analytically derived equations, which are based on equivalent circuit and
6161-19375-1-PB
- 1Abstract—Today, linear induction motors spread out in the field of transportation and many industrial fields such as railway and electromagnetic launcher systems. Especially, high efficiency control and fast dynamic response are demanded for