NEW基于LabVIEW的电机转速测量与控制虚拟仪器设计.doc

. .. 本科毕业设计任务书 设计题目 基于LabVIEW的电机转速 测量与控制虚拟仪器设计 学 院 机械与电气工程学院 专 业 机械设计制造及其自动化 班 级 学 号 学生姓名 指导教师 基于LabVIEW的电机转速测量与控制虚拟仪器设计 机械设计制造及其自动化 专业 指导老师 摘要 本文先简述电机测速与控制的意义以及国内外的电机发展概况，然后介绍传感器测量电机转速的相关方法以及几种常用的转速控制方法。基于LabVIEW平台和NI公司的USB6008采集卡，通过光电传感器将采集到的电压信号转化为脉冲信号，再经过对脉冲信号的周期测量及数学运算，从而得出电机的实时转速。在调节电机转速方面，主要是通过调节电机电枢的电压，达到调速的效果，同时使用PID控制理论，让转速能够在短时间内达到用户的需求。 关键词 LabVIEW；转速测量；电机控制；PID控制 ABSTRACT The thesis firstly outlines the significance of motor speed’s measurement and control as well as the development of motor at home and abroad. Besides, the related methods of sensor measuring motor speed and the other commonly used methods are also introduced. Based on LabVIEW platform, the voltage signal collected by NI USB6008 capture card and photoelectric sensor can be transformed into the pulse one. And then, after the periodic measurement and mathematical calculation of the pulse signal, the real-time motor speed can be worked out. As for the regulation of motor speed, the effect of speed control can be achieved mainly by adjusting the voltage of motor armature. At the same time, the speed can meet the demand of users in a short period of time in accordance with the PID control theory. KEY WORDS LabVIEW；Motor speed measurement；Motor control；PID control 目录 TOC \o 1-3 \h \z \u HYPERLINK \l _Toc357621354 1．前 言 PAGEREF _Toc357621354 \h 1 HYPERLINK \l _Toc357621355 1.1 选题目的和意义 PAGEREF _Toc357621355 \h 1 HYPERLINK \l _Toc357621356 1.2 国内外微电机发展概况 PAGEREF _Toc357621356 \h 2 HYPERLINK \l _Toc357621357 1.2.1 我国微电机行业现状 PAGEREF _Toc357621357 \h 2 HYPERLINK \l _Toc357621358 1.2.2 国外微电机行业现状 PAGEREF _Toc357621358 \h 2 HYPERLINK \l _Toc357621359 1.3 电机控制相关技术发展现状 PAGEREF _Toc357621359 \h 2 HYPERLINK \l _Toc357621360 1.4 本课题设计要求 PAGEREF _Toc357621360 \h 2 HYPERLINK \l _Toc35762