Pocket Labs Development Using NI myDAQ Data Acquisition Device

2020 IEEE Problems of Automated Electrodrive. Theory and Practice (PAEP) Pub Date : 2020-09-21 DOI:10.1109/PAEP49887.2020.9240823

Mykola V. Anishchenko, V. Zaleskyi

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Abstract

The paper presents the Pocket Lab for studying DC micro motors. The main goal of this laboratory is to study a DC motor with a pulse-width converter. The laboratory setup includes DC motor, voltage converter board and portable data acquisition device NI myDAQ. The main component of the converter board is an H-Bridge designed for driving DC and stepper motors. To perform the laboratory setup it’s necessary to have installed drivers NI ELVISmx and the programming environment NI LabVIEW and NI myDAQ connected with the converter board plugged into PC. The control signals from digital outputs of the NI myDAQ allows to perform rotation direction change and braking of the tested DC motor. Virtual Instruments have been developed in NI LabVIEW for studying motor speed control, reversing and electric braking, pulse-width modulation, measuring speed and current, and plotting the speed-current diagram. The description of the experiment setup and the procedure of conducting experiments are given below. The results of some experiments have been presented. The advantages of Pocket Labs and the problems of their integration into the educational process are highlighted.

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口袋实验室开发使用NI myDAQ数据采集设备

本文介绍了用于研究直流微电机的袖珍实验室。本实验的主要目标是研究一个带脉宽变换器的直流电动机。实验装置包括直流电机、电压转换板和便携式数据采集设备NI myDAQ。转换板的主要部件是驱动直流电机和步进电机的h桥。要执行实验室设置，必须安装驱动程序NI ELVISmx和编程环境NI LabVIEW和NI myDAQ，并将其与插入PC的转换板连接。来自NI myDAQ数字输出的控制信号允许执行旋转方向变化和测试直流电机的制动。在NI LabVIEW中开发了虚拟仪器，用于研究电机调速、换向和电制动、脉宽调制、速度和电流测量以及绘制速度-电流图。实验设置及实验步骤说明如下。给出了一些实验结果。强调了Pocket Labs的优势及其融入教育过程的问题。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2020 IEEE Problems of Automated Electrodrive. Theory and Practice (PAEP)

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