![]() From tachometer, the output is sent back to the PID Controller in LabVIEW via Arduino board. Tachometer is a sensor which measures the revolutions. The speed of the dc motor will be sensed by using the tachometer. DC motor will move with the speed set by the user in LabVIEW. LabVIEW will in turn pass this speed to the DC motor using a PWM pins on the Arduino Uno board. The speed of the DC motor will be set by creating a Graphic User Interface (GUI) for PID Controller in LabVIEW. Arduino Uno board plays the role of low cost data acquisition board. DC Motor will be interfaced with LabVIEW using an Arduino Uno board. The aim of this paper is to show how DC motor can be controlled by using a PID controller in LabVIEW. Controlling the speed of a DC motors is very important as any small change can lead to instability of the closed loop system. One of the applications used here is to control the speed of the DC motor. It can be used for various Industrial applications. ![]() The proportional integral derivative (PID) controller is the most common form of feedback used in the control systems.
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