Tracking and Disturbance Rejection

PID closed-loop block diagram to a simulated disturbance
Students track triangular signals and use PID (proportional-integral-derivative) control to reject disturbance. Students learn how integral control is used to combat disturbance in tracking a signal. The position of the motor is controlled under different PID gains to maximize tracking performance.
by Quanser Inc.
This is lab 6 of 6 in the course, Labs for Quanser QNET DC Motor Add-On Board.


  • PDF Lab 
  • LabVIEW code


  • PDF Lab Key
  • Completed LabVIEW code


  • Basic LabVIEW familiarity recommended
  • Familiarity with control systems

Related Resources


LabVIEW is systems engineering software for applications that require test, measurement, and control with rapid access to hardware and data insights.


The NI Educational Laboratory Virtual Instrumentation Suite (NI ELVIS) is a versatile laboratory platform that enables educators to teach over 20 different courses across science and engineering departments. The NI ELVIS integrates 12 common lab instruments including an oscilloscope, function...

Quanser QNET DC Motor Add-On Board

This NI ELVIS add-on board is designed to illustrate the fundamentals of motor control through a series of exercises involving modeling and controlling a DC motor.

Required Software

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  • LabVIEW (Requires license)
  • LabVIEW Control Design and Simulation Toolkit (Requires license)
  • LabVIEW MathScript RT Module (Requires license)
  • NI ELVISmx Device Driver

Required Hardware

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