Stability Analysis

This lab covers the basics of stability analysis, including bounded-input bounded-output (BIBO) stability, Nyquist stability analysis, and the Routh Hurwitz coefficient test. Students complete activities in which they apply each approach to a real control system.
by Quanser Inc.

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This is lab 5 of 6 in the course, Control System Design and Analysis.


After completing this lab, students will be able to:
  1. Determine BIBO stability of a first- and second-order system.
  2. Use Nyquist plots to examine the stability of a third-order system.
  3. Examine stability using the Routh-Hurwitz criterion.
  4. Experimentally validate stability of a closed loop system.


  • Differential Equations or equivalent
  • Linear Algebra or equivalent
  • Dynamic Systems or equivalent
  • Basic LabVIEW Proficiency


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


Engineering laboratory solution for project-based learning that combines instrumentation and embedded design with a web-driven experience, delivering a greater understanding of engineering fundamentals and system design.

Quanser Controls Board for NI ELVIS III

The Quanser Controls Application Board is a versatile servo system designed to teach the fundamentals of DC motor control, with an optional pendulum module to teach advanced topics in non-linear control.

Required Software

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  • NI ELVIS III Software Bundle (2018 or later)
    • LabVIEW (Requires license)
    • LabVIEW Real-Time Module (Requires license)
    • NI ELVIS III Toolkit
    • LabVIEW Control Design & Simulation (Requires License)

Required Hardware

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Instructor resources are available. Get access

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