Integrating Quanser-developed QFLEX 2 computing interface technology, QUBE-Servo 2 provides more flexibility in lab configurations, using a PC, or microcontrollers, such as NI myRIO, Arduino and Raspberry Pi. With the comprehensive course materials included, you can build a state-of-the-art undergraduate teaching lab for your mechatronics or control courses, and engage students in various design and capstone projects.

  • Compact and integrated rotary servo system
  • Tool-less quick connect module inter face
  • Direct-drive brushed DC motor
  • High resolution optical encoder
  • Built-in voltage amplifier with integrated current and tachometer sensors
  • Integrated data acquisition (DAQ) device
  • Flexible QFLEX 2 computing interface for USB and SPI/QBus connections
  • User-controllable tri-color LED
  • Easy-connect cables and connectors
  • Open architecture design, allowing users to design their own controller
  • Fully compatible with MATLAB®/Simulink® and LabVIEW
  • Fully documented system models and parameters provided for MATLAB®/Simulink®, LabVIEW™
  • Microcontroller examples and interfacing datasheet provided for the QUBE-Servo 2 Embedded
  • Additional community-created resources available on www.QuanserShare.com
Inertia Disk Module
  • Hardware integration
  • Step response modeling
  • Noise measurement and filtering
  • Electromechanical modeling
  • Second-order systems
  • PD control
  • Stability analysis
  • Lead Compensator
Pendulum Module
  • Pendulum modeling
  • Moment of inertia
  • Balance control
  • State-feedback LQR-based control
  • State-space modeling
  • Swing-up control

The following additional components are required to complete your workstation, and are sold separately:


  • QUARC® add-on for MATLAB®/Simulink®

For NI myRIO QFLEX Panel

  • NI myRIO embedded device

For Embedded QFLEX Panel

  • Microprocessor (e.g. Arduino, Raspberry Pi)

Product Details


Dimensions (W x L x H) 10.2 cm x 10.2 cm x 11.7 cm
Mass 1.2 kg
Inertia disk mass 0.054 kg
Pendulum mass 0.100 kg
Pendulum length (pivot to tip) 9.5 cm
Motor and pendulum encoder resolution (non-quadrature decoding) 512 counts/revolution
DC motor nominal input voltage 18 V
DC motor nominal current 0.54 A
DC motor nominal speed (no load) 4050 RPM
– QFLEX 2 Embedded
Standard USB 2.0 connector
A/B connector

Click here to view our comprehensive mapping tool which allows you to align courseware sections with specific chapters of the most popular engineering textbooks such as:

Control Systems Engineering – N.S. Wise
Feedback Systems – K.J. Astrom & R.M. Murray
Feedback Control of Dynamic Systems – G.F. Franklin, J.D. Powell & A. Emami-Naeini
Modern Control Systems – R.C. Dorf & R.H. Bishop
Modern Control Engineering – K. Ogata
Automatic Control Systems – F. Golnaraghi & B.C. Kuo
Control Systems Engineering –  I.J. Nagrath & M. Gopal
Mechatronics – W. Bolton

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