Ball and Beam

Quanser | Engineering Lab Solutions

Introduce unstable closed loop system control concepts.

The Ball and Beam module is ideal to introduce various control concepts related to unstable closed-loop systems. You can use it to demonstrate real-world control challenges such as aircraft roll control. The Ball and Beam module attaches to the Rotary Servo Base Unit.

This module consists of a steel rod in parallel with a nickel-chromium, wire-wound resistor forming the track on which the metal ball is free to roll. The track is effectively a potentiometer, outputting a voltage that’s proportional to the position of the ball.

When coupled to the Rotary Servo Base Unit, the tilt angle of the beam can be controlled by changing the servo gear angle. The Ball and Beam module can be operated in stand-alone mode, and the ball position can be controlled via the user interface.

Features

  • High-quality aluminum chassis with precision-crafted parts
  • Robust machined aluminum casing with stainless steel rod
  • Ball and Beam module easily attaches to Rotary Servo Base Unit
  • Optional Master/Slave configuration with additional Ball and Beam module
  • Easy-connect cables and connectors

Courseware

Modeling Topics

  • First-principles derivation
  • Transfer function representation
  • Linearization
  • Model validation

Control Topics

  • Multiple loops
  • PID

Workstation Configuration

The following additional components are required to complete your workstation, and are available separate:

For Simulink

  • QUARC® add-on for MATLAB®/Simulink®
  • One Rotary Servo Base Unit
  • Quanser VoltPAQ-X1 linear voltage amplifier
  • One of the following DAQ devices:
    • Quanser Q2-USB
    • Quanser Q8-USB
    • Quanser QPIDe

For LabVIEW

  • Quanser Rapid Control Prototyping (Q-RCP) Toolkit® add-on for NI LabVIEW™
  • One Rotary Servo Base Unit
  • Quanser VoltPAQ-X1 linear voltage amplifier
  • One of the following DAQ devices:
    • NI CompactRIO with Quanser Q1-cRIO
    • NI myRIO with Quanser Terminal Board
    • Quanser Q2-USB
    • Quanser Q8-USB
    • Quanser QPIDe

QLabs Virtual Ball and Beam

QLabs Virtual Ball and Beam is a fully instrumented, dynamically accurate digital twin of the Quanser Ball and Beam system. It behaves in the same way as the physical hardware and can be measured and controlled using MATLAB®/Simulink® and other development environments. With QLabs Virtual Ball and Beam, you can enrich your lectures and activities in traditional labs, or bring credible, authentic model-based lab experiences into your distance and online control systems course.

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