QNET 2.0 VTOL Board

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Teach Fundamentals of Flight Dynamics and Control

The QNET 2.0 Vertical Take-off and Landing (VTOL) Board is ideally suited to teach and demonstrate the fundamentals of flight dynamics and vertical take-off and landing flight control. Developed exclusively for NI ELVIS platform and LabVIEW™ software, the system can easily be configured to control the flight of the trainer using a variety of control methods. Students learn how to:

  • model a system
  • design and implement a proportional-integral (PI) controller to control current
  • find the system resistance based on measurements
  • design and implement a proportional-integral-derivative (PID) controller to control current

Aerospace devices are typically more difficult to model, therefore software system identification tools are used to determine parameters or actual dynamics. Also, due to their inherent complexity, flight systems are usually broken down into different subsystems to make it more manageable. These subsystems can be dealt with individually and then integrated to provide an overall solution.

How It Works

The QNET 2.0 VTOL Board provides an integrated amplifier and a communication interface with the NI ELVIS II(+), interfaced to a PC or laptop via USB link.

The QNET 2.0 VTOL Board consists of a high air flow DC fan with a safety guard, attached to a solid aluminum arm. An adjustable counterweight is attached on the other end of the arm. This allows the position of the weight to be changed, which in turn affects the dynamics of the system. The arm assembly pivots about a single-ended optical encoder shaft. The encoder measures the angular position of the arm, i.e. the VTOL pitch position.

The QNET 2.0 VTOL Board is fitted with a variety of safety measures to ensure proper system configuration. Status LEDs provide feedback to users.

Comprehensive Resources and ABET-aligned Courseware Included

The QNET 2.0 VTOL Board comes with comprehensive digital resources developed by Quanser to enhance teaching controls, saving professors’ time while helping students quickly grasp the capabilities of the board, relate the studied control concepts to applications in real world and understand the exercises performed in lab. The resources include:

  • ABET-aligned courseware with in-lab exercises
  • detailed ABET assessment guidelines and scoring sheets
  • setup materials, including Quick Start Guides, User Manual and VIs for the board for faster, easier setup of the experiment
  • pre-designed VIs to help students understand how the theoretical block diagrams relates to the actual implementation

  • Compact system for NI ELVIS II(+)
  • Plug-and-play design for quick and easy lab setup
  • High quality rugged propeller assembly
  • High air flow fan with safety guard
  • High resolution encoder
  • Built-in amplifier
  • Protective cover to shield the circuitry
  • Comprehensive digital resources and ABET-aligned courseware included
  • Fully compatible with LabVIEW
  • Fully documented system models and parameters provided for LabVIEW™
Length from pivot to center of counterweight 72.5 mm
Length from pivot to center of fan 155 mm
Counterwight mass 258 g
Pivot encoder line count 512 lines/rev
Pivot encoder line count in quadrature 2048 lines/rev
Encoder resolution (in quadrature) 0.176 deg/count
Amplifier type PWM
Amplifier peak current 2.5 A
Amplifier continuous current 0.5 A
Amplifier output voltage ± 24 V with 42% duty cycle limit (± 10 V)
Fan rated voltage 24 V
Fan rated speed 11000 rpm

Topics covered in the Quanser-developed courseware:

  • Experimental modeling
  • Identifying parameters experimentally
  • Model validation
  • PID control
  • Current control
  • Pitch control
  • Cascade control
  • Actuator dynamics
The QNET 2.0 VTOL Board can be also used to teach other topics that are not included in the Quanser-developed courseware.

To set up your QNET 2.0 VTOL Board, you need NI ELVIS II(+) Modular Engineering Education Laboratory Platform.

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