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Use Find Concentric Edge to Find the Speed of a Vehicle using LabVIEW

by:
‎06-10-2011 06:29 PM
Last Edited by: Member Example_Scrubber_Stephan ‎08-11-2017 01:03 PM

Products and Environment

This section reflects the products and operating system used to create the example.

To download NI software, including the products shown below, visit ni.com/downloads.

    Software

  • Vision Development Module
  • LabVIEW

Code and Documents

Attachment

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Overview

This example demonstrates how to find a concentric edge in an image.

 

Description

This VI will use the find concentric edge feature to follow the speedometer needle and based on a ratio of the total speed to the total angle of the sweep, it calculated the speed that the vehicle is going.

 

Requirements

 Software

  • LabVIEW Base Development System 2012 (or compatible)
  • NI Vision Development Module 2012 (or compatible)

 Hardware

  • No hardware is necessary to use this example VI

 

Steps to Implement or Execute Code

  1. Download and open the attached file
  2. Run the program

 

Additional Information or References

ConcentricEdge-Speed.vi - Front Panel.png

 

ConcentricEdge-Speed.vi - Block Diagram.png 

 

**The code for this example has been edited to meet the new Community Example Style Guidelines. The edited copy is marked with the text ‘NIVerified’. Read here for more information about the new Example Guidelines and Community Platform.**

Applications Engineer
National Instruments

Example code from the Example Code Exchange in the NI Community is licensed with the MIT license.

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