Executive differential Robotics

Hello

I am an autonomous robot using LabView programming and I'm having a little trouble with the vi «Get the speed of frame of steering wheels»

I narrowed down it to this simple test, which makes a differential direction image, pass a few tests of wheel speeds and reads the estimated speed of weft direction.

As the wheel past the speeds are identical and in the same sense, I suppose that management believes frame speed would be all right (y_dot) with no angular velocity (theta_dot), but the values returned for [x_dot, y_dot, theta_dot] are [0, 4.59618, 8.10573]

Here's what the test looks like.

I have sucessfully used the other direction and communication engine screws without problem.

Any help would be greatly appreciated.

Pierrel,.

I made a change in the direction Robotics API which should solve the problem you are experiencing.  Please try these steps, and then let me know if it fixes the problem you see:

  1. Unzip the contents of the attached zip file into your ""\National Instruments\ "folder. "

  2. Verify that this file exists: '\National Instruments\LabVIEW 2010\vi.lib\robotics\Steering\Steering Frame\Estimate speed Transforms.vi '

  3. Test your application on the desktop and RT.  'Get Steering Frame speed of Wheels.vi' should now return the correct values on the two types of targets.

Chris M

Tags: NI Software

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