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Steering frame in Labview robotics

Hello all,

 

I am trying to apply a path following algorithm on a robot. To do so, I use "create steering frame" VI, however the robot doesn't follow the path I give it.

I use all the blocks in my function except this "steering frame" VI in Dani NI starter kit and it worked well so I guess the problem is in this block.

The robot I use know has 2 fixed wheels connected to 2 stepper motors with 50:1 reduction gear.

Can someone help me with finding a way to know where the problem is? Or a way to make sure the block is right?

If the motors are steppers that recieve inputs in steps/ sec is it right to command the wheels in cm/s as Labview VI does the convertion?

 

I attached the code.

 

Thank you so much in advance!

 

Orit

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