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Inverse Kinematics of AR4

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Avatar of Suhas Kadalagere Sampath
(@suhas-kadalagere-sampath)
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Joined: 2 months ago
Posts: 2
Topic starter  

Hello everyone, I am trying to teleoperate the AR4 robotic arm and a Inspire Robotics Dexterous hand mounted on it (as shown in the fig) through the Leap Motion Controller.

 

The setup is working fine, I am able to teleoperate both devices simultaneously, however, the system lacks the coordination between them. The reason for this is the time taken to calculate the inverse kinematics on Teensy4.1 board. At times it takes more than 6 sec to drive the AR4 to the desired position. I did try to play around with the delay() but didn't work.

 

Is there any way to decrease the inverse kinematics calculation time?

 

Thanks in advance!

 

Note: I am not that good at coding but trying my best.

https://anninrobotics.com/wp-content/uploads/2025/08/Inverse-Kinematics-of-AR4-.avif



   
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Johann Voigtlander
(@johann-voigtlander)
Estimable Member
Joined: 2 months ago
Posts: 87
 

My arm has never delayed for 6 seconds...

 

If you want it to go faster just increase the speed?

I



   
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Avatar of Suhas Kadalagere Sampath
(@suhas-kadalagere-sampath)
New Member
Joined: 2 months ago
Posts: 2
Topic starter  

@johann-voigtlander

Hi Johann,

 

Thanks for your reply.

 

Yes, I have increased my speed but the problem is when I send the [X, Y, Z, Rz, Ry, Rx] values to Teensy4.1 to move the AR4, it is taking time while calculating the joint angles to move to the desired position.



   
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