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How to calculate x,y,z through force_torque sensor values

asked 2017-02-25 08:54:57 -0500

carlos_ gravatar image

I need to know how I can perform a function to obtain x, y, z position values through the values Fx,Fy,Fz,Tx,Ty,Tz of the force/torque sensor.

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x, y, z of what?

gvdhoorn gravatar imagegvdhoorn ( 2017-02-25 09:22:57 -0500 )edit

Position values, which can then be combined with the end effector of the robot to position it

carlos_ gravatar imagecarlos_ ( 2017-02-26 11:21:59 -0500 )edit

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answered 2017-02-27 05:47:38 -0500

AndyZe gravatar image

updated 2017-11-27 13:45:34 -0500

What you're talking about is called impedance. Neville Hogan of MIT made it popular although he wasn't the first person to think of the idea. So look up some of his papers.

The basic idea is to convert a force to a velocity or displacement with a spring law, like vel_x=k*F_x. Likewise for torques: omega_x=k*Tao_x. You can adjust the k's to seem more or less stiff.

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Asked: 2017-02-25 08:54:57 -0500

Seen: 117 times

Last updated: Nov 27 '17