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How work the force_feedback topic in Phantom Omni?

asked 2013-08-26 01:18:58 -0500

jalvarofa

18 ●2 ●2 ●6

updated 2013-08-28 22:49:59 -0500

Hello,

When I execute rostopic echo /omni1_force_feedback don't happens anything and I don't now how works.

How can I test that this topic works good?

Thanks

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answered 2013-08-29 06:46:17 -0500

Boris

3060 ●32 ●57 ●83 http://people.idsia.ch/~gromov

This topic has to be used to set force vector on device, not to get it. Technically there is no force sensors in any of PHANToM devices, so there is no way to obtain such information. Though you can calculate it based on spring-damper model giving displacement as its input.