Joint dynamic properties for simulating dynamixel sevos

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sofia
Posts: 4
Joined: 07 Feb 2014, 18:33

Joint dynamic properties for simulating dynamixel sevos

Post by sofia »

Hi!
I'm trying to get a simulation of my robot's ZMP walking algorithm. Since it is actuated with dynamixel MX-106 and MX-64 servos, I would like to adjust the dynamic properties of each joint to best match the behaviour of these servos. The question is, how should I do this? My guess so far would be to enable the motor, enable the control loop, enable PID control and regulate torque/force using the same PID parameters as I'm using in the actual servos. Would this be the correct approach?

Thanks in advance,
Sofia

coppelia
Site Admin
Posts: 10375
Joined: 14 Dec 2012, 00:25

Re: Joint dynamic properties for simulating dynamixel sevos

Post by coppelia »

Hello Sofia,

your approach sounds correct. It of course always depends on how close you want to come to reality. You could also adjust the torque on-the-fly, making it also dependent on the velocity. But that will require you to create a correspondence table.

Cheers

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