I'm searching a motor with 15-20 rad/min and 1-3 Nm

[Applied_RC]

Hello!
I am designing a robot for my final thesis.
In this robot i have to add a motor with some characteristics, like: 15-20 rad/min and 1-3 Nm.
I thought in some motor types, but i don't know which type is the best. The purpose of this motor is to get a linear movement, it is not matter the way. Maybe with a linear motor, or with a framless motor with some gear-box...
For the moment i haven't find some of them with the limitations.
Plase!!!!! Can someone help me???????
i accept all kind of suggestions.
I have to present some outcome in few days....

Thank you!!!
ESPE

 

[falleafd]

With your parameters, I guess your robot will be about 5kg to 15kg weight?

You may simply use DC motors with gear box.

As the reponse of a motor, there is a linear range between applied voltage and velocity. You should run your robot within this range. You may visit Maxon motor page (pls search on web, I don't remember). They will help you to compute motors' characters, and send you the suitable datasheets via email for free.

I think you should use 60W to 90W DC motors. If you want to use high level controller (realtime), you may use it with encoders. In a close loop, you don't have to worry about if the motor is linear or nonlinear.