Rotationa to translation movement conversion - WITHOUT Simscape toolboxes
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Hello all,
I'm basically trying to simulate a Lead screw system, driven by a DC motor (Speed profile), on a certain stroke length. That being said, I just have the basic Simscape licence (it means No Driveline or Multi body toolboxes or licences).
I just don't know what to insert where the empty space are (see picture).
Typically, my speed profile has a trapezoidal form, I have a "Angular velocity Source" block, as well as a "Translational velocity Source" block which I don't know how to link. The gain is the pitch of the screw (in mm/rev).
If you have any idea on how to do, I'm looking forward your answers.
Thank you.
6 Commenti
ayoub reffai
il 29 Apr 2022
Modificato: ayoub reffai
il 29 Apr 2022
oh ok here it is
I dont know what i do wrong , but i wasted a long time trying by myself need someone else point of view or new idea
basicly the system is an electrical actuator trying to push the basket of a mobile elevating working platform
thank you
Risposta accettata
Jonas
il 19 Ago 2020
Modificato: Jonas
il 19 Ago 2020
Doesn't it make sense to just connect the speed profile on the linear velocity source, and use a regular Simulink Gain block to do the conversion between rotational and translational?
If you want to keep having the DC-motor there - which doesn't really do all that much at the moment - you can use an Ideal Rotational Motion Sensor. That sensor output needs to be converted to Simulink (PS -Simulink Converter), use a regular Gain block and then again convert to Simscape (Simulink-PS Converter).
You will also like to add something to the output of the DC Motor, such as a Rotational Free End, or an Inertia or Friction.
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Franck Donnadieu
il 25 Ago 2020
Hello, is this model is ok for you?
5 Commenti
Franck Donnadieu
il 26 Ago 2020
Yes you are right and I have already done it in the model "systeme_vis_ecrou_effort.slx".
;)
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