How to represent a 6DoF platform using SimMechanics?

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Pablo
Pablo 2011-9-8
编辑： madhan ravi 2018-12-3
Hello!
I would like to know how I could represent a six degrees of freedom platform using SimMechanics. The inputs of this platform will be 3 linear accelerations and 3 angular accelerations.
I have to represent a radar mounted in the platform. The radar has been designed using Solid Works and imported to Simulink using the Solid Works/SimMechanics converter, so my problem is the platform.
I do not really need a complex model. One only Body block with 6 DoF and 6 input accelerations will be fine for me.
Thank you very much!

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Guy Rouleau
Guy Rouleau 2011-9-8
There is a Stewart Platform demo shipped with SimMechanics. The Stewart platform is a 6dof platform, actuated by 6 linear actuator. So it should be realtively easy to adapt to your system.
The demo is introduced online here:
http://www.mathworks.com/products/simmechanics/demos.html?file=/products/demos/shipping/mech/mech_stewart_vis.html
You can find info here:
http://www.mathworks.com/help/toolbox/physmod/mech/vis/f3-16448.html#f3-24130
In MATLAB, look in the list of demos or type
mech_stewart_vis
or
mech_stewart_slider
or
mech_stewart_trajectory
to directly open the models.
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farzad
farzad 2018-12-3
I am having the same problem. I just need to read the joints lengths variation on time inputing a certain displacement ( only along z or x or y axis e.g.)
but it's too complicated to adjust. Also I don't find where I can modify the amplitudes of movements.

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