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While actuating simscape model of 5 dof exoskeleton, only joint axis is moving. why links connected to the joint does't move?

Asked by menino fruto on 12 May 2018
Latest activity Answered by Steve Miller on 3 Apr 2019
These are the errors while running this simulink model, -->The 5 position constraint equations associated with block: final4_first_gen_simulink/Revolute3 were redundant -->The 5 position constraint equations associated with block: final4_first_gen_simulink/Revolute1 were redundant -->The 5 position constraint equations associated with block: final4_first_gen_simulink/Revolute4 were redundant
the scope connected to the revolute joint seems to be approaching 60(given i/p)

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1 Answer

Answer by Steve Miller on 3 Apr 2019

Hi - this question is very difficult to answer completely with just a screenshot.
However, I can say that some of your revolute joints look like they cannot move. Weld Joints connect Link1-1, Link2-1, Link3-1, and Link4-1, which means Revolute4, Revolute1, and Revolute3 cannot move.
I think you need to think carefully about how these parts are connected to each other and which degrees of freedom are necessary for the mechanism to move as you want.
--Steve

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