Measure reaction forces in joints and bearings

Question

Philipp X. 2013-6-5

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https://ww2.mathworks.cn/matlabcentral/answers/78095-measure-reaction-forces-in-joints-and-bearings

回答： Steve Miller 2018-3-9

Hi!

I built a model in SimMechnics 2G. It seems to work quite good :)

Is there a way to measure the reaction forces or the constraining forces?

For example, you have a simple revolute joint that doesnt move in the world frame. How can I measure the force that is required, due to Newtons 3. law, to hold the joint in place?

Thanks!

Best regards Philipp

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Answer 1

Steve Miller 2018-3-9

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https://ww2.mathworks.cn/matlabcentral/answers/78095-measure-reaction-forces-in-joints-and-bearings#answer_309146

Constraint forces (also referred to as reaction forces) were added to Simscape Multibody in R2014a. Joint block dialog boxes provide a new expandable parameter list, Composite Force/Torque Sensing, in which you can select Constraint Force/Torque and Total Force/Torque.

--Steve