Is there a way to have Sim DriveLine blocks utilize a table of non-constant friction data, or can they only use constant friction data set in the block's parameters?

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Zachary Ott
Zachary Ott 2020-7-29
回答： Steve Miller 2020-8-3
I have a table of collected data for accurate friction. Is there a way to include this in a Simscape Driveline model, or would it require calculating the force from a look-up table and then using ideal force and torque sources applied to Simscape Multibody joints.
Thanks,

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Steve Miller
Steve Miller 2020-8-3
There are a number of nonlinear blocks that would allow you to specify a nonlinear relationship for friction.
This block lets you define a lookup table to have a nonlinear relationship between speed and viscous friction
https://www.mathworks.com/help/physmod/sdl/ref/nonlinearrotationaldamper.html
This block lets you vary the damping coefficient with any nonlinear relationship between any quantities you can measure
https://www.mathworks.com/help/physmod/sdl/ref/variablerotationaldamper.html
Similar blocks exist for translational mechanical systems.

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