1) In SimMechanics, are second order dynamics considered?

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N/A 2015-7-17
回答： Sebastian Castro 2015-7-17
I have used SimMechanics to design a closed loop mechanism, similar to that of a digger. However, I would like to know if second order dynamics are considered in the model.

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Sebastian Castro
Sebastian Castro 2015-7-17
Second-order dynamics as in springs and dampers? Yes, they are. You can do any of the following:
  1. Configure joint blocks to have internal stiffness and damping
  2. Create a linear spring-damper in a straight line between two points
  3. Interface a SimMechanics joint with Simscape to add other dynamic effects
By the way, if you're modeling a digger, I'd recommend looking at the "sm_backhoe" example in SimMechanics. It also has closed-loop control built into it.
- Sebastian

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