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- Position
does not affect stored energy
- Velocity
is the only energy-storing degree of
freedom
- Only velocity
is needed as a state variable
- The initial position
can be kept ``on the side'' to
enable computation of the complete state in position-momentum space:
- In other words, the position can be derived from the velocity
history without knowing the force history
- Note that the external force
can only drive
. It
cannot drive
directly:
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Download StateSpace.pdf
Download StateSpace_2up.pdf
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