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NMPC Swing Up Controller based on Crocoddyl #86

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@pierfabre pierfabre commented May 30, 2024

  • Rebased on generate an urdf of the robot #93+
  • Add a NMPC controller for swing up that uses crocoddyl library and mim_solver
  • scripts/nmpc_swing_up.py in which we solve the TO offline first and then try to swing up the pendulum in a MPC fashion using the new simulator better simulation #95+. This is already challenging because a lot of things are not in the model (friction, encoders resolution, control signal clamp, velocity filters, smaller integration step, ...)

TODO

  • migrate to aligator
  • compare performances between ProxDDP (aligator) and CSQP (mim_solver)
  • make it work on the real robot

@pierfabre pierfabre mentioned this pull request May 30, 2024
@pierfabre pierfabre linked an issue May 30, 2024 that may be closed by this pull request
@pierfabre pierfabre self-assigned this May 30, 2024
@pierfabre pierfabre force-pushed the swing-up-nmpc-crocoddyl branch from d74c4f9 to 9e86aef Compare July 16, 2024 19:27
@pierfabre pierfabre force-pushed the swing-up-nmpc-crocoddyl branch from 2da0d66 to 8d063ae Compare July 22, 2024 20:18
@pierfabre pierfabre marked this pull request as draft October 19, 2024 23:10
@pierfabre pierfabre force-pushed the swing-up-nmpc-crocoddyl branch from 32bc644 to 5134a7a Compare January 25, 2025 14:41
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[swing-up] Closed loop real-time NMPC using crocoddyl
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