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Add PTO kinematics comment regarding gear ratio #382

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1 change: 1 addition & 0 deletions examples/tutorial_1_WaveBot.ipynb
Original file line number Diff line number Diff line change
Expand Up @@ -318,6 +318,7 @@
"\n",
"* The kinematics matrix, which converts from the WEC degrees of freedom to the PTO degrees of freedom.\n",
"In this case, the PTO extracts power directly from the heaving motion of the WEC, so the kinematics matrix is simply a $1 \\times 1$ identity matrix.\n",
" * Note that the PTO kinematics does not account for any gear ratio (instead included in PTO impedance matrix), so the resultant PTO kinematics will not reflect gearing.\n",
"* The definition of the PTO controller.\n",
"The `wecopttool.pto` submodule includes P, PI, and PID controller functions that can be provided to the `PTO` class and return the PTO force.\n",
"However, we will be using an unstructured controller in this case, which is the default when `controller=None`.\n",
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