Open brunzema opened 10 months ago
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Added Model Predictive Path Integral (MPPI) control as an optimizer. I use MPPI for gradient free MPC in one of my projects and it made sense to me to include it here. In my experience, it tends to perform better than CEM in practice. The implementation follows Williams et. al 2017 (but without the receding horizon). To summarize, this pull request
tests/optimizers_test.py
benchmarks
.Some of the fixes in #12 and #13, namely the
frozendict
as a default for hyperparameters, are also included which was necessary to make things run.This is my first pull request to a bigger project. Therefore, please tell me if changes are required! :)