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PX4-Autopilot/src/lib/mathlib
Thomas Stastny e4b11c49c3 mathlib: add second order reference model filter with optional rate feedback (#19246)
mathlib: add second order reference model filter with optional rate feedback (#19246)

Reference models can be used as filters which exhibit a particular, chosen (reference) dynamic behavior. This PR implements a simple second order transfer function which can be used as such a reference model, additionally with rate feedback. The system is parameterized by explicitly set natural frequency and damping ratio. Another nice externality is that the output state and rate are kinematically consistent. Forward-euler and bilinear transform discretizations for the state space integration step are available.
2022-04-05 10:31:41 +02:00
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2021-01-28 09:14:08 +01:00