Play online with PT filters:
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00:00 - Intro
01:07 - Expert call
01:37 - Why lowpass filters?
02:36 - Credits to Jan
03:01 - Flight controller workflow
03:31 - Sensor readings vs noise
04:27 - PT1 explained
07:55 - Spherical horse in vacuum - step response
09:21 - Frequency attenuation
11:07 - Cutoff frequency vs Dick
12:57 - Plotting the delay
14:50 - Filters in action
17:38 - PT2 and PT3 filters
19:14 - Biquad filter
19:45 - Finale + GoPro
If you read here, you are really cool!
Join my Patreon if you want to be even cooler :)
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This video in an attempt to show how simple but powerful PT1, PT2, and PT3 filters are (pulse-transfer filters). Without going deep into math, but on an intuitive level. Lowpass filters are everywhere in Betaflight, INAV, emuflight, Ardupilot, closed source firmware etc.
My Rig:
Frame: OpenRacer
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Firmware: #Betaflight 4.3 Karate Tune or Defaults
ESC: #Foxeer Reaper 60A
FC: Foxeer F7 mini V3
Motors: Headsup 2207 1960kv
Props: #HQProp R36
Immersion RC Ghost Hybrid Duo
Camera: Foxeer Predator Nano V5
Battery: Tattu Rline V4/V5 1400mah
Orqa V2 goggles
Gopro 7
