This content is an independent educational summary for knowledge enhancement only — not a replacement for official documentation. Always verify against the official ArduPilot docs before configuring or flying. You are solely responsible for your vehicle and its operation. Content may be incomplete or outdated.
Navigation & State Estimation ◆ Ardupilot Core ◆ Deep Dive #01
The Kalman Filter
How Ardupilot knows where it is, which way it's pointing, and how fast it's moving — even when every individual sensor is wrong.
EKF3Sensor FusionIMUGPSState EstimationNavigation
Listen First
Episode 1 — The Concept
Episode 2 — Technical Deep Dive
Interactive Deep Dive
Expand any section on the left. Click a topic to read the full detail on the right.