The ArduPilot code base is quite large (about 700k lines for the core ardupilot git tree) and can be quite intimidating to a new user. This page is meant to give some suggestions on how to come up to speed on the code quickly. It assumes you already
ArduPilot 中用于EKF2公式推导的参考文档 Rotation Vector in Attitude EstimationPITTELKAU
Observe also that although a composition rule ( o 2 for
XI. Note that in both approaches the attitude perturbation is defined
otation vectors can be written(see Appendix), it