Fixed Wing Aircraft Linear Velocity Estimation using a Reduced order Observer

In this paper we propose a reduced observer design for aircraft linear velocity estimation based on the measurements of the Euler angles and angular velocity as well as the position which is subject to measurement errors and noise. The observer is designed based on a high gain approach using an output injection, which enables to reduce the order of the observer to six equations rather than a full order observer of order 12. To show the performance of the observer as well as its robustness with respect to measurement errors and noise, a simulation study is carried out using a British aircraft Jetstream-3102 in a real-time virtual simulation platform base on Microsoft Flight Simulator (FS-2004).