Chapter 12

Relative Measurements and Navigation

Publisher Summary

This chapter discusses application of both the extended Kalman filter (EKF) and unscented Kalman filter (UKF) algorithms to the relative orbital navigation problem. Relative measurements and relative navigation using Carrier-Phase Differential Global Positioning System are also presented. The dynamical equations for the clock states for the carrier biases are shown in the chapter. A strategy is discussed for computing the relative position and velocity, which calculates the relative state of the deputy vehicle, referenced to the position of the chief vehicle. The dynamics used for the absolute state estimation are presented and used in the development of the relative dynamics equations. ...

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