Fig 1.
Relative bearing measurements of the leader robot with two different landmarks.
Fig 2.
Leader-follower coordinate representation.
Fig 3.
Block diagram of the input-output feedback control based on the UKF.
Fig 4.
The simulation scene of the mobile robots.
Fig 5.
The leader robot system performance.
Fig 6.
The leader-follower formation system performance.
Table 1.
Algorithm runtime: EIF Versus PF.
Table 2.
Algorithm performance: EIF Versus PF.