Research Article

Fault-Tolerant Time-Varying Formation Tracking Control for Unmanned Aerial Vehicle Swarm Systems with Switching Topologies

Figure 7

Position snapshots of the virtual leader and the followers. (a) Position snapshots at t = 1 s, 3 s, 5 s, and 7 s for the UAVs. (b) Position snapshots at t = 9 s, 10 s, 11 s, and 13 s for the UAVs. (c) Position snapshots at t = 15.28 s, 16.28 s, 17.28 s, and 19.28 s for the UAVs.
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