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Original Articles

Collective search and decision-making for target localization

, , &
Pages 51-65 | Received 06 Jun 2011, Accepted 06 Jun 2011, Published online: 01 Aug 2011

Figures & data

Figure 1. Short-term memory buffer and its influence on the reference vector.

Figure 1. Short-term memory buffer and its influence on the reference vector.

Figure 2. Influence that parameters and have on heuristic component.

Figure 2. Influence that parameters and have on heuristic component.

Figure 3. Area covered by a scout as a function of design parameter .

Figure 3. Area covered by a scout as a function of design parameter .

Figure 4. Area covered by a scout for different values of : (a) , ; (b) , ; (c) , ; (d) , ; (e) , ; (f) , ; (g) , ; and (h) , .

Figure 4. Area covered by a scout for different values of : (a) , ; (b) , ; (c) , ; (d) , ; (e) , ; (f) , ; (g) , ; and (h) , .

Figure 5. Random walk in the nest with maximum communication overlapping ( – communication radius; – communication area; – overlapping area).

Figure 5. Random walk in the nest with maximum communication overlapping ( – communication radius; – communication area; – overlapping area).

Table 1. Relevant system parameters for the information propagation simulations, scaled relatively to robot size (the diameter of the physical robot )

Figure 6. Expected number of visited labourers by one scout (, ).

Figure 6. Expected number of visited labourers by one scout (, ).

Table 2. Simulated and values of cover time speed up in the nest

Figure 7. Number of steps required for the first rendezvous of two scouts for different nest sizes.

Figure 7. Number of steps required for the first rendezvous of two scouts for different nest sizes.

Figure 8. Number of agents committed to optimal target for different .

Figure 8. Number of agents committed to optimal target for different .

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