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New technologies brought to life by the rapid growth in number of mobile devices are starting to be employed for creating cyberinfrastructures for smart cities. One such technology comes in the form of opportunistic networks (ONs), where mobile nodes only communicate between each other through protocols such as Bluetooth or Wi-Fi Direct. The usefulness of ONs in smart cities is high, because they...
This paper investigates distributed controller design problem for a leader‐follower network in the presence of communication delays. Two main contributions are made in this work. First, the second‐order controlled consensus scheme for the weakly connected communication graph topology is proposed. A necessary and sufficient condition is given under which the exponential consensus is achieved. Meanwhile,...
This note investigates the consensus problems of a system with one leader and multi-followers. Decentralized controllers are designed for continuous-time autonomous follower described by one or double integrator respectively. Sliding mode control technique is adopted to realize the consensus of the system in which the followers have general dynamics. A sufficient condition to make all the followers...
Many natural and artificial systems, for example, fish school, bird flocks, robot team, are often composed of two different classes of agents: autonomous agents and leaders. The leaders have pertinent information, such as the location of the food source, while the autonomous agents make decisions according to local interactions. Then a basic problem is: how many leaders are required in order to induce...
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