2019
DOI: 10.1073/pnas.1822069116
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Intrinsically motivated collective motion

Abstract: Collective motion is found in various animal systems, active suspensions and robotic or virtual agents. This is often understood using high level models that directly encode selected empirical features, such as co-alignment and cohesion. Can these features be shown to emerge from an underlying, low-level principle? We find that they emerge naturally under Future State Maximisation (FSM). Here agents perceive a visual representation of the world around them, such as might be recorded on a simple retina, and the… Show more

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Cited by 45 publications
(34 citation statements)
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“…In dilute systems, when active particles have no direct physical interaction with each other, natural systems have evolved sensing capabilities, which allow them to gain information about their environments or to communicate. This introduces a new dimension with entirely different challenges and importance in other fields such as ecology 18,19 . In schools of fish and flocks of birds or midges, individuals exchange information as part of their behaviour to self-organize into a collective state 20 .…”
Section: Active Mattermentioning
confidence: 99%
“…In dilute systems, when active particles have no direct physical interaction with each other, natural systems have evolved sensing capabilities, which allow them to gain information about their environments or to communicate. This introduces a new dimension with entirely different challenges and importance in other fields such as ecology 18,19 . In schools of fish and flocks of birds or midges, individuals exchange information as part of their behaviour to self-organize into a collective state 20 .…”
Section: Active Mattermentioning
confidence: 99%
“…Our DRL architecture can also be used as a basic building block to construct more complex learning architectures for navigation tasks in more challenging environments, including incorporating additional visual channels for navigation in flow fields, adding memory module for navigation in nonstationary environments with limited visibility, using 3D convolutional layers for 3D navigation, extending to continuous control DRL for high‐precision localization tasks, and building hierarchical neural networks for navigation in environments with multiple‐scale obstacle features. Our algorithm can also be extended to a multiagent system to control multiple robots to cooperate on tasks and assemble to nonequilibrium machines and devices or applied as a general end‐to‐end controller for controlling stochastic colloidal assembly . Ultimately, our DRL algorithm allows to be integrated with experimental systems as it can directly process raw sensor inputs of microrobot systems (e.g., microscope) .…”
Section: Discussionmentioning
confidence: 99%
“…This concept of preparedness motivates the introduction of empowerment as information-theoretic quantification and formalization of the amount of open options that an agent can both control and perceive. The principle of empowerment maximisation has been applied to very different areas of artificial intelligence [1], [6], [7], [30], [31], robotics and control [1], [4], [5], [13]. Importantly, empowerment was defined in the same fashion across all these experiments.…”
Section: A Related Work 1) Empowerment As Intrinsic Motivationmentioning
confidence: 99%