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Roderich Gross

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Moving targets: Collective decisions and flexible choices in house-hunting ants

Roderich Gross

Many decisions involve a trade-off between commitment and flexibility. We show here that the collective decisions ants make over new nest sites are sometimes sufficiently flexible that the ants can change targets even after an emigration has begun. Our fin ...

2007

Autonomous Self-assembly in a Swarm-bot

Francesco Mondada, Michael Bonani, Roderich Gross

Multi-robot systems have been studied in tasks that require the robots to be physically linked. In such a configuration, a group of robots may navigate a terrain that proves too difficult for a single robot. On the contrary, many collective tasks can be ac ...

Springer Verlag2006

Negotiation of goal direction for cooperative transport

Roderich Gross

In this paper, we study the cooperative transport of a heavy object by a group of robots towards a goal. We investigate the case in which robots have partial and noisy knowledge of the goal direction and can not perceive the goal itself. The robots have to ...

Springer Verlag2006

Cooperation through self-assembly in multi-robot

Francesco Mondada, Michael Bonani, Roderich Gross

This article illustrates the methods and results of two sets of experiments in which a group of mobile robots, called s-bots, are required to physically connect to each other, that is, to self-assemble, to cope with environmental conditions that prevent th ...

2006

Group Transport Along a Robot Chain in a Self-Organised Robot Colony

Francesco Mondada, Michael Bonani, Roderich Gross

We study groups of autonomous robots engaged in a foraging task as typically found in some ant colonies. The task is to find a prey object and a nest object, establish a path between the two, and transport the prey to the nest. Once a path is established, ...

IOS Press2006

Self-assembly of mobile robots - From swarm-bot to super-mechano colony

Roderich Gross

Up to now, only a few collective or modular robot systems have proven capable of letting separate and autonomous units, or groups of units, self-assemble. In each case, ad hoc control algorithms have been developed. The aim of this paper is to show that a ...

IOS Press2006

Autonomous Self-assembly in Swarm-Bots

Francesco Mondada, Michael Bonani, Roderich Gross

In this paper, we discuss the self-assembling capabilities of the swarm-bot, a distributed robotics concept that lies at the intersection between collective and self-reconfigurable robotics. A swarm-bot comprises autonomous mobile robots called s-bots. S-b ...

2006

Evolving Self-Organizing Behaviors for a Swarm-bot

Dario Floreano, Francesco Mondada, Roderich Gross, Jean-Louis Deneubourg, Luca Maria Gambardella

In this paper, we introduce a self-assembling and self-organizing artifact, called a swarm-bot, composed of a swarm of s-bots, mobile robots with the ability to connect to and to disconnect from each other. We discuss the challenges involved in controlling ...

2004

Evolving a cooperative transport behavior for two simple robots

Roderich Gross

This paper addresses the problem of cooperative transport of an object by a group of two simple autonomous mobile robots called s-bots. S-bots are able to establish physical connections between each other and with an object called the prey. The environment ...

Springer Verlag2004

Group transport of an object to a target that only some group members may sense

Roderich Gross

This paper addresses the cooperative transport of a heavy object, called prey, towards a sporadically changing target location by a group of robots. The study is focused on the situation in which some robots are given the opportunity to localize the target ...

Springer Verlag2004