344,018 research outputs found
Cooperative Consensus Simultaneous Localization And Mapping For Multi Blimp System
Navigation in an ocean environment with few static features and dynamic water
background is an adventurous field to be explored by multi-agent system. This is
because of its non-uniform availability of measurement on the ocean surface since the
spatial feature distribution is greatly varied. Thus, it is desirable to design a cooperative
localisation and mapping framework that is capable to handle spurious detection,
reduce the localisation uncertainty of an agent and achieve fast and good decision. The
main objective of this research is to design a cooperative simultaneous localisation and
mapping method for multi blimp system involving the dynamic water surface as the
background and small flock consensus as the group decision method. A new
cooperative framework for the multi blimp system consisting of three blimps and
buoys was developed and designed for this purpose. The simultaneous localisation and
mapping were designed by integrating three methods which are the Extended Kalman
Filter, the enhanced Scale Invariant Feature Transform and Received Signal Strength
Indicator to improve the data association process. The group perception of direction
based on small flock of animal consensus was taken into the data association process.
It was discovered that this cooperative consensus simultaneous localisation and
mapping was able to reduce the number of feature points and detect the desired features
in clear and dark water environments. In addition, based on cooperative consensus
benchmarking, this method was able to achieve faster consensus to up to 8.3 % and 42
% than the scale free model and klemm-eguilez model respectively. On top of these,
its heading accuracy was found to be more accurate to up to 30 % and 76 % than the
scale free model and klemm-eguilez model respectively. Overall, the proposed
approach has achieved its prominent results and it is proven to be significantly reliable
and applicable to be implemented in the ocean observation monitoring system
Coordination approaches and systems - part I : a strategic perspective
This is the first part of a two-part paper presenting a fundamental review and summary of research of design coordination and cooperation technologies. The theme of this review is aimed at the research conducted within the decision management aspect of design coordination. The focus is therefore on the strategies involved in making decisions and how these strategies are used to satisfy design requirements. The paper reviews research within collaborative and coordinated design, project and workflow management, and, task and organization models. The research reviewed has attempted to identify fundamental coordination mechanisms from different domains, however it is concluded that domain independent mechanisms need to be augmented with domain specific mechanisms to facilitate coordination. Part II is a review of design coordination from an operational perspective
A survey of agent-oriented methodologies
This article introduces the current agent-oriented methodologies. It discusses what approaches have been followed (mainly extending existing object oriented and knowledge engineering methodologies), the suitability of these approaches for agent modelling, and some conclusions drawn from the survey
A Descriptive Model of Robot Team and the Dynamic Evolution of Robot Team Cooperation
At present, the research on robot team cooperation is still in qualitative
analysis phase and lacks the description model that can quantitatively describe
the dynamical evolution of team cooperative relationships with constantly
changeable task demand in Multi-robot field. First this paper whole and static
describes organization model HWROM of robot team, then uses Markov course and
Bayesian theorem for reference, dynamical describes the team cooperative
relationships building. Finally from cooperative entity layer, ability layer
and relative layer we research team formation and cooperative mechanism, and
discuss how to optimize relative action sets during the evolution. The dynamic
evolution model of robot team and cooperative relationships between robot teams
proposed and described in this paper can not only generalize the robot team as
a whole, but also depict the dynamic evolving process quantitatively. Users can
also make the prediction of the cooperative relationship and the action of the
robot team encountering new demands based on this model. Journal web page & a
lot of robotic related papers www.ars-journal.co
Collaborative design : managing task interdependencies and multiple perspectives
This paper focuses on two characteristics of collaborative design with
respect to cooperative work: the importance of work interdependencies linked to
the nature of design problems; and the fundamental function of design
cooperative work arrangement which is the confrontation and combination of
perspectives. These two intrinsic characteristics of the design work stress
specific cooperative processes: coordination processes in order to manage task
interdependencies, establishment of common ground and negotiation mechanisms in
order to manage the integration of multiple perspectives in design
Artificial Intelligence and Systems Theory: Applied to Cooperative Robots
This paper describes an approach to the design of a population of cooperative
robots based on concepts borrowed from Systems Theory and Artificial
Intelligence. The research has been developed under the SocRob project, carried
out by the Intelligent Systems Laboratory at the Institute for Systems and
Robotics - Instituto Superior Tecnico (ISR/IST) in Lisbon. The acronym of the
project stands both for "Society of Robots" and "Soccer Robots", the case study
where we are testing our population of robots. Designing soccer robots is a
very challenging problem, where the robots must act not only to shoot a ball
towards the goal, but also to detect and avoid static (walls, stopped robots)
and dynamic (moving robots) obstacles. Furthermore, they must cooperate to
defeat an opposing team. Our past and current research in soccer robotics
includes cooperative sensor fusion for world modeling, object recognition and
tracking, robot navigation, multi-robot distributed task planning and
coordination, including cooperative reinforcement learning in cooperative and
adversarial environments, and behavior-based architectures for real time task
execution of cooperating robot teams
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