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World guide to scientific associations and learned societies.
Author:
ISBN: 3598223161 9783598223167 Year: 2006 Volume: . 13. Publisher: München Saur


Book
World Guide to Foundations.
Authors: ---
ISBN: 9783110968187 Year: 2011 Publisher: Berlin Boston

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Book
AI technology for underwater robots
Authors: --- --- ---
ISBN: 3030306836 3030306828 Year: 2020 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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This book provides exclusive insight into the development of a new generation of robotic underwater technologies. Deploying and using even the most simple and robust mechanical tools is presenting a challenge, and is often associated with an enormous amount of preparation, continuous monitoring, and maintenance. Therefore, all disciplinary aspects (e.g. system design, communication, machine learning, mapping and coordination, adaptive mission planning) are examined in detail and together this gives an extensive overview on research areas influencing next generation underwater robots. These robotic underwater systems will operate autonomously with the help of the most modern artificial intelligence procedures and perform environmental monitoring as well as inspection and maintenance of underwater structures. The systems are designed as modular and reconfigurable systems for long term autonomy to remain at the site for longer periods of time. New communication methods using AI enable missions of hybrid teams of humans and heterogeneous robots. Thus this volume will be an important reference for scientists on every qualification level in the field of underwater technologies, industrial maritime applications, and maritime science.


Book
AI Technology for Underwater Robots
Authors: --- --- --- ---
ISBN: 9783030306830 Year: 2020 Publisher: Cham Springer International Publishing :Imprint: Springer

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Multi
AI Technology for Underwater Robots
Authors: --- --- --- ---
ISBN: 9783030306830 Year: 2020 Publisher: Cham Springer International Publishing :Imprint: Springer

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Abstract

This book provides exclusive insight into the development of a new generation of robotic underwater technologies. Deploying and using even the most simple and robust mechanical tools is presenting a challenge, and is often associated with an enormous amount of preparation, continuous monitoring, and maintenance. Therefore, all disciplinary aspects (e.g. system design, communication, machine learning, mapping and coordination, adaptive mission planning) are examined in detail and together this gives an extensive overview on research areas influencing next generation underwater robots. These robotic underwater systems will operate autonomously with the help of the most modern artificial intelligence procedures and perform environmental monitoring as well as inspection and maintenance of underwater structures. The systems are designed as modular and reconfigurable systems for long term autonomy to remain at the site for longer periods of time. New communication methods using AI enable missions of hybrid teams of humans and heterogeneous robots. Thus this volume will be an important reference for scientists on every qualification level in the field of underwater technologies, industrial maritime applications, and maritime science.


Dissertation
Master thesis : Conceptual Design of a Variable Stiffness Mechanism using Parallel Redundant Actuation
Authors: --- --- --- ---
Year: 2018 Publisher: Liège Université de Liège (ULiège)

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Future robots will rely more than today on high precision, better energy efficiency and
safe handling (e.g. human-machine interaction). An inevitable step in the development
of new robots is therefore the improvement of existing mechanisms, since better sen-
sors and algorithms do not satisfy the demands alone. During the last three decades
Parallel Redundant Mechanisms (PRM) came more in the focus of research, as they
are advantageous in terms of singularity avoidance, fast movements and energy efficiency.
Subsequently, yet another technology - the Variable Impedance Actuator (VIA) - emerged
which proposes to change its inherent properties allowing an adaption to its environment
and to handle for example dynamic movements or shock absorptions. This work aims to
create a new mechanism where a stiffness and position control for 2 degrees of freedom
(DOF) is achieved with 3 actuators. It is thus a combination of the PRM and VIA, while
taking advantage of both technologies but asking for a more sophisticated mathematical
description. Practical implementation is intended for a humanoid ankle mechanism.
Kinematic, quasi-static and stiffness models are derived and incorporated for the simu-
lation of the mechanism and compared to a dynamic model in OpenModelica. A general
validity of the derived models is proved by this comparison. The simulations show that
improvements in terms of singularity removal and dexterity are achieved. Furthermore,
the adaptation of human like gait performances is presented.

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