Bio Inspired Globally Convergent Gait Regulation For A Climbing Robot
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Bio Inspired Globally Convergent Gait Regulation For A Climbing Robot
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Author : Salomon Joseph Trujillo
language : en
Publisher: Stanford University
Release Date : 2011
Bio Inspired Globally Convergent Gait Regulation For A Climbing Robot written by Salomon Joseph Trujillo and has been published by Stanford University this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
The priorities of a climbing legged robot are to maintain a grasp on its climbing surface and to climb efficiently against the force of gravity. Climbing robots are especially susceptible to thermal overload during normal operation, due to the need to oppose gravity and to frequently apply internal forces for clinging. These priorities guided us to develop optimal climbing behaviors under thermal constraints. These behaviors in turn profoundly constrain the choice of gait regulation methods. We propose a novel algorithm: "travel-based" gait regulation that varies foot detachment timing, effectively modifying stride length and frequency in order to maintain gait phasing, subject to kinematic and stability constraints. A core feature of the algorithm is "travel, " a new metric that plays a similar role to relative phasing. The method results in linear equations in terms of travel, leading to straightforward tests for local and global convergence when, for example, disturbances such as foot slippage cause departures from the nominal phasing. We form recurrence maps and use eigenvalue and singular value decomposition to examine local convergence of gaits. To examine global convergence, we implemented a computational geometry technique in high-order spaces. Our travel-based algorithm benefits from a compact code size and ease of implementation. We implemented the algorithm on the RiSE and Stickybot III robots as well as a virtual hexapod in a physics simulator. We demonstrated quickly converging gaits on all platforms as well as gait transitions on Stickybot III and the virtual hexapod.
Bio Inspired Globally Convergent Gait Regulation For A Climbing Robot
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Author : Salomon Joseph Trujillo
language : en
Publisher:
Release Date : 2011
Bio Inspired Globally Convergent Gait Regulation For A Climbing Robot written by Salomon Joseph Trujillo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
The priorities of a climbing legged robot are to maintain a grasp on its climbing surface and to climb efficiently against the force of gravity. Climbing robots are especially susceptible to thermal overload during normal operation, due to the need to oppose gravity and to frequently apply internal forces for clinging. These priorities guided us to develop optimal climbing behaviors under thermal constraints. These behaviors in turn profoundly constrain the choice of gait regulation methods. We propose a novel algorithm: "travel-based" gait regulation that varies foot detachment timing, effectively modifying stride length and frequency in order to maintain gait phasing, subject to kinematic and stability constraints. A core feature of the algorithm is "travel, " a new metric that plays a similar role to relative phasing. The method results in linear equations in terms of travel, leading to straightforward tests for local and global convergence when, for example, disturbances such as foot slippage cause departures from the nominal phasing. We form recurrence maps and use eigenvalue and singular value decomposition to examine local convergence of gaits. To examine global convergence, we implemented a computational geometry technique in high-order spaces. Our travel-based algorithm benefits from a compact code size and ease of implementation. We implemented the algorithm on the RiSE and Stickybot III robots as well as a virtual hexapod in a physics simulator. We demonstrated quickly converging gaits on all platforms as well as gait transitions on Stickybot III and the virtual hexapod.
Functional Vertebrate Morphology
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Author : Milton Hildebrand
language : en
Publisher: Belknap Press
Release Date : 2013-10-01
Functional Vertebrate Morphology written by Milton Hildebrand and has been published by Belknap Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-01 with categories.
Snake Robots
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Author : Pål Liljebäck
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-06-13
Snake Robots written by Pål Liljebäck and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-06-13 with Technology & Engineering categories.
Snake Robots is a novel treatment of theoretical and practical topics related to snake robots: robotic mechanisms designed to move like biological snakes and able to operate in challenging environments in which human presence is either undesirable or impossible. Future applications of such robots include search and rescue, inspection and maintenance, and subsea operations. Locomotion in unstructured environments is a focus for this book. The text targets the disparate muddle of approaches to modelling, development and control of snake robots in current literature, giving a unified presentation of recent research results on snake robot locomotion to increase the reader’s basic understanding of these mechanisms and their motion dynamics and clarify the state of the art in the field. The book is a complete treatment of snake robotics, with topics ranging from mathematical modelling techniques, through mechatronic design and implementation, to control design strategies. The development of two snake robots is described and both are used to provide experimental validation of many of the theoretical results. Snake Robots is written in a clear and easily understandable manner which makes the material accessible by specialists in the field and non-experts alike. Numerous illustrative figures and images help readers to visualize the material. The book is particularly useful to new researchers taking on a topic related to snake robots because it provides an extensive overview of the snake robot literature and also represents a suitable starting point for research in this area.
Computational Modeling And Simulation Of Quadrupedal Animal Movement
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Author : Gina Bertocci
language : en
Publisher: Frontiers Media SA
Release Date : 2022-08-17
Computational Modeling And Simulation Of Quadrupedal Animal Movement written by Gina Bertocci and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-08-17 with Science categories.
Quadrupedal Locomotion
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Author : Pablo González de Santos
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-02-17
Quadrupedal Locomotion written by Pablo González de Santos and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-02-17 with Technology & Engineering categories.
Walking machines have advantages over traditional vehicles, and have already accomplished tasks that wheeled or tracked robots cannot handle. Nevertheless, their use in industry and services is currently limited in scope. This book brings together methods and techniques that have been developed to deal with obstacles to wider acceptance of legged robots. Part I provides an historical overview. Part II concentrates on control techniques, as applied to Four-legged robots.
Evolutionary Robotics
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Author : Stefano Nolfi
language : en
Publisher: MIT Press
Release Date : 2000
Evolutionary Robotics written by Stefano Nolfi and has been published by MIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Computers categories.
An overview of the basic concepts and methodologies of evolutionary robotics, which views robots as autonomous artificial organisms that develop their own skills in close interaction with the environment and without human intervention.
Human Centric Robotics Proceedings Of The 20th International Conference Clawar 2017
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Author : Manuel F Silva
language : en
Publisher: World Scientific
Release Date : 2017-08-23
Human Centric Robotics Proceedings Of The 20th International Conference Clawar 2017 written by Manuel F Silva and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-23 with Technology & Engineering categories.
This book provides state-of-the-art scientific and engineering research findings and developments in the area of service robotics and associated support technologies around the theme of human-centric robotics. The book contains peer reviewed articles presented at the CLAWAR 2017 conference. The book contains a strong stream of papers on robotic locomotion strategies and wearable robotics for assistance and rehabilitation. There is also a strong collection of papers on non-destructive inspection, underwater and UAV robotics to meet the growing emerging needs in various sectors of the society. Robot designs based on biological inspirations are also strongly featured.
The Robotics Primer
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Author : Maja J. Mataric
language : en
Publisher: MIT Press
Release Date : 2007-08-17
The Robotics Primer written by Maja J. Mataric and has been published by MIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-08-17 with Computers categories.
A broadly accessible introduction to robotics that spans the most basic concepts and the most novel applications; for students, teachers, and hobbyists. The Robotics Primer offers a broadly accessible introduction to robotics for students at pre-university and university levels, robot hobbyists, and anyone interested in this burgeoning field. The text takes the reader from the most basic concepts (including perception and movement) to the most novel and sophisticated applications and topics (humanoids, shape-shifting robots, space robotics), with an emphasis on what it takes to create autonomous intelligent robot behavior. The core concepts of robotics are carried through from fundamental definitions to more complex explanations, all presented in an engaging, conversational style that will appeal to readers of different backgrounds. The Robotics Primer covers such topics as the definition of robotics, the history of robotics (“Where do Robots Come From?”), robot components, locomotion, manipulation, sensors, control, control architectures, representation, behavior (“Making Your Robot Behave”), navigation, group robotics, learning, and the future of robotics (and its ethical implications). To encourage further engagement, experimentation, and course and lesson design, The Robotics Primer is accompanied by a free robot programming exercise workbook that implements many of the ideas on the book on iRobot platforms. The Robotics Primer is unique as a principled, pedagogical treatment of the topic that is accessible to a broad audience; the only prerequisites are curiosity and attention. It can be used effectively in an educational setting or more informally for self-instruction. The Robotics Primer is a springboard for readers of all backgrounds—including students taking robotics as an elective outside the major, graduate students preparing to specialize in robotics, and K-12 teachers who bring robotics into their classrooms.
Vision And Voyages For Planetary Science In The Decade 2013 2022
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2011-12-30
Vision And Voyages For Planetary Science In The Decade 2013 2022 written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-12-30 with Science categories.
In recent years, planetary science has seen a tremendous growth in new knowledge. Deposits of water ice exist at the Moon's poles. Discoveries on the surface of Mars point to an early warm wet climate, and perhaps conditions under which life could have emerged. Liquid methane rain falls on Saturn's moon Titan, creating rivers, lakes, and geologic landscapes with uncanny resemblances to Earth's. Vision and Voyages for Planetary Science in the Decade 2013-2022 surveys the current state of knowledge of the solar system and recommends a suite of planetary science flagship missions for the decade 2013-2022 that could provide a steady stream of important new discoveries about the solar system. Research priorities defined in the report were selected through a rigorous review that included input from five expert panels. NASA's highest priority large mission should be the Mars Astrobiology Explorer Cacher (MAX-C), a mission to Mars that could help determine whether the planet ever supported life and could also help answer questions about its geologic and climatic history. Other projects should include a mission to Jupiter's icy moon Europa and its subsurface ocean, and the Uranus Orbiter and Probe mission to investigate that planet's interior structure, atmosphere, and composition. For medium-size missions, Vision and Voyages for Planetary Science in the Decade 2013-2022 recommends that NASA select two new missions to be included in its New Frontiers program, which explores the solar system with frequent, mid-size spacecraft missions. If NASA cannot stay within budget for any of these proposed flagship projects, it should focus on smaller, less expensive missions first. Vision and Voyages for Planetary Science in the Decade 2013-2022 suggests that the National Science Foundation expand its funding for existing laboratories and establish new facilities as needed. It also recommends that the program enlist the participation of international partners. This report is a vital resource for government agencies supporting space science, the planetary science community, and the public.