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Author : Matthew Perkins
Publisher :
ISBN 13 :
Total Pages : 138 pages
Book Rating : 4.:/5 (17 download)
Download or read book Development and Modeling of a Biomimetic Punting Unmanned Underwater Vehicle written by Matthew Perkins and published by . This book was released on 2018 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nicolas Plamondon
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (696 download)
Download or read book Modeling and Control of a Biomimetic Underwater Vehicle written by Nicolas Plamondon and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Shuo Wang
Publisher : Springer Nature
ISBN 13 : 9819906555
Total Pages : 181 pages
Book Rating : 4.8/5 (199 download)
Download or read book Underwater Biomimetic Vehicle-Manipulator System written by Shuo Wang and published by Springer Nature. This book was released on 2023-04-27 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is about the design and control of biomimetic underwater robots. It explains the six aspects of the underwater biomimetic vehicle- manipulator system in detail and provides practical examples. This book is the authors’ long-term exploration of the theoretical and technical issues in the development of the underwater biomimetic vehicle-manipulator system and is written based on more than 15 years of scientific research and practical experience. This book is a helpful reference for the researchers, engineers, master and Ph.D. students in the field of biomimetic underwater robots.
Author : Sabiha Wadoo
Publisher : CRC Press
ISBN 13 : 1439818320
Total Pages : 165 pages
Book Rating : 4.4/5 (398 download)
Download or read book Autonomous Underwater Vehicles written by Sabiha Wadoo and published by CRC Press. This book was released on 2017-12-19 with total page 165 pages. Available in PDF, EPUB and Kindle. Book excerpt: Underwater vehicles present some difficult and very particular control system design problems. These are often the result of nonlinear dynamics and uncertain models, as well as the presence of sometimes unforeseeable environmental disturbances that are difficult to measure or estimate. Autonomous Underwater Vehicles: Modeling, Control Design, and Simulation outlines a novel approach to help readers develop models to simulate feedback controllers for motion planning and design. The book combines useful information on both kinematic and dynamic nonlinear feedback control models, providing simulation results and other essential information, giving readers a truly unique and all-encompassing new perspective on design. Includes MATLAB® Simulations to Illustrate Concepts and Enhance Understanding Starting with an introductory overview, the book offers examples of underwater vehicle construction, exploring kinematic fundamentals, problem formulation, and controllability, among other key topics. Particularly valuable to researchers is the book’s detailed coverage of mathematical analysis as it applies to controllability, motion planning, feedback, modeling, and other concepts involved in nonlinear control design. Throughout, the authors reinforce the implicit goal in underwater vehicle design—to stabilize and make the vehicle follow a trajectory precisely. Fundamentally nonlinear in nature, the dynamics of AUVs present a difficult control system design problem which cannot be easily accommodated by traditional linear design methodologies. The results presented here can be extended to obtain advanced control strategies and design schemes not only for autonomous underwater vehicles but also for other similar problems in the area of nonlinear control.
Author : Yuri Trakht
Publisher :
ISBN 13 :
Total Pages : 73 pages
Book Rating : 4.:/5 (11 download)
Download or read book Biomimetic Improvement of the Maneuvering Qualities of Unmanned Underwater Vehicles written by Yuri Trakht and published by . This book was released on 2019 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, biomimetics has been used as a source of inspiration to improve the performance of engineered systems in several disciplines. In this thesis, we emulate the function of the retractable dorsal fins in tunas to improve the maneuvering performance of a typical autonomous underwater vehicle, the REMUS 100 AUV. We are introducing dorsal-like fins on the AUV that can be erected to alter its maneuvering hydrodynamic coefficients, and hence affect the transient and steady-state turning response. In order to study systematically the effect of adding dorsal fins, we built a six degrees of freedom simulation model of the REMUS AUV. The model included body and rudder lift forces and moments, added mass forces and moments, gyroscopic and centrifugal forces, drag forces and moments, and body forces and moments such as buoyancy and gravity terms. To target the horizontal plane maneuvering characteristics, we reduced the model to a 3 DOF simulation, allowing the dorsal fin to vary in area, location along the length of the AUV, as well as having a turning angle with respect to the REMUS x-axis. We find that the addition of the fin can improve the performance, as measured by the radius of turning and rate of turning, moderately only when placed ahead of the center of gravity. However, when the dorsal fin is also allowed to rotate in the opposite direction that the rudder, substantial improvement in maneuvering performance is noted, increasing the turning rate up to 25%.
Author : Junzhi Yu
Publisher : Springer
ISBN 13 : 9811387710
Total Pages : 203 pages
Book Rating : 4.8/5 (113 download)
Download or read book Motion Control of Biomimetic Swimming Robots written by Junzhi Yu and published by Springer. This book was released on 2019-06-19 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reports on the latest advances in the study of motion control in biomimetic swimming robots with high speed and high manoeuvrability. It presents state-of-the-art studies on various swimming robots including robotic fish, dolphins and jellyfish in a unified framework, and discusses the potential benefits of applying biomimetic underwater propulsion to autonomous underwater vehicle design, such as: speed, energy economy, enhanced manoeuvrability, and reduced detectability. Given its scope, the book will be of interest to researchers, engineers and graduate students in robotics and ocean engineering who wish to learn about the core principles, methods, algorithms, and applications of biomimetic underwater robots.
Author : G.N. Roberts
Publisher : IET
ISBN 13 : 0863414508
Total Pages : 461 pages
Book Rating : 4.8/5 (634 download)
Download or read book Advances in Unmanned Marine Vehicles written by G.N. Roberts and published by IET. This book was released on 2006-01-31 with total page 461 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unmanned marine vehicles (UMVs) include autonomous underwater vehicles, remotely operated vehicles, semi-submersibles and unmanned surface craft. Considerable importance is being placed on the design and development of such vehicles, as they provide cost-effective solutions to a number of littoral, coastal and offshore problems. This book highlights the advanced technology that is evolving to meet the challenges being posed in this exciting and growing area of research.
Author : Christopher Nunes
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.:/5 (945 download)
Download or read book Optical 2D Positional Estimation for a Biomimetic Station-keeping Autonomous Underwater Vehicle written by Christopher Nunes and published by . This book was released on 2015 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: Underwater vehicles often use acoustics or dead reckoning for global positioning, which is impractical for low cost, high proximity applications. An optical based positional feedback system for a wave tank operated biomimetic station-keeping vehicle was made using an extended Kalman filter and a model of a nearby light source. After physical light model verification, the filter estimated surge, sway, and heading with 6 irradiance sensors and a low cost inertial measurement unit (~$15). Physical testing with video feedback suggests an average error of ~2cm in surge and sway, and ~3deg in yaw, over a 1200 cm2 operational area. This is 2-3 times better, and more consistent, than adaptations of prior art tested alongside the extended Kalman filter feedback system. The physical performance of the biomimetic platform was also tested. It has a repeatable forward velocity response with a max of 0.3 m/s and fair stability in surface testing conditions.
Author : G.N. Roberts
Publisher : IET
ISBN 13 : 1849194793
Total Pages : 442 pages
Book Rating : 4.8/5 (491 download)
Download or read book Further Advances in Unmanned Marine Vehicles written by G.N. Roberts and published by IET. This book was released on 2012-07-30 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unmanned marine vehicles (UMVs) is a collective term which can be used to describe autonomous underwater vehicles, remotely operated vehicles, semisubmersibles, and unmanned surface craft. These days there is considerable interest being shown in UMVs by the military, civilian and scientific communities for undertaking designated missions whilst either operating autonomously and/or in cooperation with other types of vehicle. More and more worldwide importance is also being placed on the design and development of such vehicles as they are capable of providing cost effective solutions to a number of littoral, coastal and offshore problems. This new book on the subject will cover topics including Navigation guidance and control of the following unmanned marine vehicles: remotely operated vehicles (ROVs), autonomous underwater vehicles (AUVs), ncluding gliders, autonomous surface vehicles (ASVs).
Author : Ali H M Wadi
Publisher :
ISBN 13 :
Total Pages : 121 pages
Book Rating : 4.:/5 (127 download)
Download or read book Modeling and Guidance of an Underactuated Autonomous Underwater Vehicle written by Ali H M Wadi and published by . This book was released on 2017 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Autonomous Underwater Vehicles (AUVs) have become an indispensable tool that is employed by an array of fields. From the inspection of underwater cables and pipelines, to the monitoring of fish pens and coral reefs, to the detection and disposal of mines, and to the executing search and rescue operations, AUV research and development has received a lot of attention. This thesis is concerned with the mathematical modeling of an underactuated AUV to execute its missions. The modeling task entails identification of the numerous parameters of the vehicle. A finite element analysis software was used to estimate the parameters describing drag and hydrodynamic mass phenomena. While the proposed underactuated configuration promotes the deployment of more energy-efficient vehicles, this configuration imposes complications on the guidance and motion control tasks as the vehicle becomes constrained in the way it can reach certain positions or perform certain motions (anholonomy). To tackle this trajectory tracking guidance problem, a model-based controller that overcomes the underactuated nature of the vehicle was designed. This controller was further enhanced by the novel development and application of a Universal Adaptive Stabilizer-based adaptation law that aims to minimize controller effort, reject noise, and provide robust trajectory tracking. The adaptation is governed by a statistical management system to ensure proper operation in a noisy underwater environment. Moreover, the navigation problem is touched upon by implementing a sensor fusion algorithm to estimate the vehicle state in its noisy environment. The algorithm investigates an Extended Kalman Filter as well as an Unscented Kalman Filter to fuse the available information from sensors with the modeled dynamics of the vehicle and provide better estimates of the vehicle state. Additionally, the hardware and software was integrated in a Robot Operating System setting, and a Gazebo-based simulation environment that enables the visual depiction and testing of algorithms on the considered AUV was developed. The parameter identification methodology compared well to published analytical and empirical forms, the proposed adaptation law outperformed traditional techniques like Adaptive Proportional Controllers, and the gain management system demonstrated excellent potential at maintaining stable operation of the vehicle in very noisy environments."--Abstract.
Author : Sampriti Bhattacharyya
Publisher :
ISBN 13 :
Total Pages : 233 pages
Book Rating : 4.:/5 (112 download)
Download or read book Design and Dynamic Modeling of an Unmanned Underwater Vehicle for Submerged Surface Inspection Exploiting Hydrodynamic Ground Effect written by Sampriti Bhattacharyya and published by . This book was released on 2017 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: Anticipated growth of sub-sea technologies for security, infrastructure inspection, and exploration, motivates a deeper understanding of underwater navigation in proximity to a submerged target surface. Common examples range from water tanks in nuclear reactors, submerged oil rig infrastructure, to ship hulls with hidden compartments and threats. We propose EVIE (Ellipsoidal Vehicle for Inspection and Exploration): a water jet propelled, football sized ellipsoidal Unmanned Underwater Vehicle (UUV) with a flattened base to house necessary sensors needed for surface inspections. The UUV is designed - both in terms of its shape and propulsion - for gliding on submerged surfaces for volumetric inspection, in addition to motion in free stream motion for visual inspections. This thesis research explores the ground effect hydrodynamics due to the motion of a body near a surface. We demonstrate the formation of a thin fluid bed layer between the surfaces which enables smooth motion even on rough surfaces. The proposed robot eliminates the need for wheels or suction. Use of ground effect fluid dynamics is common in aerial and land vehicles but is almost unexplored for underwater applications. We focus exploiting this phenomenon in real world applications, developing a prototype model to maintain precise distances with reduced actuator control. We explore both parasitic (induced by lateral motion) and explicitly induced (adding a impinging bottom jet) hydrodynamic effects. We find the force is not only non linear, it is not monotonic and has multiple equilibria. As the body approaches the surface it first experiences repulsion (enhanced thrust) due to an up-wash effect - similar to vertical take off and landing (VTOL) vehicles which can hover at reduced thrust. This transitions to a suction force at small distances from a Venturi effect. At still smaller distances there is again a repulsion due to choking flow between the body and the surface. Given the complexity of the force, and considering the hydrodynamic drag is non linear as well, traditional linearization fails to capture the system behavior and is at best constrained to a small region around the equilibrium. Instead, we use a higher dimensional, data driven approach for modeling. The underlying hypothesis is that dynamical systems behave linearly when recast in a suitable higher dimensional space. State variables are augmented by adding auxiliary variables that sufficiently inform the nonlinear dynamics of the system. We demonstrate a novel and a powerful method of individual estimation of each of the state dependent non linearities by integrating a state estimator into the augmented system. The estimator only uses measured, original states to estimate the non linear forces. The method is extremely robust: even though the approximated state transition model has significant inaccuracies, we prove guaranteed convergence of the unobserved states. This doctoral thesis encompasses three unique contribution: design and development of a prototype micro UUV platform for testing surface inspection methods; invention and application of a unique underwater phenomenon to the UUV; and establishing a novel mathematical approach for robust estimation of complex non linear elements using a linearized, high dimensional data driven model. The research presented opens a whole new door of opportunities and provides a new perspective for the design of next generation subsea vehicles and technology.
Author : Jing Yan
Publisher : Springer Nature
ISBN 13 : 9811660964
Total Pages : 222 pages
Book Rating : 4.8/5 (116 download)
Download or read book Autonomous Underwater Vehicles written by Jing Yan and published by Springer Nature. This book was released on 2021-11-01 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Autonomous underwater vehicles (AUVs) are emerging as a promising solution to help us explore and understand the ocean. The global market for AUVs is predicted to grow from 638 million dollars in 2020 to 1,638 million dollars by 2025 – a compound annual growth rate of 20.8 percent. To make AUVs suitable for a wider range of application-specific missions, it is necessary to deploy multiple AUVs to cooperatively perform the localization, tracking and formation tasks. However, weak underwater acoustic communication and the model uncertainty of AUVs make achieving this challenging. This book presents cutting-edge results regarding localization, tracking and formation for AUVs, highlighting the latest research on commonly encountered AUV systems. It also showcases several joint localization and tracking solutions for AUVs. Lastly, it discusses future research directions and provides guidance on the design of future localization, tracking and formation schemes for AUVs. Representing a substantial contribution to nonlinear system theory, robotic control theory, and underwater acoustic communication system, this book will appeal to university researchers, scientists, engineers, and graduate students in control theory and control engineering who wish to learn about the core principles, methods, algorithms, and applications of AUVs. Moreover, the practical localization, tracking and formation schemes presented provide guidance on exploring the ocean. The book is intended for those with an understanding of nonlinear system theory, robotic control theory, and underwater acoustic communication systems.
Author : Parasar Kodati
Publisher : ProQuest
ISBN 13 : 9780542817120
Total Pages : pages
Book Rating : 4.8/5 (171 download)
Download or read book Biomimetic Micro Underwater Vehicle with Ostraciiform Locomotion written by Parasar Kodati and published by ProQuest. This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Centimeter scale Micro Underwater Vehicles (MUVs) capable of autonomous navigation can be used in applications such as marine organism sensing, ship wreck exploration, pipeline inspection, environmental monitoring, chemical and pollution detection, etc. This thesis presents the design, analysis and development of a bio-inspired boxfish MUV Recent observations from biologists provide the data on morphology and swimming modes of boxfish. We have investigated the flapping fin hydrodynamics using experimental platform and body hydrodynamic stability analysis using simulation studies to arrive at the final design of a boxfish robot. First, experimental studies were conducted to characterize and optimize the flapping fin propulsion and maneuvering of the caudal and pectoral fins. Second, fluid flow simulations on 3D CAD models of boxfish-like body shapes were investigated to arrive at the body shape of the MUV. Finally, a robotic prototype was developed based on the above analysis. (Abstract shortened by UMI.).
Author : Kevin Michael Bryne
Publisher :
ISBN 13 : 9781423561255
Total Pages : 227 pages
Book Rating : 4.5/5 (612 download)
Download or read book Real-Time Modeling of Cross-Body Flow for Torpedo Tube Recovery of the Phoenix Autonomous Underwater Vehicle (AUV) written by Kevin Michael Bryne and published by . This book was released on 1998-03-01 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: A virtual world provides an exceptional resource for the testing and development of an Autonomous Underwater Vehicle (AUV). The difficulties associated with the underwater environment are numerous and complex. In order to properly verify vehicle results in the laboratory such a world must accurately model the physics associated with the vehicle, its submerged hydrodynamics characteristics, and interactions with the environment. Environmental effects such as wave motion, currents, and flow forces created by bodies moving through the water can cause unpredicted performance variations and failures in the ocean environment. The current Phoenix AUV virtual world includes steady state ocean currents, but does not take into account the environmental effects of waves and flow forces induced by adjacent vehicles (such as a moving submarine docking target). This work provides a thorough real time simulation of these complex factors using physically based models. The problem is broken down into wave motion effects, submarine induced flow fields, and virtual sensors to improve AUV motion control. Simulated testing is performed across a range of easy to worst case scenarios in order to justify assumptions. Extensive testing using virtual sensors is used to develop adequate control algorithms in the presence of turbulent cross body flow. The result of this research is an enhanced virtual world which more accurately depicts the ocean environment, along with the models and control algorithms required to design and operate an AUV during submarine launch and recovery. A platform independent approach to virtual environment simulation is presented through the use of the Virtual Reality Modeling Language (VRML) and Java. Finally, simulation test results provide strong evidence that AUV control with actual cross body flow sensors can enable stable navigation, first through a turbulent flow field and then for subsequent docking with
Author : Gianluca Antonelli
Publisher : Springer
ISBN 13 : 3319778994
Total Pages : 374 pages
Book Rating : 4.3/5 (197 download)
Download or read book Underwater Robots written by Gianluca Antonelli and published by Springer. This book was released on 2018-04-05 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: A classic in underwater robotics. One of the first volumes in the “Springer Tracts in Advanced Robotics” series, it has been a bestseller through the previous three editions. Fifteen years after the publication of the first edition, the fourth edition comes to print. The book addresses the main control aspects in underwater manipulation tasks. With respect to the third edition, it has been revised, extended and some concepts better clustered. The mathematical model with significant impact on the control strategy is discussed. The problem of controlling a 6-degrees-of-freedoms autonomous underwater vehicle is investigated and a survey of fault detection/tolerant strategies for unmanned underwater vehicles is provided. Inverse kinematics, dynamic and interaction control for underwater vehicle-manipulator systems are then discussed. The code used to generate most of the numerical simulations is made available and briefly discussed.
Author : George M. Roman
Publisher : Nova Science Publishers
ISBN 13 : 9781536189674
Total Pages : 109 pages
Book Rating : 4.1/5 (896 download)
Download or read book Underwater Vehicles written by George M. Roman and published by Nova Science Publishers. This book was released on 2020 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Underwater Vehicles: Design and Applications first explores the application of the adaptive Kalman filter algorithm to the estimation of high speed autonomous underwater vehicle dynamics. The authors investigate the performances of different control schemes, from non-model-based to model-based and adaptive model-based, implemented on a low-inertia underwater vehicle for three-dimensional helical trajectory tracking. Control laws for collision avoidance in three-dimensional environments are introduced, considering scenarios where a vehicle detects arbitrarily shaped and nonconvex obstacles using sensors"--
Author : Andrea M. Meneses
Publisher :
ISBN 13 :
Total Pages : 90 pages
Book Rating : 4.:/5 (896 download)
Download or read book Development of a Morphing Autonomous Underwater Vehicle for Path and Station Keeping in Complex Current Environments written by Andrea M. Meneses and published by . This book was released on 2014 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis explores the feasibility of using morphing rudders in autonomous underwater vehicles (AUVs) to improve their performance in complex current environments. The modeling vehicle in this work corresponds to the Florida Atlantic University's Ocean EXplorer (OEX) AUV. The AUV nonlinear dynamic model is limited to the horizontal plane and includes the effect of ocean current. The main contribution of this thesis is the use of active rudders to successfully achieve path keeping and station keeping of an AUV under the inuence of unsteady current force. A constant ocean current superimposed with a sinusoidal component is considered. The vehicle's response is analyzed for a range of current frequencies.
