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| Author | : Alejandro Ortega Ancel |
| Publisher | : |
| Total Pages | : |
| Release | : 2019 |
| Genre | : |
| ISBN | : |
| Author | : Richard J. Lock |
| Publisher | : |
| Total Pages | : |
| Release | : 2011 |
| Genre | : |
| ISBN | : |
The majority of robotic vehicles that can be found in the engineering community today are bound to operations within a single medium. This dissertation begins to lay the foundation for a generation of vehicles capable of multi-modal locomotion, allowing ambulatory abilities in more than one media, specifically focussing on a vehicle with both aerial and aquatic modes of locomotion. The flapping mechanism under investigation is used in both air and water, driving a wing capable of morphing its shape dependant on the medium of operation. Through a combi- nation of numerical analysis along with empirical analysis (gathered using a purpose built mechatronic system), the feasibility of using the dual-use mechanism has been demon- strated, along with quantifying projected performance. A detailed numerical model of the morphing wing supporting the development of the multi- modal vehicle has been formulated that combines blade element analysis (BEA), which models the hydrodynamics, along with additional inertial dynamics during the aquatic phase. The aerial phase of the model was developed based on established formuli relating to flapping aerial flight. The initial numerical model demonstrated the importance of the ability to operate with under-constrained kinematics in order to provide the desired highly manoeuvrable platform. Referring to the developed specification, the numerical model showed that in order to be able to achieve the vehicles minimum power velocity, i.e. enabling loitering capabilities, the wing semi-span would need to be ~ 0.35m and the chord would need to be ~ 0.08m. The mechatronic testing platform, consisting of a 2 degree-of-freedom (dof') flapping mech- anism, demonstrated that the required power to flap the retracted foil in water greatly reduces compared to the extended, with an observed reduction of ~ 75% in required me- chanical power into the system. Through standardisation of the results by means of the non-dimensionalised St number, the observed performance measures of the propulsive ef- ficiency and thrust coefficient have been shown to be similar for both the extended and retracted foils. Mechanical propulsive efficiencies of 0.65 were found for both foil shapes (i.e. outstretched ana' retracted) provided parameters were standardised during compar- isons, specifically the Strouhal number and the effective angle of attack, demonstrating the feasibility of using a retracted foil on future robotic vehicles using a flapping wing in both aerial and aquatic substrates.
| Author | : Raphael Zufferey |
| Publisher | : Springer Nature |
| Total Pages | : 253 |
| Release | : 2022-01-03 |
| Genre | : Technology & Engineering |
| ISBN | : 3030895750 |
This book reports on the state of the art in the field of aerial-aquatic locomotion, focusing on the main challenges concerning the translation of this important ability from nature to synthetic systems, and describing innovative engineering solutions that have been applied in practice by the authors at the Aerial Robotics Lab of Imperial College London. After a general introduction to aerial-aquatic locomotion in nature, and a summary of the most important engineering achievements, the book introduces readers to important physical and mathematical aspects of the multimodal locomotion problem. Besides the basic physics involved in aerial-aquatic locomotion, the role of different phenomena happening in fluids, or those due to structural mechanics effects or to power provision, are presented in depth, across a large dimension range, from millimeters to hundreds of meters. In turn, a practice-oriented discussion on the obstacles and opportunities of miniaturization, for both robots and animals is carried out. This is followed by applied engineering considerations, which describe relevant hardware considerations involved in propulsion, control, communication and fabrication. Different case studies are analyzed in detail, reporting on the latest research carried out by the authors, and covering topics such as propulsive aquatic escape, the challenging mechanics of water impact, and a hybrid sailing and flying aircraft. Offering extensive and timely information on the design, construction and operation of small-scale robots, and on multimodal locomotion, this book provides researchers, students and professionals with a comprehensive and timely reference guide to the topic of aerial-aquatic locomotion, and the relevant bioinspired approaches. It is also expected to inspire future research and foster a stronger multidisciplinary discussion in the field.
| Author | : William M. Spears |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 651 |
| Release | : 2012-01-05 |
| Genre | : Computers |
| ISBN | : 3642228046 |
Standard approaches to understanding swarms rely on inspiration from biology and are generally covered by the term “biomimetics”. This book focuses on a different, complementary inspiration, namely physics. The editors have introduced the term 'physicomimetics' to refer to physics-based swarm approaches, which offer two advantages. First, they capture the notion that “nature is lazy', meaning that physics-based systems always perform the minimal amount of work necessary, which is an especially important advantage in swarm robotics. Second, physics is the most predictive science, and can reduce complex systems to simple concepts and equations that codify emergent behavior and help us to design and understand swarms. The editors consolidated over a decade of work on swarm intelligence and swarm robotics, organizing the book into 19 chapters as follows. Part I introduces the concept of swarms and offers the reader a physics tutorial; Part II deals with applications of physicomimetics, in order of increased complexity; Part III examines the hardware requirements of the presented algorithms and demonstrates real robot implementations; Part IV demonstrates how the theory can be used to design swarms from first principles and provides a novel algorithm that handles changing environments; finally, Part V shows that physicomimetics can be used for function optimization, moving the reader from issues of swarm robotics to swarm intelligence. The text is supported with a downloadable package containing simulation code and videos of working robots. This book is suitable for talented high school and undergraduate students, as well as researchers and graduate students in the areas of artificial intelligence and robotics.
| Author | : Eusebio E. Hernandez |
| Publisher | : Springer Nature |
| Total Pages | : 341 |
| Release | : 2020-05-13 |
| Genre | : Technology & Engineering |
| ISBN | : 3030454029 |
This volume gathers the latest advances, innovations, and applications in the field of robotics engineering, as presented by leading international researchers and engineers at the Latin American Symposium on Industrial and Robotic Systems (LASIRS), held in Tampico, Mexico on October-November 30-01 2019. The contributions cover all major areas of R&D and innovation in simulation, optimization, and control of robotics, such as design and optimization of robots using numerical and metaheuristic methods, autonomous and control systems, industrial compliance solutions, numerical simulations for manipulators and robots, metaheuristics applied to robotics problems, Industry 4.0, control and automation in petrochemical processes, simulation and control in aerospace and aeronautics, and education in robotics. The conference represented a unique platform to share the latest research and developments in simulation, control and optimization of robotic systems, and to promote cooperation among specialists in machine and mechanism area.
| Author | : Toshio Fukuda |
| Publisher | : MDPI |
| Total Pages | : 555 |
| Release | : 2018-11-07 |
| Genre | : Electronic books |
| ISBN | : 303897045X |
This book is a printed edition of the Special Issue "Bio-Inspired Robotics" that was published in Applied Sciences
| Author | : Tomar, Pradeep |
| Publisher | : IGI Global |
| Total Pages | : 400 |
| Release | : 2021-01-08 |
| Genre | : Technology & Engineering |
| ISBN | : 1799817245 |
As technology continues to saturate modern society, agriculture has started to adopt digital computing and data-driven innovations. This emergence of “smart” farming has led to various advancements in the field, including autonomous equipment and the collection of climate, livestock, and plant data. As connectivity and data management continue to revolutionize the farming industry, empirical research is a necessity for understanding these technological developments. Artificial Intelligence and IoT-Based Technologies for Sustainable Farming and Smart Agriculture provides emerging research exploring the theoretical and practical aspects of critical technological solutions within the farming industry. Featuring coverage on a broad range of topics such as crop monitoring, precision livestock farming, and agronomic data processing, this book is ideally designed for farmers, agriculturalists, product managers, farm holders, manufacturers, equipment suppliers, industrialists, governmental professionals, researchers, academicians, and students seeking current research on technological applications within agriculture and farming.
| Author | : Aitazaz Ahsan Farooque |
| Publisher | : Frontiers Media SA |
| Total Pages | : 172 |
| Release | : 2024-03-15 |
| Genre | : Science |
| ISBN | : 283254407X |
The Agricultural industry is always at risk - crops are affected by weather, diseases and pests. When a global pandemic hits suddenly, it becomes very difficult to manage various processes because most are not digital. In parallel, the rapid increase in the population and urbanization, demands more food production on less land. Farming under the demand pressure by increasing input consumption, leads to increases costs and negative impacts to the environment such as decreasing soil fertility continuously over time. There is therefore the need to move beyond traditional farming. To produce more yield in the agricultural field, there is the need to dig deep into the technological field and apply sensors, Internet of Things (IoT), big data analytics, cloud computing and machine learning (ML) and deep learning (DL) techniques. Better decision making, prediction and reliability depend upon high level of knowledge base and perceptions.
| Author | : A. R. Jha, Ph.D. |
| Publisher | : CRC Press |
| Total Pages | : 190 |
| Release | : 2016-11-18 |
| Genre | : Computers |
| ISBN | : 1315354012 |
This book provides a complete overview of the theory, design, and applications of unmanned aerial vehicles. It covers the basics, including definitions, attributes, manned vs. unmanned, design considerations, life cycle costs, architecture, components, air vehicle, payload, communications, data link, and ground control stations. Chapters cover types and civilian roles, sensors and characteristics, alternative power, communications and data links, conceptual design, human machine interface, sense and avoid systems, civil airspace issues and integration efforts, navigation, autonomous control, swarming, and future capabilities.
| Author | : Danilo Tardioli |
| Publisher | : Springer Nature |
| Total Pages | : 634 |
| Release | : 2022-11-18 |
| Genre | : Technology & Engineering |
| ISBN | : 303121062X |
This book contains a selection of papers accepted for presentation and discussion at ROBOT 2022—Fifth Iberian Robotics Conference, held in Zaragoza, Spain, on November 23-25, 2022. ROBOT 2022 is part of a series of conferences that are a joint organization of SEIDROB—Sociedad Española para la Investigación y Desarrollo en Robótica/Spanish Society for Research and Development in Robotics, and SPR—Sociedade Portuguesa de Robótica/Portuguese Society for Robotic. ROBOT 2022 builds upon several previous successful events, including three biennial workshops and the four previous editions of the Iberian Robotics Conference, and is focused on presenting the research and development of new applications, on the field of Robotics, in the Iberian Peninsula, although open to research and delegates from other countries. ROBOT 2022 featured four plenary talks on state-of-the-art subjects on robotics and 15 special sessions, plus a main/general robotics track. In total, after a careful review process, 98 high-quality papers were selected for publication, with a total of 219 unique authors, from 22 countries.
