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Author: ChangEun Kim
Publisher:
ISBN:
Category :
Languages : en
Pages : 130
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Book Description
This research combines virtual reality with part interaction, force feedback, and network communication to facilitate collaborative design environment. By allowing collaborative tasks to occur with digital models through network communication as opposed to manipulation of real parts, industry can save time and money by trying many different options without gathering at one place. The objective of this research is to investigate haptic feedback, collision detection, and object interaction within a networked collaborative virtual environment in order to provide realistic part interaction. Various collision detection and physical interaction packages were examined. The advantages and drawbacks of various network architectures were explored and the rationale for using the combination of client-server and peer-to-peer architectures was examined. Different multithreading structures were explored to maintain different update rates effectively. The network inconsistency problem, which resulted from network delay and CPU latency, was investigated. The "Released-but-not-released" (RNR) synchronization method and timeout mechanism were developed and implemented in order to improve the synchronization of the object position/orientation over the network. A networked haptic VR application was developed and tested for three network users with three force feedback devices, each with varying capabilities. The simulation speed and the update rates for each of the user's movements were calculated for the trial case when each user grabbed and collided objects with each other. Barrier synchronization was used to increase the speed of simulation.
Author: ChangEun Kim
Publisher:
ISBN:
Category :
Languages : en
Pages : 130
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Book Description
This research combines virtual reality with part interaction, force feedback, and network communication to facilitate collaborative design environment. By allowing collaborative tasks to occur with digital models through network communication as opposed to manipulation of real parts, industry can save time and money by trying many different options without gathering at one place. The objective of this research is to investigate haptic feedback, collision detection, and object interaction within a networked collaborative virtual environment in order to provide realistic part interaction. Various collision detection and physical interaction packages were examined. The advantages and drawbacks of various network architectures were explored and the rationale for using the combination of client-server and peer-to-peer architectures was examined. Different multithreading structures were explored to maintain different update rates effectively. The network inconsistency problem, which resulted from network delay and CPU latency, was investigated. The "Released-but-not-released" (RNR) synchronization method and timeout mechanism were developed and implemented in order to improve the synchronization of the object position/orientation over the network. A networked haptic VR application was developed and tested for three network users with three force feedback devices, each with varying capabilities. The simulation speed and the update rates for each of the user's movements were calculated for the trial case when each user grabbed and collided objects with each other. Barrier synchronization was used to increase the speed of simulation.
Author: Matjaž Mihelj
Publisher: Springer Science & Business Media
ISBN: 9400757182
Category : Technology & Engineering
Languages : en
Pages : 217
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Book Description
This book covers all topics relevant for the design of haptic interfaces and teleoperation systems. The book provides the basic knowledge required for understanding more complex approaches and more importantly it introduces all issues that must be considered for designing efficient and safe haptic interfaces. Topics covered in this book provide insight into all relevant components of a haptic system. The reader is guided from understanding the virtual reality concept to the final goal of being able to design haptic interfaces for specific tasks such as nanomanipulation. The introduction chapter positions the haptic interfaces within the virtual reality context. In order to design haptic interfaces that will comply with human capabilities at least basic understanding of human sensors-motor system is required. An overview of this topic is provided in the chapter related to human haptics. The book does not try to introduce the state-of-the-art haptic interface solutions because these tend to change quickly. Only a careful selection of different kinematic configurations is shown to introduce the reader into this field. Mathematical models of virtual environment, collision detection and force rendering topics are strongly interrelated and are described in the next two chapters. The interaction with the virtual environment is simulated with a haptic interface. Impedance and admittance based approaches to haptic robot control are presented. Stability issues of haptic interaction are analyzed in details and solutions are proposed for guaranteeing stable and safe operation. Finally, haptic interaction is extended to teleoperation systems. Virtual fixtures which improve the teleoperation and human-robot cooperation in complex environments are covered next and the last chapter presents nanomanipulation as one specific example of teleoperation.
Author: Victor M.R. Penichet
Publisher: Springer Science & Business Media
ISBN: 1447154452
Category : Computers
Languages : en
Pages : 150
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Book Description
The interaction between a user and a device forms the foundation of today’s application design. Covering the following topics: A suite of five structural principles helping designers to structure their mockups; An agile method for exploiting desktop eye tracker equipment in combination with mobile devices; An approach to explore large-scale collections based on classification systems; A framework based on the use of modeling and components composition techniques to simplify the development of organizational collaborative systems; A low-cost virtual reality system that provides highly satisfying virtual experiences; Popular hardware and software tools and technologies for developing augmented and virtual reality applications; An implementation to handle connectivity between virtual reality applications and SensAble® Technology Phantom Haptic Devices; The results of a research study implementing a teaching technological strategy to help Down syndrome children develop their reading skills; Platform independent models decreasing the level of cohesion between communication technologies and software for ubiquitous computing; A method for applying gamification as a tool to improve the participation and motivation of people in performing different tasks. New Trends in Interaction, Virtual Reality and Modeling collects the best research from Interacción 2012 and MexIHC 2012, and presents the state-of-the-art in human-computer interaction, user interfaces, user experience and virtual reality. Written by researchers from leading universities, research institutes and industry, this volume forms a valuable source of reference for researchers in HCI and VR.
Author: Abdulmotaleb El Saddik
Publisher: Springer Science & Business Media
ISBN: 3642226582
Category : Computers
Languages : en
Pages : 230
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Book Description
The term “haptics” refers to the science of sensing and manipulation through touch. Multiple disciplines such as biomechanics, psychophysics, robotics, neuroscience, and software engineering converge to support haptics, and generally, haptic research is done by three communities: the robotics community, the human computer interface community, and the virtual reality community. This book is different from any other book that has looked at haptics. The authors treat haptics as a new medium rather than just a domain within one of the above areas. They describe human haptic perception and interfaces and present fundamentals in haptic rendering and modeling in virtual environments. Diverse software architectures for standalone and networked haptic systems are explained, and the authors demonstrate the vast application spectrum of this emerging technology along with its accompanying trends. The primary objective is to provide a comprehensive overview and a practical understanding of haptic technologies. An appreciation of the close relationship between the wide range of disciplines that constitute a haptic system is a key principle towards being able to build successful collaborative haptic environments. Structured as a reference to allow for fast accommodation of the issues concerned, this book is intended for researchers interested in studying touch and force feedback for use in technological multimedia systems in computer science, electrical engineering, or other related disciplines. With its novel approach, it paves the way for exploring research trends and challenges in such fields as interpersonal communication, games, or military applications.
Author: Angelika Peer
Publisher: Springer Science & Business Media
ISBN: 1447127536
Category : Computers
Languages : en
Pages : 261
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Book Description
Immersive Multimodal Interactive Presence presents advanced interdisciplinary approaches that connect psychophysical and behavioral haptics research with advances in haptic technology and haptic rendering. It delivers a summary of the results achieved in the IMMERSENCE European project and includes selected chapters by international researchers. Organized into two parts: I. Psychophysical and Behavioral Basis and II. Technology and Rendering, it is an excellent example of interdisciplinary research directed towards the advancement of multimodal immersive virtual environments with particular focus on haptic interaction. The twelve chapters of the book are grouped around three different scenarios representing different types of interactions in virtual environments: Person-Object (PO), Person-Object-Person (POP) and Person-Person (PP) interaction. Recent results of psychophysical and behavioral studies are reported along with new technological developments for haptic displays and novel haptic rendering techniques.
Author: Hiroyuki Kajimoto
Publisher: Springer
ISBN: 4431556907
Category : Technology & Engineering
Languages : en
Pages : 292
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Book Description
This book is aimed not only at haptics and human interface researchers, but also at developers and designers from manufacturing corporations and the entertainment industry who are working to change our lives. This publication comprises the proceedings of the first International AsiaHaptics conference, held in Tsukuba, Japan, in 2014. The book describes the state of the art of the diverse haptics- (touch-) related research, including scientific research into haptics perception and illusion, development of haptics devices, and applications for a wide variety of fields such as education, medicine, telecommunication, navigation, and entertainment.
Author: Margaret L. McLaughlin
Publisher: Prentice Hall PTR
ISBN:
Category : Computers
Languages : en
Pages : 314
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Book Description
Haptics: The state-of-the-art in building touch-based interfaces for virtual environments. -- Key research issues: model acquisition, contact detection, force feedback, compression, capture, and collaboration. -- Understanding the role of human factors in haptic interfaces. -- Applications: medical training, telesurgery, biological and scientific interfaces, military applications, sign language, museum display, and more. Haptics -- "touch-based" interface design -- is the exciting new frontier in research on virtual and immersive environments. In Touch in Virtual Environments, the field's leading researchers bring together their most advanced work and applications. They identify the key challenges facing haptic interface developers, present today's best solutions, and outline a clear research agenda for the future. This book draws upon work first presented at the breakthrough haptics conference held recently at USC's Integrated Media Systems Center. The editors and contributors begins by reviewing key haptics applications and the challenges of effective haptic rendering, presenting new insights into model acquisition, contact detection, force feedback, compression, capture, collaboration, and other key issues. Next, they focus on the complex human factors associated with successful haptic interfaces, examining questions such as: How can we make haptic displays more usable for blind and visually impaired users? What are the differences between perceiving texture with the bare skin and with a probe? In the book's final section, several of today's leading haptic applications are introduced, including telesurgery and surgical simulation; scientific visualization.
Author: Chris Gunn
Publisher:
ISBN:
Category : Human-computer interaction
Languages : en
Pages : 262
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Book Description
Haptic (force) feedback has had limited use outside laboratory environments due to the high purchase cost of the equipment. Potential users and their managers have no evidence that the benefits that it provides outweigh the costs involved. While the cost can be expected to ease with time, at present it is limiting the spread of the technology. While haptics enthusiasts may be convinced of its value, there is a lack of evidence of the techniques and the types of applications that can benefit from a haptic interface. This thesis examines the utility that haptics provides to a computer user. It does this by following a series of publications written by the author on various aspects of the subject and adds to these the results of some, as-yet unpublished, experiments. The publications describe several immersive, 3D prototypes and applications that were developed by the author and his colleagues in the CSIRO1 Virtual Environments Laboratory in Canberra, Australia between 1999 and 2006. The work shows that haptic feedback can be successfully integrated into artistic, planning and teaching environments and in these cases it can enhance the user s perception of the virtual environment being depicted. All the software for these applications was built upon a framework that originated from the laboratory and is described in some of the papers included in the thesis. The networking of haptic applications is covered by several of the papers as well as analysed more closely in the text. The author has been able to create collaborative haptic applications that run successfully over much larger distances than were previously thought possible, overcoming some of the problems introduced by the inherent latency of the network. It should be noted, however, that the solutions detailed will only apply to interaction with certain types of virtual objects and do not provide a general solution to latency that will cover any scenario. Nonetheless, the techniques do satisfactorily cover many of the situations that are likely to be encountered when developing virtual reality simulation software.
Author: Ignacio Galiana
Publisher: Springer Science & Business Media
ISBN: 1447152042
Category : Computers
Languages : en
Pages : 222
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Book Description
Multi-finger Haptic Interaction presents a panorama of technologies and methods for multi-finger haptic interaction, together with an analysis of the benefits and implications of adding multiple-fingers to haptic applications. Research topics covered include: design and control of advanced haptic devices; multi-contact point simulation algorithms; interaction techniques and implications in human perception when interacting with multiple fingers. These multi-disciplinary results are integrated into applications such as medical simulators for training manual skills, simulators for virtual prototyping and precise manipulations in remote environments. Multi-finger Haptic Interaction presents the current and potential applications that can be developed with these systems, and details the systems’ complexity. The research is focused on enhancing haptic interaction by providing multiple contact points to the user. This state-of-the-art volume is oriented towards researchers who are involved in haptic device design, rendering methods and perception studies, as well as readers from different disciplines who are interested in applying multi-finger haptic technologies and methods to their field of interest.
Author: Yang Hong
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
