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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 78
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Book Description
Advances in graphic display technologies have made virtual reality (VR) and scientific visualization applications accessible to a wide user population. Unfortunately, few human interface tools exist to allow users to interact naturally with these powerful graphical environments. To address this need, Immersion Corporation has developed a user interface mechanism to allow natural manual interaction with 3-D environments which provides realistic force feedback to the user. This haphic display methodology combines high fidelity, low cost, and inherent safety to allow force reflection technology to become commercially feasible. The long term objective is to produce a 3-D haptic interface for virtual environments. Phase 1 focused on producing one-dimensional haptic interface hardware and incorporating this technology into a real world VR application. Immersion and the Ohio Supercomputer Center have worked together to produce a virtual simulation of epidural analgesia, a medical procedure that requires delicate needle insertions into the spinal column. The resulting VR simulation is so realistic in look and feel, it can actually be used as a training environment to teach doctors to perform the dexterous manual procedure, allowing them to learn manual technique and explore the associated physical sensations without the risks or costs associated with using real biological specimens. (AN).
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 78
Get Book Here
Book Description
Advances in graphic display technologies have made virtual reality (VR) and scientific visualization applications accessible to a wide user population. Unfortunately, few human interface tools exist to allow users to interact naturally with these powerful graphical environments. To address this need, Immersion Corporation has developed a user interface mechanism to allow natural manual interaction with 3-D environments which provides realistic force feedback to the user. This haphic display methodology combines high fidelity, low cost, and inherent safety to allow force reflection technology to become commercially feasible. The long term objective is to produce a 3-D haptic interface for virtual environments. Phase 1 focused on producing one-dimensional haptic interface hardware and incorporating this technology into a real world VR application. Immersion and the Ohio Supercomputer Center have worked together to produce a virtual simulation of epidural analgesia, a medical procedure that requires delicate needle insertions into the spinal column. The resulting VR simulation is so realistic in look and feel, it can actually be used as a training environment to teach doctors to perform the dexterous manual procedure, allowing them to learn manual technique and explore the associated physical sensations without the risks or costs associated with using real biological specimens. (AN).
Author: Grigore C. Burdea
Publisher: Wiley-Interscience
ISBN: 9780471021414
Category : Computers
Languages : en
Pages : 368
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Book Description
A comprehensive treatment of force feedback—the hottest area of research in virtual reality Can interactivity in virtual reality (VR) extend to include our sense of touch? Could weight, temperature, and texture combine to bring simulated objects to life? Describing cutting-edge technology that will influence the way we interact with computers for years to come, this pioneering book answers yes: not only is it possible, but devices capable of providing force and tactile sensory feedback already exist. Force and Touch Feedback for Virtual Reality is the first comprehensive source of information on the design, modeling, and applications of force and tactile interfaces for VR. It is a must have for scientists, engineers, psychologists, and developers involved in VR, and for anyone who would like to gain a deeper understanding of this exciting and fast-growing field. Complete with hundreds of tables, figures, and color illustrations, Force and Touch Feedback for Virtual Reality offers Basic information on human tactile sensing and control and feedback actuator technology A worldwide survey of force and tactile interface devices, from the simple joystick to full-body instrumented suits based on human factor tests Step-by-step instructions for realistic physical modeling of virtual object characteristics such as weight, surface smoothness, compliance, and temperature A unified treatment of the benefits of the new haptic interface technology for simulation and training based on human factor tests A detailed analysis of optimum control requirements for force and tactile feedback devices A review of emerging applications in areas ranging from surgical training and entertainment to telerobotics and the military
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: 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: Iman Shafieloo
Publisher:
ISBN:
Category : Control theory
Languages : en
Pages : 0
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Book Description
Stability is a critical issue in haptic simulation. Unlike other conventional robotic manipulators, haptic devices inherently function in close proximity to humans. The unpredictable nature of human operator and the virtual environment are the main sources of instability in a stand alone haptic system. In the case of teleoperative haptic systems the criteria for stability is far more complicated than those studied for single-user systems. Stability and traceability in telehaptic systems are some of the main technical challenges in the field of shared virtual environments. The methods proposed in this thesis provide accurate 3D force reflecting telehaptic model to guarantee a stable teleoperation in a virtual environment that minimizes the tracking errors between the master and slave haptic devices. A control strategy is developed and investigated for maintaining and improving on the stability margins and achievable performances for telehaptic system as a training tool intended for bilateral interaction with virtual objects. Specifically a recursive adaptive method is developed and applied in order to minimize the tracking error between the master and slave haptic devices. A detailed comparative evaluation of the proposed control and estimation strategies is presented to illustrate the performance of the resulting controlled telehaptic system. The research presented here is based on an implementation environment consisting of master and slave haptic devices operating on a single workstation, which implies that improving the system response and performance in a network environment remains as another challenge and future work. The development of higher quality graphics accelerators, processors, high speed networks and data communications, specific protocols for 3D graphics and haptics world, specific real time algorithms and even the development of 3D modeling languages affect this next generation technology.
Author: Troy McDaniel
Publisher: Springer Nature
ISBN: 3030342301
Category : Computers
Languages : en
Pages : 298
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Book Description
This book is the first resource to provide in-depth coverage on topical areas of assistive, rehabilitative, and health-related applications for haptic (touch-based) technologies. Application topics are grouped into thematic areas spanning haptic devices for sensory impairments, health and well-being, and physical impairments which are illustrated in this book. A diverse group of experts in the field were invited to contribute different chapters to provide complementary and multidisciplinary perspectives. Unlike other books on haptics, which focus on human haptic perception, specific modalities of haptics (e.g., realistic haptic rendering), or broadly cover the subfields of haptics, this book takes an application-oriented approach to present a tour of how the field of haptics has been advanced with respect to important, impactful thematic focuses. Under Theme 1 “Sensory Impairments”, haptics technologies to support individuals with sensory impairments is presented which includes: Spatial awareness in sensory impairments through touch; Haptically-assisted interfaces for persons with visual impairments; and Enabling learning experiences for visually impaired children by interaction design. Under Theme 2 “Haptics for Health and Well-Being”, haptics technologies aimed at supporting exercise and healthy aging will be covered including: Haptics in rehabilitation, exergames and health; Therapeutic haptics for mental health and well-being; and Applications of haptics in medicine. Under Theme 3 “Haptics for Physical Impairments”, haptics technologies for enhancing the quality of life for individuals with weakened/impaired limbs or neurological diseases impacting movement is targeted including: Assistive soft exoskeletons with pneumatic artificial muscles; Haptics for accessibility in rehabilitative hardware; and intelligent robotics and immersive displays for enhancing haptic interaction in physical rehabilitation environments. Engineers, scientists, and researchers working in the areas of haptics, multimedia, virtual/augmented/mixed-reality, human-computer interaction, assistive technologies, rehabilitative technologies, healthcare technologies, and/or actuator design will want to purchase this book. Advanced level students and hobbyists interested in haptics will also be interested in this book.
Author: Ming C. Lin
Publisher: CRC Press
ISBN: 1439865140
Category : Computers
Languages : en
Pages : 623
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Book Description
For a long time, human beings have dreamed of a virtual world where it is possible to interact with synthetic entities as if they were real. It has been shown that the ability to touch virtual objects increases the sense of presence in virtual environments. This book provides an authoritative overview of state-of-theart haptic rendering algorithms
Author: Stephen Brewster
Publisher: Springer
ISBN: 3540445897
Category : Computers
Languages : en
Pages : 232
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Book Description
Haptic human-computer interaction is interaction between a human computer user and the computer user interface based on the powerful human sense of touch. Haptic hardware has been discussed and exploited for some time, particularly in the context of computer games. However, so far, little attention has been paid to the general principles of haptic HCI and the systematic use of haptic devices for improving efficiency, effectiveness, and satisfaction in HCI. This book is the first one to focus on haptic human-computer interaction. It is based on a workshop held in Glasgow, UK, in August / September 2000. The 22 revised full papers presented were carefully reviewed and selected from 35 submissions. Besides a brief historic survey, the book offers topical sections on haptic interfaces for blind people, collaborative haptics, psychological issues and measurement, and applications of haptics.
Author: Tom Gross
Publisher: Springer
ISBN: 3642036589
Category : Computers
Languages : en
Pages : 1036
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Book Description
INTERACT 2009 was the 12th of a series of INTERACT international c- ferences supported by the IFIP Technical Committee 13 on Human–Computer Interaction. This year,INTERACT washeld in Uppsala (Sweden), organizedby the Swedish Interdisciplinary Interest Group for Human–Computer Interaction (STIMDI) in cooperation with the Department of Information Technology at Uppsala University. Like its predecessors, INTERACT 2009 highlighted, both to the academic and to the industrial world, the importance of the human–computer interaction (HCI) area and its most recent breakthroughs on current applications. Both - perienced HCI researchers and professionals, as well as newcomers to the HCI ?eld, interested in designing or evaluating interactive software, developing new interaction technologies, or investigating overarching theories of HCI, found in INTERACT 2009 a great forum for communication with people of similar int- ests, to encourage collaboration and to learn. INTERACT 2009 had Research and Practice as its special theme. The r- son we selected this theme is that the research within the ?eld has drifted away from the practicalapplicability of its results and that the HCI practice has come to disregard the knowledge and development within the academic community.
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.
