Storming Media: Pentagon Reports and DocumentsPentagon Reports: Fast. Definitive. Complete.     
New Account »
Forgot Password?
Advanced Search »

Newsletter
Unsubscribe »
Reports by Keyword(s)TOUCH
Total Results: 236 Pages: Previous [1] 2 3 4 5 Next Results per page:
Sort by: Title Date Desc Pages Display:
Rotary-Wing Brownout Mitigation: Technologies and Training (Remedes contre le phenomene de brownout sur les appareils a voilure tournante: Technologies et entrainement) Jan 2012 182 pages
Authors:  NATO RESEARCH AND TECHNOLOGY ORGANIZATION NEUILLY-SUR-SEINE (FRANCE)
The full text of this report is available for sale.The RTO HFM-162 Rotary-Wing Brownout Mitigation Task Group was formed to examine the effects of Rotary-Wing Brownout (RWB) and whiteout on pilots during operations. Brownout is the condition developed by recirculating rotor downwash as a helicopter lands or takes off in an arid or a snowy (whiteout) environment. The dust, dirt, or snow that is developed by the downwash renders out-the-cockpit visibility severely degraded or non-existent. The resultant mishaps due ...


CSSC Fish Barrier Simulated Rescuer Touch Point Results, Operating Guidance, and Recommendations for Rescuer Safety Sep 2011 60 pages
Authors:  Michael Slater; Norbert Yankielun; John Parker; Marion J Lewandowski; COAST GUARD NEW LONDON CT RESEARCH AND DEVELOPMENT CENTER
The full text of this report is available for sale.The Chicago Sanitary and Ship Canal (CSSC) has electric dispersal barriers in operation to prevent the spread of aquatic nuisance species. The experiment was to better understand what would actually occur during a rescue in the electrified waters with three barriers energized. An additional purpose was to identify any methods, devices, or operating guidance to prevent potential harm to a rescuer. Voltage measurements under controlled conditions were taken during transits ...


The Perceived Urgency of Tactile Patterns JUN 2011 38 pages
Authors:  Timothy L. White; ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD HUMAN RESEARCH AND ENGINEERING DIRECTORATE
The full text of this report is available for sale.The purpose of this research was to examine the effects of stimulus intensity and inter-stimulus interval (ISI) on the perceived urgency and on the detection and identification of tactile patterns. A tactile system that includes an adjustable belt developed by Engineering Acoustics Inc. (EAI) was used to provide tactile stimuli. This adjustable belt, which consists of eight EAI C2 tactors positioned at 45-degree intervals, was worn around each participant?s waist. ...


A Predeployment Limited Technical Assessment of the iPod Touch to Aid the United States Marine Corps Aug-2009 33 pages
Authors:  Peter N Squire; NAVAL SURFACE WARFARE CENTER DAHLGREN DIV VA
The full text of this report is available for sale.This document describes the overall Marine Pod project and provides results of a Limited Technical Assessment (LTA). The LTA provided an initial iPod touch usability assessment and identified content and Concept of Operations for a followup Extended User Evaluation (EUE). The iPod touch will be provided to members of a deploying Marine Corps unit and assessed during the EUE.


Gestural Communication With Accelerometer-Based Input Devices and Tactile Displays Dec-2008 8 pages
Authors:  Paul D Varcholik; James L Merlo; UNIVERSITY OF CENTRAL FLORIDA ORLANDO INST FOR SIMULATION AND TRAINING
The full text of this report is available for sale.In this work, we introduce a communication system for common military hand and arm gestures which does not require a visual connection between the transmitter and receivers. Specifically, we present a computer mediated gesture recognition system that employs a wireless, accelerometer-based input device for collecting and classifying one- and two-hand and arm gestures. This system delivers message output through an audible channel and through a tactile display. The tactile display ...


The Effects of Imperfect Automation on Concurrent Performance of Gunner's and Robotics Operator's Tasks in a Simulated Mounted Environment MAY 2008 52 pages
Authors:  Jessie Y. Chen; Peter I. Terrence; ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD HUMAN RESEARCH AND ENGINEERING DIRECTORATE
The full text of this report is available for sale.In this study, we simulated a generic mounted environment and conducted an experiment to examine the performance and workload of the combined position of gunner and robotics operator. Aided target recognition (AiTR) (via tactile and visual cueing) with imperfect reliability (false alarm-prone versus miss-prone) was provided to the participants to aid their gunnery task. Besides the gunnery task, participants performed robotics and communication tasks concurrently. Results show that when the ...


Presence 01 JUL 2007
Authors:  Erik den Dekker; Nico Delleman; TNO HUMAN FACTORS SOESTERBERG (NETHERLANDS) THERMAL PHYSIOLOGY GROUP
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.If one wants to turn virtual reality (VR) technology into an effective tool, it is vital to obtain a basic understanding of the key elements for success. A concept that has received a lot of attention from VR researchers is presence. Presence may be loosely described as the feeling of being there in the virtual world instead of just experiencing stimuli from displays (for a clear description of the difference ...


Human-System Technology: Human-Robot Interaction to Address Critical Navy Needs of the Present and Future 31 OCT 2006 17 pages
Authors:  Robert J. Hansen; Jeffrey M. Bradshaw; Anil Raj; Clark Glymour; Jerry Pratt; FLORIDA INSTITUTE FOR HUMAN AND MACHINE COGNITION INC PENSACOLA FL
The full text of this report is available for sale.The Institute for Human and Machine Cognition (IHMC) is pleased to submit a report of progress on the project "Human Systems Technology" for the 2005 fiscal year. This fiscal year work began on May 1, 2005 and was completed on July 31, 2006. Also called Human-Centered Computing, this multidisciplinary field exploits advances in cognitive research together with those in computer science and related areas to optimize the cognitive, perceptual, and/or ...


Effects of Tactile, Visual, and Auditory Cues About Threat Location on Target Acquisition and Attention to Visual and Auditory Communications AUG 2006 54 pages
Authors:  Monica M. Glumm; Kathy L. Kehring; Timothy L. White; ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD
The full text of this report is available for sale.This study examined the effects of tactile, visual, and auditory (spatial language and three-dimensional [3-D] audio) cues about threat location on target acquisition and the recall of information presented in visual and auditory communications. On average, participants hit 98% of the targets presented when cued about the location of targets compared to 64% in a baseline condition (no cues). When target location cues were provided, time to first shot was ...


Comparison of Army Hand and Arm Signals to a Covert Tactile Communication System in a Dynamic Environment AUG 2006 46 pages
Authors:  Rodger A. Pettitt; Elizabeth S. Redden; Christian B. Carstens; ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD
The full text of this report is available for sale.This study was conducted jointly by the U.S. Army Research Laboratory and the University of Central Florida. The purpose of this experiment was to evaluate Soldiers abilities to interpret and respond to tactile commands compared to their abilities to interpret and respond to standard visual hand and arm signals given from leaders in front of and behind them during movement. The tactile belt, developed by UCF, consists of eight tactors ...


Orientation Behavior Using Registered Topographic Maps 2006 11 pages
Authors:  Cynthia Ferrell; MASSACHUSETTS INST OF TECH CAMBRIDGE ARTIFICIAL INTELLIGENCE LAB
The full text of this report is available for sale.The ability to orient toward visual auditory or tactile stimuli is an important skill for systems intended to interact with and explore their environment. In the brain of mammalian vertebrates the Superior Colliculus is specialized for integrating multi-modal sensory information and for using this information to orient the animal to the source sensory stimuli such as noisy, moving objects. Within the Superior Colliculus this ability appears to be implemented using ...


Tactile Land Navigation in Night Operations 20 DEC 2005
Authors:  M. Duistermaat; TNO DEFENCE SECURITY AND SAFETY SOESTERBERG (NETHERLANDS)
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.Soldiers who need to navigate using a visual display do not have their eyes and hands available for other tasks. This can be prevented by presenting navigation information on a tactile waist belt, which proved to be effective in a previous study. In the current study, soldiers' performance on navigation and target detection in night operations was compared for three different systems: the tactile navigation system (called the Personal Tactile ...


Effects of Visual, Auditory, and Tactile Alerts on Platoon Leader Performance and Decision Making DEC 2005 54 pages
Authors:  Andrea S. Krausman; Linda R. Elliott; Rodger A. Pettitt; ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD HUMAN RESEARCH AND ENGINEERING DIRECTORATE
The full text of this report is available for sale.The U.S. Army Future Combat System (FCS) proposes the use of advanced communications and technologies that will provide Soldiers with instant access to large amounts of information. Conveying information in a manner that enhances a Soldier's ability to manage the information and, in turn, increases his or her situational awareness is problematic, especially when one considers the high operational tempo, uncertainty, and stress of combat. Past research suggests that multi-sensory ...


Human-System Technology 10 NOV 2005 15 pages
Authors:  Robert J. Hansen; FLORIDA INSTITUTE FOR HUMAN AND MACHINECOGNITION INC PENSACOLA FL
The full text of this report is available for sale.The Institute for Human and Machine Cognition (IHMC) is pleased to submit a report of progress on the continuation project Human Systems Technology for the 2004 fiscal year. This fiscal year work actually began on April 1, 2004 and was completed on September 30, 2005. Also called Human-Centered Computing, this multidisciplinary field exploits advances in cognitive research together with those in computer science and related areas to optimize the cognitive, ...


Developmental Robots - A New Paradigm 28 SEP 2005 13 pages
Authors:  Juyang Weng; Yilu Zhang; MICHIGAN STATE UNIV EAST LANSING DEPT OF COMPUTER SCIENCE
The full text of this report is available for sale.It has been extremely challenging for humans to program a robot to such a degree that it acts properly in a typical unknown human environment. This is especially true for a humanoid robot due to the very large number of redundant degrees of freedom and large number of sensors that are required for a humanoid to work safely and effectively in a human environment. How can researchers address this fundamental ...


Tactile Cueing for Target Acquisition and Identification SEP 2005 29 pages
Authors:  Richard A. McKinley; Jennie Gallimore; Candace Lanning; Cathy Simmons; AIR FORCE RESEARCH LAB WRIGHT-PATTERSON AFB OH HUMAN EFFECTIVENESS DIRECTORATE
The full text of this report is available for sale.Objective: Modern aircraft place great emphasis on visually presenting information to the pilot. To reduce strain on the visual system, other modalities should be utilized. Preliminary research has shown that tactile displays may provide an effective means of communication; however, more research is needed in this area. To refine tactile displays, this study was designed to optimize resolution and methods of coding target information to the user. Methods: Nineteen subjects ...


Tactile Displays and Elastic Waves SEP 2005
Authors:  W. K. Vos; J. C. Isarin; A. P. Berkhoff; TNO DEFENCE SECURITY AND SAFETY SOESTERBERG (NETHERLANDS)
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.When tactors of a tactile display are mounted in a tactor carrier, e.g. a vest or a chair, vibrations will spread out through the skin and the carrier. Vibrations should be local to ensure good detection; spreading through the skin or the environment has to be minimized. A literature study has been done to obtain the following design criteria: Tactors should oscillate parallel to the skin at a frequency of ...


Selection of Aptamers for CED-9/Bcl-2 Family Cell Death Regulations and Their Application in Study of Apoptosis Regulation and Drug Design for Breast Cancer JUL 2005 41 pages
Authors:  Ding Xue; Chonglin Yang; Nathan Camp; COLORADO UNIV AT BOULDER
The full text of this report is available for sale.Apoptosis has been found to be conserved from C. elegans to humans, suggesting that novel means developed in C. elegans to modulate apoptosis may also be applied to humans for therapeutic treatments of diseases caused by abnormal apoptosis (e.g. cancer, autoimmune diseases, neurodegenerative diseases, etc). In this study, we employed the technique of SELEX to identify small RNA aptamers with high binding specificity and affinity for key cell death regulators, ...


Nanodevice for Imaging Normal Stress Distribution With Application in Sensing Texture and Feel' by Touching DEC 2004 9 pages
Authors:  Ravi F. Saraf; Vivek Maheshwari; NEBRASKA UNIV LINCOLN
The full text of this report is available for sale.Touch is one of the five senses designed by nature for survival. 'Touch' may (partially) be characterized as a sensory operation for measuring texture and softness of an object by mechanical contact. We propose to design, fabricate, study and develop, a novel touch sensor made from nanoparticles with broad range of other applications such as, ultrasound medical imaging/ diagnostics, smart materials, and non-destructive diagnostics of large structures. The nanodevice is ...


A Dexterity and Tactility Evaluation of the Australian Nuclear Biological Chemical (NBC) Glove AUG 2004
Authors:  S. Scanlan; W. Roberts; R. McCallum; D. Robinson; DEFENCE SCIENCE AND TECHNOLOGY ORGANISATION VICTORIA (AUSTRALIA) PLATFORM SCIENCES LAB
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.This report details the tactility and dexterity of four different glove types, including the Australian in-service NBC butyl rubber glove and Nomex flying glove for standardized (Purdue pegboard) and operational (weapon assembly/disassembly) tasks. The Nomex flying glove was included for comparative purposes despite offering no NBC protection . Two commercially available chemically protective gloves (the Canadian NBC butyl rubber glove, Ansell TNT nitrile glove) were also assessed. Twenty-four healthy male ...


Figure/Ground Segregation from Human Cues 2004 7 pages
Authors:  Artur M. Arsenio; MASSACHUSETTS INST OF TECH CAMBRIDGE COMPUTER SCIENCE AND ARTIFICIAL INTELLIGENCE LAB
The full text of this report is available for sale.This paper presents a new embodied approach for segmentation by a humanoid robot. It relies on interactions with a human teacher that drives the robot through the process of segmenting objects from arbitrarily complex, nonstatic images. By exploiting movements with a strong periodic or discontinuity content, the robot's visual system segments a wide variety of objects from images, with varying conditions of luminosity and a different number of moving artifacts ...


A Software Control Framework for Learning Coordinated, Multi-Robot Strategies in Open Environments 22 OCT 2003 11 pages
Authors:  Roderic Grupen; MASSACHUSETTS UNIV AMHERST DEPT OF COMPUTER SCIENCE
The full text of this report is available for sale.The UMass MARS team contributed technology and infrastructure for the control of adaptive sensory and motor processes. We developed a suite of techniques for capturing interesting process dynamics in specific run-time contexts in order to learn control decisions. Particular attention was paid to the ability of teams of robots to adapt dynamically to changes in environment and mission requirements. The UMass effort marries high-level process descriptions, discrete event analysis and ...


Alternative Audio Solution to Enhance Immersion in Deployable Synthetic Environments SEP 2003 191 pages
Authors:  Michael C. Mosbruger; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.The purpose behind this thesis was to examine the effect of vibro- tactile feedback on a user 5 degree of immersion in a synthetic environment. Sub-woofers usually provide the vibro-tactile feedback in surround sound systems. The alternate method explored in this thesis utilized a "seat shaker" to generate the appropriate tactile feedback in the environment. The solution theoretically enables the user to receive a compelling, multi-modal presentation of the environment ...


CONRO: Self-Reconfigurable Robots SEP 2003 86 pages
Authors:  Peter Will; Wei-Min Shen; UNIVERSITY OF SOUTHERN CALIFORNIA MARINA DEL REY INFORMATION SCIENCES INST
The full text of this report is available for sale.The goal of the CONRO Project was to develop a miniature reconfigurable robot that can be tasked to perform reconnaissance and search and identification tasks in urban, seashore and other field environments. CONRO was made from small and identical modules that can be programmed to alter their topological connections and form different configurations in order to respond to environmental challenges such as obstacles and unexpected situations. A total of 20 ...


Reduction of Mutual Coupling in Small Dipole Array Antennas MAR 2003
Authors:  Chua E. Hock; NAVAL POSTGRADUATE SCHOOL MONTEREY CA DEPT OF INFORMATIONAL SCIENCES
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.The mutual coupling in phased array is a well-known phenomenon. It affects the active element pattern of the array as the phase of the individual element is altered. In an array that has many elements, the effect is identical for all the elements that are nearer to the center of the antenna, thus allowing a more predictable scan performance with respect to the phase of the elements. However, in a ...


Perception and Perspective in Robotics 2003 6 pages
Authors:  Paul Fitzpatrick; MASSACHUSETTS INST OF TECH CAMBRIDGE ARTIFICIAL INTELLIGENCE LAB
The full text of this report is available for sale.To a robot, the world is a sea of ambiguity, in which it will sink or swim depending on the robustness of its perceptual abilities. But robust machine perception has proven difficult to achieve. This paper argues that robots must be given not just particular perceptual competencies, but the tools to forge those competencies out of raw physical experiences. Three important tools for extending a robot's perceptual abilities whose importance ...


Open Object Recognition for Humanoid Robots 2003 2 pages
Authors:  Paul Fitzpatrick; MASSACHUSETTS INST OF TECH CAMBRIDGE ARTIFICIAL INTELLIGENCE LAB
The full text of this report is available for sale.Robots must be able to adapt gracefully to frequent and dramatic changes in their workspace if they are to operate successfully in human-centered environments, as opposed to controlled industrial settings. At the MIT Humanoid Robotics Group, investigators are developing methods that permit their robots to deduce the structure of novel activities, adopt the vocabulary appropriate for communication about the task at hand, and learn about the appearance and behavior of ...


The Role of Haptics in Service Manual Task Validation FEB 2002 73 pages
Authors:  Norman Badler; Aaron Bloomfield; Patrick J. Vincent; Kevin Abshire; Jeffrey L. Wampler; PENNSYLVANIA UNIV PHILADELPHIA
The full text of this report is available for sale.The primary objective of this research was to explore the role and feasibility of using haptics simulation for validating aircraft Service Maintenance Manual instructions. A task taxonomy was developed to facilitate understanding specific haptic simulation benefits, experiment designs, errors, and limitations. Alternative simulation approaches were investigated that might be used in combination with, substitution for, or augmentation of haptics to provide more realistic haptic action simulations. in general, haptic feedback ...


Monocameral Visual Recognition of Marcus Hand Postures for Personal Robotic Assistants 25 OCT 2001
Authors:  M. Gonzalo-Tasis; C. Laschi; J. Finat; P. Dario; VALLADOLID UNIV (SPAIN) DEPT OF COMPUTER SCIENCE
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.The postures recognition is the first step for the gestures tracking of an artificial or a natural hand. In this article, we show a visuo-motor tracking of mobile hand configurations, which is based on symbolic representations able of supporting the biomechanical and perceptual information relative to evolving postures. After recognition, we have a virtual skeleton to identify simulated artificial hands. Such postures identification is adapted to an artificial Marcus hand ...


Tactile Mapping of Breast Palpation for Diagnosis, Documentation, and Training SEP 2001 30 pages
Authors:  Rujirutana A. Srikanchana; CATHOLIC UNIV OF AMERICA WASHINGTON DC
The full text of this report is available for sale.Breast palpation by clinicians is an effective examination frequently performed for breast cancer detection and treatment monitoring. The utilization of physical breast examination however has been hampered by its inherent subjective nature leading to: (1) the difficulty in interpreting the examiner's impressions of the perceived lump in the breast. and (2) the difficulty in documenting tactile characteristics of the tumor for subsequent examinations or monitoring. Based on the preliminary studies ...


Tactile Displays in Virtual Environments 01 MAR 2001
Authors:  Jan B. VAN Erp; HUMAN FACTORS RESEARCH INST TNO SOESTERBERG (NETHERLANDS)
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.Virtual Reality (VR) technology allows the user to perceive and experience sensory contact with a non- physical world A complete Virtual Environment (VE) will provide this contact in all sensory modalities. However even state-off-the-art VEs are often restricted to the visual modality only. The use of the tactile modality might not only result in an increased immersion but may also enhance performance An example that will be discussed in this ...


Effects of Intermittent Stimuli on Marksmanship and Vigilance During Simulated Sentry Duty MAR 2001 27 pages
Authors:  Sharon A. McBride; Richard F. Johnson; Donna J. Merullo; Ronald E. Bartow Jr; ARMY RESEARCH INST OF ENVIRONMENTAL MEDICINE NATICK MA MILITARY PERFORMANCEDIV
The full text of this report is available for sale.The purpose of the present study was to determine if the administration of low-level sensory stimuli (odor or vibration) enhances a soldier's speed and ability to detect targets, discriminate friend from foe and accurately shoot at enemy targets during 3 hours of simulated sentry duty. Conditions whereby either the sentry or the experimenter controlled the delivery of the sensory stimuli were evaluated. The odor or vibration was administered intermittently according ...


Design of a Low Power Embedded Microprocessor for a Hands-Eyes-Ears-FreePersonal Navigation and Communications System JUN 2000 132 pages
Authors:  Peter H. Haase; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.This thesis details the engineering design of a personal, computer- based system. which is intended to support a hands-eyes-ears-free Personal Navigational and Communication System (PNCS). This computer-based system is designed to be used with COTS devices, such as, (1) a GPS receiver, (2) a laptop or desktop computer, (3) a rechargeable, long-life battery pack, and (4) a wearable tactile communications vest. The vest is currently under ...


Miniaturization of a Microcontroller for the Tactile Situational Awareness System JUN 1999 206 pages
Authors:  Terrence L. Wood; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.Loss of Situational Awareness (SA) is a leading cause of pilot related mishaps, resulting in numerous fatalities and costing the Department of Defense an estimated $300 million annually in destroyed aircraft. Loss of SA can occur when a pilot incorrectly perceives the attitude, altitude, or motion of their aircraft. As one solution to the SA problem, the Naval Aerospace Medical Research Laboratory has developed the Tactile Situational Awareness System (TSAS). ...


Hand Force Reflection Using Pneumatic Muscle Actuators 23 MAR 1999 50 pages
Authors:  C. Favede; D. G. Caldwell; SALFORD UNIV MANCHESTER (UNITED KINGDOM) CENTRE FOR VIRTUAL ENVIRONMENTS
The full text of this report is available for sale.The aim of this project has been the development of a light weight, user friendly hand force reflection device using pneumatic Muscle Actuators (pMAs) as the primary drive source. The project was divided into four parts. During the first period of this project a detailed study of the key motions of the human hand and the background technology was undertaken in order to determine the requirements of the system. As ...


Hand Force Reflection Using Pneumatic Muscle Actuators (CD-ROM) 23 MAR 1999
Authors:  C. Favede; D. G. Caldwell; SALFORD UNIV (UNITED KINGDOM) DEPT OF ELECTRICAL ENGINEERING
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.ELECTRONIC FILE CHARACTERISTICS: 11 files; Adobe Acrobat (.PDF), C++ (.CPP), Haines Neutral File Format (.NFF) and Autodesk 3D (.3DS). PHYSICAL DESCRIPTION: 1 CD-ROM; 4 3/4 in.; 7.49 MB. SYSTEMS DETAIL NOTE: AutoCAD or other 3D software is required to view certain files. ABSTRACT: This report describes the development of a light weight, user friendly hand force reflection device using pneumatic muscle actuators (pMAs) as the primary drive source. The prototype ...


Design of a Serial Communication Protocol and Bus Interface Chip for tactile Communications MAR 1999 316 pages
Authors:  Jeffrey P. Link; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.Tactile communication requires rapid data transfer along a common bus. The developed communication protocol and application-specific interface chip enable precise control of multiple tactile transmitters (tactors) to convey information to military users. This extrapolation of the Tactile Situation Awareness System developed by the Naval Aerospace Medical Research Laboratory uses a serial data bus and individual interface chips to communicate commands with a minimum number of conductors. This thesis develops the ...


Intelligent Sensor-Based Manipulation with Robotic Hands 14 DEC 1998 9 pages
Authors:  Peter Allen; COLUMBIA UNIV NEW YORK DEPT OF COMPUTER SCIENCE
The full text of this report is available for sale.Our hand research has focused on enhancing the dexterity of robotic hands and understanding the nature of dexterous manipulation. The premise of the research is that incorporating task level understanding into a manipulation system simplifies robot planning and increases autonomy. The study of task level strategies for dexterous manipulation has led to development of several novel techniques for controlling the fingertip forces during manipulation and fingertip motion planning. The insights ...


Two-Handed, Whole-Hand Interaction SEP 1998 96 pages
Authors:  William R. Cockayne; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.This thesis investigates the application of Human Ability Requirements (HARs) to problem of two handed, whole handed interaction. The methodology is derived from the use of HARs in the world of human performance evaluation. This research is based on the need to understand how humans perform tasks in order to guide the understanding of the requirements of advanced interface technology development. The thesis presents the ...


Organizational Culture and Leadership Practices in the 75th Ranger Regiment 05 JUN 1998 127 pages
Authors:  James H. Johnson III; ARMY COMMAND AND GENERAL STAFF COLL FORT LEAVENWORTH KS
The full text of this report is available for sale.This study examines what effect unit culture has on leadership practices in the 75th Ranger Regiment. The study investigates how the unit culture of the 75th Ranger Regiment developed; and through a survey questionnaire administered to selected leaders in the 75th Ranger Regiment, it explores prevailing views on the effect unit culture has on leadership practices. This study reveals that, first, executive leaders are ...


Experimental Developmentation of the Viscoelastic Properties of the Human Fingerpad JUN 1998 96 pages
Authors:  Amanda S. Birch; AIR FORCE INST OF TECH WRIGHT-PATTERSONAFB OH
The full text of this report is available for sale.Understanding the human tactile system is the motivation for this research. The linear viscoelastic mechanical properties of the human fingerpad describe the stress-strain relationship within the fingerpad for any stimulus geometry and any time history of applied forces or displacements. The stress- strain relationships within the fingerpad tissue govern the stimuli to the mechanoreceptors which are the source of all tactile information to the brain. A device referred to as ...


Identification and Control of Haptic Systems: A Computational Theory JAN 1998 167 pages
Authors:  Steingrimur P. Karason; Anurudha M. Annaswamy; Mandayam A. Srinivasan; MASSACHUSETTS INST OF TECH CAMBRIDGE RESEARCH LAB OF ELECTRONICS
The full text of this report is available for sale.This thesis provides a theoretical framework for haptics, the study of exploration and manipulation using hands. Be it human or robotic research, an understanding of the nature of contact, grasp, exploration, and manipulation is of singular importance. In human haptics the objective is to understand the mechanics of hand actions, sensory information processing, and motor control. While robots have lagged behind their human counterparts in dexterity, recent developments in tactile ...


Psychomotor and Perceptual Abilities and Skilled Performance DEC 1997 9 pages
Authors:  Phillip L. Ackerman; MINNESOTA UNIV MINNEAPOLIS DEPT OF PSYCHOLOGY
The full text of this report is available for sale.The research in this project is aimed at three broad approaches to development and assessment of psychomotor and perceptual speed ability predictors of skilled performance: The first approach takes advantage of computerized touch panel device for assessment of a series of psychomotor abilities. The second approach links individual differences in psychomotor abilities with perceptual speed abilities, which have been shown to be important predictors of the acquisition of skilled performance. ...


Equipment, Personnel, Facilities and Supplies to Conduct Studies on the Research Project Entitled "Look and Feel: Haptic Interaction for Biomedicine" OCT 1997 261 pages
Authors:  J. K. Salisbury Jr.; MASSACHUSETTS INST OF TECH CAMBRIDGE ARTIFICIAL INTELLIGENCE LAB
The full text of this report is available for sale.This project focuses on the development and demonstration of fundamental technologies for advanced virtual interaction for surgical simulation and for teleoperation systems used to per for remote surgical procedures. The emphasis at MIT during the past year has been to develop advanced haptic interface technologies, and the development of hardware and software needed to enable enhanced surgical teleoperation. This effort has culminated in the development of the Silver Falcon and ...


Gait and Foot Trajectory Planning for Versatile Motions of a Six Legged Robot 01 OCT 96 42 pages
Authors:  Kan Yoneda; Kenji Suzuki; Yutaka Kanayama; Hidetoshi Takahashi; Junichi Akizono; NAVAL POSTGRADUATE SCHOOL MONTEREY CA DEPT OF COMPUTER SCIENCE
The full text of this report is available for sale.This paper deals with the problem of planning and controlling a radially symmetric six legged walker on an uneven terrain when a smooth time varying body motion is required. The main difficulties lie on the planning of gaits and foot trajectories. As for the gaits, this paper discusses the forward wave gait of a variable duty factor and a variable wave direction. With the commanded body motion, the maximum possible ...


Focus of Attention in Video Conferencing JUN 96 29 pages
Authors:  Jie Yang; Leejay Wu; Alex Waibel; CARNEGIE-MELLON UNIV PITTSBURGH PA SCHOOL OF COMPUTER SCIENCE
The full text of this report is available for sale.In this report we present an approach to low bitrate video teleconferencing by focusing attention on important information. We show that by selectively degrading the quality of less important regions, more important regions can be sent without loss of quality but with greatly reduced bandwidth requirements. Low bitrate transmission for real-time video delivery over a dynamic network is achieved by region blurring and cropping. A prototype system has been developed ...


Configuration Management and Automatic Identification Technology 16 APR 96 16 pages
Authors:  David E. Hilton; EAGLE SYSTEMS INC CALIFORNIA MD
The full text of this report is available for sale.Declining budgets and rapidly evolving technology place a high degree of stress on Naval aviation logistics support systems. Information dependent, these programs rely heavily on labor intensive processes to collect data, convert it to electronic format and transmit to the appropriate data base. Unfortunately, inadvertent errors continue to plague the Program Manager, Configuration Manager, Logistician, Fleet Operator and Maintainer. Likewise, accidental loss of important repair and operating history (Scheduled Removal ...


Evaluation for Vibrotactile Systems in Helicopter Hover and EVA environments 18 DEC 95 5 pages
Authors:  Dava J. Newman; MASSACHUSETTS INST OF TECH CAMBRIDGE DEPT OF AERONAUTICS AND ASTRONAUTICS
The full text of this report is available for sale.The vibrotactile (VT) advanced technology demonstration (ATD) introduces a novel human-machine interface, namely, haptic stimulation through a VT suit to improve military personnel performance. The complete vibrotactile (VT) suit system will include three main components: a sensor package to acquire motion and orientation information, a control computer that will condition and convert the sensor information into output drive signals, and the VT suit for the test pilots. Design solutions for ...


Look and Feel: Haptic Interaction for Biomedicine OCT 95 24 pages
Authors:  Marc Raibert; BOSTON DYNAMICS INC CAMBRIDGE MA
The full text of this report is available for sale.Interaction through touch and manipulation is known as haptic interaction. We are working to develop advanced haptic technology that allows human users to touch, feel, grasp, and manipulate a set of special objects: objects located remotely, objects too small, too large, or too dangerous for normal human interaction, or objects that exist only in simulated worlds (virtual objects). We have built a baseline haptic system that includes a light, high ...


Advanced Development of New Actuators for Human Sensory Feedback OCT 95 291 pages
Authors:  Owen D. Brimhall; Jeffrey Brown; Allen P. Hilton; Kristofer J. James; H. R. Curtin; TECHNICAL RESEARCH ASSOCIATES INC SALT LAKE CITY UT
The full text of this report is available for sale.The objective of this SBIR Phase II project was to develop a small magnetostrictive actuator using Terfenol-D. The device was configured to be applicable to dexterous force feedback. Several device configurations were studied. The final Terfenol-D actuator was configured as an inchworm motor. The device can be adjusted to be fully back-drivable. The motor is small (approx. 3cc), light weight (16 grams), and provides forces (10N max) and velocities (14. ...


Total Results: 236 Pages: Previous [1] 2 3 4 5 Next Results per page: