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Helmet-Mounted Displays Books

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In 1999, the U.S. Army Aeromedical Research Laboratory (USAARL), Fort Rucker, Alabama, published a book that addresses issues for the design of helmet-mounted displays (HMDs) for use in helicopters, Helmet-Mounted Displays: Design Issues for Rotary-Wing Aircraft (USAARL, 1999). While primarily an engineering overview of image sources, image quality, optical design approaches, communication systems, hearing protection, and helmet head-supported mass and center-of-mass, the book also addresses such human factors issues as visual and auditory performance, head and face anthropometry, and hearing and vision protection.

In the years since the 1999 book was conceived, HMD applications have greatly expanded, not only within the military but also within the manufacturing and simulation training communities. Significant progress has been made in the development of image source technologies, especially miniature displays. This continuing image source development, coupled with advances in power source engineering - smaller size and greater efficiency, has greatly expanded the number of HMD applications. Within the U.S. Army, HMDs are being designed for use by dismounted and mounted Warfighters as well as for aviators.

As advanced technology penetrates the battlespace, the modern Warfighter is being provided with an ever-increasing stream of information. The motivation of this growing flow of information is the Army's objective to See First, Understand First, Act First, & Finish Decisively. Whether it is a field commander or a lower echelon soldier, every Warfighter will have greater access to both tactical and strategic data and imagery. The vast majority of this information will be presented to the Warfighter in visual and auditory forms via HMDs. For this reason, the design and implementation of HMDs must be optimized to ensure optimal user performance, both visual and auditory.

Paramount in achieving this optimization is attaining a thorough understanding of the relationship between HMDs and the human concepts of perception and cognition. An excellent beginning to acquiring this understanding can be found in Tactical Display for Soldiers-Human Factors Considerations (National Academy Press, 1997). Presenting the results of the Panel on Human Factors in the Design of Tactical Displays for the Individual Soldier (established by the National Research Council at the request of the U.S. Army Natick Research, Development, and Engineering Center, Natick, Massachusetts), this book discusses critical human factors issues associated with the development of the Army's proposed Land Warrior System, an individual Warfighter monocular HMD. The overall goal of the panel was to identify critical characteristics of HMDs and the capabilities and limitations of the target user (i.e., the Warfighter). One major finding of the panel was the presence of a lack of understanding of the impact of advanced HMD visual and auditory presentations on Warfighter workload, situational awareness and overall performance. This finding is well-known within the HMD community of researchers and often has been expressed as an important issue.

The work presented here is the second in a series of HMD books. Where the first book focused on engineering design issues, this book focuses on filling the National Research Councils identified gap in understanding the relationship between the HMD hardware design and user perception and cognition of the visual and auditory displays.

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Helmet Mounted Displays- Sensation, Perception and Cognitive Issues
Section 1 - Front Matter & Contributors (513KB) Adobe PDF
Section 2 - Table of Contents (510KB) Adobe PDF
Section 3 - Foreword (465KB) Adobe PDF
Section 4 - Preface (shown above) (535KB) Adobe PDF

Part I
Section 5 - Title & Part 1
(467KB) Adobe PDF
Section 6 - Chapter I/ The Military Operational Environment (2.05MB) Adobe PDF
Section 7 - Chapter II/ Human Machine Interface Challenge (2.26MB) Adobe PDF

Part II
Section 8 - Part Two
(441KB) Adobe PDF
Section 9 - Chapter III/ Introduction to Helmet-Mounted Displays (5.74MB) Adobe PDF
Section 10 - Chapter IV/ Visual Helmet Mounted Displays (8.49MB) Adobe PDF
Section 11 - Chapter V/ Audio Helmet Mounted Displays (7.29MB) Adobe PDF

Part III
Section 12 - Part Three (441KB) Adobe PDF
Section 13 - Chapter VI/ Anatomy and Structure of the Eye (1.5MB) Adobe PDF
Section 14 - Chapter VII/ Visual Function (1.58MB) Adobe PDF
Section 15 - Chapter VIII/ Ear Anatomy (1.65MB) Adobe PDF
Section 16 - Chapter IX/ Auditory Function (1.04MB) Adobe PDF

Part IV
Section 17 - Part Four (441KB) Adobe PDF
Section 18 - Chapter X/ Visual Perception and Cognitive Performance (3.80MB) Adobe PDF
Section 19 - Chapter XI/ Auditory Perception and Cognitive Performance (3.37MB) Adobe PDF
Section 20 - Chapter XII/ Visual Perceptual Conflicts and Illusions (8.08MB) Adobe PDF
Section 21 - Chapter XIII/ Auditory Conflicts and Illusions (1.60MB) Adobe PDF
Section 22 - Chapter XIV/ Auditory-Visual Interactions (687KB) Adobe PDF
Section 23 - Chapter XV/ Cognitive Factors (4.36MB) Adobe PDF
Section 24 - Chapter XVI/ Perceptual and Cognitive Effects Due to Operational Factors (2.94MB) Adobe PDF

Part V
Section 25 - Part Five (442KB) Adobe PDF
Section 26 - Chapter XVII/ Guidelines for HMD Design (1.61MB) Adobe PDF
Section 27 - Chapter XVIII/ Exploring the Tactile Modality for HMDs (2.61MB) Adobe PDF
Section 28 - Chapter XIX/ The Potential of Interactive HMD (1.29MB) Adobe PDF

Closing Sections
Section 29 - Abbreviations (515KB) Adobe PDF
Section 30 - Glossary (704KB) Adobe PDF
Section 31 - Index (545KB) Adobe PDF

The views, opinions, and/or findings contained within the above sections/chapters and the "Helmet Mounted Displays- Sensation, Perception and Cognitive Issues" book as a whole are those of the authors and should not be construed as an official Department of the Army position, policy, or decision unless so designated by other official documentation.

Last Updated 09/06/2013

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