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| Author | : Taylor S. Hodgdon |
| Publisher | : |
| Total Pages | : 35 |
| Release | : 2021 |
| Genre | : Automated vehicles |
| ISBN | : |
| Author | : Jack K. Stoll |
| Publisher | : |
| Total Pages | : 218 |
| Release | : 1970 |
| Genre | : All terrain vehicles |
| ISBN | : |
The U.S. Army Engineer Waterways Experiment Station analytical model for predicting off-road ground mobility was used to evaluate the performance of six wheeled vehicles (M656, M54A2, M520, M37B1, M561, and M706) and four tracked vehicles (M548, M113A1, M116, and M571) over a selected traverse in Thailand. Maps were prepared to exhibit the terrain in terms of surface composition (soil consistency), surface geometry (slopes, rice-field dikes, etc.), vegetation, and hydrologic geometry (rivers and streams). The performance of each vehicle was evaluated in terms of average speed over the traverse and the center line, average fuel consumed over the traverse, and center-line cargo delivery rate. The vehicles were run over the traverse under dry-season conditions (60 or 40 rating cone index) and wet-season conditions (60 or 35 rating cone index). Four of the vehicles (M656, M54A2, M520, and M548) were tested also under wet-season conditions of 60 or 40 rating cone index. Wet-season conditions usually reduced vehicle performance. No one vehicle provided optimum mobility for all the terrain conditions encountered on the traverse over which predictions were made. Further, neither wheels nor tracks appeared to consistently give better performance. A recommendation was made that the mission environment for any new vehicle be defined in quantitative terms before the new vehicle is developed.
| Author | : J. K. Mandal |
| Publisher | : Springer |
| Total Pages | : 818 |
| Release | : 2018-03-29 |
| Genre | : Technology & Engineering |
| ISBN | : 9811068909 |
The volume contains latest research work presented at International Conference on Computing and Communication Systems (I3CS 2016) held at North Eastern Hill University (NEHU), Shillong, India. The book presents original research results, new ideas and practical development experiences which concentrate on both theory and practices. It includes papers from all areas of information technology, computer science, electronics and communication engineering written by researchers, scientists, engineers and scholar students and experts from India and abroad.
| Author | : Waterways Experiment Station (U.S.) |
| Publisher | : |
| Total Pages | : 102 |
| Release | : 1978 |
| Genre | : Engineering experiment stations |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 11 |
| Release | : 1992 |
| Genre | : |
| ISBN | : |
Using digital elevation model data, landforms are classified into two broad, generic terrain features -- mounts and non-mounts. Mount represents an aggregation of elevated features including hills, mountains and ranges. All remaining features are classified collectively as non-mount. The results of this work suggest that it may be possible to acceptably replicate the manual classification of certain generic terrain features. However, the general utility of the mount/non-mount classification appears to be limited by the classification algorithms, the nature of the regional terrain and the quality of available digital data. Possible applications for generic terrain feature information, such as mounts and non-mounts, are presented.
| Author | : National Research Council |
| Publisher | : National Academies Press |
| Total Pages | : 180 |
| Release | : 2003-02-01 |
| Genre | : Technology & Engineering |
| ISBN | : 0309086205 |
Unmanned ground vehicles (UGV) are expected to play a key role in the Army's Objective Force structure. These UGVs would be used for weapons platforms, logistics carriers, and reconnaissance, surveillance, and target acquisition among other things. To examine aspects of the Army's UGV program, assess technology readiness, and identify key issues in implementing UGV systems, among other questions, the Deputy Assistant Secretary of the Army for Research and Technology asked the National Research Council (NRC) to conduct a study of UGV technologies. This report discusses UGV operational requirements, current development efforts, and technology integration and roadmaps to the future. Key recommendations are presented addressing technical content, time lines, and milestones for the UGV efforts.
| Author | : |
| Publisher | : |
| Total Pages | : 56 |
| Release | : 2007 |
| Genre | : |
| ISBN | : |
With small mobile vehicles, even robots, becoming increasingly important for military operations, Cold Regions Research and Engineering Laboratory (CRREL) researchers set out to instrument an all-terrain vehicle (ATV) with mobility sensors to obtain and understand small-vehicle mobility data in all seasons. Extensive mobility research has already been performed at CRREL on the CRREL Instrumented Vehicle (CIV), which collects mobility data with large and expensive vehicle performance sensors. However, a small vehicle such as an ATV is not suited to carry large data collection instruments. In an effort to overcome cost and size limitations while maintaining functionality, an ATV was instrumented with lowcost sensors to collect mobility data comparable to the CIV. At the U.S. Army's Ethan Allen Firing Range, ATV mobility performance tests, such as coast down and drawbar tests, were performed alongside the CIV for comparison, while cross range test runs were performed to demonstrate the system's capabilities. This paper presents one option for researchers looking to instrument a small-vehicle with mobility performance sensors, describes the testing methodology and results, and offers a comparison to the CIV. Low-cost, portable vehicle mobility instrumentation systems would allow for accurate vehicle simulations and mobility awareness that can be used in situ by the warfighter and lead to further applications of all-terrain vehicles in force protection and border patrol scenarios.
| Author | : Markus Maurer |
| Publisher | : Springer |
| Total Pages | : 698 |
| Release | : 2016-05-21 |
| Genre | : Technology & Engineering |
| ISBN | : 3662488477 |
This book takes a look at fully automated, autonomous vehicles and discusses many open questions: How can autonomous vehicles be integrated into the current transportation system with diverse users and human drivers? Where do automated vehicles fall under current legal frameworks? What risks are associated with automation and how will society respond to these risks? How will the marketplace react to automated vehicles and what changes may be necessary for companies? Experts from Germany and the United States define key societal, engineering, and mobility issues related to the automation of vehicles. They discuss the decisions programmers of automated vehicles must make to enable vehicles to perceive their environment, interact with other road users, and choose actions that may have ethical consequences. The authors further identify expectations and concerns that will form the basis for individual and societal acceptance of autonomous driving. While the safety benefits of such vehicles are tremendous, the authors demonstrate that these benefits will only be achieved if vehicles have an appropriate safety concept at the heart of their design. Realizing the potential of automated vehicles to reorganize traffic and transform mobility of people and goods requires similar care in the design of vehicles and networks. By covering all of these topics, the book aims to provide a current, comprehensive, and scientifically sound treatment of the emerging field of “autonomous driving".
| Author | : |
| Publisher | : |
| Total Pages | : 466 |
| Release | : 2001 |
| Genre | : Robots |
| ISBN | : |
| Author | : Charles Elachi |
| Publisher | : John Wiley & Sons |
| Total Pages | : 572 |
| Release | : 2006-05-11 |
| Genre | : Technology & Engineering |
| ISBN | : 0471783382 |
The science and engineering of remote sensing--theory and applications The Second Edition of this authoritative book offers readers the essential science and engineering foundation needed to understand remote sensing and apply it in real-world situations. Thoroughly updated to reflect the tremendous technological leaps made since the publication of the first edition, this book covers the gamut of knowledge and skills needed to work in this dynamic field, including: * Physics involved in wave-matter interaction, the building blocks for interpreting data * Techniques used to collect data * Remote sensing applications The authors have carefully structured and organized the book to introduce readers to the basics, and then move on to more advanced applications. Following an introduction, Chapter 2 sets forth the basic properties of electromagnetic waves and their interactions with matter. Chapters 3 through 7 cover the use of remote sensing in solid surface studies, including oceans. Each chapter covers one major part of the electromagnetic spectrum (e.g., visible/near infrared, thermal infrared, passive microwave, and active microwave). Chapters 8 through 12 then cover remote sensing in the study of atmospheres and ionospheres. Each chapter first presents the basic interaction mechanism, followed by techniques to acquire, measure, and study the information, or waves, emanating from the medium under investigation. In most cases, a specific advanced sensor is used for illustration. The book is generously illustrated with fifty percent new figures. Numerous illustrations are reproduced in a separate section of color plates. Examples of data acquired from spaceborne sensors are included throughout. Finally, a set of exercises, along with a solutions manual, is provided. This book is based on an upper-level undergraduate and first-year graduate course taught by the authors at the California Institute of Technology. Because of the multidisciplinary nature of the field and its applications, it is appropriate for students in electrical engineering, applied physics, geology, planetary science, astronomy, and aeronautics. It is also recommended for any engineer or scientist interested in working in this exciting field.
