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Author: Fengxiang Qiao Publisher: ISBN: Category : Electronic traffic controls Languages : en Pages : 48
Book Description
The placement of guide signs and the display of dynamic massage signs greatly affect drivers' understanding of the network and therefore their route choices. Most existing dynamic traffic assignment models assume that drivers heading to a Major Traffic Generator (MTG) have sufficient knowledge of roadway networks. In this report, the concept of recognition level is defined to categorize drivers based on their unfamiliarity of the network and of the alternative routes between origins and destinations. Each catalog is assigned a specific utility function that is dependent on travel time, length of route and recognition parameters. Drivers' route choice behavior is determined by these specific utility functions. A sample network is first employed to test the feasibility of the proposed model, and the result complies with the specified travel patterns. After that, a real network near Downtown Houston is used to further test the proposed model. An experiment is conducted based on the information collected from an on-site survey and the on-line real-time traffic map from Houston TranStar. In order to validate the necessity of the proposed model, a control experiment is carried out with all parameters being set in the same way as the designed experiment except that drivers are assumed to be fully familiar with the network layout and alternative routes. Test results show that the proposed model can fit the real case very well. The developed algorithm and the assessment procedure results are not only awfully imperative in trailblazing guide signing for MTGs, but also indispensable in both the modern Route Guidance System (RGS) and the Advanced Traveler Information System (ATIS), which are important components of the Intelligent Transportation System (ITS).
Author: Fengxiang Qiao Publisher: ISBN: Category : Electronic traffic controls Languages : en Pages : 48
Book Description
The placement of guide signs and the display of dynamic massage signs greatly affect drivers' understanding of the network and therefore their route choices. Most existing dynamic traffic assignment models assume that drivers heading to a Major Traffic Generator (MTG) have sufficient knowledge of roadway networks. In this report, the concept of recognition level is defined to categorize drivers based on their unfamiliarity of the network and of the alternative routes between origins and destinations. Each catalog is assigned a specific utility function that is dependent on travel time, length of route and recognition parameters. Drivers' route choice behavior is determined by these specific utility functions. A sample network is first employed to test the feasibility of the proposed model, and the result complies with the specified travel patterns. After that, a real network near Downtown Houston is used to further test the proposed model. An experiment is conducted based on the information collected from an on-site survey and the on-line real-time traffic map from Houston TranStar. In order to validate the necessity of the proposed model, a control experiment is carried out with all parameters being set in the same way as the designed experiment except that drivers are assumed to be fully familiar with the network layout and alternative routes. Test results show that the proposed model can fit the real case very well. The developed algorithm and the assessment procedure results are not only awfully imperative in trailblazing guide signing for MTGs, but also indispensable in both the modern Route Guidance System (RGS) and the Advanced Traveler Information System (ATIS), which are important components of the Intelligent Transportation System (ITS).
Author: Stephen Lee McFarland Publisher: Createspace Independent Publishing Platform ISBN: Category : History Languages : en Pages : 96
Book Description
Except in a few instances, since World War II no American soldier or sailor has been attacked by enemy air power. Conversely, no enemy soldier orsailor has acted in combat without being attacked or at least threatened by American air power. Aviators have brought the air weapon to bear against enemies while denying them the same prerogative. This is the legacy of the U.S. AirForce, purchased at great cost in both human and material resources.More often than not, aerial pioneers had to fight technological ignorance, bureaucratic opposition, public apathy, and disagreement over purpose.Every step in the evolution of air power led into new and untrodden territory, driven by humanitarian impulses; by the search for higher, faster, and farther flight; or by the conviction that the air way was the best way. Warriors have always coveted the high ground. If technology permitted them to reach it, men, women andan air force held and exploited it-from Thomas Selfridge, first among so many who gave that "last full measure of devotion"; to Women's Airforce Service Pilot Ann Baumgartner, who broke social barriers to become the first Americanwoman to pilot a jet; to Benjamin Davis, who broke racial barriers to become the first African American to command a flying group; to Chuck Yeager, a one-time non-commissioned flight officer who was the first to exceed the speed of sound; to John Levitow, who earned the Medal of Honor by throwing himself over a live flare to save his gunship crew; to John Warden, who began a revolution in air power thought and strategy that was put to spectacular use in the Gulf War.Industrialization has brought total war and air power has brought the means to overfly an enemy's defenses and attack its sources of power directly. Americans have perceived air power from the start as a more efficient means of waging war and as a symbol of the nation's commitment to technology to master challenges, minimize casualties, and defeat adversaries.
Author: Raman Selden Publisher: ISBN: Category : Juvenile Nonfiction Languages : en Pages : 180
Book Description
Unsurpassed as a text for upper-division and beginning graduate students, Raman Selden's classic text is the liveliest, most readable and most reliable guide to contemporary literary theory. Includes applications of theory, cross-referenced to Selden's companion volume, Practicing Theory and Reading Literature.
Author: Wuhong Wang Publisher: Springer Science & Business Media ISBN: 9491216805 Category : Computers Languages : en Pages : 343
Book Description
This book presents the new development of computation intelligence for traffic, transportation and mobility, the main contents include traffic safety, mobility analysis, intelligent transportation system, smart vehicle, transportation behavior, driver modeling and assistance, transportation risk analysis and reliability system analysis, vehicle operation and active safety, urban traffic management and planning.
Author: Air Force Historical Foundation. Symposium Publisher: Department of the Air Force ISBN: Category : History Languages : en Pages : 216
Book Description
Contains papers presented at the Air Force Historical Foundation Symposium, held at Andrews Air Force Base, Maryland, on September 21-22, 1995. Topics addressed are: Pt. 1, The Formative Years, 1945-1961; Pt. 2, Mission Development and Exploitation Since 1961; and Pt. 3, Military Space Today and Tomorrow. Includes notes, abbreviations & acronyms, an index, and photographs.
Author: Meghan Daum Publisher: Farrar, Straus and Giroux ISBN: 0374710066 Category : Literary Collections Languages : en Pages : 257
Book Description
A master of the personal essay candidly explores love, death, and the counterfeit rituals of American life in this "brave, funny compendium" (Slate) Nearly fifteen years after her debut collection, My Misspent Youth, captured the ambitions and anxieties of a generation, Meghan Daum returns to the personal essay with The Unspeakable, a powerful collection of ten new works. Where her previous collection explores what it is to be a struggling twenty-something urban dweller with an overdrawn bank account and oversized ambition, The Unspeakable contends with parental death, the decision not to have children, and more-a new set of challenges tackled by a writer at her best, investigated in the same uncompromising voice that made Daum one of the most engaging thinkers writing today. In The Unspeakable, Daum pushes back against the false sentimentality and shrink-wrapped platitudes that surround so much of the contemporary American experience. But Daum also operates in a comic register. With perfect precision, she reveals the absurdities of the New Age search for the "Best Possible Experience," champions the merits of cream-of-mushroom-soup casserole, and gleefully recounts a quintessential "only-in-L.A." story of playing charades at a famous person's home. Combining the piercing insight of Joan Didion with humor reminiscent of Nora Ephron's, Daum dissects our culture's most dangerous illusions while retaining her own joy and compassion. Through it all, she dramatizes the search for an authentic self in a world where achieving an identity is never simple and never complete.
Author: James Reinders Publisher: Apress ISBN: 9781484255735 Category : Computers Languages : en Pages : 548
Book Description
Learn how to accelerate C++ programs using data parallelism. This open access book enables C++ programmers to be at the forefront of this exciting and important new development that is helping to push computing to new levels. It is full of practical advice, detailed explanations, and code examples to illustrate key topics. Data parallelism in C++ enables access to parallel resources in a modern heterogeneous system, freeing you from being locked into any particular computing device. Now a single C++ application can use any combination of devices—including GPUs, CPUs, FPGAs and AI ASICs—that are suitable to the problems at hand. This book begins by introducing data parallelism and foundational topics for effective use of the SYCL standard from the Khronos Group and Data Parallel C++ (DPC++), the open source compiler used in this book. Later chapters cover advanced topics including error handling, hardware-specific programming, communication and synchronization, and memory model considerations. Data Parallel C++ provides you with everything needed to use SYCL for programming heterogeneous systems. What You'll Learn Accelerate C++ programs using data-parallel programming Target multiple device types (e.g. CPU, GPU, FPGA) Use SYCL and SYCL compilers Connect with computing’s heterogeneous future via Intel’s oneAPI initiative Who This Book Is For Those new data-parallel programming and computer programmers interested in data-parallel programming using C++.
Author: Steven Waldman Publisher: DIANE Publishing ISBN: 1437987265 Category : Technology & Engineering Languages : en Pages : 478
Book Description
In 2009, a bipartisan Knight Commission found that while the broadband age is enabling an info. and commun. renaissance, local communities in particular are being unevenly served with critical info. about local issues. Soon after the Knight Commission delivered its findings, the FCC initiated a working group to identify crosscurrent and trend, and make recommendations on how the info. needs of communities can be met in a broadband world. This report by the FCC Working Group on the Info. Needs of Communities addresses the rapidly changing media landscape in a broadband age. Contents: Media Landscape; The Policy and Regulatory Landscape; Recommendations. Charts and tables. This is a print on demand report.
Author: Publisher: AASHTO ISBN: 1560514086 Category : Transportation Languages : en Pages : 236
Book Description
"The 2009 AASHTO Transportation Glossary is an update and revision of the 1983 Transportation Glossary and the 1998 Transportation Glossary, which was unpublished. The largest additions in terminology were in bridge and drainage subjects. The new Glossary also includes lists of organizational acronyms, abbreviations, and other glossary references. Terms and definitions in this glossary were taken from an unpublished 1998 AASHTO Glossary and supplemented with definitions listed in AASHTO publications issued after 1998. Several additional sources were also referenced, including the Highway Capacity Manual, Manual on Uniform Traffic Control Devices, Code of Federal Regulations-Title 23, an FHWA list of roundabout terminology, and the Transportation Research Thesaurus. Glossary terms are listed in alphabetical order regardless of transportation mode. However, the glossary also includes two indexes-subject area and keyword-which provide cross references for the user."--AASHTO Bookstore website (viewed June 24, 2.
Author: Fengxiang Qiao
Author: Fengxiang Qiao
Author: Stephen Lee McFarland
Author: 
Author: Raman Selden
Author: Wuhong Wang
Author: Air Force Historical Foundation. Symposium
Author: Meghan Daum
Author: James Reinders
Author: Steven Waldman
Author: