Data Acquisition and Playback System for Traffic Signals PDF Download
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Author: Donald E. Scheck
Publisher:
ISBN:
Category : Electronic traffic controls
Languages : en
Pages : 82
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Book Description
This project met its objectives which were to develop a system to simulate actual traffic conditions in a controlled shop test of traffic signal installations and a system to evaluate coordinated traffic signal performance based on the actual flow of traffic through the intersections. The first system uses data from the traffic signal monitor/recorder which was developed under an earlier contract. A custom designed interface allows an IBM PC or compatible computer to drive a shop test with actual field data. This capability is especially useful for correcting difficult to diagnose signal failures. The other system consists of five data acquisition devices which collect synchronized time stamped vehicle actuations and green times from traffic signal installations and the software to display this information as a series of time-space diagrams. Data are plotted in the form of a standard time-space diagram with vehicle actuations shown along the bar of signal colors for each intersection. This type of display highlights the progress of traffic relative to the traffic signal cycle.
Author: Donald E. Scheck
Publisher:
ISBN:
Category : Electronic traffic controls
Languages : en
Pages : 82
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Book Description
This project met its objectives which were to develop a system to simulate actual traffic conditions in a controlled shop test of traffic signal installations and a system to evaluate coordinated traffic signal performance based on the actual flow of traffic through the intersections. The first system uses data from the traffic signal monitor/recorder which was developed under an earlier contract. A custom designed interface allows an IBM PC or compatible computer to drive a shop test with actual field data. This capability is especially useful for correcting difficult to diagnose signal failures. The other system consists of five data acquisition devices which collect synchronized time stamped vehicle actuations and green times from traffic signal installations and the software to display this information as a series of time-space diagrams. Data are plotted in the form of a standard time-space diagram with vehicle actuations shown along the bar of signal colors for each intersection. This type of display highlights the progress of traffic relative to the traffic signal cycle.
Author: Donald E. Scheck
Publisher:
ISBN:
Category : Electronic traffic controls
Languages : en
Pages : 112
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Book Description
The emphasis of this project was the implementation of the coordinated signal monitoring and playback system which was developed in an earlier project. The purpose of that system is to evaluate the performance of a system of coordinated signals. The user collects data on vehicle actuations and signal states for a series of coordinated signals and the system synchronizes the observations in time and displays the equivalent of a time-space diagram based on actual rather than theoretical traffic flow. Another objective was to develop a portable battery operated vehicle detection unit that would communicate with the data acquisition unit over an RF link.
Author: Ramakant Bhardwaj
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 3111331180
Category : Computers
Languages : en
Pages : 617
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Book Description
The book provides comprehensive and cognitive approach to building and deploying sophisticated information systems. The book utilizes non-linear optimization techniques, fuzzy logic, and rough sets to model various real-world use cases for the digital era. The hybrid information system modeling handles both qualitative and quantitative data and can effectively handle uncertainty and imprecision in the data. The combination of non-linear optimization mechanisms, fuzzy logic, and rough sets provides a robust foundation for next-generation information systems that can fulfill the demands of adaptive, aware, and adroit software applications for the knowledge era. The book emphasizes the importance of the hybrid approach, which combines the strengths of both mathematical and AI techniques, to achieve a more comprehensive and effective modeling process. Hybrid information system modeling techniques combine different approaches, such as fuzzy logic, rough sets, and neural networks, to create models that can handle the complexity and uncertainty of real-world problems. These techniques provide a powerful tool for modeling and analyzing complex systems, and the applications of hybrid information system modeling demonstrate their potential for solving real-world problems in various fields.
Author:
Publisher:
ISBN:
Category : Electronic traffic controls
Languages : en
Pages : 50
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Book Description
Author: Guanghui Zhao
Publisher: World Scientific
ISBN: 9811236011
Category : Technology & Engineering
Languages : en
Pages : 352
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Book Description
This book is designed as a popular science book on big data analytics in intelligent transportation systems. It aims to provide an introduction to big-data transportation starting from an overview on the development of big data transportation in various countries. This is followed by a discussion on the blueprint strategies of big data transportation which include innovative models, planning, transportation logistics, and application case studies. Finally, the book discusses applications of big data transportation platforms.
Author:
Publisher:
ISBN:
Category : Highway engineering
Languages : en
Pages : 884
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Book Description
Author:
Publisher:
ISBN:
Category : Highway engineering
Languages : en
Pages : 976
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Book Description
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 258
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Book Description
Author: Bela G. Liptak
Publisher: CRC Press
ISBN: 1351832980
Category : Technology & Engineering
Languages : en
Pages : 1142
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Book Description
Instrument Engineers' Handbook – Volume 3: Process Software and Digital Networks, Fourth Edition is the latest addition to an enduring collection that industrial automation (AT) professionals often refer to as the "bible." First published in 1970, the entire handbook is approximately 5,000 pages, designed as standalone volumes that cover the measurement (Volume 1), control (Volume 2), and software (Volume 3) aspects of automation. This fourth edition of the third volume provides an in-depth, state-of-the-art review of control software packages used in plant optimization, control, maintenance, and safety. Each updated volume of this renowned reference requires about ten years to prepare, so revised installments have been issued every decade, taking into account the numerous developments that occur from one publication to the next. Assessing the rapid evolution of automation and optimization in control systems used in all types of industrial plants, this book details the wired/wireless communications and software used. This includes the ever-increasing number of applications for intelligent instruments, enhanced networks, Internet use, virtual private networks, and integration of control systems with the main networks used by management, all of which operate in a linked global environment. Topics covered include: Advances in new displays, which help operators to more quickly assess and respond to plant conditions Software and networks that help monitor, control, and optimize industrial processes, to determine the efficiency, energy consumption, and profitability of operations Strategies to counteract changes in market conditions and energy and raw material costs Techniques to fortify the safety of plant operations and the security of digital communications systems This volume explores why the holistic approach to integrating process and enterprise networks is convenient and efficient, despite associated problems involving cyber and local network security, energy conservation, and other issues. It shows how firewalls must separate the business (IT) and the operation (automation technology, or AT) domains to guarantee the safe function of all industrial plants. This book illustrates how these concerns must be addressed using effective technical solutions and proper management policies and practices. Reinforcing the fact that all industrial control systems are, in general, critically interdependent, this handbook provides a wide range of software application examples from industries including: automotive, mining, renewable energy, steel, dairy, pharmaceutical, mineral processing, oil, gas, electric power, utility, and nuclear power.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1008
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
