ATMS concept of operations and generic system requirements : task B : final interim report for design of support systems for advanced traffic management systems
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1993-10-01
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Abstract:This document describes the Concept of Operations and Generic System Requirements for ; the next generation of Traffic Management Centers (TMC). Four major steps comprise the ; development of this Concept of Operations. The first step was to survey the state-of-the practice to develop a thorough understanding of how traffic networks are currently ; managed. This review was conducted through interviews with TMC managers, TMC ; inspection visits, and a literature search and review. The results of this review are ; documented in a previous report entitled, “Traffic Management Centers - The State-of-the- ; Practice”. Using the review’s results as a foundation, the second step was to develop a ; comprehensive list of ATMS functions that would meet the objectives of the Intelligent ; Vehicle Highway System (IVHS). This list was then used to derive ATMS functional ; requirements. The functional requirements encompass the generic system requirements, ; which are higher level requirements identifying critical areas where support systems are ; essential for effective management and operation of ATMS. The functional requirements ; served as the baseline for a top-down analysis, the third step, in which each function was ; analyzed to determine requirements for the information to be input, the necessary ; processing, and the output information to be produced. Using this list, more detailed ; analyses were performed to identify ATMS boundaries, the role and assets of ATMS itself, ; identification of external entities, data and information exchange between ATMS and ; external entities, and the decomposition of functions within ATMS. A by-product of these ; analyses, was the identification of ATMS subsystems and support systems and their ; interrelationships. Finally, the last step was to develop a set of operational scenarios to ; exercise each of the identified functions in the subsystems. The result of these analyses ; provides a framework for the design of ATMS support systems.
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Main Document Checksum:urn:sha-512:00317e0fbb1d0285b109402134cce8634f06b715fc79f29558c3637cf7982b36d7ec9df384c3526ce19bd28fa5d15174a41da14e85c92e860fc064863d44407f