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原文传递 Traffic flow wide-area surveillance system definition

题名：	Traffic flow wide-area surveillance system definition
作者：	Moynihan, P.I.;Carnal, C.L.;Abston, R.A.;Kercel, S.W.;Ferrell, R.K.;Allgood, G.O.;
关键词：	32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; ROAD TRANSPORT; MONITORING; MANAGEMENT; PLANNING; HUMAN FACTORS; COMMUNICATIONS; CONTROL THEORY; CONTROL SYSTEMS
摘要：	Traffic Flow Wide-Area Surveillance (TFWAS) is a system for assessing the state of traffic flow over a wide area for enhanced traffic control and improved traffic management and planning. The primary purpose of a TFWAS system is to provide a detailed traffic flow description and context description to sophisticated traffic management and control systems being developed or envisioned for the future. A successful TFWAS system must possess the attributes of safety, reconfigurability, reliability, and expandability. The primary safety premise of TFWAS is to ensure that no action or failure of the TFWAS system or its components can result in risk of injury to humans. A wide variety of communication techniques is available for use with TFWAS systems. These communication techniques can be broken down into two categories, landlines and wireless. Currently used and possible future traffic sensing technologies have been examined. Important criteria for selecting TFWAS sensors include sensor capabilities, costs, operational constraints, sensor compatibility with the infrastructure, and extent. TFWAS is a concept that can take advantage of the strengths of different traffic sensing technologies, can readily adapt to newly developed technologies, and can grow with the development of new traffic control strategies. By developing innovative algorithms that will take information from a variety of sensor types and develop descriptions of traffic flows over a wide area, a more comprehensive understanding of the traffic state can be provided to the control system to perform the most reasonable control actions over the entire wide area. The capability of characterizing the state of traffic over an entire region should revolutionize developments in traffic control strategies.
总页数：	103p
报告类型：	科技报告