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A Review of the Applications of Agent Technology in Traffic and Transportation Syste - nithin007chelsea - 10-04-2017 A Review of the Applications of Agent Technology in Traffic and Transportation Systems [attachment=77] Abstract The agent computing paradigm is rapidly emerging as one of the powerful technologies for the development of largescale distributed systems to deal with the uncertainty in a dynamic environment. The domain of traffic and transportation systems is well suited for an agent-based approach because transportation systems are usually geographically distributed in dynamic changing environments. INTRODUCTION AGENT-BASED computing is one of the powerful technologies for the development of distributed complex systems [1]. Many researchers believe that agents represent the most important new paradigm for software development since object-oriented design [2], and the concept of intelligent agents has already found a diverse range of applications in manufacturing, real-time control systems, electronic commerce, network management, transportation systems, information management, scientific computing, health care, and entertainment. The reason for the growing success of agent technology in these areas is that the inherent distribution allows for a natural decomposition of the system into multiple agents that interact with each other to achieve a desired global goal. ARCHITECTURE AND PLATFORMS OF AGENT-BASED TRAFFIC CONTROL AND MANAGEMENT SYSTEMS The operation of agents is supported and managed by distributed software platforms known as agent systems. The name of MASs usually refers to systems that support stationary agents, and mobile agent systems support mobile agents. An agent system provides mechanisms for agent management, agent communication, and agent directory maintenance. A mobile agent system provides additional mechanisms to support the migration and execution of mobile agents. AGENT-BASED SYSTEMS FOR ROADWAY TRANSPORTATION Major challenges that roadway transportation faces are increasing traffic congestion, accidents, transportation delays, and vehicle emissions. The Texas Transportation Institute and the Texas A&M University System 2009 Urban Mobility Report [20] presents detailed trend data from 1982 to 2007 for 439 urban areas in U.S. The report provides both local view and national perspective on the growth and extent of traffic congestion. According to the report, congestion costs (the cost of extra time and fuel) in 439 urban areas are increasing from $16.7 billion in 1982 to $87.2 billion in 2007. To address the current problems and meet the growing travel demand, the solution is either constructing additional conventional roadway infrastructure or applying new technology to efficiently and effectively use existing infrastructure [21]. It is widely recognized, however, that the opportunities for building new physical infrastructure are decreasing because of increasing cost, environmental impact, and space limitations. |