Abstract:This paper presents an agent-based approach to modelling individual driver behaviour under the influence of real-time traffic information. The driver behaviour models developed in this study are based on a behavioural survey of drivers which was conducted on a congested commuting corridor in Brisbane, Australia. CommutersÕ responses to travel information were analysed and a number of discrete choice models were developed to determine the factors influencing driversÕ behaviour and their propensity to change rou… Show more
“…440 We also plan to devise a methodological approach that allows for the representation of more realistic behaviors, including their calibration and validation against real world observation. Dia and Purchase (1999) have proposed a survey of driver behaviors to provide useful insight into the characteristics of commuters, 445 their preferences and thresholds, as further discussed in (Dia, 2002). Results from such a survey could be easily specified in terms of AgentSpeak(L) constructors.…”
Section: Discussionmentioning
confidence: 99%
“…Hernández et al, 2002). Nonetheless, an increasing effort has also been dedicated to representing driver behavior and its underlying decision-making mechanism, as pro-85 posed in (e.g., Dia, 2002;Rossetti, Bordini, et al, 2002). The analysis of ITS systems through this approximation has been investigated as well (e.g., Wahle et al, 2002), and some other works report on applications to freight transport and optimization of resource use (e.g., Haddadi, 1993;90 Adler and Blue, 2002).…”
Article:Rossetti, R. and Lui, R. (2005) An agent-based approach to assess drivers' interaction with pre-trip information systems. Journal of Intelligent Transportation Systems., 9 (1). pp.
This article reports on the practical use of a multi-agent microsimulation framework to address the issue of assessing drivers' responses to pretrip information systems. The population of drivers is represented as a community of autonomous agents, and travel demand results from the decision-making deliberation performed by each individual of the population as regards
“…440 We also plan to devise a methodological approach that allows for the representation of more realistic behaviors, including their calibration and validation against real world observation. Dia and Purchase (1999) have proposed a survey of driver behaviors to provide useful insight into the characteristics of commuters, 445 their preferences and thresholds, as further discussed in (Dia, 2002). Results from such a survey could be easily specified in terms of AgentSpeak(L) constructors.…”
Section: Discussionmentioning
confidence: 99%
“…Hernández et al, 2002). Nonetheless, an increasing effort has also been dedicated to representing driver behavior and its underlying decision-making mechanism, as pro-85 posed in (e.g., Dia, 2002;Rossetti, Bordini, et al, 2002). The analysis of ITS systems through this approximation has been investigated as well (e.g., Wahle et al, 2002), and some other works report on applications to freight transport and optimization of resource use (e.g., Haddadi, 1993;90 Adler and Blue, 2002).…”
Article:Rossetti, R. and Lui, R. (2005) An agent-based approach to assess drivers' interaction with pre-trip information systems. Journal of Intelligent Transportation Systems., 9 (1). pp.
This article reports on the practical use of a multi-agent microsimulation framework to address the issue of assessing drivers' responses to pretrip information systems. The population of drivers is represented as a community of autonomous agents, and travel demand results from the decision-making deliberation performed by each individual of the population as regards
“…This part was divided into four groups in which information about auto commuter's socio-economic characteristics, usual trip preferences, availability and usage of public and private modes was collected. The commuters' socio-economic characteristics were surveyed in order to observe the impact of these characteristics on commuters' travel choice preferences, including: age, gender, education, occupation, personal income, household income, household size, postcode, marital status and type of vehicle owned [20]. Age was divided into four groups of 18 to 35, 36 to 45, 46 to 55, and above 55 years.…”
Aim:Real-time traveler information affects auto commuter's travel behavior.
Method:An ordered probit model is used to analyze auto commuter's mode switching propensity under influence of simulated real-time multimodal traveler information. A travel preference survey is administered to car drivers to gather individual commuter's travel decisions under integrated multimodal traveler information.
Result:It is shown that integrated multimodal traveler information can influence willingness of car drivers to switch mode of travel, while socio-economic characteristics also influence the mode choice decision.
“…Thus, road conditions, as an important attribute of mobile agent context, behave as a very influential factor in driver behavior concerning trip-making and route choice. Therefore, the provision of real-time road information can help improve traffic performance and service quality [37][38][39].…”
Section: The Data-driven Agent-based Modelingmentioning
Significant computation challenges are emerging as agent-based modeling becomes more complicated and dynamically data-driven. In this context, parallel simulation is an attractive solution when dealing with massive data and computation requirements. Nearly all the available distributed simulation systems, however, do not support geospatial phenomena modeling, dynamic data injection, and real-time visualization. To tackle these problems, we propose a distributed dynamic-data driven simulation and analysis system (4D-SAS) specifically for massive spatial agent-based modeling to support real-time representation and analysis of geospatial phenomena. To accomplish large-scale geospatial problem-solving, the 4D-SAS system was spatially enabled to support geospatial model development and employs high-performance computing to improve simulation performance. It can automatically decompose simulation tasks and distribute them among computing nodes following two common schemes: order division or spatial decomposition. Moreover, it provides streaming channels and a storage database to incorporate dynamic data into simulation models; updating agent context in real-time. A new online visualization module was developed based on a GIS mapping library, SharpMap, for an animated display of model execution to help clients understand the model outputs efficiently. To evaluate the system's efficiency and scalability, two different spatially explicitly agent-based models, an en-route choice model, and a forest fire propagation model, were created on 4D-SAS. Simulation results illustrate that 4D-SAS provides an efficient platform for dynamic data-driven geospatial modeling, e.g., both discrete multi-agent simulation and grid-based cellular automata, demonstrating efficient support for massive parallel simulation. The parallel efficiency of the two models is above 0.7 and remains nearly stable in our experiments.
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