Highlights A novel car following modeling framework. Gipps’ model was integrated with TCI. IDM was integrated with TCI. The new models were calibrated and validated. Distractions can be better captured by the new models.
Abstract Human factors such as distraction, fatigue, alcohol and drug use are generally ignored in car-following (CF) models. Such ignorance overestimates driver capability and leads to most CF models’ inability in realistically explaining human driving behaviors. This paper proposes a novel car-following modeling framework by introducing the difficulty of driving task measured as the dynamic interaction between driving task demand and driver capability. Task difficulty is formulated based on the famous Task–Capability Interface (TCI) model, which explains the motivations behind driver's decision making. The proposed method is applied to enhance two popular CF models: Gipps’ model and IDM, and named as TDGipps and TDIDM respectively. The behavioral soundness of TDGipps and TDIDM are discussed and their stabilities are analyzed. Moreover, the enhanced models are calibrated with the vehicle trajectory data, and validated to explain both regular and human factor influenced CF behavior (which is distraction caused by hand-held mobile phone conversation in this paper). Both the models show better performance than their predecessors, especially in presence of human factors.
Revisiting the Task–Capability Interface model for incorporating human factors into car-following models
Transportation Research Part B: Methodological ; 82 ; 1-19
2015-01-01
19 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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