Fuzzy logic for improved dilemma zone identification : a simulator study Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/j098zd40v

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  • The Type-II dilemma zone refers to the segment of roadway approaching an intersection where drivers have difficulty deciding to stop or proceed through at the onset of the circular yellow (CY) indication. Signalized intersection safety can be improved when the dilemma zone is correctly identified and steps are taken to reduce the likelihood that vehicles are caught in it. This research employs driving simulation as a means to collect driver response data at the onset of the CY indication to better understand and describe the dilemma zone. The data obtained was compared against that from previous experiments documented in the literature and the evidence suggests that driving simulator data is valid for describing driver behavior under the given conditions. Fuzzy logic was proposed as a tool to model driver behavior in the dilemma zone, and three such models were developed to describe driver behavior as it relates to the speed and position of the vehicle. These models were shown to be consistent with previous research on this subject and were able to predict driver behavior with up to 90% accuracy.
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  • description.provenance : Made available in DSpace on 2012-07-06T17:35:37Z (GMT). No. of bitstreams: 1 MooreDerekA2012.pdf: 926679 bytes, checksum: 06a44614968b455fbbac780a45f68392 (MD5) Previous issue date: 2012-06-15
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