Safety Evaluation for Campus Parking Garage Performance Using Fuzzy Logic
Publication: Journal of Performance of Constructed Facilities
Volume 18, Issue 3
Abstract
Crime has been plaguing parking garages in the United States. At The Ohio State University, (OSU) crime on campus, in general, has decreased in recent years; however, crime in OSU parking garages has remained stable in spite of campus-wide efforts to reduce crime. When assessing and evaluating parking garages, occupants employ experience-based judgment that is subjective and imprecise, yet extremely useful. When designers employ the principles of crime prevention through environmental design, they also use subjective variables. An approach that captures the imprecise information in noncrisp expressions reflecting subjective and experience-based variables is the fuzzy logic concept. This concept allows the use of mathematical operations to manipulate and operate on imprecise information or knowledge. Variables such as garage illumination and wall height were collected, fuzzified, and treated as the knowledge base of a model presented in this paper. In addition, numerous experience-based implication rules were developed and employed to evaluate subjective variables. A computer program was developed to illustrate implementation of the model.
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Published In
Journal of Performance of Constructed Facilities
Volume 18 • Issue 3 • August 2004
Pages: 127 - 135
Copyright
Copyright © 2004 American Society of Civil Engineers.
History
Received: Aug 22, 2002
Accepted: Feb 12, 2003
Published online: Jul 15, 2004
Published in print: Aug 2004
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