TY - GEN
T1 - Developing insight into effective SPSA parameters through sensitivity analysis
AU - Markou, Ioulia
AU - Antoniou, Constantinos
N1 - Publisher Copyright:
© 2015 BME.
PY - 2015/8/25
Y1 - 2015/8/25
N2 - Traffic simulation models have seen increasing use during the past decades. One of the biggest challenges related to their successful application, is the appropriate set of their values, thus achieving the accurate representation of driving and travel behavior parameters' diversity. Models' calibration using optimization algorithms, and more specifically the Simultaneous Perturbation Stochastic Approximation (SPSA) algorithm, is a crucial step. In this research, we study several aspects of SPSA's algorithm. A sensitivity analysis is implemented, in the context of finding the appropriate set of parameters, that will significantly improve its performance. Through successive experiments, the most efficient set is selected, and some guidelines are presented.
AB - Traffic simulation models have seen increasing use during the past decades. One of the biggest challenges related to their successful application, is the appropriate set of their values, thus achieving the accurate representation of driving and travel behavior parameters' diversity. Models' calibration using optimization algorithms, and more specifically the Simultaneous Perturbation Stochastic Approximation (SPSA) algorithm, is a crucial step. In this research, we study several aspects of SPSA's algorithm. A sensitivity analysis is implemented, in the context of finding the appropriate set of parameters, that will significantly improve its performance. Through successive experiments, the most efficient set is selected, and some guidelines are presented.
KW - SPSA
KW - calibration
KW - optimization
KW - sensitivity analysis
UR - http://www.scopus.com/inward/record.url?scp=84951152066&partnerID=8YFLogxK
U2 - 10.1109/MTITS.2015.7223237
DO - 10.1109/MTITS.2015.7223237
M3 - Conference contribution
AN - SCOPUS:84951152066
T3 - 2015 International Conference on Models and Technologies for Intelligent Transportation Systems, MT-ITS 2015
SP - 58
EP - 65
BT - 2015 International Conference on Models and Technologies for Intelligent Transportation Systems, MT-ITS 2015
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - International Conference on Models and Technologies for Intelligent Transportation Systems, MT-ITS 2015
Y2 - 3 June 2015 through 5 June 2015
ER -