期刊
TRANSPORTATION RESEARCH PART B-METHODOLOGICAL
卷 55, 期 -, 页码 41-58出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.trb.2013.05.002
关键词
Multi-state supernetwork; Activity-travel scheduling; Space time constraints; Time-dependent
类别
资金
- Dutch Science Foundation (NWO)
Activity-travel scheduling is at the core of many activity-based models that predict short-term effects of travel information systems and travel demand management. Multi-state supernetworks have been advanced to represent in an integral fashion the multi-dimensional nature of activity-travel scheduling processes. To date, however, the treatment of time in the supernetworks has been rather limited. This paper attempts to (i) dramatically improve the temporal dimension in multi-state supernetworks by embedding space-time constraints into location selection models, not only operating between consecutive pairs of locations, but also at the overall schedule at large, and (ii) systematically incorporate time in the disutility profiles of activity participation and parking. These two improvements make the multi-state supernetworks fully time-dependent, allowing modeling choice of mode, route, parking and activity locations in a unified and time-dependent manner and more accurately capturing interdependences of the activity-travel trip chaining. To account for this generalized representation, refined behavioral assumptions and dominance relationships are proposed based on an earlier proposed bicriteria label-correcting algorithm to find the optimal activity-travel pattern. Examples are shown to demonstrate the feasibility of this new approach and its potential applicability to large scale agent-based simulation systems. (C) 2013 Elsevier Ltd. All rights reserved.
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