NDLI: Improving Bus Service Reliability with Stochastic Optimization

Content Provider	IEEE Xplore Digital Library
Author	Gkiotsalitis, K. Maslekar, N.
Copyright Year	2015
Description	Author affiliation: NEC Labs. Eur., Heidelberg, Germany (Gkiotsalitis, K.; Maslekar, N.)
Abstract	Bus route performance, typically expressed in terms of excess waiting time (EWT), is often unstable and suffers from bunching which results in lower regularity. Governments are introducing regularity-based contracts for operators, where monetary incentives or penalties are introduced depending on performance. Optimization of bus regularity requires the recursive coordination of several buses, hindering the solution scalability in real-time. In this work we propose a bus headway balancer based on stochastic search and branch hopping/merging algorithm which optimizes schedules to minimize the EWT. This algorithm balances bus headway deviations by introducing dwell intervals in the schedule, which can be applied off line or in real-time. A test-case implementation of the approach used 3-month AVL data from a bus operator in Asia and showcased an improvement of EWT by up to 50% with reduction in computational complexity to almost linear time and at least 2x times increase at solution space search.
Starting Page	2794
Ending Page	2799
File Size	291330
Page Count	6
File Format	PDF
ISSN	21530017
e-ISBN	9781467365963
DOI	10.1109/ITSC.2015.449
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-09-15
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optimization Computational efficiency Annealing Computational modeling Time measurement Aerospace electronics Schedules Stochastic Optimization Bus Bunching Bus Reliability Excess Waiting Time
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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