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Robust scheduling and robustness measures for the discrete time/cost trade-off problem

Title	Robust scheduling and robustness measures for the discrete time/cost trade-off problem
Author	Hazır, Ö., Haouari, Mohamed, Erel, E.
Publication Date:	2010-12-01
Publication Place	- Elsevier
Subject	Project scheduling, Time/cost trade-off, Robustness, Simulation
Type	Periodical
Language	English
Digital	Yes
Manuscript	No
Library:	Özyeğin University
Library Asset ID	0377-2217
Record ID	38a0fe84-0bd5-48a7-a0ff-766f0a10972e
Library Location	Industrial Engineering
Date	2010-12-01
Notes	Due to copyright restrictions, the access to the full text of this article is only available via subscription.
Sample Text	Projects are often subject to various sources of uncertainties that have a negative impact on activity durations and costs. Therefore, it is crucial to develop effective approaches to generate robust project schedules that are less vulnerable to disruptions caused by uncontrollable factors. In this paper, we investigate the robust discrete time/cost trade-off problem, which is a multi-mode project scheduling problem with important practical relevance. We introduce surrogate measures that aim at providing an accurate estimate of the schedule robustness. The pertinence of each proposed measure is assessed through computational experiments. Using the insights revealed by the computational study, we propose a two-stage robust scheduling algorithm. Finally, we provide evidence that the proposed approach can be extended to solve a complex robust problem with tardiness penalties and earliness revenues.
DOI	10.1016/j.ejor.2010.05.046
Cilt	207

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Özyeğin University

Robust scheduling and robustness measures for the discrete time/cost trade-off problem

Author Hazır, Ö., Haouari, Mohamed, Erel, E.

Publication Date 2010-12-01

Publication Place - Elsevier

Subject Project scheduling, Time/cost trade-off, Robustness, Simulation

Type Periodical

Language English

Digital Yes

Manuscript No

Library Özyeğin University

Library Asset ID 0377-2217

Record ID 38a0fe84-0bd5-48a7-a0ff-766f0a10972e

Library Location Industrial Engineering

Date 2010-12-01

Notes Due to copyright restrictions, the access to the full text of this article is only available via subscription.

Sample Text Projects are often subject to various sources of uncertainties that have a negative impact on activity durations and costs. Therefore, it is crucial to develop effective approaches to generate robust project schedules that are less vulnerable to disruptions caused by uncontrollable factors. In this paper, we investigate the robust discrete time/cost trade-off problem, which is a multi-mode project scheduling problem with important practical relevance. We introduce surrogate measures that aim at providing an accurate estimate of the schedule robustness. The pertinence of each proposed measure is assessed through computational experiments. Using the insights revealed by the computational study, we propose a two-stage robust scheduling algorithm. Finally, we provide evidence that the proposed approach can be extended to solve a complex robust problem with tardiness penalties and earliness revenues.

DOI 10.1016/j.ejor.2010.05.046

Cilt 207