Impact assessment based sectoral balancing in public R&D project portfolio selection

Autor: Musa Çağlar, Sinan Gürel

Publikováno v: Socio-Economic Planning Sciences. 66:68-81

Government funding agencies spend significant amounts of R&D funds through funding programs. While allocating funds among sectors or scientific disciplines, the Decision Maker (DM) wants to maximize the total impact by supporting R&D activities in th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0698c6591374b45ab056d271ed99025c
https://doi.org/10.1016/j.seps.2018.07.001

Bicriteria scheduling of a material handling robot in an m-machine cell to minimize the energy consumption of the robot and the cycle time

Autor: Sinan Gürel, Rabia Taspinar, Hakan Gultekin

Publikováno v: Robotics and Computer-Integrated Manufacturing. 72:102207

This study considers a flowshop type production system consisting of m machines. A material handling robot transports the parts between the machines and loads and unloads the machines. We consider the sequencing of the robot moves and determining the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e25f3413d6534c470b1328007c78d155
https://doi.org/10.1016/j.rcim.2021.102207

Public R&D project portfolio selection problem with cancellations

Autor: Musa Çağlar, Sinan Gürel

Publikováno v: OR Spectrum. 39:659-687

In this study, we address a public R&D project portfolio selection problem with project cancellations. For several reasons, a funded R&D project may be halted before finishing the planned research. When a project is canceled, most of its budget is us

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bcfc199c93650aee672bcad719cd5fe7
https://doi.org/10.1007/s00291-016-0468-5

The congested multicommodity network design problem

Autor: Sinan Gürel, Tolga Bektaş, Dimitris C. Paraskevopoulos

Publikováno v: Paraskevopoulos, D C, Gurel, S & Bektaş, T 2016, ' The congested multicommodity network design problem ', Transportation Research Part E: Logistics and Transportation Review, vol. 85, pp. 166-187 . https://doi.org/10.1016/j.tre.2015.10.007

This paper studies a version of the fixed-charge multicommodity network design problem where in addition to the traditional costs of flow and design, congestion at nodes is explicitly considered. The problem is initially modeled as a nonlinear intege

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ddb87db7287eedec62af9084e7feef1
https://doi.org/10.1016/j.tre.2015.10.007

Integrated aircraft and passenger recovery with cruise time controllability

Autor: Sinan Gürel, Uğur Arıkan, M. Selim Akturk

Publikováno v: Annals of Operations Research

Disruptions in airline operations can result in infeasibilities in aircraft and passenger schedules. Airlines typically recover aircraft schedules and disruptions in passenger itineraries sequentially. However, passengers are severely affected by dis

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8405d177575f6ba7bf70efdeac66849f
https://doi.org/10.1007/s10479-013-1424-2