Torgny Almgren

Publications (24)
Projects (2)

Showing 24 publications

2023

Bi-objective optimization of the tactical allocation of job types to machines: mathematical modeling, theoretical analysis, and numerical tests

Sunney Fotedar, Ann-Brith Strömberg, Torgny Almgren

International Transactions in Operational Research. Vol. 30, p. 3479-3507

Journal article

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2023

A criterion space decomposition approach to generalized tri-objective tactical resource allocation

Sunney Fotedar, Ann-Brith Strömberg, Torgny Almgren et al

Computational Management Science. Vol. 20 (1)

Journal article

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2022

Robust optimization of a bi‑objective tactical resource allocation problem with uncertain qualification costs

Sunney Fotedar, Ann-Brith Strömberg, Edvin Åblad et al

Autonomous Agents and Multi-Agent Systems. Vol. 36 (2)

Journal article

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2020

A decision-making tool to identify routings for an efficient utilization of machining resources: the decision makers’ perspective

Sunney Fotedar, Torgny Almgren, Joakim Wikner et al

PLANs forsknings-och tillämpningskonferens

Paper in proceeding

Show project

2019

Mathematical optimization of the tactical allocation of machining resources for an efficient capacity utilization in aerospace component manufacturing

Sunney Fotedar, Torgny Almgren, Stefan Cedergren et al

Proceedings of the 10th Aerospace Technology Congress, p. 183-188

Paper in proceeding

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2017

Advanced use of Data as an Enabler for Adaptive Production Control using Mathematical Optimization – An Application of Industry 4.0 Principles

Johan Vallhagen, Torgny Almgren, Karin Thörnblad

Procedia Manufacturing. Vol. 11, p. 663-670

Paper in proceeding

2015

Scheduling optimization of a real flexible job shop including side constraints regarding maintenance, fixtures, and night shifts

Karin Thörnblad, Ann-Brith Strömberg, Michael Patriksson et al

Proceedings of the 7th Multidisciplinary International Conference on Scheduling: Theory and Applications (MISTA 2015). 25 -28 Aug 2015, Prague, Czech Republic, p. 78-101

Paper in proceeding

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2015

Scheduling optimisation of a real flexible job shop including fixture availability and preventive maintenance

Karin Thörnblad, Ann-Brith Strömberg, Michael Patriksson et al

European Journal of Industrial Engineering. Vol. 9 (1), p. 126-145

Journal article

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2013

A competitive iterative procedure using a time-indexed model for solving flexible job shop scheduling problems

Karin Thörnblad, Ann-Brith Strömberg, Michael Patriksson et al

Preprint

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2013

Scheduling optimization of a real flexible job shop including side constraints regarding maintenance, fixtures, and night shifts

Karin Thörnblad, Ann-Brith Strömberg, Michael Patriksson et al

Preprint

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2013

An efficient algorithm for solving the flexible job shop scheduling problem

Karin Thörnblad, Ann-Brith Strömberg, Michael Patriksson et al

25th NOFOMA conference proceedings, June 3-5 2013, Göteborg, Sweden, p. 15-

Paper in proceeding

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2012

The opportunistic replacement problem: theoretical analyses and numerical tests

Torgny Almgren, Niclas Andréasson, Michael Patriksson et al

Mathematical Methods of Operations Research. Vol. 76 (3), p. 289-319

Journal article

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2012

Mathematical optimization of a flexible job shop problem including preventive maintenance and availability of fixtures

Karin Thörnblad, Torgny Almgren, Michael Patriksson et al

Proceedings of the 4th World P&OM Conference / 19th International Annual EurOMA Conference, Amsterdam, Netherlands, July 2012

Paper in proceeding

2012

Optimization models for improving periodic maintenance schedules by utilizing opportunities

Torgny Almgren, Niclas Andréasson, Myrna Palmgren et al

Proceedings of 4th Production and Operations Management World Conference, July 2012

Paper in proceeding

2012

A Time-indexed Formulation of a Flexible Job Shop Problem with a Limited Number of Fixtures

Karin Thörnblad, Ann-Brith Strömberg, Michael Patriksson et al

Proceedings of 13th International Conference on Project Management and Scheduling in Leuven, Belgium, April 2012, p. 335-338

Paper in proceeding

Show project

2011

Optimering av scheman för en verklig produktionscell: tidsdiskretisering reducerar lösningstiden utan att lösningarnas kvalitet försämras

Karin Thörnblad, Torgny Almgren, Ann-Brith Strömberg et al

PLANs forsknings- och tillämpningskonferens, 31 aug-1 sep 2011, Norrköping, Sverige

Other conference contribution

2011

The opportunistic replacement problem: analysis and case studies

Torgny Almgren, Niclas Andréasson, Michael Patriksson et al

Preprint

2011

Mathematical modelling of a real flexible job shop in aero engine component manufacturing

Karin Thörnblad, Michael Patriksson, Ann-Brith Strömberg et al

Proceedings of 10th Workshop on Models and Algorithms for Planning and Scheduling Problems, June 2011, Nymburk, Czech Republic

Other conference contribution

2010

Optimization of schedules for a multitask production cell

Karin Thörnblad, Ann-Brith Strömberg, Torgny Almgren et al

Proceedings of The 22nd NOFOMA Conference in Kolding, Denmark, 10-11th of June 2010

Paper in proceeding

2009

The replacement problem: A polyhedral and complexity analysis

Torgny Almgren, Niclas Andréasson, Michael Patriksson et al

Preprint

2009

The replacement problem: A polyhedral and complexity analysis. The complete version

Torgny Almgren, Niclas Andréasson, Michael Patriksson et al

Preprint

2008

Optimering av underhållsplaner leder till strategier för utvecklingsprojekt

Ann-Brith Strömberg, Torgny Almgren

Logistikutveckling - teori möter praktik, artiklar från PLANs Forsknings- och tillämpningskonferens, 27-28 augusti 2008, Göteborg, p. 169-180

Paper in proceeding

2008

Optimization of opportunistic replacement activities: A case study in the aircraft industry

Torgny Almgren, Niclas Andréasson, Dragi Anevski et al

Preprint

2007

Optimization of opportunistic replacement activities: A case study in the aircraft industry

Michael Patriksson, Torgny Almgren, Niclas Andreasson et al

Preprint

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Showing 2 research projects

2017–2023

Tactical resource allocation for efficient capacity Utilization

Ann-Brith Strömberg Applied Mathematics and Statistics

Sunney Fotedar Applied Mathematics and Statistics

Michael Patriksson Applied Mathematics and Statistics

Torgny Almgren Mathematics

VINNOVA

8 publications exist

2008–2013

Production planning facilitated by optimal scheduling of a multi-task production cell

Ann-Brith Strömberg Applied Mathematics and Statistics

Michael Patriksson Applied Mathematics and Statistics

Karin Thörnblad Mathematics

Torgny Almgren Mathematics

Swedish Research Council (VR)

GKN Aerospace Sweden

VINNOVA

10 publications exist

There might be more projects where Torgny Almgren participates, but you have to be logged in as a Chalmers employee to see them.