Anders Ekberg
Professor at Chalmers University of Technology
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Positions (1)
Anders Ekberg
Chalmers University of Technology
7 months ago
Chalmers University of Technology invites applications for a fully funded doctoral student position in Solid and Structural Dynamics, focusing on the integration and reliability of sensor data in railway signalling systems. The research will be conducted within the National Centre of Excellence CHARMEC, at the Division of Dynamics, Department of Mechanical Engineering. The project aims to advance the use of operational and safety-related sensor data for next-generation railway signalling, enabling proactive maintenance, improved reliability, and cost reduction. You will investigate which sensor and inspection data are most relevant for various stakeholders in the railway system, assess their reliability, and explore methods to enhance data quality. The research will also address how AI can be safely integrated into signalling systems, considering the challenges of safety-critical environments. As a doctoral student, you will take advanced courses within the Graduate School of Solid and Structural Mechanics, develop scientific concepts, and communicate your research findings. The position includes teaching or other duties up to 20% of working hours, and offers opportunities for interaction with the railway sector and participation in European projects. The contract is a fixed-term appointment of four years, extendable to five years with teaching duties. The starting salary is 34,550 SEK per month (from May 25, 2025), and you will enjoy full employee benefits, including access to Swedish courses, generous parental leave, subsidized day care, and healthcare. Eligibility requires a Master’s degree (120 credits) or a Master’s degree (60 credits) in Applied Mechanics, Structural Mechanics, Mechanical Engineering, Civil Engineering, Engineering Physics, or similar. For applicants educated outside Sweden, a 4-year Bachelor’s degree is accepted. Strong written and verbal English skills and collaborative abilities are mandatory. Experience in numerical simulations, statistical analyses, and mechanical or railway engineering is advantageous. Physical presence in Sweden is required throughout the study period, and a valid residence permit must be presented by the start date. Chalmers is committed to gender balance and equality, with initiatives such as the GENIE project. The university offers a dynamic and inspiring environment in Gothenburg, with a strong focus on scientific excellence and sustainability. For further information, contact Professor Anders Ekberg ([email protected]). To apply, prepare your documents in English (CV, personal letter, introduction, motivation, thesis, transcripts) and submit via the online application form. The deadline for applications is March 31, 2026. Incomplete or emailed applications will not be considered. References will be requested after the interview.
7 months ago
Articles (12)
This study sets out with a network-wide analysis of the risk for track buckling that concludes that track buckling relates to a few “weak points” along the track. To identify these, a numerical model to predict track buckling resistance is developed. The influences of key track parameters are evaluated and quantified using the innovative concept of an equivalent temperature. This allows to quantify the large influence of for example, curves and hanging sleepers in terms of an equivalent increase in temperature. Influence of less well-defined track parameters such as nearby fixed points or recent track work is estimated through statistical assessment of track buckling reports. Predicted influence generally agrees with empirical knowledge with some exceptions that are discussed in the report. Developed models and produced results should be valuable in identifying track sections at risk of track buckling and in assessing effectiveness of mitigating actions.
Year:
2024
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2024
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2023
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2023
With increasing train speeds and reduced time windows for maintenance work, the interest in the application of slab track technology to increase the capacity of high-speed railways has grown. Slab track may still be considered a relatively young technology, but with several different designs available on the market. Current research on slab tracks commonly focuses on improved methods. In contrast, the formulation of requirements, and evaluation towards these, are seldom investigated. In this paper, state-of-the-art simulation models are employed to illustrate and address the needs for innovative requirements in terms of structural integrity and robustness, life cycle cost (LCC) and environmental footprint of new and existing slab track designs. Based on demonstration examples, it is argued that current standards may lead to overly conservative designs inducing higher LCC and environmental footprint than necessary. Extensions of the standards in terms of LCC and environmental footprint are suggested. The conflict of interest between structural integrity and robustness, LCC and environmental footprint is discussed, and suggestions for how to optimise slab track structures are proposed.
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2023
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2023
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2023
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2022
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2022
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2022
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2022
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2020
Collaborators (7)
Elena Kabo
Research Professor
Chalmers University of Technology
Magnus Ekh
Professor
Chalmers University of Technology
Johan Ahlström
Professor
Chalmers University of Technology
Fredrik Larsson
Professor at Chalmers University of Technology
Chalmers University of Technology
Angelo Mazzu'
Associate Professor
University of Brescia
Knut Andreas Meyer
Assistant Professor
Chalmers University of Technology
Jens C. O. Nielsen
Chalmers University of Technology
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