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  • 1.
    Hetland, Jørn
    et al.
    University of Bergen, (NOR).
    Bakker, Arnold B.
    Erasmus University Rotterdam, (NLD), University of Johannesburg, (ZAF).
    Espevik, Roar
    Swedish Defence University, Institutionen för ledarskap och ledning, Leadership and Command & Control Division Stockholm. University of Bergen, (NOR).
    Olsen, Olav K.
    University of Bergen, (NOR).
    Daily work pressure and task performance: The moderating role of recovery and sleep2022In: Frontiers in Psychology, E-ISSN 1664-1078, Vol. 13Article in journal (Refereed)
    Abstract [en]

    Whereas previous research has focused on the link between (mental and physical) workload and task performance, less is known about the intervening mechanisms influencing this relationship. In the present study, we test the moderating roles of daily recovery and total sleep time in the relationship between work pressure and daily task performance. Using performance and recovery theories, we hypothesized that (a) work pressure relates positively to daily task performance, and that both (b) daily recovery in the form of psychological detachment and relaxation, and (c) total sleep time independently enhance this relationship. Our hypotheses were tested in a 30-day diary study with 110 officer cadets on a cross-Atlantic voyage on a Naval sail ship. The results of multilevel modeling lend support to all three hypotheses. Taken together, our findings suggest that recovery and sleep duration between shifts play a key role in the relationship between daily work pressure and task performance. We discuss the implications of these findings for the stressor-detachment model.

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  • 2.
    Lindgren, Måns
    Swedish Defence University.
    Capability Engineering An Alternative to Systems Engineering: Swedish combat vehicle industry2023Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    This thesis aims to look at ways capability engineering can be introduced to the Swedish combat vehicle industry, as well as to identify success factors for capability engineering. In this thesis, a case study methodology has been used. Where one case was BAE Systems Hägglunds selling new combat vehicles to Norway. While the other case researched was when the Swedish defense material administration purchased an upgrade from BAE Systems Hägglunds known as forward-mountedgrenade launchers. The two case studies, interviews, and document reviews were conducted to come up with success factors and recommendations on how capability engineering can be introduced. The main conclusion is that trust, complexity, knowledge base of the customer, and project size are the main success factors to work with. A series of recommendations on what to do in order for capability engineering to easier be implemented in the Swedish combat vehicle industry and four success factors for capability engineering are presented in the conclusions.

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  • 3.
    Liwång, Hans
    et al.
    Swedish Defence University, Department of Military Studies, Military-Technology Division. Chalmers University of Technology, Gothenburg, Sweden.
    Sörenson, Karl
    Swedish Defence University, Department of Military Studies, War Studies Division, Sektionen för marina operationer (KV Marin). Royal Institute of Technology, Stockholm, Sweden.
    Österman, Cecilia
    Linnaeus University, Kalmar Maritime Academy, Kalmar, Sweden.
    Ship security challenges in high-risk areas: manageable or insurmountable?2015In: WMU Journal of Maritime Affairs (JoMA), ISSN 1651-436X, E-ISSN 1654-1642, Vol. 14, no 2, p. 201-217Article in journal (Refereed)
    Abstract [sv]

    Piracy can lead to risks so high that they, according to the International Maritime Organization, are tolerable only if risk reduction is not practicable or is disproportionate to the benefits achieved. Therefore, there is a need for reducing ship security risks in relation to antagonistic threats such as piracy. The aim of this study is to identify challenges for ship operators when developing their ship security management. Furthermore, this study also investigates two central aspects in the analysis: understanding the threat and understanding how a security threat affects the crew and operation of the ship. It is clear from the analysis that the importance of subjective aspects beyond a ship operators’ direct control is high. This seems to be the fact for all aspects of the risk management process. The situation is also dynamic as the security risk, as well as the risk perception, can change dramatically even though there are no actual operational changes. As a result, the ship security management process is highly iterative and depends on situations on board as well as conditions out of the ship operator’s control. In order to make ship security manageable, the risk management has to put particular focus on methodological understanding, relevant system understanding and well-defined risk acceptance criteria as well as on including all levels of the organization in the risk reduction implementation and on a continuous monitoring.

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  • 4.
    Molnar, Malin
    Institute of Environmental Medicine, Karolinska Institutet, SE-171 77 Stockholm, Sweden, (SWE).
    Facilitating and straining factors affecting the health and sustainability of young managers in a modern mining industry: Self-fulfilment and development - a buffer for young managers?2023In: Arbetsliv i omvandling, ISSN 1404-8426, no 2, p. 3-53Article in journal (Refereed)
    Abstract [en]

    To be able to attract, retain and develop talented individuals to managerial positions is important for organizations. Recently, however, there are indications that young professionals are reluctant to accept a leadership role. There is a lack of research exploring the reasons for this reluctance and investigating the working conditions and health of young managers; especially within heavy industries such as mining. The aim of the study is to gain a deeper understanding of the factors affecting the health and sustainability of young managers in the mining industry. A qualitative case study is conducted based on in-depth interviews with 10 managers aged 35 years or younger at a large international mining company in Northern Europe. A content analysis indicated several straining and facilitating aspects of the work situation in terms of maintaining sustainability and good health. The resulting themes are analyzed and discussed through the lens of the Job-demand-control-support (JDCS) model. Perceived stimulation, growth, and development seems to have a facilitating role in promoting sustainability and health, and is one theme that stood out from complete adaptation to the model. The study contributes with insights into how this model can be applied to a specific professional group (young managers) and in a certain context (mining and similar heavy industry). The findings have practical implications for organizations regarding the ability to ensure good, healthy, attractive, and sustainable working conditions for young managers.

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  • 5.
    Pettersson, Alexander
    Swedish Defence University.
    Additiv tillverkning för högre teknisk tillgänglighet i internationella insatsområden2018Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    In this paper the military utility of additive manufacturing of spare parts during international deployment is explored. We also analyze the effect that additive manufacturing has on technical availability.

    International deployment can be tough for logistical reasons and this leads to a difficulty in supplying ground troops with spare parts. If the spare parts cannot be acquired in the deployment area these have to be shipped from central distribution centers or be ordered directly from the industries. Some spare parts are uncommon and not stored in distribution centers but only get manufactured on order. This type of production can lead to delivery times of up to 40-50 weeks. With additive manufacturing this process could be shortened to 4-10 weeks.

    Conclusions that can be drawn is that additive manufacturing has military utility and can give a higher technical availability, given that a few technical difficulties are resolved. At this point there is a shortcoming in the number of qualified materials for printing spare parts for regular vehicles and this makes it difficult for the industry to approve of spare parts constructed with additive manufacturing. The winning in technical availability is directly linked to how difficult the deployment area is to reach for logistical units. Additive manufacturing has a higher positive effect in areas that are hard to reach.

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