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  • 1.
    Kans, Mirka
    et al.
    Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för maskinteknik (MT).
    Campos, Jaime
    Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för informatik (IK).
    Håkansson, Lars
    Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för maskinteknik (MT).
    Condition Monitoring of Gravel Roads: Current Methods and Future Directions2020Ingår i: Advances in Asset Management and Condition Monitoring. Smart Innovation, Systems and Technologies: COMADEM 2019 / [ed] Ball A., Gelman L., Rao B., Springer, 2020, s. 451-461Kapitel i bok, del av antologi (Refereegranskat)
    Abstract [en]

    High quality information is essential for the efficient decision making. Road condition is, together with traffic frequency, commonly used as input for classifying road status. Road condition is also a major input for the maintenance executor (vehicle operator) when deciding on maintenance actions, such as amount of gravel to replenish. With better condition related information, the maintenance execution as well as maintenance planning could be greatly improved. The current deficiencies in gravel road condition monitoring methods and technologies are described in this paper, and an approach for objective measurement of gravel road condition is proposed, including new measurement techniques and systems as well as information processing for decision making. This is realized by utilizing research findings from the area of signal processing, maintenance engineering, and information systems engineering in the specific context of gravel road monitoring, thus utilizing available technologies and methods as well as physics.

  • 2.
    Kans, Mirka
    et al.
    Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för maskinteknik (MT).
    Campos, Jaime
    Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för informatik (IK).
    Håkansson, Lars
    Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för maskinteknik (MT).
    Current practices and new approaches within condition monitoring of gravel roads2020Ingår i: International Journal of COMADEM, ISSN 1363-7681, Vol. 23, nr 4, s. 3-8Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    High quality information is essential for the efficient decision making. Road condition is, together with traffic frequency, commonly used as input forclassifying road status. Road condition is also a major input for the maintenance executor (vehicle operator) when deciding on maintenance actions, such asamount of gravel to replenish. With better condition related information, the maintenance execution as well as maintenance planning could be greatlyimproved. The current deficiencies in gravel road condition monitoring methods and technologies are described in this paper, and an approach for objectivemeasurement of gravel road condition is proposed, including new measurement techniques and systems as well as information processing for decision making.This is realized by utilizing research findings from the area of signal processing, maintenance engineering, and information systems engineering in the specificcontext of gravel road monitoring, thus utilizing available technologies and methods as well as physics.

  • 3.
    Campos, Jaime
    et al.
    Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för informatik (IK).
    Kans, Mirka
    Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för maskinteknik (MT).
    Håkansson, Lars
    Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för maskinteknik (MT).
    Information System Requirements Elicitation for Gravel Road Maintenance: A Stakeholder Mapping Approach2020Ingår i: Advances in Asset Management and Condition Monitoring. Smart Innovation, Systems and Technologies: COMADEM 2019 / [ed] Ball A., Gelman L., Rao B., Springer, 2020, s. 377-387Kapitel i bok, del av antologi (Refereegranskat)
    Abstract [en]

    Gravel road maintenance is a complex endeavour comprising physical, technical and social aspects that have to be considered, and resources to be coordinated. The maintenance requirements are affected by weather conditions, geography, and traffic frequency, but also by the physical properties of the road and the previous maintenance performance. The physical properties and maintenance requirements are area dependent; in Northern Europe, ground frost, for instance, is a problem, while flooding is a problem in East Asia. Understanding the specific context-dependent variables is therefore important when designing a maintenance information system. In this paper, the maintenance information system requirements are identified focusing on the Swedish gravel road ecosystem. The system elicitation process is crucial to be able to specify the requirements of the future system and its users, and in this paper, a stakeholders’ approach is utilized. Different stakeholders are described, including their maintenance related needs, information needs, and roles in the maintenance system. The interdependencies between different stakeholders are also illustrated in an ecosystem diagram. From these descriptions, requirements for computerized maintenance management systems are elicited, and main users are identified. User scenarios are thereafter illustrated using the User Case technique.

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