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Showing result 1 - 5 of 6 essays matching the above criteria.

  1. 1. Holistic embedding of equivalent conicity in wheelset maintenance

    University essay from KTH/Väg- och spårfordon samt konceptuell fordonsdesign

    Author : Philipp Linzbichler; [2023]
    Keywords : Railway Operation; Equivalent Conicity; Wheelset Maintenance; Smart Maintenance; Data Analysis; Järnvägsdrift; Ekvivalent Konicitet; Hjulset Underhåll; Smart Underhåll; Dataanalys;

    Abstract : With continuing digitization of railways an increasing number of data is recorded but particularly in operation advanced analysis tends to be partially rudimentary. Yet, it is essential to implement sophisticated processing for all records in order to develop more purposeful and predictive vehicle maintenance strategies that adhere to the increasing requirements imposed by the homologation. READ MORE

  3. 2. Anomaly detection for prediction of failures in manufacturing environments : Machine learning based semi-supervised anomaly detection for multivariate time series to predict failures in a CNC-machine

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Felix Boltshauser; [2023]
    Keywords : Machine learning; Anomaly Detection; DeepAnT; ROCKET; OCSVM; manufacturing; predictive maintenance; Maskin inlärning; Anomali Detektion; DeepAnT; ROCKET; OCSVM; tillverkning; prediktivt underhåll;

    Abstract : For manufacturing enterprises, the potential of collecting large amounts of data from production processes has enabled the usage of machine learning for prediction-based monitoring and maintenance of machines. Yet common maintenance strategies still include reactive handling of machine failures or schedule-based maintenance conducted by experienced personnel. READ MORE

  4. 3. The environmental and social impact from digitization in buildings : A case study of the transformation and current conditions on the University hospital of Northern Sweden

    University essay from Umeå universitet/Institutionen för tillämpad fysik och elektronik

    Author : Matilda Melén; Alma Wenhov; [2022]
    Keywords : digitization; building automation; HVAC; energy efficiency; qualitative interview; quantitative interview; LCA; maintenance techniques; environmental analysis; condition-based maintenance; preventive maintenance; reactive maintenance; NUS; the university hospital of northern sweden; Schneider Electric; CO2; transportation; efficiency; indoor comfort; indoor climate; climate change; digitalisering; fastighetsautomation; HVAC; energieffektivisering; kvalitativ intervju; kvantitativ intervju; LCA; underhållsstrategier; miljöanalys; konditionsbaserat underhåll; förebyggande underhåll; reaktivt underhåll; NUS; Norrlands Universitetssjukhus; Schneider Electric; CO2; transporter; effektivitet; inomhuskomfort; inomhusklimat; klimatförändring;

    Abstract : To improve sustainability, social, environmental and economic aspects needs to be considered. The most optimal result appears when all three aspects are balanced equally, this is however often overseen by private investors, who focuses only on reaching economic sustainability at the expense of social and environmental sustainability. READ MORE

  5. 4. Techno-economic analysis of wind farm repowering strategies in France

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Sébastien Michaud; [2019]
    Keywords : ;

    Abstract : French wind farms are aging. By 2025, the French Environment & Energy Management Agency estimates that 1 GW per year of operating wind turbines will reach their expected lifetime. The handling of wind turbines end of life is relatively new to wind farm owners, both technically and economically. READ MORE

  6. 5. Business modeling for predictive services in the process industry : A case study with a systems thinking approach

    University essay from Mälardalens högskola/Akademin för ekonomi, samhälle och teknik

    Author : Nathalia Huppert; Viggo Stenholm; [2018]
    Keywords : Systems thinking; digitalization; business modeling; value potential; service portfolio; maintenance strategies; Systemtänk; digitalisering; affärsmodellering; värdepotential; serviceportfölj; underhållsstrategier;

    Abstract : This study aims to identify business opportunities created by digitalization. The purpose is to evaluate how these opportunities could be utilized, by identifying areas of improvements in the service portfolio. This study is a qualitative case study with an abductive approach, mainly using semi-structured interviews to collect data. READ MORE