Human-free offshore lifting solutions

Leimeister, Mareike and Balaam, Toby and Causon, Paul and Cevasco, Debora and Richmond, Mark and Kolios, Athanasios and Brennan, Feargal (2018) Human-free offshore lifting solutions. In: Global Wind Summit 2018 - WindEurope Conference and WindEnergy Hamburg, 2018-09-25 - 2018-09-28.

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Abstract

Current offshore wind turbine lifting procedure: -single elements weighing up to hundreds of tonnes and lifted to heights of 100 meters; Current offshore wind turbine lifting procedure: -risks to personnel, assets, and the environment during installation and maintenance interventions. Objectives: -increase safety during offshore lifts; Objectives: -solutions for human-free lifting operations. Methodology: -ranking and selection of most promising concepts based on a multi-criteria decision analysis with 38 survey responses weighting 21 decision criteria; Methodology: -logistics: development of a MATLAB-based code for choosing pre-assembly method to optimise installation time, lifted weight, and number of lifts; Methodology: - connections: high potential of automated bolting and sea fastening solutions to increase safety during transport and speed up the process; Methodology: -guidance and control: design and small-scale test of a multidirectional mechanical guiding element in combination with visual guidance by cameras.

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