Editorial

摘要

This issue starts the year 2015 where we expect significant progress in the development of wind energy technology. This especially applies to offshore wind energy operation and maintenance as we start this issue with three papers on this subject. Dinwoodie, Endrerud, Hofmann, Martin, and Sperstad from the University of Strathclyde (U.K.), the University of Stavanger (Norway), SINTEF (Norway), and EDF Energy (U.K.) author the first paper. They present a model methodology and verification process for the determination of operation and maintenance costs for offshore wind farms. The next paper investigated the routing and scheduling of a maintenance fleet for offshore wind farms. Its authors are Dai, Stalhane, and Utne from the Norwegian University of Science and Technology, the Norwegian Marine Technology Institute and the Department of Marine Technology (Norway). The third paper on offshore wind is authored by Dalgic, Lazakis, and Turan from the University of Strathclyde (U.K.). They investigated the characteristics of an optimum crew transfer fleet for offshore wind farm operation and maintenance.