1. BIBA Bremer Institut für Produktion und Logistik GmbH. Robot drone for inspection of wind turbines. Available from http://www.biba.uni-bremen.de/en/news/article/roboterdrohne-zur-inspektion-von-windkraftanlagen.html.
2. WFB Wirtschaftsfürderung Bremen GmbH. A robot drone for the wind energy sector. Available from https://www.wfb-bremen.de/en/page/bremen-invest/robot-drone-for-wind-energy.
3. ASQ. Quality resources, design of experiment, 2020. Available from https://asq.org/quality-resources/design-of-experiments.
4. Introduction to the Taguchi Method