Optimal control of a Magnus effect-based high altitude wind power production system

Milutinović, Milan and Čorić, Mirko and Deur, Joško (2013) Optimal control of a Magnus effect-based high altitude wind power production system. = Optimal control of a Magnus effect-based high altitude wind power production system. In: 8th Conference on Sustainable Development of Energy, Water and Environment Systems – SDEWES Conference, 22-27.09.2013., Dubrovnik, Hrvatska.

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Official URL: https://bib.irb.hr/prikazi-rad?&rad=671971

Abstract

The paper presents a control variables’ optimization study for a power production system comprising an airborne module in the form of a buoyant, rotating cylinder, whose rotation in a stream of high-altitude wind induces the Magnus effect-based aerodynamic lift. Through a tether, the airborne module cyclically drives the generator fixed on the ground. The optimization cost function is the average power at the generator during a continuously repeatable operating cycle. The control variables are generator-side rope force and cylinder rotation speed. The optimization is based on a multi-phase problem formulation, where operation is divided into ascending and descending phases, with free boundary conditions and free cycle duration. The presented simulation results show that significant power increase can be achieved by using the obtained optimal control action instead of the initial, empirically based control strategy. A brief analysis is also given to provide a physical interpretation of the optimal control results.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): high altitude wind energy, Magnus effect, optimal control, simulation, analysis
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 900 Department of Robotics and Production System Automation > 910 Chair of Engineering Automation
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 20 Sep 2016 06:31
Last Modified: 12 Sep 2018 07:44
URI: http://repozitorij.fsb.hr/id/eprint/6413

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