Yaw Control for 20MW offshore multi rotor system

Euan MacMahon*, Adam Stock, Peter Jamieson, Bill Leithead

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)


A Simulink model of a 20MW multi rotor system (MRS) is built containing all the necessary detail to demonstrate yaw control for a novel yawing technique. The aerodynamics of each rotor are based on blade element momentum theory summed across a single actuator with the rotor and power conversion system modelled as a lumped mass model. A yaw controller is designed which operates by manipulating the thrusts of the rotors. The feasibility of this yaw mechanism is demonstrated by implementing it at wind speeds of 8m/s, 11m/s and 15m/s. At each wind speed the system remained stable with the yaw error kept within a maximum of 5 degrees over a two hour period.

Original languageEnglish
Title of host publicationEuropean Wind Energy Association Annual Conference and Exhibition 2015
Number of pages8
ISBN (Print)9781510819931
Publication statusPublished - 2015
EventEuropean Wind Energy Association Conference and Exhibition 2015 - Paris, France
Duration: 17 Nov 201520 Nov 2015


ConferenceEuropean Wind Energy Association Conference and Exhibition 2015
Abbreviated titleEWEA 2015


  • Multi rotor system
  • Yaw control

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Management, Monitoring, Policy and Law


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