MUMBAI, India, June 26 -- Intellectual Property India has published a patent application (202641072571 A) filed by Dr. Arun Balaji Parameswaran; Abishek Prabhu M A; K Nelson; Sri Nikesh; Shakti Ganesh; Thillai Ram; Ponraj. M; and Sujith. S. S on June 11, 2026, for Foolproof Wind Vane Tracking System With Active Alignment Verification For Wind Turbines.
Inventors include Dr. Arun Balaji Parameswaran; Abishek Prabhu M A; K Nelson; Sri Nikesh; Shakti Ganesh; Thillai Ram; Ponraj. M; and Sujith. S. S.
The application for the patent was published on June 19, 2026, under issue no. 25/2026.
Abstract: FOOLPROOF WIND VANE TRACKING SYSTEM WITH ACTIVE ALIGNMENT VERIFICATION FOR WIND TURBINES Abstract: The present invention relates to a foolproof wind vane tracking system that ensures a wind turbine remains optimally aligned against the wind, even during sudden and radical direction changes. Traditional wind vanes suffer from signal lag and mechanical wear, leading to delayed tracking and reduced efficiency. To solve this, the proposed wind vane uses a non-contact sensor array combining dual Infrared (IR) and Ultrasonic sensors to provide instant, real-time tracking across 360 degrees. In addition to this existing tracking mechanism, the proposed method features an integrated proximity sensor to actively confirm that the wind vane's alignment perfectly matches the wind turbine's actual position against the wind direction. The system maps these changes into a precise 16-sector digital logic array. By combining rapid sensing with active alignment verification, this invention provides fail-safe feedback to the turbine's yaw control system—preventing alignment failure, maximizing power generation, and protecting the turbine from structural strain. Conventional wind turbines rely on mechanical wind vanes to determine wind direction and signal the yaw control mechanism to rotate the turbine hub face-first into the wind. However, existing designs suffer from notable limitations: • Mechanical Lag and Wear: Contact-based rotary potentiometers or traditional sensors degrade over time due to friction, environmental exposure, and wear, leading to slow or delayed responses. • The "Hunting" Effect: During sudden, radical changes in wind direction, mechanical inertia causes traditional wind vanes to over-correct or oscillate, introducing errors into the yaw controller. • Lack of Direct Alignment Verification: Standard systems assume the turbine has perfectly mirrored the wind vane's signal, lacking a secondary, foolproof method to confirm that the physical alignment of the turbine hub genuinely matches the real-time direction of the wind.
Disclaimer: Curated by HT Syndication.