Fuzzy Logic Approach Based Novel Frequency Control Strategy by Wind Turbine Generator in a Wind-Diesel Autonomous Microgrid

Author(s):  
Laxman Bhukya ◽  
Anil Annamraju ◽  
Nadiraju Srikanth
2014 ◽  
Vol 698 ◽  
pp. 168-172 ◽  
Author(s):  
Vadim Z. Manusov ◽  
Sherzod K. Khaldarov

In this paper, an adapted control scheme based on fuzzy logic approach to adjusting turbine speed so as to track the maximum power points is proposed. This scheme facilitates continuous control of wind turbine speed, adapting to the changing wind speed.


2017 ◽  
Vol 41 (6) ◽  
pp. 397-408 ◽  
Author(s):  
Djalloul Achour ◽  
Mohamed Kesraoui ◽  
Ahmed Chaib ◽  
Abdeldjalil Achour

The aim of this article is to propose an enhanced frequency regulator of a wind turbine generator associated with a flywheel applying an adaptive fuzzy proportional integral control, to supply a stand-alone load at 50 Hz. The flywheel energy storage system is used to balance the produced and consumed powers; it means the flywheel stores energy in case of power excess and delivers it in the opposite case. This power flow control stabilizes more the frequency around the set point. This hybrid renewable energy system is simulated by SIMPOWER in MATLAB Simulink software. Furthermore, performance improvement of the proposed new control is validated by the obtained satisfying results.


2014 ◽  
Vol 15 (2) ◽  
Author(s):  
Yew-Chung Chak ◽  
Renuganth Varatharajoo

ABSTRACT: The capability of navigating Unmanned Aerial Vehicles (UAVs) safely in unknown terrain offers huge potential for wider applications in non-segregated airspace. Flying in non-segregated airspace present a risk of collision with static obstacles (e.g., towers, power lines) and moving obstacles (e.g., aircraft, balloons). In this work, we propose a heuristic cascading fuzzy logic control strategy to solve for the Conflict Detection and Resolution (CD&R) problem, in which the control strategy is comprised of two cascading modules. The first one is Obstacle Avoidance control and the latter is Path Tracking control. Simulation results show that the proposed architecture effectively resolves the conflicts and achieve rapid movement towards the target waypoint.ABSTRAK: Keupayaan mengemudi Kenderaan Udara Tanpa Pemandu (UAV) dengan selamat di kawasan yang tidak diketahui menawarkan potensi yang besar untuk aplikasi yang lebih luas dalam ruang udara yang tidak terasing. Terbang di ruang udara yang tidak terasing menimbulkan risiko perlanggaran dengan halangan statik (contohnya, menara, talian kuasa) dan halangan bergerak (contohnya, pesawat udara, belon). Dalam kajian ini, kami mencadangkan satu strategi heuristik kawalan logik kabur yang melata untuk menyelesaikan masalah Pengesanan Konflik dan Penyelesaian (CD&R), di mana strategi kawalan yang terdiri daripada dua modul melata. Hasil simulasi menunjukkan bahawa seni bina yang dicadangkan berjaya menyelesaikan konflik dan mencapai penerbangan pesat ke arah titik laluan sasaran.KEYWORDS: fuzzy logic; motion planning; obstacle avoidance; path tracking; reactive navigation; UAV


2010 ◽  
Vol 130 (12) ◽  
pp. 1039-1048 ◽  
Author(s):  
Akie Uehara ◽  
Bungo Asato ◽  
Atsushi Yona ◽  
Naomitsu Urasaki ◽  
Tomonobu Senjyu ◽  
...  

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