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Design Of Observer Based Quasi Decentralized Fuzzy Load Frequency Controller for Inter Connected Power System

Anand G, Vjaya Santhi R, Rama Sudha K
2015 International Journal of Fuzzy Logic Systems  
This paper proposes Fuzzy Quasi Decentralized Functional Observers (FQDFO) for Load Frequency Control of inter-connected power systems.  ...  For supporting the validity of the proposed observer FQDFO, it is compared with full order Luenberger observer and QDFO for a two-area inter connected power system by taking parametric uncertainties into  ...  The stability of the local models aids in overall observer stability as it is a combination of the local outputs.  ... 
doi:10.5121/ijfls.2015.5404 fatcat:laemmw4eozfedbk3mua76tldoq

A literature survey on load–frequency control for conventional and distribution generation power systems

Shashi Kant Pandey, Soumya R. Mohanty, Nand Kishor
2013 Renewable & Sustainable Energy Reviews  
The various configuration of power system models and control techniques/ strategies that concerns to LFC issues have been addressed in conventional as well as distribution generation-based power systems  ...  In this paper an extensive literature review on load-frequency control (LFC) problem in power system has been highlighted.  ...  Two-area reheat thermal power system with governor dead zone(GDZ), GRC, and coordination of SMES Fuzzy logic controlled SMES stabilizer and conventional PI SMES stabilizer Without GDZ but with SMES ΔP  ... 
doi:10.1016/j.rser.2013.04.029 fatcat:x3uj56vchjfw3lr6l6f3i6giky

A comprehensive review on control techniques for stability improvement in microgrids

Sahil Mehta, Prasenjit Basak
2021 International Transactions on Electrical Energy Systems  
These 3d factors (decarbonization, decentralization, and democratization) driven by various factors like reduction in CO 2 emissions, replacement of conventional power system, cost of energy, rural electrification  ...  turbine, biomass, microturbine using CHP system, fuel cell and batteries for a storage facility, the least complex, and approachable MG was the combination of PV and battery storage units. 6 Furthermore  ...  Based on the values of gains, the control signal/output (u) is forwarded to the system. • Adaptive Neuro-Fuzzy Inference System (ANFIS) Controller: The combination of neural network and fuzzy technique  ... 
doi:10.1002/2050-7038.12822 fatcat:hqt7sk4kczfd3fetugol3x6kzy

Decentralized stable and robust fault-tolerant PI plus fuzzy control of MIMO systems: a quadruple tank case study

Himanshukumar R. Patel, Vipul A. Shah
2019 International Journal on Smart Sensing and Intelligent Systems  
The controllers are designed based on a conventional PI controller plus fuzzy inference system technique.  ...  We also present some basic aspects of decentralized control design concerning stability and performance and illustrate them on a case study: a virtual model of a quadruple tank process.  ...  Acknowledgments The authors declare that they have no conflicts of interest. The authors received no financial support for the research, authorship, and/or publication of this paper.  ... 
doi:10.21307/ijssis-2019-004 fatcat:pgifqa4vorfpblv2akizrxx42a

Load frequency control issues in multiarea power system: A Review

Nazia Kosser
2018 International Journal of Trend in Scientific Research and Development  
The modern electric grid is one the most complex man-made control systems.  ...  Many publications have been made in the area of Load frequency control (LFC) of interconnected power systems.  ...  The basic aim of decentralize controller is to frame the complex system in to a number of sub systems, and every sub system has its own controller..  ... 
doi:10.31142/ijtsrd11650 fatcat:rfjcoztamzazzclklmqfdrtugu

Multiple models and neural networks based decoupling control of ball mill coal-pulverizing systems

Tianyou Chai, Lianfei Zhai, Heng Yue
2011 Journal of Process Control  
The stability and convergence of the closed-loop system are analyzed. The proposed method has been applied to the ball mill coal-pulverizing systems of 200 MW units in a heat power plant in China.  ...  Focusing on such processes, an intelligent decoupling control method is developed, where the effects of nonlinearities are dealt with by neural network compensations and coupling effects are handled by  ...  Even if the choice of pairings is proper, the couplings between loops is still strong, satisfactory control performance can hardly be achieved by solely using decentralized control, and decoupling design  ... 
doi:10.1016/j.jprocont.2010.11.007 fatcat:cwtur5hflrezdjwkhla4pkwwv4

Analysis on various optimization techniques used for Load Frequency Control in power system

Neelamsetti Kumar, Vairavasundaram Indragandhi
2018 Serbian Journal of Electrical Engineering  
The power system with multi area consists of conventional, renewable and combination of both with some energy devices like SMES, battery sources is analyzed specifically in this manuscript.  ...  In a unified power system the Load Frequency Control (LFC) is taken for review looking at all aspects with various optimization techniques for optimizing the parameters of PI, PID and Fuzzy controllers  ...  It enlightens the changes between the centralized concept of classic LFC and the decentralized concept of conventional speed control.  ... 
doi:10.2298/sjee1803249k fatcat:onrtyrcvi5bbzi3auwvrlu56ge

Simulation of Power System based on PID Excitation Control

Hongpeng Xu, Shehui Yin
2017 Chemical Engineering Transactions  
The new fuzzy-PID controller combines the advantages of routine PID controller and fuzzy logic controller (Dou et al., 2012).  ...  And the application of the routine PID controller and fuzzy-PID controller in synchronous excitation system are studied with Simulink.  ...  Combing advantages of conventional power system stabilizer (PSS), the segmentation switch control strategy is proposed by combing PSS and MFPID further.  ... 
doi:10.3303/cet1759140 doaj:92b24753c3704559a5e8289022ec4746 fatcat:6y7tbueokjc2fiszzh6qn5zw34

Decentralized Adaptive Fuzzy Control for Reconfigurable Manipulators

Mingchao Zhu, Yuanchun Li
2008 2008 IEEE Conference on Robotics, Automation and Mechatronics  
The fuzzy logic systems are used to model the unknown dynamics of subsystem and the interconnection term. Based on Lyapunov stability theorem, the stability of the closedloop systems can be verified.  ...  A decentralized adaptive fuzzy control scheme for reconfigurable manipulators is proposed to satisfy the concept of modular software.  ...  Shi of University of California, San Diego for their valuable comments and helpful suggestions. This work was financially supported by the National Natural Science Foundation of China (60674091).  ... 
doi:10.1109/ramech.2008.4681387 dblp:conf/ram/ZhuL08 fatcat:rpzni6mp4vdcjpwh3v3jtswcz4

Challenges and Opportunities of Load Frequency Control in Conventional, Modern and Future Smart Power Systems: A Comprehensive Review

Hassan Alhelou, Mohamad-Esmail Hamedani-Golshan, Reza Zamani, Ehsan Heydarian-Forushani, Pierluigi Siano
2018 Energies  
Power systems are the most complex systems that have been created by men in history. To operate such systems in a stable mode, several control loops are needed.  ...  In this survey, the used LFC models for diverse configurations of power systems are firstly investigated and classified for both conventional and future smart power systems.  ...  A robust stabilizing control method based on the Riccati equation is proposed in [224] by combining the Lyapunov stability theory, and matching conditions and considering uncertainties.  ... 
doi:10.3390/en11102497 fatcat:6jkkhdn36vg7nf2at6gpab7klu

Stability Enhancement in Multi-Machine Power Systems by Fuzzy-based Coordinated AVR-PSS

Rahmat Khezri, Hassan Bevrani
2015 International Journal of Energy Optimization and Engineering  
This paper presents performance of intelligent fuzzy-based coordinated control for Automatic Voltage Regulator (AVR) and Power System Stabilizer (PSS) , to prevent losing synchronism after major sudden  ...  Abstract: This paper presents performance of intelligent fuzzy-based coordinated control for Automatic Voltage Regulator (AVR) and Power System Stabilizer (PSS), to prevent losing synchronism after major  ...  ACKNOLEDGEMENTS The authors would like to thank Mr H.Golpira and Mr P.Daneshamand for their valuable technical assistance. VII.  ... 
doi:10.4018/ijeoe.2015040103 fatcat:46y76vp7dbhmfcptepznfis66e

Coordination of Generators and Energy Storage to Smooth Power Fluctuations for Multi-Area Microgrid Clusters: A Robust Decentralized Approach

Li Yang, Zhijian Hu
2021 IEEE Access  
In the islanded MMGCs, the uncertain and varying nature of energy provided by renewable energy resources makes the issues of frequency and tie-line power more difficulty and complexity than the traditional  ...  In response to these issues, a decentralized robust smoothing control strategy with the coordination of generators and energy storage system (ESS) is designed.  ...  In this paper, the fuzzy rule base is formed by combining the input variables of ROACE and P DG .  ... 
doi:10.1109/access.2021.3052043 fatcat:gk7mdc3oeje5jdr6psdbn64mjy

Research on vibration mechanism and control technology of building structure under earthquake action

Huimin Liang, Hongyan Gu, Guoyun Tong, Fang Liu, Yu Liu, Xing Liu, Zhen Jia, John Paul
2021 Journal of Vibroengineering  
This article develops a novel dynamically optimized and decentralized mechanism using the PID controller for the self-regulation of conventional PID controller-based method.  ...  The combination of decentralization and self-regulation is tested for a tall building structural model with 10 floors.  ...  A controller model was proposed by the authors in [18] by combining the tan hyperbolic function and the sliding mode terminal in order to obtain stabilized outcomes while avoiding chattering.  ... 
doi:10.21595/jve.2021.22090 fatcat:e4w3r6mpkrbbvgtlyz6uihu2ye

Transient Stability Improvement of Power System Using Non-Linear Controllers

Rekha Chaudhary, Arun Kumar Singh
2014 Energy and Power Engineering  
By Direct Feedback Linearization (DFL) technique robust non-linear excitation controller is designed which will achieve stability enhancement and voltage regulation of power system.  ...  Simulated results carried out on a single machine infinite bus power system model which shows the enhancement of transient stability regardless of the fault and changes in network parameters.  ...  FLC has emerged as one of the most active and effective approaches to control the complex system such as power systems [6] [7] [8] .  ... 
doi:10.4236/epe.2014.61002 fatcat:u6tlhbtv3nfedao7zojn2jptbm

A New Approach to Fuzzy Control of Interconnected Systems

Magdi S. Mahmoud, Manar M. Sabry, Salah G. Foda
2002 Systems Analysis Modelling Simulation  
An array of feedback fuzzy controllers is then designed to ensure the asymptotic stability of the closed loop system.  ...  This paper develops a new approach to the control of interconnected system using fuzzy system theory.  ...  I would like to thank my wife Rafah for her love, evaluation, care and understanding during the preparation of the paper, specifically for our time in Seoul.  ... 
doi:10.1080/716067175 fatcat:7jo2nmqdanhsxetygfbvly4c5i
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