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Journal articles on the topic 'System Stability enhancement methods'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Saffarian, Alireza, and Majid Sanaye-Pasand. "Enhancement of Power System Stability Using Adaptive Combinational Load Shedding Methods." IEEE Transactions on Power Systems 26, no. 3 (2011): 1010–20. http://dx.doi.org/10.1109/tpwrs.2010.2078525.

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2

Wang, Feng, Lizheng Sun, Zhang Wen, and Fang Zhuo. "Overview of Inertia Enhancement Methods in DC System." Energies 15, no. 18 (2022): 6704. http://dx.doi.org/10.3390/en15186704.

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The modern power system is experiencing transformation from the rotational-generation-equipment-dominated system to a power-electronics-converter-dominated system, with the increasing penetration of renewable energy resources such as wind and photovoltaic. The power-electronics-based renewable generation, as well as energy storage system, can lead to the reduction of system inertia. As dc systems such as dc microgrids are attracting more attention, the low-inertia issues will challenge their stability. In this paper, a comprehensive review of inertia-enhancement methods in dc power systems is

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3

Bahloul, Wissem, Mohamed Ali Zdiri, Ismail Marouani, et al. "A Backstepping Control Strategy for Power System Stability Enhancement." Sustainability 15, no. 11 (2023): 9022. http://dx.doi.org/10.3390/su15119022.

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Secure power system operation relies extensively on the analysis of transient stability and control. The dynamics involved in power system control are often complex and nonlinear. Most of the currently existing works approach these frequent problems with nonlinear control techniques, leading to a requirement for specific controller parameter adjustments. In these veins, this paper proposes a new method for stabilizing electric power systems, using nonlinear backstepping control by optimizing the controller’s parameters. The Jaya algorithm and Genetic algorithm are utilized as a powerful meta-h

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4

Tian, Lei, Tong Wang, and Ya Miao. "Comparison of Different Methods for Fault Ride through Ability of Fixed-Speed Wind Generation Systems." Applied Mechanics and Materials 278-280 (January 2013): 1427–31. http://dx.doi.org/10.4028/www.scientific.net/amm.278-280.1427.

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In recent years, with the increasing of wind farm's capacity, requirements of the ability of fault ride through for wind farm are getting more and more stringent. The article analyzes the methods improving the low voltage ride through capability of the constant speed constant frequency wind power generation system. Static Synchronous Compensator (STATCOM) and Series Dynamic Breaking Resistor (SDBR) have recently been reported as stabilization methods for fixed-speed wind generator systems. Simulation results demonstrate that the STATCOM is a cost-effective solution for transient stability enha

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5

Zalina, Kamis, Ruddin Ab. Ghani Mohd, Nizam Kamarudin Muhammad, Nizam Mohd Shah Hairol, and Zanariah Jano. "A Review on SVC control for power system stability with and without auxiliary controller." Bulletin of Electrical Engineering and Informatics 8, no. 3 (2019): 761–68. https://doi.org/10.11591/eei.v8i3.1318.

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Since the beginning of the last century, power system stability has been recognized as a vital problem in securing system operation. Power system instability has caused many major blackouts. This paper reviewed the previous technical works consisting of various methods of optimization in controlling power system stability. The techniques presented were compared to optimize the control variables for optimization of power system stability. Power system stability enhancement has been investigated widely in literature using different ways. This paper is focusing on SVC performance for enhancing po

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6

Dixit, Shishir, Laxmi Srivastava, Ankita Singh, and Ganga Agnihotri. "Optimal Placement of TCSC For Enhancement of Power System Stability Using Heuristic Methods: An Overview." International Journal of Hybrid Information Technology 8, no. 6 (2015): 367–74. http://dx.doi.org/10.14257/ijhit.2015.8.6.35.

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7

RUSINA, Y.O., and V.G. NORETS. "Management mechanism of the financial stability system at the enterprise." Market Relations Development in Ukraine №7-8(218-219)2019 149 (September 19, 2019): 86–93. https://doi.org/10.5281/zenodo.3448280.

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The subject of the study is the theoretical and methodological foundations of the mechanism of financial sustainability management at the enterprise. The purpose of the study is to analyze the process of managing the financial sustainability system at the enterprise. Research methods. The methodological approaches to the definition of the concept of "financial stability" of the enterprise are investigated, using general scientific and special methods of research of the process of management of the system of financial stability. Results of work. Under the current conditions of the fin

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8

Sycheva, V. O., and A. V. Churikov. "The lithium-manganese spinels: the methods of enhancement of their stability and power intensity." Electrochemical Energetics 9, no. 4 (2009): 175–87. http://dx.doi.org/10.18500/1608-4039-2009-9-4-175-187.

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The methods of increasing performances of cathode materials based on lithium-manganese spinel are discussed in this review. Next questions are examined: the reasons of LiMn2O4 degradation and the basic variants of problem solving including the doping of spinel matrix by metal cations; the substitution of oxygen in system Li–Mn–O by another anions; the creation of protective shell on the surface of particles; the preparation of different composites. The possibility of working substitution's spinel matrixes in 5 V domain are demonstrated. The synthetic methods of stable and power-consuming lithi

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9

Latha, S., and C. Kala Rani. "Transient Stability Improvement with Unified Power Flow Controller Using Fuzzy Logic and ANFIS Approach." Advanced Materials Research 768 (September 2013): 378–87. http://dx.doi.org/10.4028/www.scientific.net/amr.768.378.

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Transient stability is an important aspect in planning and operation of an electric power system. The application of Fuzzy logic and Adaptive Neuro Fuzzy Inference System (ANFIS) approach to power system problems has received increased attention in recent years. This paper investigates the fuzzy logic based Unified Power Flow Control (UPFC) methods namely in-phase voltage control and quadrature voltage control in improving transient stability of power system using energy function method. The potential of the two control methods in transient stability enhancement is identified in Single Machine

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10

Liu, Mingyue, Rui Tu, Qiushi Chen, et al. "Study of Fast and Reliable Time Transfer Methods Using Low Earth Orbit Enhancement." Remote Sensing 16, no. 11 (2024): 2044. http://dx.doi.org/10.3390/rs16112044.

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The Global Navigation Satellite System (GNSS) can be utilized for long-distance and high-precision time transmission. With the ongoing development of low Earth orbit (LEO) satellites and the rapidly changing geometric relationships between them, the convergence rate of ambiguity parameters in Precise Point Positioning (PPP) algorithms has increased, enabling fast and reliable time transfer. In this paper, GPS is used as an experimental case, the LEO satellite constellation is designed, and simulated LEO observation data are generated. Then, using the GPS observation data provided by IGS, a LEO

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11

Pyun, Beom-Joon, Chul-Woo Moon, Chang-Hyun Jeong, and Do-Hyun Jung. "Development of High Precision Vehicle Dynamic Model with an Intelligent Torque Transfer System (All-Wheel Drive System)." MATEC Web of Conferences 167 (2018): 02011. http://dx.doi.org/10.1051/matecconf/201816702011.

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High precision vehicle simulation environment is required for development of control system of any newly suggested intelligent system. Hence, a high precision full-vehicle simulation environment integrated with an intelligent torque transfer system should be developed for an advanced control logic for enhancement of vehicle stability. In the perspective of making enhanced AWD system, there are many kinds of methods to make the system. And a controller part of the AWD module is regarded as a major part of the system development in consideration of enhancement of the vehicle stability with the s

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12

Zhao, Chuanyong, and Yuan Xi. "Real-time Fault Detection and Stability Enhancement Mechanism Based on Large Models." International Journal of Emerging Technologies and Advanced Applications 2, no. 2 (2025): 1–12. https://doi.org/10.62677/ijetaa.2502132.

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This paper proposes a framework for real-time fault detection using large models, which rapidly identifies potential faults through system log and operational data analysis, triggering stability enhancement mechanisms. The research designs a self-supervised learning algorithm that enables large models to continuously improve detection accuracy in dynamic environments. The method adopts a transformer architecture and attention mechanism to capture temporal dependencies and complex patterns in system behavior. Through comparison with traditional methods, we validate the advantages of the propose

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13

Shadi, Munshi, Azam Sufyan, and Gadoori Mohammad. "Design and Evaluation of a Suspension System with Variable Parameters." International Journal of Innovative Technology and Exploring Engineering (IJITEE) 9, no. 12 (2020): 107–12. https://doi.org/10.35940/ijitee.L7930.1091220.

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Suspension systems are designed for the increase in comfort and stability in vehicles while driving. Parameter changes in these systems affect overall performance. Researchers are continuously working on the performance enhancement of suspension systems by designing dampers of variable damping coefficient. In this research work a quarter car model suspension system was developed to demonstrate experimentally the influence of changing the damping coefficient, the stiffness, and the loading level to fully understand the allowable combination of parameters for a smoother ride. A variety of differ

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14

Chen, Bor-Sen, Xiangyun Lin, Weihai Zhang, and Tianshou Zhou. "On the System Entropy and Energy Dissipativity of Stochastic Systems and Their Application in Biological Systems." Complexity 2018 (December 4, 2018): 1–18. http://dx.doi.org/10.1155/2018/1628472.

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This study discusses the relationship between the entropy and the dissipativity of stochastic systems under the background of biological systems. First, measurement methods of the system entropy and energy dissipativity of linear stochastic biological systems are introduced. We found that the system entropy is negatively proportional to the energy dissipativity in logarithmic scale. Some opposite effects between system entropy and energy dissipativity are also discussed and compared based on their measured values to get insight into the understanding of the system mechanisms and the system cha

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15

Wray, A. W., D. T. Papageorgiou, and O. K. Matar. "Electrified coating flows on vertical fibres: enhancement or suppression of interfacial dynamics." Journal of Fluid Mechanics 735 (October 24, 2013): 427–56. http://dx.doi.org/10.1017/jfm.2013.505.

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AbstractWe investigate the evolution and stability of a wetting viscous fluid layer flowing down the surface of a cylinder, and surrounded by a conductive gas. The inner cylinder is an electrode kept at constant voltage, and a second, concentric electrode encloses the system whose potential is allowed to vary spatially. This induces electrostatic forces at the interface in competition with surface tension and viscous stresses. Asymptotic methods are used to derive a long-wave axisymmetric model governing the interfacial position and charge density. The resulting system of equations is investig

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16

Luo, Yuhong, and Geyu Chen. "Research on accuracy enhancement methods for highway slope deformation monitoring based on the BeiDou system." PLOS One 20, no. 7 (2025): e0328158. https://doi.org/10.1371/journal.pone.0328158.

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To address the issue of low accuracy caused by multipath effects in BeiDou satellite-based slope monitoring, this study proposes a multipath error mitigation technique based on the BeiDou Navigation Satellite System (BDS). By introducing a real-time error correction mechanism, the proposed method significantly reduces the impact of multipath effects on positioning accuracy and deformation monitoring precision. The research methodology comprises multipath effect analysis and modeling, a real-time error correction mechanism based on correction signals, and further enhancement of accuracy and sta

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17

Danish, Mir Sayed Shah, Atsushi Yona, and Tomonobu Senjyu. "A Review of Voltage Stability Assessment Techniques with an Improved Voltage Stability Indicator." International Journal of Emerging Electric Power Systems 16, no. 2 (2015): 107–15. http://dx.doi.org/10.1515/ijeeps-2014-0167.

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Abstract A blackout can take place in entire power system or a part of the system due to extreme voltage instability (voltage collapse) that can appear abruptly. Instability prediction and continuous monitoring of the power system performance is, therefore, known exigent. This paper is conducted with a broad overview of the voltage stability indices, which are previously studied in the literature, and have the same foundation during their formulation. Afterward, an improved voltage stability indicator is introduced as a result of the multi-criteria integration and enhancement of the original i

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18

Kim, Dong Hyun, Sung Ho Hwang, and Hyun Soo Kim. "Advanced Active Safety System Using Separated Front and Rear Motor Control for a 4WD Hybrid Electric Vehicle." Solid State Phenomena 120 (February 2007): 223–28. http://dx.doi.org/10.4028/www.scientific.net/ssp.120.223.

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Vehicle stability in 4 wheel drive(4WD) vehicles has been pursued by torque split based technology and brake based technology. The brake based methods are essentially brake maneuver strategies using the active control of the individual wheel brake. By comparison, the torque split based technologies realize stability by varying the traction torque split through powertrain to create an offset yaw moment. In the 4WD hybrid electric vehicle adopting separate front and rear motor, the vehicle stability enhancement algorithm using the rear motor control has some advantages such as faster response, b

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19

Kamis, Zalina, Mohd Ruddin Ab.Ghani, Muhammad Nizam Kamarudin, Hairol Nizam Mohd Shah, and Jano Zanariah. "A Review on SVC control for power system stability with and without auxiliary controller." Bulletin of Electrical Engineering and Informatics 8, no. 3 (2019): 761–68. http://dx.doi.org/10.11591/eei.v8i3.1318.

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Since the beginning of the last century, power system stability has been recognized as a vital problem in securing system operation. Power system instability has caused many major blackouts. This paper reviewed the previous technical works consisting of various methods of optimization in controlling power system stability. The techniques presented were compared to optimize the control variables for optimization of power system stability. Power system stability enhancement has been investigated widely in literature using different ways. This paper is focusing on SVC performance for enhancing po

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20

Setiadi, Herlambang, Rakibuzzaman Shah, Md Rabiul Islam, et al. "An Extreme Learning Machine Based Adaptive VISMA for Stability Enhancement of Renewable Rich Power Systems." Electronics 11, no. 2 (2022): 247. http://dx.doi.org/10.3390/electronics11020247.

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Maintaining power system stability in renewable-rich power systems can be a challenging task. Generally, the renewable-rich power systems suffer from low and no inertia due to the integration of power electronics devices in renewable-based power plants. Power system oscillatory stability can also be affected due to the low and no inertia. To overcome this problem, additional devices that can emulate inertia without adding synchronous machines can be used. These devices are referred to as virtual synchronous machines (VISMA). In this paper, the enhancement of oscillatory stability of a realisti

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21

Li, Si Yu, Jia Dong Huang, and Cui Ma. "Research on Dynamic Stability Improvement by Using STATCOM in Power System." Advanced Materials Research 960-961 (June 2014): 1124–27. http://dx.doi.org/10.4028/www.scientific.net/amr.960-961.1124.

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Nowadays, unbalanced loads or nonlinear loads produce a bad effect on the power quality of utility mains. Also, it is necessary for reactive power to be compensated because the most of industrial loads is inductive and make a lagging displacement power factor. Reactive power compensation utilizing STATCOM is one of the most important methods to improve power quality. In this paper, the technical feature of STATCOM is introduced and then a comparison with SVC is made. The effect of STATCOM on static voltage stability in power systems has been studied. Based on PSD-BPA software, effect of STATCO

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22

Táczi, I., and I. Vokony. "Review of Stability Analysis in Power Systems with High Penetration of Non-synchronous Generation." Renewable Energy and Power Quality Journal 20 (September 2022): 685–89. http://dx.doi.org/10.24084/repqj20.402.

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Sustainability goals basically change the power generation portfolio, as the renewable energy resources developing rapidly. This means system integration challenges for system operators, as these new resources have different attributes. Most of the emerging generation technologies connect to the grid via power electronic converters, therefore does not contribute inherently to the system’s rotational inertia. However, advanced control methods became a progressive research area, where many practical pilots deliver valuable results and discussions nowadays. These stability enhancement techniques

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23

Astuti, Sri Poernomo Sari, Kaprawi Sahim, Ario Geraldi, and Barlin Oemar. "The Investigation of Thermoacoustic Methods for Nanofluid Stability on Heat Exchanger." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 109, no. 1 (2023): 114–25. http://dx.doi.org/10.37934/arfmts.109.1.114125.

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Due to various engineering applications, nanofluids have gained much attention in the last decade. A Nanofluid is a nanometer-sized particle such as metal, oxide, carbide, etc., dispersed into a base heat transfer fluid. The heat exchanger is a device to transfer heat between fluids. Heat exchanger plays a very important role in modern industry. The new innovative fluid called nanofluid is introduced to improve the overall heat transfer and heat transfer rate. Thermoacoustic is a system which uses sound waves and a non-flammable mixture of inert gases to generate an effect. This paper investig

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24

Abubakar, Aliyu, and Mohammad Buhari Mohammad. "Genetic Algorithm Optimization of Power Transfer Limit for Enhancement of Stability of Power System." International Journal of Research and Innovation in Applied Science IX, no. VI (2024): 523–29. http://dx.doi.org/10.51584/ijrias.2024.906046.

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The work presents the Genetic Algorithm (GA) as an innovative method for optimizing power transfer limits to improve the stability of power systems. This is especially important given the increasing integration of renewable energy and the growing complexity of power networks. Traditional static threshold methods often lead to inefficiencies and instability during periods of high demand or fluctuating renewable generation. The GA tackles these challenges by representing potential solutions as chromosomes that evolve over successive generations through processes inspired by natural selection. Th

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Hu, Nuochuan. "The Limitations of Traditional PID Controllers and Modern Optimization Methods." Applied and Computational Engineering 147, no. 1 (2025): 238–44. https://doi.org/10.54254/2755-2721/2025.22912.

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The Proportional-Integral-Derivative (PID) controller, due to its simple structure and strong robustness, is widely used in industrial control systems. However, as industrial control environments grow more complex, traditional PID controllers encounter challenges like fixed parameters and difficulty adapting to nonlinear systems. In response, various improvement strategies have been proposed in recent years, such as optimization algorithms, adaptive control, and machine learning methods, all aimed at enhancing the performance and adaptability of PID control. The study investigates the limitati

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26

Bharti, Vijay Anand, and Rohit Gupta. "STUDY ON POWER ENHANCEMENT TECHNOLOGIES OF INVERTERS IN PV WIND ENERGY SYSTEMS." SMART MOVES JOURNAL IJOSCIENCE 4, no. 12 (2018): 5. http://dx.doi.org/10.24113/ijoscience.v4i2.185.

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For energy systems in remote and remote communities, an autonomous energy system based on renewable energy can be a particularly interesting and economically advantageous solution, since the expansion of the network is often impractical due to economic and technical constraints. The driving force and main causes of voltage instability are analyzed. Different methods and devices used to enhance voltage stability are also explained. The steady-state and dynamic modelling of the power system devices including wind generators and photovoltaic units have been discussed.

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27

Ashar, Fareeaa, Asif Ansari Shaik Mohammed, and S. Selvamuthukumar. "Enhancement of oral bioavailability of ibrutinib using a liposil nanohybrid delivery system." PLOS ONE 19, no. 9 (2024): e0310492. http://dx.doi.org/10.1371/journal.pone.0310492.

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Liposils, synthesized via the liposome templating method, offer a promising strategy for enhancing liposome stability by employing a silica coating. This study focuses on the development of nanocarriers utilizing silica-coated nanoliposomes for encapsulating the poorly water-soluble drug, ibrutinib. Ibrutinib-loaded nanoliposomes were meticulously formulated using the reverse-phase evaporation technique, serving as templates for silica coating, resulting in spherical liposils with an average size of approximately 240 nanometers. Comprehensive characterization of the liposil’s physical and chem

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28

Wan, Zeyuan. "Optimization of Decoupling Technology for Control and Stability Enhancement in Photovoltaic Inverters." Applied and Computational Engineering 123, no. 1 (2025): 255–61. https://doi.org/10.54254/2755-2721/2025.19607.

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In solar power systems, photovoltaic (PV) inverters play a crucial role in converting DC power generated by solar panels into AC power for grid integration. The development of decoupling technologies is essential for enhancing system efficiency, ensuring stable operation, and prolonging equipment lifespan. This paper begins by outlining the application context and theoretical foundations of decoupling technology in PV inverters, emphasizing its potential advantages in reducing weight, enhancing overcurrent protection capabilities, and improving system reliability. The paper then addresses the

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29

Behzadpoor, Saeed, Iraj Faraji Davoudkhani, Almoataz Youssef Abdelaziz, Zong Woo Geem, and Junhee Hong. "Power System Stability Enhancement Using Robust FACTS-Based Stabilizer Designed by a Hybrid Optimization Algorithm." Energies 15, no. 22 (2022): 8754. http://dx.doi.org/10.3390/en15228754.

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Improving the stability of power systems using FACT devices is an important and effective method. This paper uses a static synchronous series compensator (SSSC) installed in a power system to smooth out inter-area oscillations. A meta-heuristic optimization method is proposed to design the supplementary damping controller and its installation control channel within the SSSC. In this method, two control channels, phase and magnitude have been investigated for installing a damping controller to improve maximum stability and resistance in different operating conditions. An effective control chann

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30

Abdeen, Mohamed, Saleh Al Dawsari, Mahmoud A. El-Dabah, et al. "Doubly Fed Induction Generator Frequency Regulation Enhancement Using Combined Inertia and Proportional Resonant Controller." Processes 13, no. 5 (2025): 1284. https://doi.org/10.3390/pr13051284.

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Power systems are currently undergoing a transition from centralized synchronous generators to decentralized non-synchronous generators that rely on renewable energy sources. This shift poses a challenge to system operators, as the high penetration levels of renewable energy introduce variability and changes in the physics of power systems. Load-frequency control is one of the biggest challenges faced by electrical grids, especially with increased wind energy penetration in recent years. The inertial controller is one of the methods used to support system frequency in variable-speed wind turbi

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31

Abdullah, Aws Mahmood, Ali Mohsin Kaittan, and Mustafa Sabah Taha. "Evaluation of the stability enhancement of the conventional sliding mode controller using whale optimization algorithm." Indonesian Journal of Electrical Engineering and Computer Science 21, no. 2 (2021): 744. http://dx.doi.org/10.11591/ijeecs.v21.i2.pp744-756.

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The proposed work is an attempt to investigate the stability of the nonlinear system by using a whale optimization algorithm as of one of the meta-heuristic optimization methods, and this investigation was conducted on a single inverted pendulum as a study model. The evaluation measures which were used in this article values of gain and sliding surface of the conventional sliding mode controller to illustrate the extent of the system`s stability. Furthermore, control action, the relationship between error and its derivative, desired, and actual position in addition to sliding response graphica

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32

Abdullah, Aws Mahmood, Ali Mohsin Kaittan, and Mustafa Sabah Taha. "Evaluation of the stability enhancement of the conventional sliding mode controller using whale optimization algorithm." Indonesian Journal of Electrical Engineering and Computer Science 21, no. 2 (2021): 744–56. https://doi.org/10.11591/ijeecs.v21.i2.pp744-756.

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The proposed work is an attempt to investigate the stability of the nonlinear system by using a whale optimization algorithm as of one of the metaheuristic optimization methods, and this investigation was conducted on a single inverted pendulum as a study model. The evaluation measures which were used in this article values of gain and sliding surface of the conventional sliding mode controller to illustrate the extent of the system`s stability. Furthermore, control action, the relationship between error and its derivative, desired, and actual position in addition to sliding response graphical

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33

Gopi R. "Cyber-Physical System Defense Against Structured False Data Injection Attacks Using an Adaptive Security Framework with Passivity Enhancement." Journal of Information Systems Engineering and Management 10, no. 43s (2025): 234–44. https://doi.org/10.52783/jisem.v10i43s.8360.

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System integrity, operation, and significant breakdowns can be compromised by coordinated False Data Injection Attacks (FDIAs), which are increasingly prevalent in Cyber-Physical Systems (CPS). Because they are dynamic and constantly evolving, these threats often bypass traditional security controls. The prompt identification of complex FDIAs, the reduction of anomaly detection false positives, and the maintenance of system stability in hostile environments are some important problems tackled. The Passivity-Enhanced Adaptive Security Framework (PEASF) is introduced in this work as a mechanism

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Khan, Ismail Akbar, Ali S. Alghamdi, Touqeer Ahmed Jumani, Arbab Alamgir, Ahmed Bilal Awan, and Attaullah Khidrani. "Salp Swarm Optimization Algorithm-Based Fractional Order PID Controller for Dynamic Response and Stability Enhancement of an Automatic Voltage Regulator System." Electronics 8, no. 12 (2019): 1472. http://dx.doi.org/10.3390/electronics8121472.

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Owing to the superior transient and steady-state performance of the fractional-order proportional-integral-derivative (FOPID) controller over its conventional counterpart, this paper exploited its application in an automatic voltage regulator (AVR) system. Since the FOPID controller contains two more control parameters (µ and λ ) as compared to the conventional PID controller, its tuning process was comparatively more complex. Thus, the intelligence of one of the most recently developed metaheuristic algorithms, called the salp swarm optimization algorithm (SSA), was utilized to select the opt

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35

Akkur, Malatesh S., Swati Singh, Amandeep Gill, and Vinod Mansiram Kapse. "The consequences and barriers of power system voltage stability in the integration of solar and wind energy: An in-depth analysis." Multidisciplinary Reviews 6 (April 17, 2024): 2023ss052. http://dx.doi.org/10.31893/multirev.2023ss052.

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Wind and solar energy production is intermittent and variable, causing voltage fluctuations in the power system. These fluctuations can affect supply and demand balance, leading to voltage instability. In some cases, integrating solar and wind energy can result in overvoltage or undervoltage conditions, which can negatively impact the power grid's operation. The research examines the effects and challenges of integrating wind and solar energy into power grids, concentrating in particular on issues with voltage stability. The investigation explores fundamental issues like voltage stability-base

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Forhad, Mohammad, Mehedi Hasan Shakil, Md Rashidul Islam, and Md Shafiullah. "LFO Damping Enhancement in Multimachine Network Using African Vulture Optimization Algorithm." Journal of Energy and Power Technology 06, no. 01 (2024): 1–18. http://dx.doi.org/10.21926/jept.2401003.

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The prolonged presence of low-frequency oscillation (LFO) in power system networks (PSN) poses a significant threat to their stability. Hence, engineers and researchers have continuously developed effective strategies to mitigate the issue and enhance the stability of the PSN. This article proposes a new approach using the African Vultures Optimization Algorithm (AVOA) to design robust Power System Stabilizers (PSS) and enhance the LFO damping in multi-machine networks. The damping ratio-based objective function minimizes the oscillations and increases the system damping. Conventional power sy

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Eid, Doaa, Said Elmasry, Adel El Samahy, Farag Elnagahy, and Erhab Youssef. "Frequency control enhancement for hybrid microgrid using multi-terminal multi-function inverter." International Journal of Renewable Energy Development 13, no. 4 (2024): 683–96. http://dx.doi.org/10.61435/ijred.2024.60144.

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Renewable energy sources (RESs) are considered a crucial energy transformation to reduce carbon emissions, so more RESs are being integrated into contemporary power systems. Power electronic converters are extensively utilized to connect power grids with renewable generators to manage the fluctuations and unpredictability of these renewable energy sources. This paper introduces a multi-terminal multi-function inverter (MT-MF) designed for a battery energy storage system (BESS) to maintain the frequency stability of a hybrid microgrid (MG). The MG comprises a photovoltaic generation system, a d

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38

Hsia, Chih-Hsien, Zi-Han Yang, Hong-Jyun Wang, and Kuei-Kuei Lai. "A New Enhancement Edge Detection of Finger-Vein Identification for Carputer System." Applied Sciences 12, no. 19 (2022): 10127. http://dx.doi.org/10.3390/app121910127.

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Developments in multimedia and mobile communication technologies and in mobilized, personalized information security has benefitted various sectors of society, as traditional identification technologies are often complicated. In response to the sharing economy and the intellectualization of automotive electronics, major automobile companies are using biometric recognition to enhance the safety, uniqueness, and convenience of their vehicles. This study uses a deep learning-based finger-vein identification system for carputer systems. The proposed enhancement edge detection adapts to the detecte

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Ogbondamati, Lloyd Endurance. "Evaluation of Gimbal Attitude Control of a Space Rocket System Using CNN-PID." Research and Applications: Embedded System 8, no. 1 (2024): 1–15. https://doi.org/10.5281/zenodo.14215194.

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<em>This study evaluates the effectiveness of a Convolutional Neural Network-based Proportional-Integral-Derivative (CNN-PID) control system for gimbal attitude management in rocket systems, focusing on enhancing performance during critical flight phases. The primary purpose is to improve the responsiveness, accuracy, stability, and fuel efficiency of gimbal control compared to traditional PID methods. The problem addressed is the limitations of conventional gimbal control, particularly in dynamic environments, which can result in significant control errors and inefficient fuel usage. To achie

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Habib, Salman, Ghulam Abbas, Touqeer A. Jumani, Aqeel Ahmed Bhutto, Sohrab Mirsaeidi, and Emad M. Ahmed. "Improved Whale Optimization Algorithm for Transient Response, Robustness, and Stability Enhancement of an Automatic Voltage Regulator System." Energies 15, no. 14 (2022): 5037. http://dx.doi.org/10.3390/en15145037.

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The proportional integral derivative (PID) controller is one of the most robust and simplest configuration controllers used for industrial applications. However, its performance purely depends on the tuning of its proportional (KP), integral (KI) and derivative (KD) gains. Therefore, a proper combination of these gains is primarily required to achieve an optimal performance of the PID controllers. The conventional methods of PID tuning such as Cohen-Coon (CC) and Ziegler–Nichols (ZN) generate unwanted overshoots and long-lasting oscillations in the system. Owing to the mentioned problems, this

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Getahun, Esubalew Fikru, Asefa Sisay Yimer, and Wondwossen Astatike Haile. "Distribution Network Performance Enhancement Through Optimal Sizing and Placement of D-STATCOM using Particle Swarm Optimization Technique (case study-Woldya Distribution Network)." Engineering World 6 (December 10, 2024): 264–76. https://doi.org/10.37394/232025.2024.6.29.

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This article presents the use of distribution static synchronous compensator (D-STATCOM) to improve distribution network performance by maintaining voltage profile, stability and reducing power losses. The study was conducted on a 7.2 MW Gonder ber feeder, which had an unacceptable voltage profile and high active and reactive power losses. Two methods were applied to assign the power control variables: bus-based voltage stability index analysis and particle swarm optimization (PSO). The optimal allocation was tested in different system cases. The results showed that a single installation of D-

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Serour, Nourwanda Mohamed, Ahmed Hassan El-Shazly, Dina Ahmed El-Gayar, and Shaaban Attia Nosier. "A Review on Titanium Dioxide Based Nanofluids: Synthesis and Stabilizing Techniques in Both “Pure (Single System) and Mixed (Hybrid System) Base Fluids”." Materials Science Forum 1008 (August 2020): 53–71. http://dx.doi.org/10.4028/www.scientific.net/msf.1008.53.

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Nanofluids have been an attractive field of study due to its important effect on enhancing the thermal conductivity when used in heat transfer applications. Titanium dioxide based nanofluid specifically has been a focus of study due to its distinguished properties as it results in a very good heat transfer enhancement with low viscosity and low-pressure drop while maintaining a very good stability of dispersion for a long time. Also, Titanium dioxide is relatively cheap and non-toxic so using it as a nanofluid will be more economical and safer in many industries. This review represents the mos

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Feleke, Solomon, Balamurali Pydi, Raavi Satish, Hossam Kotb, Mohammed Alenezi, and Mokhtar Shouran. "Frequency Stability Enhancement Using Differential-Evolution- and Genetic-Algorithm-Optimized Intelligent Controllers in Multiple Virtual Synchronous Machine Systems." Sustainability 15, no. 18 (2023): 13892. http://dx.doi.org/10.3390/su151813892.

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In this paper, multiple virtual synchronous machines (VISMAs) with fuzzy proportional integral derivative (FPID) controllers optimized by differential evolution (DE) are proposed to maintain frequency stability in the grid in the presence of renewable penetration, such as wind and solar photovoltaic (PV) systems, residential loads, and industrial loads, by reducing the area control error in the objective function. Simulations are conducted using MATLAB/Simulink, and in the optimization process, the integral of the time-weighted absolute error (ITAE) is used as the objective function. In the wo

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Tojiboeva, Nilufar Baxodirjon qizi. "THE IMPORTANCE OF STRESS TESTING FOR CAPITAL ADEQUANCY MANAGEMENT IN COMMERCIAL BANKS." Multidisciplinary Journal of Science and Technology 5, no. 5 (2025): 727–31. https://doi.org/10.5281/zenodo.15450492.

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This article examines the significance of stress testing as one of the key tools in capital adequacy management in the banking sector. The relevance of the topic is driven by the need to ensure the stability of commercial banks amid an unstable external environment and growing economic challenges. The paper analyses the main approaches to conducting stress testing, its objectives, methods, and its impact on managerial decision-making. Particular attention is paid to the necessity of implementing stress testing practices in Uzbek banks. The conclusion emphasizes the need for further development

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Dubey, Abhishek. "Integrating Cloud-Based Power Factor Correction with ANFIS-Controlled UPQC for Power Quality Enhancement." INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 06 (2025): 1–9. https://doi.org/10.55041/ijsrem50695.

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Abstract - The increasing presence of nonlinear loads in electrical networks has resulted in power quality degradation, including voltage instability, reactive power losses, and harmonic distortions. Traditional power factor correction (PFC) methods and unified power quality conditioners (UPQC) often rely on static or PI-based controllers, which have limitations in dynamic response and adaptability. This research proposes an integrated approach combining cloud-based automated power factor correction (APFC) and an adaptive neuro-fuzzy inference system (ANFIS)-controlled UPQC to optimize power q

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Wu, Shengjun, Dajiang Wang, Zheng Li, Wenbo Li, and Ke Xu. "Grid-Connected Key Technical Indicators and Evaluation Methods for Multi-Type Synchronous Control Equipment." Energies 18, no. 5 (2025): 1111. https://doi.org/10.3390/en18051111.

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Large photovoltaic stations, wind farms and high-voltage direct current (HVDC) transmission systems are being integrated into the grid, which is causing the stability of frequency and voltage of new power systems to decline, thereby imposing high requirements on the evaluation of power grid strength in regional grids. Taking into account the indicators of stability margin of frequency and voltage, this paper builds a key technical indicator system for the system of multi-type synchronous control equipment connected to the grid, including the equivalent inertia enhancement factor, steady-state

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Kang, Zhongjian, Longchen Li, and Hongyang Zhang. "Feedforward Control Strategy of a DC-DC Converter for an Off-Grid Hydrogen Production System Based on a Linear Extended State Observer and Super-Twisting Sliding Mode Control." Electronics 13, no. 19 (2024): 3934. http://dx.doi.org/10.3390/electronics13193934.

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With the large-scale integration of renewable energy into off-grid DC systems, the stability issues caused by their fluctuations have become increasingly prominent. The dual active bridge (DAB) converter, as a DC-DC converter suitable for high power and high voltage level off-grid DC systems, plays a crucial role in maintaining and regulating grid stability through its control methods. However, the existing control methods for DAB are inadequate: linear control fails to meet dynamic response requirements, while nonlinear control relies on detailed model structures and parameters, making the co

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Anumala, Kalpana, and Ramesh Babu Veligatla. "Axial flux machine performance enhancement using recurrent neural network controller." International Journal of Power Electronics and Drive Systems (IJPEDS) 16, no. 2 (2025): 740. https://doi.org/10.11591/ijpeds.v16.i2.pp740-750.

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Traditional control methods often face limitations in optimizing the performance of these motors, especially in complex industrial and automotive applications where precision, stability, and energy efficiency are paramount. By exploring advanced control strategies such as multi-level inverters and neural network controllers, this study aims to overcome these limitations and unlock the full potential of dual rotor axial flux induction motors. The integration of multi-level inverters enables finer control of motor operation and enhances power quality, while neural network controllers offer adapt

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Ogunbiyi, O., LM Adesina, FO Ugwute, and CT Thomas. "Enhancement of the Nigerian National Grid Performance with a FACT Compensator." Nigerian Research Journal of Engineering and Environmental Sciences 07, no. 02 (2022): 506–18. https://doi.org/10.5281/zenodo.7496649.

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<em>The Nigerian grid is faced with loss of lines and system collapse due to overloads, under-loads, and inadequate reactive power at the buses. Analysis of the power flow supported by static voltage stability condition of the system can provide an insight to the system performance indicators like voltage profile, power flows and losses. Voltage control and power loss reduction strategies are still based on mechanical methods such as synchronous generators/condensers, tap changing of transformers, switching of shunt reactors and capacitor banks, switching of transmission lines, generating unit

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Ram, Prasad Kannemadugu, Adhimoorthy V, and Lakshmi Devi A. "Optimal Allocation of Combined DG and DSTATCOM for Enhancement of Voltage Stability in Radial Distribution Networks." Indian Journal of Science and Technology 16, no. 35 (2023): 2845–55. https://doi.org/10.17485/IJST/v16i35.1042.

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Abstract <strong>Objectives:</strong> To improve the voltage profile, minimize the network power loss and enhance the stability of the Redial Distribution Systems (RDS). <strong>Methods:</strong> A novel and successful meta-heuristic method of Group Teaching Optimization (GTO) algorithm is proposed to evolve the solution of voltage stability in RDS. The effective compensating devices of DG and DSTATCOM are used for increasing the voltage profile and reducing the system losses. The VSI is also calculated to predetermine the best position of the two compensating devices <stro

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