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检索条件"任意字段=International Conference on Complex Systems: Control and Modeling Problems"

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modeling and Study of Photovoltaic Hydrogen Production System with Supercapacitor 4

Modeling and Study of Photovoltaic Hydrogen Production Syste...

引用

4th international conference on Electrical Engineering and control Technologies, CEECT 2022

作者： Wang, Liang Han, Zijiao Dong, Henan Yao, Xin Ning, Chen Ge, Yanfeng Dong, Yannan State Grid Liaoning Electric Power Co. Ltd Dispatching Control Center Shenyang China Electric Power Research Institute of State Grid Liaoning Electric Power Co. Ltd Office of the Cpc Committee Shenyang China School of Electrical Engineering Shenyang University of Technology Shenyang China Spic Chaoyang Yanshanhu Power Co. Ltd Development Department Shenyang China

ISBN: (纸本)9781665498999

Hydrogen energy is an important clean energy to alleviate the global energy crisis, and photovoltaic hydrogen production is an important way to generate hydrogen. However, due to the environmental impact, photovoltaic hydrogen production has the problem of day and night intermittency. In view of the above problems, this paper adopts the combination of photovoltaic and supercapacitor to supply power to ensure that the hydrogen production system can work uninterruptedly. The system consists of photovoltaic panels, supercapacitors, DC/DC conversion devices and electrolyzers. Under the premise of smooth power supply, a photovoltaic system control strategy and a supercapacitor constant voltage control strategy to achieve maximum power point tracking are proposed to maximize the utilization of hydrogen production in photovoltaic systems. By simulating the actual light intensity, a supercapacitor photovoltaic hydrogen production system is established in matlab/Simulink simulation software. The feasibility of the system and control strategy is verified by simulation. © 2022 IEEE.

关键词： Supercapacitor

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Research and Implementation on Dependency Relationship for Power Supply Reliability Management in Photovoltaic-Storage-Charging Station System Based on complex Risk Model

Research and Implementation on Dependency Relationship for P...

引用

international conference on Renewable Energy and Power Engineering (REPE)

作者： Leidong Yuan Qingguang Yu Xin Yao Min Guo Jialin Liu Lulu Jia Ziyang He Xiaodi Jin Dept. of E. E. Tsinghua University Beijing China Shijiazhuang Power Supply Company State Grid Hebei Electric Power Co. Ltd. Shijiazhuang China

ISBN: (数字)9798350375558

ISBN: (纸本)9798350375565

Aiming at electric vehicle (EV) cluster and distributed photovoltaic (PV) access to distribution network, a power supply reliability management (PSRM) scheme of integrated photovoltaic-storage-charging station (PVSC) system is proposed. Firstly, a complex risk model is constructed, which can effectively reflect the dependency relationship between the failure rate of distribution network nodes and state quantities such as voltage and power. Then, the optimal control scheme of PVSC is established according to the complex risk model to minimize the mathematical expectation of failure frequency and power loss. Finally, the effectiveness of the scheme is verified in case study.

关键词： Photovoltaic systems Time-frequency analysis Power supplies Optimal control Distribution networks Mathematical models Management Risk management Voltage control Load modeling

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Signal Delay Study in the Adaptive control Scheme with the Model in the Loop

Signal Delay Study in the Adaptive Control Scheme with the M...

引用

international Russian Smart Industry conference (SmartIndustryCon)

作者： G. F. Akhmedyanova T. A. Pishchukhina A. M. Pishchukhin Department of Control and Informatics in Technical Systems Orenburg State University Orenburg Russia

The paper investigates the effect of signal delays in adaptive control systems with a model in an additional loop. It is noted that such schemes are an effective tool in cases of complex organizational and technical systems. Since such systems are often represented as multi-level, the adaptation circuit in them is associated with the highest level. The reference model plays here the role of a program or management plan. Having a program, it is possible to reduce control only to the elimination of deviations from it in one direction or another. To eliminate the unstable behavior of control systems due to delays, it is proposed to apply special measures. It is necessary to select some parts of the model (patterns), search for them in the real noisy output signal of the control object and introduce a phase detector, and in complex cases even use artificial intelligence systems. The study revealed the instability of the system’s behavior, which is especially frequent when the signal lags behind the control object in relation to the model one.

关键词： Adaptation models Detectors Predictive models Search problems Mathematical models Delays Behavioral sciences

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IMC Based PID controller for Spherical Tank Liquid Level control

IMC Based PID Controller for Spherical Tank Liquid Level Con...

引用

AIML-Applications for Engineering & Technology (ICAET), international conference on

作者： C. B. Kadu V. P. Bhosale P. S. Vikhe V. V. Mandhare Department of Instrumentation & Control Engineering Pravara Rural Engineering College Loni India Department of Computer Engineering Pravara Rural Engineering College Loni India

ISBN: (数字)9798350355611

ISBN: (纸本)9798350355628

In the process industries, it's hard to control a non-linear process. Nonlinear behavior is frequently seen in real processes. The challenging problem of controlling a spherical tank is result of its nonlinearity caused by the continuously varying cross section. An IMC-based PID controller is employed to improve efficiency of controlling the level of spherical tanks which exhibit nonlinear dynamics. For processes up to second-order with dead time and first-order numerator dynamics, a single tuning parameter will be offered. The process model is determined employing mathematical modeling and standard step response-based system identification. The laboratory model of an interacting and non-interacting nonlinear system is introduced, which is capable of performing more complex tasks. To verify the effectiveness of the suggested IMC based PID controller, results of real-time experiments and a simulation study on spherical tank level control are incorporated.

关键词： Process control Real-time systems Mathematical models Regulation Nonlinear dynamical systems System identification Reliability Level control Tuning Standards

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Computer Program control System Based on Fluid Simulation Technology

Computer Program Control System Based on Fluid Simulation Te...

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Computer Simulation and modeling, Information Security (CSMIS), international conference on

作者： Zefei Yan School of Mechanics and Engineering Science Shanghai University Shanghai China

ISBN: (数字)9798350343724

ISBN: (纸本)9798350343731

Fluid simulation technology is a kind of experimental technology on the computer, through this technology, the control system can be fine design and verification. Fluid simulation techniques can provide a realistic and efficient simulation environment for control system design, in which various experiments can be performed to validate and optimize the system. In traditional control systems, various problems may occur due to the complexity and unpredictability of the design. With the help of fluid simulation technology, these problems can be found in advance and optimized in time, so as to avoid the problems in the actual operation. At the same time, fluid simulation technology can also greatly improve the efficiency of design, make the design process more efficient and accurate. This paper mainly uses the experimental and comparative methods to analyze the control system. The experimental results show that one power-on and 1000 successful program switching can meet the user's demand for data collection in the application deployment of the program control system.

关键词： Visualization Fluids Computer simulation Process control Information security Switches Data collection

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Z Source Integrated Sepic Converter with Fuzzy control for Grid Connected PV System 7

Z Source Integrated Sepic Converter with Fuzzy Control for G...

引用

7th international conference on Circuit Power and Computing Technologies, ICCPCT 2024

作者： Ramya, R. Raviteja, Pidatala Hussaini, M. Mohammdha Saravanan, N. Anantha Kavin, K.S. Rishikesh, N. ECE Saveetha School of Engineering Department of Nano Electronics Materials and Sensors Chennai India Sana Engineering College Department of Electrical and Electronics Engineering 508206 India Government College of Engineering Department of Electrical and Electronics Engineering Erode India Vel Tech Multi Tech Dr. Rangarajan Dr. Sakunthala Engineering College Department of Electrical and Electronics Engineering 600062 India Government College of Engineering Department of Electrical and Electronics Engineering Tamil Nadu Tirunelveli India Bannari Amman Institute of Technology Department of Electrical and Electronics Engineering Erode India

ISBN: (纸本)9798350372816

In order to improve the Single Ended Primary Inductor Converter's (SEPIC) voltage gain and performance, the integration approach is examined in this study. Since the present energy landscape emphasizes utilizing photovoltaic (PV) systems to their full potential in order to support carbon emissions that are as low as possible. An efficient DC-DC converter design plays a crucial part in each of these applications where they operate as power regulators. Although a large number of high-gain converter topologies have been published thus far, their structures are frequently enormous, unwieldy, and complex. Therefore, by adding a Z-source converter to SEPIC, this study offers a low-cost converter architecture that can achieve a considerable voltage gain. With their wide voltage converting range, low in-rush current, and reduced ripple current, Z-source converters are incredibly reliable. The advantages of the SEPIC converter, on the other hand, include constant input current, non-inverted output voltage polarity, and input-output isolation. The paper also includes different types of operation, voltage stress, and mathematical modeling of the proposed converter design. Furthermore, this study uses the Fuzzy Logic controller (FLC), which is efficient in providing timely and precise error compensation, to maintain the constant converter output. This proposed work has a THD Value of 1.34% when the controllers are compared and the Efficiency obtained using Z-Source SEPIC converter is 93%. © 2024 IEEE.

关键词： Error compensation

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Utilizing Genetic Algorithms for Detecting Congenital Heart Defects

Utilizing Genetic Algorithms for Detecting Congenital Heart ...

引用

E-mobility, Power control and Smart systems (ICEMPS), international conference on

作者： Sachin C. Patil Balaram Yadav Kasula Vazeer Ali Mohammed Ketan Gupta T. Thamaraimanalan Senior Software Engineer USA Dept of Information Technology University Of The Cumberlands Williamsburg KY USA Dept. of Computer & Information System Lewis University Illinois USA Department of ECE Sri Eshwar College of Engineering Coimbatore Tamil Nadu INDIA

ISBN: (数字)9798350394399

ISBN: (纸本)9798350394405

Genetic Algorithms have been more and more employed to stumble on congenital heart defects in the last variety of years. Gasoline is a computational technique that uses evolutionary concepts to optimize answers to complex problems. This study proposes the use of Genetic Algorithms as a novel approach for detecting Congenital Heart Defects a common and potentially life-threatening condition affecting newborns. By incorporating genetic principles and simulations, GAs have proven to be effective in solving complex medical diagnosis problems. The study aims to optimize the classification process by employing evolutionary techniques to identify key features and prioritize them based on their importance in diagnosing CHDs. Results from the GA model showed a significant improvement in accuracy and speed compared to existing methods, making it a promising tool for early detection and intervention of CHDs in newborns. But gas is more appropriate for this assignment because of its potential to pick out extra subtle variations between ordinary and abnormal cardiovascular anatomy. Gas has additionally been established to be promising within the identity and quantification of CHDs.

关键词： Heart Pediatrics Accuracy Power control Prediction algorithms Genetics Market research

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Circular Field Motion Planning for Highly-Dynamic Multi-Robot systems with Application to Robot Soccer

Circular Field Motion Planning for Highly-Dynamic Multi-Robo...

引用

IEEE international conference on Robotics and Automation (ICRA)

作者： Fabrice Zeug Marvin Becker Matthias A. Müller Institute of Automatic Control Leibniz University Hannover Germany

ISBN: (数字)9798350384574

ISBN: (纸本)9798350384581

The rise of autonomous driving in everyday life makes efficient and collision-free motion planning more important than ever. However, multi robot applications in highly dynamic environments still pose hard challenges for state-of-the-art motion planners. In this paper, we present a new iteration of a reactive circular fields motion planner with the focus on simultaneous control of multiple robots in robotic soccer games, which is able to operate omnidirectional robots safely and efficiently despite high measurement delays and inaccuracies. Our extension enables the definition and effective execution of complex tasks in soccer specific problems. We extensively evaluated our planner in several complex simulation environments and experimentally verified the approach in realistic scenarios on real soccer robots. Furthermore, we demonstrated the capabilities of our motion planner during the successful participation in the RoboCup 2022 and 2023.

关键词： Shape Games Planning Delays Multi-robot systems Motion measurement Collision avoidance

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Analysis of Scanning Schemes of complex-Profile Products with Automated complex Non-Destructive Quality control of Coating of complex-Profile Product

Analysis of Scanning Schemes of Complex-Profile Products wit...

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Information, control, and Communication Technologies (ICCT), international conference on

作者： Maksim S. Gubin Valeriy V. Malyy Alexey V. Fedorov Igor Y. Kinzhagulov Dmitriy S. Sergeev Faculty of Control Systems and Robotics ITMO University ST Petersburg Russia SECT The Institute of Science of the ICC ST Petersburg Russia

In this paper, the existing problems of non-destructive testing of defects in the surface and subsurface coating layers of complex profile products are considered. The main factors influencing the choice of the scanning scheme are determined. For the implementation of non-destructive testing, several scanning schemes were proposed, which were analyzed in order to determine the necessary trajectory and step of movement of the transducer relative to the surface of a complex profile product. As a result, an optimal scanning scheme was selected.

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Formation control of Second-order Multi-agent systems with Multiplicative Noises

Formation Control of Second-order Multi-agent Systems with M...

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2021 IEEE international conference on Unmanned systems, ICUS 2021

作者： Ke, Xianfu Zong, Xiaofeng School of Automation China University of Geosciences Hubei Key Lab. of Adv. Contr. and Intelligent Automat. for Complex Syst. Eng. Res. Ctr. of Intelligent Technol. for Geo-Explor. Ministry of Education Wuhan430074 China

ISBN: (纸本)9780738146577

Formation control problems of second-order multiagent systems (SOMASs) with multiplicative noises are dealt with. Firstly, We give the formation analysis and appropriate control protocol. And then formation control problems are converted into mean square asymptotic stability (MSAS) problems of stochastic systems. Then, formation center function (FCF) is given and the formation feasibility condition of MASs is derived. Finally, the unmanned aerial vehicles (UAVs) are simulated and the reliability of the theoretical derivation can be illustrated. © 2021 IEEE.

关键词： Stochastic systems

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