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An optimization Tool for Displacing Photovoltaic Arrays in Polygonal Areas 20

An Optimization Tool for Displacing Photovoltaic Arrays in P...

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20th International conference on Smart Technologies, EUROCON 2023

作者： Mignoni, Nicola Carli, Raffaele Dotoli, Mariagrazia Politecnico di Bari Bari Italy

ISBN: (纸本)9781665463973

In this paper, we discuss the problem of optimally designing the layout of a given number of photovoltaic arrays on a flat polygonal surface, in order to maximize a suitable objective function, e.g., the total generated energy. this means finding their optimal position, azimuth and tilt. the considered problem becomes non-trivial when considering effects such as irradiance variability and self-shadowing. We first provide a description of the system model and the associated optimization problem, showing how the resulting formulation presents non-convexities. then, we provide a tight parametrized convex relaxation, which is computationally tractable and for which optimality conditions hold. We provide numerical simulations using realistic data, showing how the proposed methodology yields near-optimal solutions in lower computational time with respect to the traditional global resolution approach. © 2023 IEEE.

关键词： Relaxation processes

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An Improved Loopback Method for Positioning Mobile Robots in Factory Parks 20th

An Improved Loopback Method for Positioning Mobile Robots in...

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20th Chinese Intelligent systems conference

作者： Huang, Yi Li, Guozhi Liu, Zhenbing Guilin Univ Elect Technol Guangxi 541004 Peoples R China

ISBN: (纸本)9789819786565;9789819786541;9789819786534

the mobile robot's LiDAR loses accuracy in the complex road system of the factory campus, and the GNSS signal is easily blocked by buildings and becomes invalid, posing serious challenges to the positioning accuracy and robustness of the mobile robot equipped with a single sensor. this research presents a multi-sensor fusion mobile robot positioning strategy based on the LIO-SAM architecture to overcome the aforementioned issues. IMU data is handled at the front end for point cloud de-distortion, and a LIDAR odometer is used to output the location. the factor graph approach is used to optimize the back end. A better loopback detection technique based on Scan-Context is suggested. It makes use of the NDT algorithm's output to optimize the ICP algorithm's starting value in order to rectify trajectory drift and boost the loopback detection algorithm's effectiveness and accuracy. the strategy works well in complicated contexts, according to the study of the simulation experiment findings.

关键词： mobile robot sensor data fusion SLAM graph optimization pose estimation

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Fuzzy Model Development for a Continuous Dynamic Black-Box system 20

Fuzzy Model Development for a Continuous Dynamic Black-Box S...

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IEEE 20th International Power Electronics and Motion Control conference (PEMC)

作者： Fedor, Marek Fedor, Pavol Perdukova, Daniela Fedak, Viliam Tech Univ Kosice Dept Elect Engn & Mechatron Kosice Slovakia

ISBN: (数字)9781665496810

ISBN: (纸本)9781665496810

the paper describes a method of a black-box fuzzy model design based only on the system measured input/output quantity without necessity of any preliminary knowledge about the modeled system order and without any access to system state variables. the method is based on the use of continuous linear dynamic filters of the first order, which in practice are easily feasible and are always stable. the proposed methodology is applied in the fuzzy model design for a three-phase induction motor which represents a higher order nonlinear system. Simulation measurements in MATLAB confirmed the accuracy, effectiveness and good dynamic properties of the proposed fuzzy model and also its applicability to continuous dynamic systems with as little previous knowledge as possible. the aim of the article is to show that the automated fuzzy modeling techniques can be used also to obtain an accurate fuzzy model of a low complexity based on a set of series of measurements.

关键词： induction machine fuzzy modelling black-box system subtractive clustering

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Workshops on AI4EA, F-IDE, CoSim-CPS, CIFMA 2022, Collocated with the 20th International conference on Software Engineering and Formal Methods, SEFM 2022

Workshops on AI4EA, F-IDE, CoSim-CPS, CIFMA 2022, Collocated...

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Workshops on AI4EA, F-IDE, CoSim-CPS, CIFMA 2022, Collocated with the 20th International conference on Software Engineering and Formal Methods, SEFM 2022

ISBN: (纸本)9783031262357

the proceedings contain 31 papers. the special focus in this conference is on AI4EA, F-IDE, CoSim-CPS, CIFMA. the topics include: Debugging Support in Atelier B;varCorC: Developing Object-Oriented Software Product Lines Using Correctness-by-Construction;a Case Study in Formal Analysis of system Requirements;the TLA Debugger;Developing the UML-B Modelling Tools;validity in (Co-) Simulation;Using INTO-CPS Tools in the Development of a Digital Twin for the F1TENth Race Car;Do-it-Yourself FMU Generation;a Conceptual Framework for Production Process Parameter optimization with Modular Hybrid Simulations;a Co-simulation-Based system Using Vico for Marine Operation;paving the Way for Reinforcement Learning in Smart Grid Co-simulations;coCoSim: A Tool for Co-simulation of Mobile Cooperative Robots;high-Fidelity modeling & Co-simulation with HyFlow;robot Nudgers. What About Transparency?;robot as Embodied Agent? A Phenomenological Critique;markov Blankets for Sustainability;executive Function and Intelligent Goal-Directed Behavior: Perspectives from Psychology, Neurology, and Computer Science;A BRDL-Based Framework for Motivators and Emotions;a Depth-Bounded Semantics for Becoming Informed;Forecasting Algae Growth in Photo-Bioreactors Using Attention LSTMs;knowledge-of-Own-Factivity, the Definition of Surprise, and a Solution to the Surprise Examination Paradox;using Justified True Beliefs to Explore Formal Ignorance;evaluating Zero-Cost Active Learning for Object Detection;Fast Simulation Response by a Simulation Based Machine Learning (SMiLe) Approach;condition Monitoring of a Mechanical Pulsatile Heart Support system via Support-Vector Machine;siamese Basis Function Networks for Data-Efficient Defect Classification in Technical Domains;quality Monitoring Procedure in Additive Material Extrusion Using Machine Learning;A Formal IDE for Railways: Research Challenges;preface.

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Analysis of Oscillation Events and optimization of Low-Voltage Ride-through Logic for Buckwheat Photovoltaic Power Plants in Yunnan 20

Analysis of Oscillation Events and Optimization of Low-Volta...

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20th International conference on AC and DC Power Transmission 2024, ACDC 2024

作者： Xie, Huifan Song, Yang Luo, Chao Zeng, Pijiang Zhang, Mingqiang Zhang, Ye Liu, Hongtao Ma, Qian Li, Xiang Power Dispatching and Control Center of China Southern Power Grid Guangzhou China Extra High Voltage Power Transmission Company of China Southern Power Grid Liuzhou China Electric Power Research Institute of China Southern Power Grid Guangzhou China Yunnan Power Grid of China Southern Power Grid Kunming China

ISBN: (数字)9781837241552

ISBN: (纸本)9781837242672

With the large-scale access of new energy, the impact on the security and stability of the power grid has become increasingly prominent [1]. From 2011 to 2012, there were a number of large-scale off-grid accidents of wind farms in China, so that the safety and stability of wind power operation quickly received attention from all parties in the industry, and the industry also began to actively respond from technical specifications, unit transformation, automatic voltage control (AVC), system deployment and other aspects. Get a significant improvement. Subsequently, the problem of broadband oscillation caused by new energy grid-connection has received extensive attention, and a large number of research results have been formed in terms of mechanism, analysis methods and suppression measures [2]. In recent years, some new engineering practical problems have been exposed in the field operation of new energy. Among them, the non-periodic and repeated voltage fluctuations of the wind power collection system occurred in the Northern Hebei Power Grid, resulting in large-scale off-grid of wind turbines for several times, with the maximum wind power output loss of 476, 000 kW[3]. On August 15, 2023, Yunnan Qiaodi Photovoltaic Station (Qiaodi photovoltaic power station installed capacity of 240MW, Qiaodi photovoltaic power station has a total of 2 sets of 120MVA combined transformer, a total of 12 collector wires, 76 box transformers, 1064 sets of Tebsike 228kW series inverter, the out-of-area disturbance of two Sisource 50MVar SVG causes the PV inverter to enter and exit the low-voltage crossing logic repeatedly, and causes the output power of the PV station to appear forced power oscillation. the paper presented solutions to solve the problems. © the Institution of Engineering & Technology 2024.

关键词： Wind turbines

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Analytical modeling and optimization of a Singlesided High Temperature Superconducting Linear Induction Motor 20

Analytical Modeling and Optimization of a Singlesided High T...

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20th Biennial IEEE conference on Electromagnetic Field Computation (CEFC)

作者： Qin, Wei Lv, Gang Zhao, Jiding Fang, Jin Beijing Jiaotong Univ Sch Elect Engn Beijing Peoples R China

ISBN: (数字)9781665468336

ISBN: (纸本)9781665468336

In this paper, an improved analytical model is presented for calculating the performance of single-sided linear induction motor that primary windings are made of high temperature superconductor (HTS). the analytic model based on accurate subdomain, which the electromagnetic state of the superconductor can be taken into account, for predicting the magnetic field and analyzing the structural parameters on performance in HTS SLIM. As compared with the conventional analytic model, the accuracy of the proposed model, respecting the constraints linked to the physical and mechanical properties of the considered HTS tape, is observably improved. Finally, the finite element analysis (FEA) is used to verify the analytic model and compare it with the experimental results obtained from the prototype of HTS SLIM.

关键词： SLIM HTS subdomain Analytical FEA

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Analysis and optimization of Care-purpose Drone For Medical-Based Applications 20

Analysis and Optimization of Care-purpose Drone For Medical-...

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20th IEEE International Colloquium on Signal Processing and Its Applications, CSPA 2024

作者： Hanafiah, Muhammad Hariz Mohd Al-Humairi, Safaa Najah Saud Taib, Mohamad Amirul Aznil Mohd Jaharadak, Adam Amril Management And Science University Faculty Of Information Sciences And Engineering Selangor Shah Alam40100 Malaysia

ISBN: (纸本)9798350382310

this paper explores the analysis and optimization of efficient drones with the primary aim of timely and precise item delivery. Unmanned aerial vehicles (UAVs), commonly known as drones, operate autonomously through remote control or software-managed flight plans, incorporating onboard sensors and a global positioning system (GPS). Originally developed for military purposes, drones have diversified into civilian applications, particularly within the medical and care-related domains, which are the focus of this research. the medical field faces challenges such as limited road access in urban areas, restricted entry to contagious disease zones, challenging terrain for human access, deployment in war zones, extended transportation times, and constrained operating hours. the utilization of drones addresses these challenges by facilitating real-time data collection, cost-effective payload delivery, and rapid advancements across commercial, industrial, and recreational sectors. Despite their potential, the integration of drone technology into the medical domain has been slow. Drones play a significant role in epidemiological tasks, including disease surveillance, disaster monitoring, and biological hazard surveillance. Telemonitoring, perioperative assessments, remote diagnostics, and treatment are enhanced through telecommunication drones. Moreover, drones exhibit immense potential as reliable platforms for transporting medications, vaccinations, emergency medical equipment, laboratory samples, pharmaceuticals, and even patients. Recognizing the national priority of drone utilization, ongoing efforts involve robust research initiatives in safety, business expansion, heightened public awareness, and community involvement. Deploying delivery drones in areas inaccessible to humans, such as those with highly contagious diseases or war zones, streamlines operations and mitigates potential risks associated with human involvement. In conclusion, the application of delivery dron

关键词： Drones

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Design and optimization of AGV Scheduling Algorithm in Logistics system Based on Convolutional Neural Network 2

Design and Optimization of AGV Scheduling Algorithm in Logis...

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2nd International conference on Artificial Intelligence and Autonomous Robot systems, AIARS 2023

作者： Zhang, Liang Hu, Xiukun Song, Tao Taishan University College of Mechanical and Architectural Engineering Tai'an271000 China

ISBN: (纸本)9798350324358

the automation coverage of logistics warehousing in China is still at a low level, and the sorting capacity of express delivery is relatively backward. the whole sorting process cannot be completely separated from manual work. the identification, sorting and transportation of express parcels need human assistance. In this regard, the AGV scheduling algorithm design and optimization of the logistics system based on CNN (convolutional neural network) in this paper has better convergence characteristics. through simulation experiments, AGV2 reprogrammes the running path from the loading point 21 to the unloading point 24 at the 13th moment, avoiding conflicts with AGVu3 at node 15 at the 20th moment. Low priority AGV2 also reprogrammes the running node at the next moment. the conflicts and deadlocks are eliminated in the iterative operation of the algorithm. this experiment verifies the effectiveness of the algorithm after optimization of AGV scheduling algorithm in logistics system. In this paper, the CNN priority tasks are related to the current task waiting time to break the barrier between priority and low priority, and achieve a balance between the two, so that some low priority tasks can be well executed, and improve the quality of service of the entire low priority tasks. © 2023 IEEE.

关键词： Scheduling algorithms

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Problem of Improving the Environmental and Socio-Economic system of the Volga-Akhtuba Floodplain: Position Examination of Large Dam in the Volga River Based on Computational Fluid Dynamics 5

Problem of Improving the Environmental and Socio-Economic Sy...

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5th International conference on Control systems, Mathematical modeling, Automation and Energy Efficiency, SUMMA 2023

作者： Klikunova, Anna Yu. Agafonnikova, Ekaterina O. Khoperskov, Alexander V. Volgograd State University Dept. Information Systems and Computer Modeling Volgograd Russia

ISBN: (纸本)9798350309126

the system of hydroelectric power stations on the Volga River, built in the 20th century, completely changed the hydrological regime of the Volga River. the current over-regulation of the water flow is the cause of the accelerating degradation of the Volga-Akhtuba floodplain. Modern analysis of water availability indicates a critical point associated with the spring filling of the Akhtuba binnacle. Various projects suggest a solution to this problem. this study is aims at identifying the most optimal location of a large dam below the Volzhsky hydroelectric power stations. We use a new model of hydraulic resistance based on the combined effect of both the friction force in the Manning model and the turbulent viscosity. Our study involves varying of the dam's location in a numerical shallow water model. We calculate the hydrological relationship between the release of water through the Volzhsky dam and the source of the Akhtuba, as a target function for analyzing the effectiveness of the project to construction such a dam. © 2023 IEEE.

关键词： Dams

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20th International conference on Applied Mechanics and Mechanical Engineering, AMME 2022

20th International Conference on Applied Mechanics and Mecha...

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20th International conference on Applied Mechanics and Mechanical Engineering, AMME 2022

the proceedings contain 25 papers. the topics discussed include: design and optimization of a missile transporter semi-trailer structure;mathematical model and PID control of a hydraulic motor using on/off solenoid valve;tire mobility numbers and vehicles performance evaluation based on empirical approaches;analysis, control, and optimization of aeroelastic systems: an introduction to the recent literature for the new investigator;numerical investigation of helicopter hover state of flight enhancement by applying active flow control over helicopter special tip airfoil;an experimental study on the damping characteristics and tuning of the liquid column vibration absorber;nonparametric modeling of magnetorheological damper based on nonlinear black-box technique;and design and development of dual-acting soft actuator for assistance and rehabilitation of finger flexion and extension.

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