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2024 Winter Simulation Conference, WSC 2024

作者： Ferrero-Losada, Samuel Risco-Martín, José L. López-Orozco, José A. Besada-Portas, Eva Dept. of Computer Architecture and Automation Universidad Complutense de Madrid Madrid Spain

ISBN: (纸本)9798331534202

Addressing the prediction of Harmful Cyanobacterial Blooms (CyanoHABs) is critical due to the increasing strain on global water resources from climate change and overexploitation. This paper introduces a combined physical and biological modeling approach for simulating the 3D migration, growth, and decay of cyanobacteria colonies in water bodies. Utilizing the Smoothed Particle Hydrodynamics (SPH) method, our model accommodates complex geometries with high accuracy. This adaptable open-source framework significantly enhances the simulation of cyanobacteria migration in three dimensions, a capability often lacking in existing environmental lake simulators. Moreover, it is being integrated into an advanced early warning system, representing a digital twin of the water body. This integration aims to improve the prediction and management of CyanoHABs, contributing to safeguard water quality and ecosystem health. © 2024 IEEE.

关键词： Lakes

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Resilient source seeking with robot swarms 63

Resilient source seeking with robot swarms

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63rd IEEE Conference on Decision and Control, CDC 2024

作者： Acuaviva, Antonio Bautista, Jesus Yao, Weijia Jimenez, Juan De Marina, Hector Garcia Universidad Complutense de Madrid Department of Computer Architecture and Automation Spain Department of Computer Engineering Automation and Robotics Granada Spain Hunan University School of Robotics China

ISBN: (纸本)9798350316339

We present a solution for locating the source, or maximum, of an unknown scalar field using a swarm of mobile robots. Unlike relying on the traditional gradient information, the swarm determines an ascending direction to approach the source with arbitrary precision. The ascending direction is calculated from field strength measurements at the robot locations and their relative positions concerning the swarm centroid. Rather than focusing on individual robots, we focus the analysis on the density of robots per unit area to guarantee a more resilient swarm, i.e., the functionality remains even if individuals go missing or are misplaced during the mission. We reinforce the algorithm's robustness by providing sufficient conditions for the swarm shape so that the ascending direction is almost parallel to the gradient. The swarm can respond to an unexpected environment by morphing its shape and exploiting the existence of multiple ascending directions. Finally, we validate our approach numerically with hundreds of robots. The fact that a large number of robots with a generic formation always calculate an ascending direction compensates for the potential loss of individuals. © 2024 IEEE.

关键词： Microrobots

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An integrated framework for the agile development and deployment of low cost remote laboratories

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Multimedia Tools and Applications 2024年 1-21页

作者： Chacón, Jesús Besada-Portas, Eva García-Pérez, Lía López-Orozco, Jose Antonio Department of Computer Architecture and Automation Universidad Complutense de Madrid Plaza de las Ciencias 1 Madrid Madrid28040 Spain

This work proposes a standalone framework, supported by state-of-the-art technologies, to efficiently build Remote Laboratories (RLs) from scratch. Not only does this proposal contribute with a new software infrastructure of RLs, but also with a methodology and an Integrated Development Environment to set up and deploy RLs, to boost developers productivity, and to reduce the RLs time/cost to production. Finally, the new framework, described first in depth from the point of view of its users and later through a study case, can be used as a principle solution for low cost RLs, since its software is completely deployable in single-board computers as the Raspberry Pi. © The Author(s) 2024.

关键词： Remote control

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Control of an Hybrid AC/DC MG Using Raspberry Pi

Control of an Hybrid AC/DC MG Using Raspberry Pi

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International Conference of the TC Electrimacs Committee, ELECTRIMACS 2024

作者： Carrasco-González, David Sarrias-Mena, Raúl Horrillo-Quintero, Pablo Llorens-Iborra, Francisco Fernández-Ramírez, Luis M. Cadiz Spain SURET Research Group Department of Engineering in Automation Electronics and Computer Architecture and Networks ETSI Algeciras Cadiz Spain

ISBN: (纸本)9783031739200

Nowadays, hybrid AC/DC microgrids (HMG) are growing in popularity because of human needs and their benefits. They are composed of the interconnection of a DC microgrid (MG) and an AC MG, and each MG is constituted by generation, energy storage, and consumption technologies. This study develops a new control strategy for an HMG consisting of a DC MG and an AC MG interconnected through a bidirectional power converter. The AC MG is composed of AC loads, a photovoltaic (PV) generator and a battery bank. The DC MG is made up of a hydrogen system, DC loads, wind turbine (WT) and ultracapacitor (UC). The HMG is evaluated under different conditions in an experimental setup constituted by an OPAL-RT 4512 unit and a Raspberry Pi microcontroller. This experimental setup permits to execute the HMG in real time and to validate the results obtained. Finally, the control system developed for this HMG presents a satisfactory behaviour under different working conditions. © The Author(s), under exclusive license to Springer Nature Switzerland AG 2025.

关键词： Wind turbines

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METHODOLOGY FOR ONLINE ESTIMATION OF RHEOLOGICAL PARAMETERS IN POLYMER MELTS USING DEEP LEARNING AND MICROFLUIDICS

METHODOLOGY FOR ONLINE ESTIMATION OF RHEOLOGICAL PARAMETERS ...

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2024 Winter Simulation Conference, WSC 2024

作者： Sandubete-López, Juan Risco-Martín, José L. McMillan, Alexander H. Besada-Portas, Eva Dept. of Computer Architecture and Automation Universidad Complutense de Madrid Madrid Spain Microfluidics Innovation Center Paris France

ISBN: (纸本)9798331534202

Microfluidic devices are increasingly used in biological and chemical experiments due to their cost-effectiveness for rheological estimation in fluids. However, these devices often face challenges in terms of accuracy, size, and cost. This study presents a methodology, integrating deep learning, modeling and simulation to enhance the design of microfluidic systems, used to develop an innovative approach for viscosity measurement of polymer melts. We use synthetic data generated from the simulations to train a deep learning model, which then identifies rheological parameters of polymer melts from pressure drop and flow rate measurements in a microfluidic circuit, enabling online estimation of fluid properties. By improving the accuracy and flexibility of microfluidic rheological estimation, our methodology accelerates the design and testing of microfluidic devices, reducing reliance on physical prototypes, and offering significant contributions to the field. © 2024 IEEE.

关键词： Viscosity measurement

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Reverse-Engineering Optimization Techniques of High-Level Synthesis: Practical Insights into Accelerating Applications with AMD-Xilinx Vitis

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IEEE Transactions on computer-Aided Design of Integrated Circuits and Systems 2025年

作者： Koronis, Jorge Garnica, Oscar Hidalgo, J. Ignacio Davila, Juan Lanchares Spain Department of Computer Architecture and Automation Faculty of Computer Science Universidad Complutense de Madrid Spain

Modern AI applications contain computationally expensive sections. Accelerator cards and tools like AMD Vitis HLS leverage high-level synthesis and hardware (HW) optimizations to create custom HW designs to accelerate ***, the learning curve is steep, even for those with previous knowledge of HW design, due to the complexity of the optimization techniques and limited information on their interactions and HW effects. This paper quantitatively analyzes the interactions of optimization techniques after reverse engineering Vitis' optimization directives, both in isolation and in *** 150 experiments were conducted to investigate three distinct goals: assessing pragma behavior and the rules governing pragma application and optimizations, modeling Vitis HLS latency estimates, and evaluating the impact of optimizations on design space exploration, specifically area and latency. These experiments involve different combinations and placements of optimizations in the loop and function hierarchy of the test bench. Our findings offer guidance on using Vitis pragmas and identify promising configurations for optimizing latency and area. © 1982-2012 IEEE.

关键词： Reverse engineering

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Security Assessment Algorithms for Transmission and Services in SDN-Based Mobile Networks 9

Security Assessment Algorithms for Transmission and Services...

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9th International Conference on computer and Communications, ICCC 2023

作者： Zhu, Wei Bao, Chunhui Chen, Tianxiang Zhuang, Yi Jiangsu Automation Research Institute Embedded Computer System Architecture Lianyungang China Nanjing University of Aeronautics and Astronautics Faculty of Computer Science and Technology Nanjing China

ISBN: (纸本)9798350317251

In response to the challenge of comprehensively security assessment and analysis in existing mobile networks from both upper-layer services and network transmission levels, A SDN-based security assessment model for transmission and service security in mobile networks (SAMTS) is proposed. This model introduces security assessment algorithms, in which static configuration information and dynamic abnormal information are considered comprehensively to judge the trend and the risk degree of attack when evaluating the security of network nodes. Meanwhile, the node importance of service orientation and transmission is integrated for security evaluation. The effectiveness of the proposed method is verified by simulation and comparison experiments, demonstrating its higher evaluation accuracy compared with similar algorithms. © 2023 IEEE.

关键词： Wireless networks

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Simulation, Optimization and Control of Trajectories of ASVs Performing Hacbs Monitoring Missions in Lentic Waters

Simulation, Optimization and Control of Trajectories of ASVs...

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2023 Winter Simulation Conference, WSC 2023

作者： González-Calvin, Alfredo García-Perez, Lía Risco-Martín, José L. Besada-Portas, Eva Universidad Complutense de Madrid Department of Computer Architecture and Automation Calle Prof. José García Santesmases 9 Madrid28040 Spain

ISBN: (纸本)9798350369663

Harmful Algaeand Cyanobacteria Blooms (HACBs) are dangerous dynamic processes for the users/inhabitants of the hydric resources. Their development and contingency plans can be anticipated by using Autonomous Surface Vehicles (ASVs) equipped with a self-driven system capable of deciding how to displace the ASV and its multi-parametric probe to take measurements in the 3D locations of the water body where the HACB is likely to occur. This paper presents a new self-driven system for that purpose, consistent on 1) an offline trajectory planner for the ASV that exploits the information provided by a commercial HACBs simulator to optimize, in turn, the ASV horizontal and probe vertical displacements;and 2) a guidance and control system specially designed for making the ASV follow the planned trajectories. The paper also presents a comprehensive set of simulations to evaluate our proposal's performance and adjust its parameters. © 2023 IEEE.

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Distributed Control for a Microgrid Cluster: Implementation and Experimental Validation 24

Distributed Control for a Microgrid Cluster: Implementation ...

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24th EEEIC International Conference on Environment and Electrical Engineering and 8th I and CPS Industrial and Commercial Power Systems Europe, EEEIC/I and CPS Europe 2024

作者： Carrasco-Gonzalez, David Sarrias-Mena, Raúl Horrillo-Quintero, Pablo Hosseini, Ehsan Llorens-Iborra, Francisco Fernández-Ramírez, Luis M. University of Cadiz Suret Research Group Department of Electrical Engineering Algeciras Spain University of Cadiz Suret Research Group Department of Engineering in Automation Electronics and Computer Architecture and Networks Algeciras Spain

ISBN: (纸本)9798350355185

In response to growing energy demands and concerns about climate change, microgrid clusters (MGCs) are gaining widespread attention. Their ability to integrate technologies for energy consumption, generation, and storage in AC, DC or a compound of both offer a high degree of flexibility and resiliency. This research introduces a new control strategy for an MGC composed of two MGs interconnected to a local grid via a point of common coupling. The first one is a DC MG comprising an ultracapacitor (UC), wind turbine (WT), DC loads and hydrogen system. The second is an AC MG with a battery bank, AC loads and photovoltaic (PV) generator. The control strategy employs local controllers for each device and distributed control via two control agents, coordinating the power distribution among the energy storage systems (ESSs) of the MGC. This system is tested and validated on a real-time experimental setup, using two Raspberry Pi microcontrollers and an OPAL-RT unit, under different working conditions. The results obtained in this work show that the control strategy implemented in the MGC works correctly. © 2024 IEEE.

关键词： Windmill

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A Lake Cyanobacteria Colony Dynamics Simulation Supported by Sph 24

A Lake Cyanobacteria Colony Dynamics Simulation Supported by...

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Proceedings of the Winter Simulation Conference

作者： Samuel Ferrero-Losada José L. Risco-Martín José A. López-Orozco Eva Besada-Portas Dept. of Computer Architecture and Automation Universidad Complutense de Madrid Madrid Spain

ISBN: (纸本)9798331534202

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