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10th IFAC Symposium on Robot control, SYROCO 2012

作者： Dakulović, Marija Čikeš, Mijo Petrović, Ivan University of Zagreb Faculty of Electrical Engineering and Computing Department of Control and Computer Croatia

ISBN: (纸本)9783902823113

This paper focuses on interpolation-based path planning algorithms for mobile robot that use the occupancy grid map of the environment. Such an algorithm produces the path close to optimal solution in continuous search space, but has computational burden. We discuss on using heuristics to improve efficiency of the E* algorithm, as the interpolation-based path planning algorithm, with a trade-off of generating less optimal paths. We compare obtained paths with the almost optimal solution in continuous search space and also with the path obtained by the D* algorithm, which is a representative of the classical graph search algorithms applied on the occupancy grid map. All used algorithms are verified both by simulation and experimentally on a Pioneer 3DX mobile robot equipped with a laser range finder. © 2012 IFAC.

关键词： Mobile robots

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Potential function based multi-agent formation control in 3D space

Potential function based multi-agent formation control in 3D...

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10th IFAC Symposium on Robot control, SYROCO 2012

作者： Bunic, Marko Bogdan, Stjepan Department of Control and Computer Engineering Faculty of Electrical Engineering and Computing University of Zagreb Zagreb Croatia

ISBN: (纸本)9783902823113

This paper presents the extension of the previously proposed method for multi-agent formation control based on potential function. The method derived for 2D space is extended to 3D. It has been shown that the control algorithm keeps all the properties of the original scheme in case of multi-agent formation moving in 3D. An adaptation mechanism that assures avoidance of unwanted stable equilibria, used in 2D, is implemented in the same form for 3D formations. The obtained simulation results demonstrate stable behavior of the system for various sets of parameters - the desired 3D formation is reached in finite time and maintained during trajectory execution. © 2012 IFAC.

关键词： Multi agent systems

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Interfaces of nested Web application framework as reusable software component

Interfaces of nested Web application framework as reusable s...

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35th International Convention on Information and Communication Technology, Electronics and Microelectronics, MIPRO 2012

作者： Prstačić, S. Žagar, M. Kroflin, K. Faculty of Electrical Engineering and Computing Information Support Center Zagreb Croatia Faculty of Electrical Engineering and Computing Department of Control and Computer Engineering Zagreb Croatia

ISBN: (纸本)9789532330724

The framework is designed to provide a simple and powerful way of Web application component development. Components of the framework can nest, and the framework is designed to be easy to reuse as a component, thus providing its components to be used by the host application. We explain the interfaces required to make this possible - what they provide, what issues they solve, and how their requirement was discovered. We also identify shortcomings of this approach, and issues that will be addressed by future work. © 2012 MIPRO.

关键词： Computer software reusability

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Landscape and climatic drivers of dengue fever in Lao People’s Democratic Republic and Thailand: a retrospective analysis during 2002–2019

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Landscape Ecology 2025年第5期40卷 1-18页

作者： Zafar, Sumaira Rocklöv, Joacim Paul, Richard E. Shipin, Oleg Rahman, Md. Siddikur Pientong, Chamsai Aromseree, Sirinart Poolphol, Petchaboon Mayxay, Mayfong Pongvongsa, Tiengkham Vannavong, Nanthasane Overgaard, Hans J. Haque, Ubydul Institute of Nutrition Mahidol University Nakhon Pathom Thailand Heidelberg Institute of Global Health & the Interdisciplinary Centre for Scientific Computing Heidelberg University Heidelberg Germany Department of Public Health and Clinical Medicine Umeå University Umeå 90187 Sweden Ecology and Emergence of Arthropod-Borne Pathogens Unit Institut Pasteur CNRS UMR2000 Université Paris Cité Paris 75015 France Department of Environmental Engineering and Management Asian Institute of Technology Khlong Luang Thailand Department of Statistics Begum Rokeya University Rangpur Bangladesh Department of Microbiology Faculty of Medicine Khon Kaen University Khon Kaen Thailand The Office of Disease Prevention and Control Region 10(th) Ubon Ratchathani 34000 Thailand Institute of Research and Education Development (IRED) University of Health Sciences Ministry of Health Vientiane Laos Microbiology Laboratory Lao-Oxford-Mahosot Hospital-Welcome Trust Research Unit (LOMWRU) Mahosot Hospital Vientiane Laos Centre for Tropical Medicine and Global Health University of Oxford Oxford United Kingdom Saw Swee Hock School of Public Health National University of Singapore Singapore Singapore Savannakhet Provincial Health Department Savannakhet Province Savannakhet Laos Champasak Provincial Health Office Pakse Laos Faculty of Science and Technology Norwegian University of Life Sciences P.O. Box 5003 Ås Norway Rutgers Global Health Institute Piscataway NJ United States Department of Biostatistics and Epidemiology School of Public Health Rutgers University Newark United States

Context: Dengue is a major public health threat in the Lao People’s Democratic Republic (Laos) and Thailand. Dengue transmission is ecologically complex. Concurrently identifying both climate and landscape-based risk factors for dengue virus transmission is necessary to improve dengue prevention and control efforts in Laos and Thailand. Objectives: The objective of this study was to determine how changes in climate (temperature and rainfall), and land use (e.g. built-up areas, agricultural crops, fruit orchards, rubber plantations) and land cover (e.g. evergreen and deciduous forests, permanent and temporary wetlands) affect dengue risk in four provinces in southern Laos and north-eastern Thailand during 2002 to 2019. Methods: A conditional autoregressive Bayesian spatiotemporal modeling framework was used to analyze the risk of dengue by spatiotemporal variations in land use and land cover (LULC) and climatic parameters. Results: The average annual temperatures in the study area increased by 0.44–0.94 °C during the study period. The model indicated that an increase of 1 °C in weekly average temperatures (up to a 29 °C threshold level) increased the average dengue risk by up to 24% in the two Lao provinces and 18.9% in the two Thai provinces. The model suggested that a rainfall increase of 1 mm up to 60 mm increased dengue risk by 1.8–3.2%. A 0.6–1.6% increase in built-up land use increased dengue risk by 1.8–6.9%. Built-up areas and rubber plantations were positively associated with dengue in the Ubon Ratchathani province of Thailand, while wetlands were negatively associated with dengue cases in the Savannakhet province of Laos. Conclusions: Changes in dengue risk were clearly related to increases in rainfall and temperature as well as changes in LULC in both Laos and Thailand. These insights may inform community-based dengue control activities by targeting geographically localized areas (microgeographic scale) to deploy dengue control activities more effectively

关键词： Bayesian Climate change Dengue Land use and landcover Vectors

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Robotic Nanowire Handling for Prototypic NEMS Devices

Robotic Nanowire Handling for Prototypic NEMS Devices

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IEEE International Conference on Robotics and Automation (ICRA)

作者： Bartenwerfer, Malte Fatikow, Sergej Division Microrobotics and Control Engineering Department of Computing Science University of Oldenburg D-26129 Oldenburg Germany

ISBN: (纸本)9781467356411;9781467356435

This paper presents the usage of a nanorobotic handling technique for the transfer of individual copper-nanowires with diameters between 150nm and 400nm and length of about 10 mu m. Handling and assembly are inside the SEM and use electron beam induced deposition as well as focused ion beam milling. The handled nanowires are used to assembly a NEMS device, namely an electrostatic switch design, where the nanowire acts as switching contact. Working principle, reproducibility and specific values of the switches are investigated, as well as the conductivity of the nanowires themself.

关键词： electron beam deposition electrostatic devices microassembling microrobots nanoelectromechanical devices nanowires robotic assembly

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Modeling facility protection for numerical vulnerability assessment

Modeling facility protection for numerical vulnerability ass...

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作者： Čakija, Dejan Ban, Željko Faculty of Electrical Engineering and Computing Department of Control and Computer Engineering Zagreb Croatia

ISBN: (纸本)9789532330670

Numerical vulnerability assessment provides calculations of possible facility attacking paths of the adversary. Path analysis is used to recommend facility modification or to add security elements to the most vulnerable path in order to reduce the vulnerability of the protected facility. For the implementation of the numerical vulnerability assessment it is necessary to develop a mathematical model of the protected facility. This paper presents an object based modeling approach that enables configuring the protected facility, placing the sensors, setting the blocking elements to delay the intruder, the use of burglary tools, modeling the security personnel activity, etc. © 2011 MIPRO.

关键词： Regression analysis

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Efficient Rate control Algorithm for Hierarchical Video Coding

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Journal of Donghua University(English Edition) 2012年第3期29卷 222-226页

作者：陆千里岑锋许维胜朱芳来 The Key Laboratory of Embedded System and Service Computing Ministry of EducationTongji University Department of Control Science&Engineering Tongji University

For rate control (RC) of hierarchical structure coding, an independent rate-quantization (R-Q) model was proposed based on mean absolute differences (MADs) in different temporal levels (TLs). In the proposed R-Q model, a novel MAD model was developed according to the hierarchical structure. The experimental results demonstrate that the proposed algorithm provides better performance, in terms of average peak signal-to-noise ratio (PSNR) and quality smoothness, than the H.264 reference model, JM14.2, under various sequences.

关键词： rate-quantization (R-Q) model rate control(RC) video coding peak signal-to-noise ratio (PSNR) hierarchical structure

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Enhanced Discrete-Time Differentiators for State Observers of Sensorless Permanent Magnetic Synchronous Motor Drives 8

Enhanced Discrete-Time Differentiators for State Observers o...

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8th Southern Power Electronics Conference and the 17th Brazilian Power Electronics Conference, SPEC / COBEP 2023

作者： Curi Busarello, Tiago Davi Federal University of Santa Catarina Department of Control Automation and Computing Engineering Blumenau Brazil

ISBN: (纸本)9798350321128

In sensorless motor drive applications, the rotor and the speed of the rotor are usually estimated through state observer algorithms. A key part of such algorithm is the computation of the derivative of the rotor position, resulting in the estimated rotor speed. computing derivatives brings challenges due to their inherent noise amplification characteristic. This paper presents enhanced discrete-time differentiators for state observers of sensorless permanent magnetic synchronous motor drives. A class of discrete-time differentiators based on finite impulse response filters and one based on Kalman filter are proposed. Details about how to obtain the coefficients of the differentiators are presented. To verify the performance of the proposed differentiators, all of them were executed in F28379D LaunchPad microcontroller. Results show that the proposed discrete-time differentiators compute the derivative of the rotor position signal in a satisfactory manner, even in the presence of noise. © 2023 IEEE.

关键词： Differentiators digital filters Kalman filter state observer

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Evaluation of Ethernet Subsystem for Domain controller in Autonomous Vehicles

Evaluation of Ethernet Subsystem for Domain Controller in Au...

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2021 Zooming Innovation in Consumer Technologies Conference, ZINC 2021

作者： Kenjic, Dusan Antic, Marija Bjelica, Milan University of Novi Sad Faculty of Technical Sciences Department of Computing and Control Engineering Serbia

ISBN: (纸本)9781665404174

The expansion of the automotive industry is reflected in the expansion of functionalities and services offered by a modern vehicle. In order for all of them to be executed, it is also necessary to increase the number of physical components within the vehicle. As the entire system grows, so does the problem of connecting the entities within it. The efficient simplification of the system is achieved by introducing domain controllers, and separating the physical components based on the functionality they perform, while creating the backbone communication network between domain controllers. Time-critical and other performance requirements, which are driven by the development of autonomous driving, demand the utilization of new standards and solutions for this communication network backbone. One of those solutions is Automotive Ethernet. In this paper, an implementation of the Ethernet subsystem of the domain controller for autonomous vehicles will be presented and evaluated. © 2021 IEEE.

关键词： Automotive industry

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Demonstrating the Potential of Visualization in Education with the Manim Python Library: Examples from Algorithms and Data Structures 47

Demonstrating the Potential of Visualization in Education wi...

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47th ICT and Electronics Convention, MIPRO 2024

作者： Marković, Milorad Kaštelan, Ivan University Of Novi Sad Department Of Computing And Control Engineering Sub-department Of Computer Engineering And Communications Novi Sad Serbia

ISBN: (纸本)9798350382495

Visualization is a powerful tool for learning and teaching complex concepts, especially in the field of computer science. However, creating effective and engaging visualizations can be challenging and time-consuming for educators and students. This paper demonstrates how the Manim Python library, a free and open-source project for creating mathematical animations, can be used to create visualizations that illustrate algorithms and data structures in an undergraduate course. The paper showcases several examples of visualizations created with the Manim library, and explains how they help the students to understand the logic, behavior, and performance of the algorithms and data structures. The paper also discusses the benefits and limitations of the Manim library, and suggests some directions for future research and development. © 2024 IEEE.

关键词： Python

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