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Literatura académica sobre el tema "Luminous robots"

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Publicado: 25 de mayo de 2024

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Artículos de revistas sobre el tema "Luminous robots"

Nagahama, Shota, Fukuhito Ooshita y Michiko Inoue. "Terminating Grid Exploration with Myopic Luminous Robots". International Journal of Networking and Computing 12, n.º 1 (2022): 73–102. http://dx.doi.org/10.15803/ijnc.12.1_73.

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Di Luna, G. A., P. Flocchini, S. Gan Chaudhuri, F. Poloni, N. Santoro y G. Viglietta. "Mutual visibility by luminous robots without collisions". Information and Computation 254 (junio de 2017): 392–418. http://dx.doi.org/10.1016/j.ic.2016.09.005.

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Das, Shantanu, Paola Flocchini, Giuseppe Prencipe y Nicola Santoro. "Forming Sequences of Patterns With Luminous Robots". IEEE Access 8 (2020): 90577–97. http://dx.doi.org/10.1109/access.2020.2994052.

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Heriban, Adam y Sébastien Tixeuil. "Mobile Robots with Uncertain Visibility Sensors: Possibility Results and Lower Bounds". Parallel Processing Letters 31, n.º 01 (24 de febrero de 2021): 2150002. http://dx.doi.org/10.1142/s012962642150002x.

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We consider mobile robotic entities that have to cooperate to solve assigned tasks. In the literature, two models have been used to model their visibility sensors: the full visibility model, where all robots can see all other robots, and the limited visibility model, where there exists a limit [Formula: see text] such that all robots closer than [Formula: see text] are seen and all robots further than [Formula: see text] are not seen. We introduce the uncertain visibility model, which generalizes both models by considering that a subset of the robots further than [Formula: see text] cannot be seen. An empty subset corresponds to the full visibility model, and a subset containing every such robot corresponds to the limited visibility model. Then, we explore the impact of this new visibility model on the feasibility of benchmarking tasks in mobile robots computing: gathering, uniform circle formation, luminous rendezvous, and leader election. For each task, we determine the weakest visibility adversary that prevents task solvability, and the strongest adversary that allows task solvability. Our work sheds new light on the impact of visibility sensors in the context of mobile robot computing, and paves the way for more realistic algorithms that can cope with uncertain visibility sensors.

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Bramas, Quentin, Pascal Lafourcade y Stéphane Devismes. "Optimal exclusive perpetual grid exploration by luminous myopic opaque robots with common chirality". Theoretical Computer Science 977 (octubre de 2023): 114162. http://dx.doi.org/10.1016/j.tcs.2023.114162.

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Nakayama, Shigeki, Masato Uchida y Tatsuya Yuhara. "Selection Method of Multicolor Luminous Landmarks and Route Modification of the Mobile Robot". Abstracts of the international conference on advanced mechatronics : toward evolutionary fusion of IT and mechatronics : ICAM 2015.6 (2015): 11–12. http://dx.doi.org/10.1299/jsmeicam.2015.6.11.

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Kolesnyk, A., D. Usichenko y L. Nazarenko. "The Results of the Testing of Led Light According to the Method of Measuring the Lighting Engineering Parameters". Metrology and instruments, n.º 1 (25 de marzo de 2019): 37–41. http://dx.doi.org/10.33955/2307-2180(1)2019.37-41.

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The paper presents results of the thermographic and numerical analyses of the chosen design of the LED lamp radiator. The LED technology is characterized by the most dynamic development in the ligh ting market. The object of the test is the LED-1 product, which represents the unit module of the multi-module lighting system. Due to high heat fl ux on the small surface of the individual diodes, problems related to the light source cooling become to be one of the basic ones. The parameters of the test modes for the eff ects of changes in temperature are selected taking into account the physical and mechanical properties of the materials used in the manufacture of the product. Tests were conducted in a windless, dark room. Heat was discharged through convection and radiation. The tests in a dark room were conducted. Heat was discharged through convection and radiation. A thermoelectric transducer chromel-copel with dimensions of 400 μm was used to measure the temperature. The temperature was measured by passing a nominal current of 1,67 A through the module. The test results were analyzed and processed. Based on the result it was decided that the works will be continued using the advanced test stand, equipped with the system of the forced air circulation, control and data acquisition system connected with set of the temperature measurers and improved barriers, preventing the interference of the light fl ux with the thermographic measurement. The results of studies of thermal conditions and lighting parameters of the sample of the LED lamp in the process of robots are given. The ability of LED modules to resist the destructive action of heat has been determined. Inspection of potentially unreliable structural elements, strength of fasteners has been done. The luminous effi ciency of LED modules is calculated by indirect and direct, thermal and optical measurements. For the clarity of the working picture was a measured base spectral characteristic. The case temperature, with basic measurements, was 45 °C, and the ambient temperature was 24,2 °C. Analyzing the measurement results — the deviation of the light characteristics amounted to < 10 %. Bringing measurement results to model drawings in CAD SolidWorks allowed us to create a consistent computer model of the product. The model allows with sufficient accuracy to carry out all the calculations for thermal and mass-dimensional data.

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NAKAYAMA, Shigeki, Tatsuya YUHARA y Akitaka HAYASHI. "Self-localization of Autonomous Mobile Robot by Omni-directional Camera and Luminous Landmarks". Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2017 (2017): 2P2—C03. http://dx.doi.org/10.1299/jsmermd.2017.2p2-c03.

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Ooshita, Fukuhito y Sébastien Tixeuil. "Ring exploration with myopic luminous robots". Information and Computation, enero de 2021, 104702. http://dx.doi.org/10.1016/j.ic.2021.104702.

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Darwich, Omar, Ahmet-Sefa Ulucan, Quentin Bramas, Anissa Lamani, Anaïs Durand y Pascal Lafourcade. "Perpetual torus exploration by myopic luminous robots". Theoretical Computer Science, agosto de 2023, 114143. http://dx.doi.org/10.1016/j.tcs.2023.114143.

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Tesis sobre el tema "Luminous robots"

Heriban, Adam. "Réseaux de robots réalistes". Electronic Thesis or Diss., Sorbonne université, 2020. http://www.theses.fr/2020SORUS325.

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Le but de cette thèse est d'analyser le travail existant par la communauté de robotique distribuée pour trouver des variations réalistes du modèle standard OBLOT, et développer de nouvelles variations viables à long terme. Nous développons un nouvel algorithme optimal pour le rendez-vous avec des lumières, et le prouvons en utilisant le framework de model-checking SPIN. En utilisant ce modèle, nous construisons des algorithmes d'élection de leader robustes, permettant des contraintes plus strictes. Nous définissons un nouveau modèle de vision pour les robots mobile : Uncertain Visibility, qui utilise un adversaire pour représenter des faux-négatifs des capteurs, et prouvons les bornes de plusieurs problèmes étalons dans ce modèle. Nous définissons et analysons un nouveau problème : Obstruction Detection pour le modèle des robots opaques. Nous développons un simulateur Monte-Carlo pour les robots mobiles, conçus pour facilement simuler n'importe quel modèle ou algorithme. N'étant pas un model-checker, il vise d'abord a remplacer "l'intuition" des chercheurs pour détecter des comportement imprévus. Nous testons plusieurs algorithmes et modèles, avec des résultats encourageants. Enfin, nous présentons deux nouveaux algorithmes : le premier assure que la distance parcourue pour la convergence en ASYNC est minimale ; le second permet d'élire un Leader avec des capteurs imprécis
The goal of this thesis is to survey and analyze the current work done by the distributed robotics community to find the more realistic variations of the standard OBLOT model, develop new such variations, and determine which approach should be used in the long term. We develop a new, optimal Rendezvous algorithm using lights, and prove it using a model checking framework based on the SPIN model checker. The same luminous model is used to build robust Leader Election algorithms, which allow for stricter constraints. We design a new vision model for mobile robots, Uncertain Visibility, which introduces a vision adversary to model false negatives in sensors, and prove tight bounds under this new model for several benchmark problems. We then define and investigate a new problem, Obstruction Detection, for the obstructed visibility model. To facilitate analysis of robot networks, we develop a framework for Monte-Carlo simulations of mobile robots, designed to simulate any model or algorithm with minimal effort. It is designed as a complement to researcher "intuition" to look for unexpected behavior. We test this simulator against numerous algorithms and settings, yielding encouraging results. Finally, we introduce another two algorithms: the first ensures the distance traveled for convergence in ASYNC is minimal ; the second allows for Leader Election with errors in vision

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Vu, Minh Tuan. "Communication visuelle par signalement lumineux avec un robot mobile". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0030/MQ67417.pdf.

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Nishimura, Claudio Massumi Oda. "Análise comparativa de algoritmos de correlação local baseados em intensidade luminosa". Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/3/3152/tde-14082008-082214/.

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Este trabalho apresentou uma análise comparativa de algumas técnicas de correlações locais baseadas em intensidade luminosa, as quais são: Soma das Diferenças Absolutas, Soma dos Quadrados das Diferenças, Correlação Cruzada Normalizada, Transformada Rank e Transformada Censo. Para as comparações foram adotadas imagens estéreos disponíveis em repositórios de universidades e suas variantes com a inclusão de ruído e variação de intensidade luminosa. Após a implementação dos algoritmos escolhidos e a comparação de seus resultados, foi obtido que a Transformada Censo é um dos métodos com os piores resultados apresentando grande quantidade de correlações erradas. Foram apresentadas modificações para melhorar a performance desse método e os resultados obtidos foram melhores.
This work presents a comparative analysis of some local area intensity based correlation algorithm, which are: Sum of Absolute Differences, Sum of Squared Differences, Normalized Cross-Correlation, Rank Transform and Census Transform. For the tests stereo data sets are adopted. These data sets are available at universities websites and their variants with the inclusion of noise and variation of luminosity are created. After implementing the chosen algorithms a comparison were performed and the Census Transform was one of the methods that got the worst results showing large quantity of false correlations. On this work was presented some modifications to improve the performance of the Census Transform and the results obtained were better than the original Census Transform.

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Sanches, Fabio Henrique Carretero [UNESP]. "Distribuição espacial de caranguejos-chama-maré: efeitos do sombreamento, competição interespecífica e seleção sexual". Universidade Estadual Paulista (UNESP), 2017. http://hdl.handle.net/11449/151502.

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Submitted by Fabio Henrique Carretero Sanches (fabiohcsanches@yahoo.com.br) on 2017-08-14T22:13:28Z No. of bitstreams: 1 Tese de Doutorado Autoarquivamento - Fabio Sanches.docx: 685079 bytes, checksum: cd5ecced2f7a2083db18a2d02d08fe52 (MD5)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Os caranguejos-chama-maré são espécies semiterrestres, sociais, que habitam margens de praias abertas, manguezais e marismas, tanto em zonas tropicais como temperadas. Cada indivíduo concentra suas atividades em torno de uma toca, com as fêmeas possuindo os dois quelípodo de mesmo tamanho, enquanto os machos possuem um dos quelípodo hipertrofiado, usados como armas durante interações agressivas para proteção do território ou durante a corte em um movimento característico de display, sendo excelentes modelos para estudos de competição e seleção sexual. Além disso, a escavação do solo para construção de suas tocas acarreta na maior oxigenação do mesmo, altera as condições de drenagem, distribuição de partículas, disponibilidade de matérias orgânicas e nutrientes, sendo assim considerados engenheiros do ecossistema. Portanto, alterações nos manguezais que influenciam na distribuição desse grupo de caranguejos podem intensificar potenciais impactos nessas regiões. A presente tese de doutorado foi dividida em três capítulos. O estudo do capítulo 1 foi realizado em manguezais do litoral centro/sul do Estado de São Paulo, onde investigamos o efeito do sombreamento na distribuição espacial, comportamento e fisiologia de duas espécies de caranguejos-chama-marés: Leptuca leptodactyla e Leptuca urugayensis. Já o estudo do capítulo 2 foi concretizado durante período de doutorado sanduíche no exterior, realizado na Austrália. Nele, examinamos o efeito da migração de espécies de áreas adjacentes (Tubuca elegans e Tubuca signata), relacionados à elevação do nível do mar, sobre o comportamento social e reprodutivo de outra espécie desse grupo de caranguejos, Austruca mjoebergi. Ainda durante o período de doutorado sanduíche, realizei o estudo do capítulo 3 com ênfase em seleção sexual de caranguejos-chama-maré (Austruca mjoebergi), mais relacionado à linha de pesquisa da minha orientadora no exterior, onde examinamos a precisão e o tempo de escolha das fêmeas em relação à velocidade, quantidade e complexidade dos displays dos machos.
Fiddler crabs are semi-terrestrial and social species that inhabit open beaches margin, mangroves and salt marshes, both in tropical and temperate zones. Each individual concentrates its activities in their territory surrounding a burrow, with females possessing both chelipodes of the same size, while males have one of them hypertrophied, used as weapons during aggressive interactions to protect the territory or during waving displays to attract females, being excellent models for studies of competition and sexual selection. In addition, the excavation of the soil for the construction of its burrows leads to increased oxygenation, changes in drainage conditions, particle distribution, availability of organic matter and nutrients, being considered thus ecosystem engineers. Therefore, alterations in mangroves that influence the distribution of this group of crabs may intensify potential impacts into these regions. The present PhD thesis was divided into three chapters. The study of chapter 1 was carried out in mangroves of the central / southern coast of the state of São Paulo, where we investigated the shading effect on the spatial distribution, behavior and physiology of two species of fiddler crabs: Leptuca leptodactyla and Leptuca urugayensis. The study of chapter 2 was made during a doctorate period sandwich abroad, held in Australia. We examined the effect of the migration of species of adjacent areas (Tubuca elegans and Tubuca signata), related to the elevation of sea level, on the social and reproductive behavior of another species of this group of crabs, Austruca mjoebergi. Also during the sandwich doctorate period, I conducted the study of chapter 3 with an emphasis on sexual selection of Austruca mjoebergi, more related to the research line of my supervisor abroad, where we examined the accuracy and the time of females in relation to the speed, quantity and complexity of male’s displays.
CNPq: 140515/2014-3

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Sanches, Fabio Henrique Carretero. "Distribuição espacial de caranguejos-chama-maré efeitos do sombreamento, competição interespecífica e seleção sexual /". Botucatu, 2017. http://hdl.handle.net/11449/151502.

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Orientador: Rodrigo Egydio Barreto
Resumo: Os caranguejos-chama-maré são espécies semiterrestres, sociais, que habitam margens de praias abertas, manguezais e marismas, tanto em zonas tropicais como temperadas. Cada indivíduo concentra suas atividades em torno de uma toca, com as fêmeas possuindo os dois quelípodo de mesmo tamanho, enquanto os machos possuem um dos quelípodo hipertrofiado, usados como armas durante interações agressivas para proteção do território ou durante a corte em um movimento característico de display, sendo excelentes modelos para estudos de competição e seleção sexual. Além disso, a escavação do solo para construção de suas tocas acarreta na maior oxigenação do mesmo, altera as condições de drenagem, distribuição de partículas, disponibilidade de matérias orgânicas e nutrientes, sendo assim considerados engenheiros do ecossistema. Portanto, alterações nos manguezais que influenciam na distribuição desse grupo de caranguejos podem intensificar potenciais impactos nessas regiões. A presente tese de doutorado foi dividida em três capítulos. O estudo do capítulo 1 foi realizado em manguezais do litoral centro/sul do Estado de São Paulo, onde investigamos o efeito do sombreamento na distribuição espacial, comportamento e fisiologia de duas espécies de caranguejos-chama-marés: Leptuca leptodactyla e Leptuca urugayensis. Já o estudo do capítulo 2 foi concretizado durante período de doutorado sanduíche no exterior, realizado na Austrália. Nele, examinamos o efeito da migração de espécies de áreas adja... (Resumo completo, clicar acesso eletrônico abaixo)
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Bakthavatchalam, Manikandan. "Utilisation of photometric moments in visual servoing". Thesis, Rennes 1, 2015. http://www.theses.fr/2015REN1S057/document.

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Cette thèse s'intéresse à l'asservissement visuel, une technique de commande à retour d'information visuelle permettant de contrôler le mouvement de systèmes équipées de caméras tels que des robots. Pour l'asservissement visuel, il est essentiel de synthétiser les informations obtenues via la caméra et ainsi établir la relation entre l'évolution de ces informations et le déplacement de la caméra dans l'espace. Celles-ci se basent généralement sur l'extraction et le suivi de primitives géométriques comme des points ou des lignes droites dans l'image. Il a été montré que le suivi visuel et les méthodes de traitement d'images restent encore un frein à l'expansion des techniques d'asservissement visuel. C'est pourquoi la distribution de l'intensité lumineuse de l'image a également été utilisée comme caractéristique visuelle. Finalement, les caractéristiques visuelles basée sur les moments de l'image ont permis de définir des lois de commande découplées. Cependant ces lois de commande sont conditionnées par l'obtention d'une région parfaitement segmentée ou d'un ensemble discret de points dans la scène. Ce travail propose donc une stratégie de capture de l'intensité lumineuse de façon indirecte, par le biais des moments calculés sur toute l'image. Ces caractéristiques globales sont dénommées moments photométriques. Les développements théoriques établis dans cette thèse tendent à définir une modélisation analytique de la matrice d'interaction relative aux moments photométriques. Ces derniers permettent de réaliser une tâche d'asservissement visuel dans des scènes complexes sans suivi visuel ni appariement. Un problème pratique rencontré par cette méthode dense d'asservissement visuel est l'apparition et la disparition de portions de l'image durant la réalisation de la tâche. Ce type de problème peut perturber la commande, voire dans le pire des cas conduire à l’échec de la réalisation de la tâche. Afin de résoudre ce problème, une modélisation incluant des poids spatiaux est proposée. Ainsi, la pondération spatiale, disposant d'une structure spécifique, est introduite de telle sorte qu'un modèle analytique de la matrice d'interaction peut être obtenue comme une simple fonction de la nouvelle formulation des moments photométriques. Une partie de ce travail apporte également une contribution au problème de la commande simultanée des mouvements de rotation autour des axes du plan image. Cette approche définit les caractéristiques visuelles de façon à ce que l'asservissement soit optimal en fonction de critères spécifiques. Quelques critères de sélection basées sur la matrice d'interaction ont été proposés. Ce travail ouvre donc sur d'intéressantes perspectives pour la sélection d'informations visuelles pour l'asservissement visuel basé sur les moments de l'image
This thesis is concerned with visual servoing, a feedback control technique for controlling camera-equipped actuated systems like robots. For visual servoing, it is essential to synthesize visual information from the camera image in the form of visual features and establish the relationship between their variations and the spatial motion of the camera. The earliest visual features are dependent on the extraction and visual tracking of geometric primitives like points and straight lines in the image. It was shown that visual tracking and image processing procedures are a bottleneck to the expansion of visual servoing methods. That is why the image intensity distribution has also been used directly as a visual feature. Finally, visual features based on image moments allowed to design decoupled control laws but they are restricted by the availability of a well-segmented regions or a discrete set of points in the scene. This work proposes the strategy of capturing the image intensities not directly, but in the form of moments computed on the whole image plane. These global features have been termed photometric moments. Theoretical developments are made to derive the analytical model for the interaction matrix of the photometric moments. Photometric moments enable to perform visual servoing on complex scenes without visual tracking or image matching procedures, as long as there is no severe violation of the zero border assumption (ZBA). A practical issue encountered in such dense VS methods is the appearance and disappearance of portions of the scene during the visual servoing. Such unmodelled effects strongly violate the ZBA assumption and can disturb the control and in the worst case, result in complete failure to convergence. To handle this important practical problem, an improved modelling scheme for the moments that allows for inclusion of spatial weights is proposed. Then, spatial weighting functions with a specific structure are exploited such that an analytical model for the interaction matrix can be obtained as simple functions of the newly formulated moments. A part of this work provides an additional contribution towards the problem of simultaneous control of rotational motions around the image axes. The approach is based on connecting the design of the visual feature such that the visual servoing is optimal with respect to specific criteria. Few selection criteria based on the interaction matrix was proposed. This contribution opens interesting possibilities and finds immediate applications in the selection of visual features in image moments-based VS

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Capítulos de libros sobre el tema "Luminous robots"

Flocchini, Paola. "Computations by Luminous Robots". En Ad-hoc, Mobile, and Wireless Networks, 238–52. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19662-6_17.

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Ooshita, Fukuhito y Sébastien Tixeuil. "Ring Exploration with Myopic Luminous Robots". En Lecture Notes in Computer Science, 301–16. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-03232-6_20.

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Hideg, Attila y Tamás Lukovszki. "Asynchronous Filling by Myopic Luminous Robots". En Algorithms for Sensor Systems, 108–23. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-62401-9_8.

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Darwich, Omar, Ahmet-Sefa Ulucan, Quentin Bramas, Anissa Lamani, Anaïs Durand y Pascal Lafourcade. "Perpetual Torus Exploration by Myopic Luminous Robots". En Lecture Notes in Computer Science, 164–77. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-21017-4_11.

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Pramanick, Subhajit, Saswata Jana, Adri Bhattacharya y Partha Sarathi Mandal. "Mutual Visibility with ASYNC Luminous Robots Having Inaccurate Movements". En Algorithmics of Wireless Networks, 41–57. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-48882-5_4.

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Nakajima, Keita, Kaito Takase y Koichi Wada. "Efficient Self-stabilizing Simulations of Energy-Restricted Mobile Robots by Asynchronous Luminous Mobile Robots". En Structural Information and Communication Complexity, 494–500. Cham: Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-60603-8_28.

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Pramanick, Subhajit, Sai Vamshi Samala, Debasish Pattanayak y Partha Sarathi Mandal. "Filling MIS Vertices of a Graph by Myopic Luminous Robots". En Lecture Notes in Computer Science, 3–19. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-24848-1_1.

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Bramas, Quentin, Hirotsugu Kakugawa, Sayaka Kamei, Anissa Lamani, Fukuhito Ooshita, Masahiro Shibata y Sébastien Tixeuil. "Stand-Up Indulgent Gathering on Lines for Myopic Luminous Robots". En Advanced Information Networking and Applications, 110–21. Cham: Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-57853-3_10.

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Nagahama, Shota, Fukuhito Ooshita y Michiko Inoue. "Ring Exploration of Myopic Luminous Robots with Visibility More Than One". En Lecture Notes in Computer Science, 256–71. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-34992-9_20.

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Rauch, Arthur, Quentin Bramas, Stéphane Devismes, Pascal Lafourcade y Anissa Lamani. "Optimal Exclusive Perpetual Grid Exploration by Luminous Myopic Robots Without Common Chirality". En Networked Systems, 95–110. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-91014-3_7.

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Actas de conferencias sobre el tema "Luminous robots"

Nagahama, Shota, Fukuhito Ooshita y Michiko Inoue. "Terminating Grid Exploration with Myopic Luminous Robots". En 2021 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW). IEEE, 2021. http://dx.doi.org/10.1109/ipdpsw52791.2021.00092.

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Kim, Yonghwan, Yoshiaki Katayama y Koichi Wada. "Asynchronous Complete Visibility Algorithm for Luminous Robots on Grid". En 2023 Eleventh International Symposium on Computing and Networking Workshops (CANDARW). IEEE, 2023. http://dx.doi.org/10.1109/candarw60564.2023.00026.

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Pramanick, Subhajit, Saswata Jana, Adri Bhattacharya y Partha Sarathi Mandal. "Distributed Uniform Partitioning of a Region using Opaque ASYNC Luminous Mobile Robots". En ICDCN '24: International Conference on Distributed Computing and Networking. New York, NY, USA: ACM, 2024. http://dx.doi.org/10.1145/3631461.3631555.

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Bramas, Quentin, Pascal Lafourcade y Stéphane Devismes. "Optimal Exclusive Perpetual Grid Exploration by Luminous Myopic Opaque Robots with Common Chirality". En ICDCN '21: International Conference on Distributed Computing and Networking 2021. New York, NY, USA: ACM, 2020. http://dx.doi.org/10.1145/3427796.3427834.

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Sugiyama, Takashi y Masayoshi Kanoh. "Investigating Emotional Expressivity in Robots Wearing Light-Emitting Clothing". En AHFE 2023 Hawaii Edition. AHFE International, 2023. http://dx.doi.org/10.54941/ahfe1004414.

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People communicate smoothly through emotional expressions. Therefore, we consider that emotional expression by robots is necessary for human-robot coexistence as well. Various studies have been conducted on emotional expression by robots. In our previous study, we created a robot named "Tilting Robot" that tilts back and forward, and investigated the effect of the color of the clothing worn by the robot on its emotional expression. The results showed that the intensity of the emotional expression may change depending on the color of the clothing and the speed of the robot's motion. In this paper, we investigate the effect of using light-emitting EL sheets as a material for the robot's clothing. Many robots have been developed that express emotional expression by emitting light from their eyes and cheeks, but there is no research on emotional expression by emitting light from clothing. In addition, light-emitting clothing is easy to implement and does not cause discomfort when worn by a robot, so if light-emitting clothing is effective in emotional expression, it has great potential for application. In the experiment, the robot's clothing was colored red, green, blue, and white, and a light-emitting material (EL sheet) and a non-light-emitting material (felt) were prepared for each of the four colors. Also, for the light-emitting material, two conditions were set: one was to emit light continuously during the robot's motion (constant light-emitting condition), and the other was to emit light in the middle of the robot's motion (midway light-emitting condition). Therefore, there are three conditions for the clothing: the felt condition, the constant light-emitting condition, and the midway light-emitting condition. The robot made a total of five motions, including back and forward tilting motions, fast and slow motions, and no motion while in an upright posture. Subjects observed a total of 60 materials that were a combination of all conditions and motions on a monitor, and evaluated each material.The results of the experiment showed that, first of all, when the robot leaned backward quickly, subjects expressed an emotional expression of surprise, regardless of the type of clothing. In addition, when the motion was slow, the robot also expressed surprise in the mid-lighting condition. These results indicate that the intensity of instantaneous emotional expressions such as surprise depends on the speed of motion, and that the midway light may be used to express the emotion. In addition, it was found that the forward-tilting motion can express the emotional expression of sadness regardless of the type of clothing.Next, when we focused on the color of the clothing, we found that the color red evoked an emotional expression of anger, and that the two luminous conditions evoked anger more strongly than the felt condition, in which no luminescence was emitted. The blue color showed the same level of emotional expression of sadness in all clothing conditions. These results indicate that emotional expression can be achieved by changing the color of clothing, as in previous studies, but that the luminescence of the clothing may make it more pronounced.

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Pérula-Martínez, Raúl, Esther Salichs, Irene P. Encinar, Álvaro Castro-González y Miguel A. Salichs. "Improving the Expressiveness of a Social Robot through Luminous Devices". En HRI '15: ACM/IEEE International Conference on Human-Robot Interaction. New York, NY, USA: ACM, 2015. http://dx.doi.org/10.1145/2701973.2702021.

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"MICROSILICON LUMINOUS FLUX SWITCH CONTROLLED BY MEANS OF MAGNETIC FIELD". En 2nd International Conference on Informatics in Control, Automation and Robotics. SciTePress - Science and and Technology Publications, 2005. http://dx.doi.org/10.5220/0001168403010306.

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Nakayama, Shigeki, Itaru Matsumoto y Masato Uchida. "Self-localization by omni-directional camera and luminous landmarks for autonomous mobile robot". En TENCON 2016 - 2016 IEEE Region 10 Conference. IEEE, 2016. http://dx.doi.org/10.1109/tencon.2016.7848704.

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Mao, Yuchen, Jian Guo, Shuxiang Guo y Qiang Fu. "Design of a Capsule Robot System for Gastric Hemorrhage Detection using Luminol". En 2023 IEEE International Conference on Mechatronics and Automation (ICMA). IEEE, 2023. http://dx.doi.org/10.1109/icma57826.2023.10215594.

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Figueirêdo, Ilan Sousa, Tássio Farias Carvalho, Wenisten José Dantas Silva, Lílian Lefol Nani Guarieiro y Erick Giovani Sperandio Nascimento. "Detecting Interesting and Anomalous Patterns In Multivariate Time-Series Data in an Offshore Platform Using Unsupervised Learning". En Offshore Technology Conference. OTC, 2021. http://dx.doi.org/10.4043/31297-ms.

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Abstract Detection of anomalous events in practical operation of oil and gas (O&G) wells and lines can help to avoid production losses, environmental disasters, and human fatalities, besides decreasing maintenance costs. Supervised machine learning algorithms have been successful to detect, diagnose, and forecast anomalous events in O&G industry. Nevertheless, these algorithms need a large quantity of annotated dataset and labelling data in real world scenarios is typically unfeasible because of exhaustive work of experts. Therefore, as unsupervised machine learning does not require an annotated dataset, this paper intends to perform a comparative evaluation performance of unsupervised learning algorithms to support experts for anomaly detection and pattern recognition in multivariate time-series data. So, the goal is to allow experts to analyze a small set of patterns and label them, instead of analyzing large datasets. This paper used the public 3W database of three offshore naturally flowing wells. The experiment used real data of production of O&G from underground reservoirs with the following anomalous events: (i) spurious closure of Downhole Safety Valve (DHSV) and (ii) quick restriction in Production Choke (PCK). Six unsupervised machine learning algorithms were assessed: Cluster-based Algorithm for Anomaly Detection in Time Series Using Mahalanobis Distance (C-AMDATS), Luminol Bitmap, SAX-REPEAT, k-NN, Bootstrap, and Robust Random Cut Forest (RRCF). The comparison evaluation of unsupervised learning algorithms was performed using a set of metrics: accuracy (ACC), precision (PR), recall (REC), specificity (SP), F1-Score (F1), Area Under the Receiver Operating Characteristic Curve (AUC-ROC), and Area Under the Precision-Recall Curve (AUC-PRC). The experiments only used the data labels for assessment purposes. The results revealed that unsupervised learning successfully detected the patterns of interest in multivariate data without prior annotation, with emphasis on the C-AMDATS algorithm. Thus, unsupervised learning can leverage supervised models through the support given to data annotation.

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