Relevant bibliographies by topics / MAPOD

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Academic literature on the topic 'MAPOD'

Author: Grafiati
Published: 25 May 2024

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Journal articles on the topic "MAPOD"

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Du, Xiaosong, and Leifur Leifsson. "Efficient uncertainty propagation for MAPOD via polynomial chaos-based Kriging." Engineering Computations 37, no. 1 (August 2, 2019): 73–92. http://dx.doi.org/10.1108/ec-04-2019-0157.

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Purpose Model-assisted probability of detection (MAPOD) is an important approach used as part of assessing the reliability of nondestructive testing systems. The purpose of this paper is to apply the polynomial chaos-based Kriging (PCK) metamodeling method to MAPOD for the first time to enable efficient uncertainty propagation, which is currently a major bottleneck when using accurate physics-based models. Design/methodology/approach In this paper, the state-of-the-art Kriging, polynomial chaos expansions (PCE) and PCK are applied to “a^ vs a”-based MAPOD of ultrasonic testing (UT) benchmark problems. In particular, Kriging interpolation matches the observations well, while PCE is capable of capturing the global trend accurately. The proposed UP approach for MAPOD using PCK adopts the PCE bases as the trend function of the universal Kriging model, aiming at combining advantages of both metamodels. Findings To reach a pre-set accuracy threshold, the PCK method requires 50 per cent fewer training points than the PCE method, and around one order of magnitude fewer than Kriging for the test cases considered. The relative differences on the key MAPOD metrics compared with those from the physics-based models are controlled within 1 per cent. Originality/value The contributions of this work are the first application of PCK metamodel for MAPOD analysis, the first comparison between PCK with the current state-of-the-art metamodels for MAPOD and new MAPOD results for the UT benchmark cases.
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Falcetelli, Francesco, Nan Yue, Leonardo Rossi, Gabriele Bolognini, Filippo Bastianini, Dimitrios Zarouchas, and Raffaella Di Di Sante. "A Model-Assisted Probability of Detection Framework for Optical Fiber Sensors." Sensors 23, no. 10 (May 16, 2023): 4813. http://dx.doi.org/10.3390/s23104813.

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Optical fiber sensors (OFSs) represent an efficient sensing solution in various structural health monitoring (SHM) applications. However, a well-defined methodology is still missing to quantify their damage detection performance, preventing their certification and full deployment in SHM. In a recent study, the authors proposed an experimental methodology to qualify distributed OFSs using the concept of probability of detection (POD). Nevertheless, POD curves require considerable testing, which is often not feasible. This study takes a step forward, presenting a model-assisted POD (MAPOD) approach for the first time applied to distributed OFSs (DOFSs). The new MAPOD framework applied to DOFSs is validated through previous experimental results, considering the mode I delamination monitoring of a double-cantilever beam (DCB) specimen under quasi-static loading conditions. The results show how strain transfer, loading conditions, human factors, interrogator resolution, and noise can alter the damage detection capabilities of DOFSs. This MAPOD approach represents a tool to study the effects of varying environmental and operational conditions on SHM systems based on DOFSs and for the design optimization of the monitoring system.
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Bao, Yang, Minxuan Xu, Jiahao Qiu, and Jiming Song. "Efficient Model Assisted Probability of Detection Estimations in Eddy Current NDT with ACA-SVD Based Forward Solver." Sensors 22, no. 19 (October 8, 2022): 7625. http://dx.doi.org/10.3390/s22197625.

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Model assisted probability of detection (MAPoD) is crucial for quantifying the inspection capability of a nondestructive testing (NDT) system which uses the coil or probe to sense the size and location of the cracks. Unfortunately, it may be computationally intensive for the simulation models. To improve the efficiency of the MAPoD, in this article, an efficient 3D eddy current nondestructive evaluation (ECNDE) forward solver is proposed to make estimations for PoD study. It is the first time that singular value decomposition (SVD) is used as the recompression technique to improve the overall performance of the adaptive cross approximation (ACA) algorithm-based boundary element method (BEM) ECNDE forward solver for implementation of PoD. Both the robustness and efficiency of the proposed solver are demonstrated and testified by comparing the predicted impedance variations of the coil with analytical, semi-analytical and experimental benchmarks. Calculation of PoD curves assisted by the proposed simulation model is performed on a finite thickness plate with a rectangular surface flaw. The features, which are the maximum impedance variations of the coil for various flaw lengths, are obtained entirely by the proposed model with selection of the liftoff distance as the uncertain parameter in a Gaussian distribution. The results show that the proposed ACA-SVD based BEM fast ECNDE forward solver is an excellent simulation model to make estimations for MAPoD study.
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Angevin, Frédérique, Etienne K. Klein, Cécile Choimet, Arnaud Gauffreteau, Claire Lavigne, Antoine Messéan, and Jean Marc Meynard. "Modelling impacts of cropping systems and climate on maize cross-pollination in agricultural landscapes: The MAPOD model." European Journal of Agronomy 28, no. 3 (April 2008): 471–84. http://dx.doi.org/10.1016/j.eja.2007.11.010.

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Cassol Damo, Cássia, Daiana Argenta Kümpel, Elisa Pelissaro, Ana Luisa Sant'Anna Alves, and Tatiane Basso. "MÚSCULO ADUTOR DO POLEGAR: PREDITOR DE DESNUTRIÇÃO EM PACIENTES COM CÂNCER DE CABEÇA E PESCOÇO." Revista Contexto & Saúde 17, no. 32 (June 2, 2017): 93. http://dx.doi.org/10.21527/2176-7114.2017.32.93-101.

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Este estudo teve como objetivo descrever a medida da espessura do músculo adutor do polegar (MAP) como preditor de desnutrição em pacientes oncológicos. Trata-se de um estudo quantitativo de delineamento transversal com pacientes em tratamento oncológico com diagnóstico de câncer de cabeça e pescoço. Os dados foram coletados através de uma ficha de anamnese nutricional que aborda dados demográficos, clínicos e antropométricos. Para a avaliação antropométrica, utilizou-se os seguintes parâmetros: índice de massa corporal (IMC), circunferência do braço (CB), prega cutânea tricipital (PCT), circunferência muscular do braço (CMB), área muscular do braço corrigida (AMBc), músculo adutor do polegar da mão dominante (MAPD), músculo adutor do polegar da mão não dominante (MAPND) e percentual de perda de peso (%PP). Os resultados indicaram maior prevalência do sexo masculino (82,1%) com média de idade de 64,57±12,52 anos. Quanto à localização do tumor, constatamos maior prevalência de câncer de laringe (28,6%), seguido de câncer de cavidade oral (25%) e câncer de orofaringe (17,9%). Segundo o IMC, a maioria dos pacientes encontravam-se eutróficos (46,4%). A desnutrição esteve mais prevalente através das medidas de CB, PCT, AMBc, MAPD e MAPND. Foi diagnosticado que 78,6% dos pacientes estavam desnutridos segundo a medida do MAP das mãos dominante e não dominante. Os resultados sugerem que a medida do MAP pode ser um método sensível para identificação da desnutrição, contudo, se fazem necessários mais estudos com o objetivo de verificar a eficácia desta medida, proporcionando assim, uma maior compreensão da utilização da mesma para esses pacientes.
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Hariana, Made Satya, I. Gede Partha Sindu, and Dewa Gede Hendra Divayana. "Film Dokumenter :"Pelestarian Lingkungan Melalui Permainan Tradisional Mapoh - Pohan"." Kumpulan Artikel Mahasiswa Pendidikan Teknik Informatika (KARMAPATI) 8, no. 2 (July 26, 2019): 415. http://dx.doi.org/10.23887/karmapati.v8i2.18387.

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Penelitian ini bertujuan: (1) Untuk menghasilkan rancangan dan mengimplementasikan hasil rancangan film dokumenter: ”Pelestarian Lingkungan Melalui Permainan Tradisional Mapoh-pohan”, (2) Untuk mengetahui respon masyarakat terhadap hasil akhir film dokumenter: ”Pelestarian Lingkungan Melalui Permainan Mapoh-pohan”. Metode penelitian yang digunakan pada film dokumenter Mapoh-pohan adalah Research and Develompent dengan model cyclic strategy. Tradisi Mapoh-pohan yang dipilih sebagai subjek penelitian adalah Mapoh-pohan yang ada pada Banjar Ole, Desa Dauh Puri, Kecamatan Marga, Kabupaten Tabanan. Adapun tahap – tahap dari Cyclic Strategy diantaranya adalah brief, tahap 1, tahap 2, evaluasi 1, tahap 3, evaluasi 2, tahap 4 dan Outcome. Hasil penelitian menunjukkan bahwa film dokumenter: ”Pelestarian Lingkungan Melalui Permainan Tradisional Mapoh-pohan” dalam kriteria sangat baik. Hasil yang diperoleh dari uji ahli isi dan uji ahli media seluruhnya sudah sesuai. Sedangkan dari uji respon penonton disebar ke 30 responden didapatkan hasil rata-rata presentase yaitu 93,66% dengan tingkat pencapaian “sangat baik”. Kesimpulan yang didapatkan film dokumenter: ”Pelestarian Lingkungan Melalui Permainan Tradisional Mapoh-pohan” sudah sangat baik dan bisa digunakan sebagai media pelestari dan promosi permainan tradisional “Mapoh-pohan” dalam bentuk dokumentasi digital. Kata kunci: Film Dokumenter, Mapoh-pohan, Permainan Tradisional, Cyclic Strategy This study aims: (1) To produce a design and implement the result of documentary film: "Environmental Preservation through Mapoh-pohan Traditional Game", (2) To find out the public response to the final result of documentary film: "Environmental Preservation Through Mapoh-pohan Traditional Game". The research method used in the Mapoh-pohan documentary film was Research and Develompent with a cyclic strategy model. Mapoh-pohan tradition chosen as the research subject was Mapoh-pohan in Banjar Ole, Dauh Puri Village, Marga District, Tabanan Regency. The results showed that the documentary film: "Environmental Preservation through Mapoh-pohan Traditional Game" was in very good criteria. The results obtained from the content expert test and the media expert test are all appropriate. Whereas from the audience response test spread to 30 respondents, the average percentage was 93.66% with a "very good" achievement level. The conclusion obtained by the documentary film: "Environmental Preservation through Mapoh-pohan Traditional Game" has been very good and can be used as a preservation media and promotion of "Mapoh-pohan" traditional games in the form of digital documentation. Keywords: Documentary Film, Mapoh-pohan, Traditional Game, Cyclic Strategy.
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Sunarningsih, NFn. "HUNIAN BERBENTENG (KUTA) MAPOT: STUDI BENTUK, SIMBOL, DAN KRONOLOGI (THE FORTIFIED DWELLING (KUTA) OF MAPOT: STUDY OF FORM, SYMBOL, AND CHRONOLOGY)." Kindai Etam: Jurnal Penelitian Arkeologi 5, no. 1 (February 10, 2020): 13–26. http://dx.doi.org/10.24832/ke.v5i1.51.

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Kuta Mapot yang berada di wilayah Desa Tumbang Lapan, Kecamatan Rungan Hulu, Kabupaten Gunungmas, Provinsi Kalimantan Tengah, merupakan hunian berbenteng di tepian anak Sungai Tumbang Lapan, di Daerah Aliran Sungai (DAS) Kahayan bagian hulu. Kuta ini termasuk istimewa karena masih nampak beberapa tiangnya, baik dari bagian pagar keliling maupun bangunan di dalamnya. Penelitian ini bertujuan untuk merekonstruksi bentuk, simbol, dan kronologi hunian berbenteng Mapot. Penelitian bersifat deskriptif dengan pendekatan induktif. Pengumpulan data menggunakan metode survei, ekskavasi, wawancara, dan studi pustaka. Hasil penelitian memberi gambaran bahwa Kuta Mapot berbentuk persegi, yang dibentuk oleh pagar keliling dari balok ulin, dilengkapi dengan beberapa patung yang bermakna simbolik sebagai penolak bala sekaligus penjaga, dan bangunan patahu. Secara kronologi (absolut) berdasarkan analisis 14C, Mapot berada di kisaran abad ke-5--20 Masehi, sedangkan secara relatif (keramik Cina) berada pada abad ke-18--20 Masehi. Pendukung Kuta Mapot adalah masyarakat asli, yang sekarang dikenal dengan nama masyarakat Ngaju yang tinggal di Desa Tumbang Lapan, Kecamatan Rungan Hulu. Kuta Mapot, located in the Tumbang Lapan Village, Rungan Hulu Subdistrict, Gunungmas Regency, Central Kalimantan Province, is a fortified residence on the banks of the Tumbang Lapan tributary, in the upper of Kahayan River Basin. Kuta is specially considered because there can still be found some pillars, both from the part of the fences and the buildings inside. This study aims to reconstruct the shape, symbols, and chronology of Mapot fortified dwellings in the village of Tumbang Lapan. Research is descriptive with an inductive approach. The data were collected by survey, excavation, interview, and literature study methods. The study can illustrate that Kuta Mapot is square in shape, formed by a perimeter fence of ironwood beams, equipped with several sculptures that have symbolic meanings as repellent as well as guards, and patahu building. Chronologically (absolute) based on C14 analysis, Mapot is in the range of the 5th-20th century AD, while relatively (Chinese ceramics) is in the 18th-20th century AD. Supporters of Kuta Mapot were indigenous people, now known as Ngaju people who live in Tumbang Lapan Village, Rungan Hulu District.
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Emoff, Ron. "Rene Lacaille: Mapou." Ethnomusicology 50, no. 1 (January 1, 2006): 166–68. http://dx.doi.org/10.2307/20174437.

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Forcaia, Greta, Beatrice Formicola, Giulia Terribile, Sharon Negri, Dmitry Lim, Gerardo Biella, Francesca Re, Francesco Moccia, and Giulio Sancini. "Multifunctional Liposomes Modulate Purinergic Receptor-Induced Calcium Wave in Cerebral Microvascular Endothelial Cells and Astrocytes: New Insights for Alzheimer’s disease." Molecular Neurobiology 58, no. 6 (January 29, 2021): 2824–35. http://dx.doi.org/10.1007/s12035-021-02299-9.

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AbstractIn light of previous results, we assessed whether liposomes functionalized with ApoE-derived peptide (mApoE) and phosphatidic acid (PA) (mApoE-PA-LIP) impacted on intracellular calcium (Ca2+) dynamics in cultured human cerebral microvascular endothelial cells (hCMEC/D3), as an in vitro human blood-brain barrier (BBB) model, and in cultured astrocytes. mApoE-PA-LIP pre-treatment actively increased both the duration and the area under the curve (A.U.C) of the ATP-evoked Ca2+ waves in cultured hCMEC/D3 cells as well as in cultured astrocytes. mApoE-PA-LIP increased the ATP-evoked intracellular Ca2+ waves even under 0 [Ca2+]e conditions, thus indicating that the increased intracellular Ca2+ response to ATP is mainly due to endogenous Ca2+ release. Indeed, when Sarco-Endoplasmic Reticulum Calcium ATPase (SERCA) activity was blocked by cyclopiazonic acid (CPA), the extracellular application of ATP failed to trigger any intracellular Ca2+ waves, indicating that metabotropic purinergic receptors (P2Y) are mainly involved in the mApoE-PA-LIP-induced increase of the Ca2+ wave triggered by ATP. In conclusion, mApoE-PA-LIP modulate intracellular Ca2+ dynamics evoked by ATP when SERCA is active through inositol-1,4,5-trisphosphate-dependent (InsP3) endoplasmic reticulum Ca2+ release. Considering that P2Y receptors represent important pharmacological targets to treat cognitive dysfunctions, and that P2Y receptors have neuroprotective effects in neuroinflammatory processes, the enhancement of purinergic signaling provided by mApoE-PA-LIP could counteract Aβ-induced vasoconstriction and reduction in cerebral blood flow (CBF). Our obtained results could give an additional support to promote mApoE-PA-LIP as effective therapeutic tool for Alzheimer’s disease (AD).
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Ferhat, L., A. Represa, A. Bernard, Y. Ben-Ari, and M. Khrestchatisky. "MAP2d promotes bundling and stabilization of both microtubules and microfilaments." Journal of Cell Science 109, no. 5 (May 1, 1996): 1095–103. http://dx.doi.org/10.1242/jcs.109.5.1095.

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Two low molecular weight MAP2 variants have been described, MAP2c and MAP2d. These variants are produced from a single gene by alternative splicing, and in their C-terminal regions contain, respectively, 3 and 4 tandem repeats, some of which are known to be involved in binding to microtubules. Substantial differences in the developmental expression pattern of MAP2c and MAP2d suggest they have different functions in neural cells. In order to investigate the respective roles of these MAP2 variants, we have analyzed the effects of MAP2c and MAP2d expression on microtubule and microfilament organization in transiently transfected cells. Our results show that both variants stabilize microtubules, but only MAP2d stabilizes microfilaments.
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Dissertations / Theses on the topic "MAPOD"

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Azzabi, Zouraq Brahim. "Optimisation du procédé de contrôle non destructif par thermographie inductive pour des applications du domaine nucléaire." Thesis, Nantes, 2019. http://www.theses.fr/2019NANT4023/document.

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Les travaux de cette thèse traitent d’une technique de contrôle non destructif (CND) novatrice et de son adaptation au domaine du nucléaire civil. L’outil numérique est utilisé à cette fin. Une présentation exhaustive des modèles numériques adaptés à la problématique est tout d’abord faite. Ces outils sont par la suite implémentés et leurs performances comparées. Ceci a permis de mettre en place un outil numérique rapide et capable de prendre en comptes différentes contraintes de modélisation. Il s’agit plus essentiellement de la prise en compte du circuit, d’alimentation du système de chauffe, de la modélisation des régions à effet de peau prononcé, ainsi que la modélisation des défauts fins. Ceci est suivi par une validation expérimentale des performances numériques. L’outil implémenté est validé et exploité dans le cadre d’une démarche d’évaluation de fiabilité basé sur une approche MAPOD. Dans ce cadre tout un système de tirage de données d’entrée et de gestion de données de sortie est établi. Le fruit de ceci est un outil logiciel fiable et rapide dédié à l’évaluation de la sensibilité de la technique thermo-inductive
The work of this thesis deals with an innovative non-destructive testing (NDT) technique and its adaptation to the civil nuclear field. The numerical tool is used for this purpose. An exhaustive presentation of numerical models adapted to our problematic is made at first. These tools are then implemented and their performance compared. This made it possible to set up a fast digital tool capable of taking into account different modeling constraints such as circuit coupling, modeling of pronounced skineffect regions, as well as modeling of thin defects. This was followed by an experimental validation of the performances. Once the tool implemented and validated, it was exploited as part of a reliability assessment approach based on a MAPOD approach. In this context, an entire system for drawing input data and managing output data will be established. The result of this is a reliable and fast software tool dedicated to the evaluation of the sensibility of the thermoinductive technique
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Reseco, Bato Miguel. "Nouvelle méthodologie générique permettant d’obtenir la probabilité de détection (POD) robuste en service avec couplage expérimental et numérique du contrôle non destructif (CND)." Thesis, Toulouse, ISAE, 2019. http://www.theses.fr/2019ESAE0014/document.

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L’évaluation des performances des procédures de Contrôle Non Destructifs (CND) en aéronautique est une étape clé dans l’établissement du dossier de certification de l’avion. Une telle démonstration de performances est faite à travers l’établissement de probabilités de détection (Probability Of Detection – POD), qui intègrent l’ensemble des facteurs influents et sources d’incertitudes inhérents à la mise en œuvre de la procédure. Ces études, basées sur des estimations statistiques faites sur un ensemble représentatif d’échantillons, reposent sur la réalisation d’un grand nombre d’essais expérimentaux (un minimum de 60 échantillons contenant des défauts de différentes tailles, qui doivent être inspectés par au moins 3 opérateurs [1]), afin de recueillir un échantillon suffisant pour une estimation statistique pertinente. Le coût financier associé est élevé, parfois prohibitif, et correspond majoritairement à la mise en œuvre des maquettes servant aux essais. Des travaux récents [2-5] ont fait émerger une approche de détermination de courbes POD utilisant la simulation des CND, notamment avec le logiciel CIVA. L’approche, dite de propagation d’incertitudes, consiste à : - Définir une configuration nominale d’inspection, - Identifier l’ensemble des paramètres influents susceptibles de varier dans l’application de la procédure, - Caractériser les incertitudes liées à ces paramètres par des lois de probabilités, - Réaliser un grand nombre de simulations par tirage aléatoire des valeurs prises par les paramètres variables selon les lois de probabilités définies. Le résultat de cet ensemble de simulations constitue enfin la base de données utilisée pour l’estimation des POD. Cette approche réduit de façon très importante les coûts d’obtention des POD mais est encore aujourd’hui sujette à discussions sur sa robustesse vis-à-vis des données d’entrée (les lois de probabilité des paramètres incertains) et sur la prise en compte des facteurs humains. L’objectif de cette thèse est de valider cette approche sur des cas d’application AIRBUS et d’en améliorer la robustesse afin de la rendre couramment utilisable au niveau industriel, notamment en la faisant accepter par les autorités de vol (FAA et EASA). Pour ce faire le thésard devra mener des campagnes de validations des codes de simulation des CND, mettre en œuvre la méthodologie décrite plus haut sur les cas d’application AIRBUS, puis proposer et mettre en œuvre des stratégies d’amélioration de la robustesse de la méthode vis-à-vis des données d’entrée et des facteurs liés à l’humain
The performance assessment of non-destructive testing (NDT) procedures in aeronautics is a key step in the preparation of the aircraft's certification document. Such a demonstration of performance is done through the establishment of Probability of Detection (POD) laws integrating all sources of uncertainty inherent in the implementation of the procedure. These uncertainties are due to human and environmental factors in In-Service maintenance tasks. To establish experimentally these POD curves, it is necessary to have data from a wide range of operator skills, defect types and locations, material types, test protocols, etc. Obtaining these data evidences high costs and significant delays for the aircraft manufacturer. The scope of this thesis is to define a robust methodology of building POD from numerical modeling. The POD robustness is ensured by the integration of the uncertainties through statistical distributions issued from experimental data or engineering judgments. Applications are provided on titanium beta using high frequency eddy currents NDT technique. First, an experimental database will be created from three environments: laboratory, A321 aircraft and A400M aicraft. A representative sample of operators, with different certification levels in NDT technique, will be employed. Multiple inspection scenarios will be carried out to analyze these human and environmental factors. In addition, this study will take into account the impact of using different equipments in the HFEC test. This database is used, subsequently, to build statistical distributions. These distributions are the input data of the simulation models of the inspection. These simulations are implemented with the CIVA software. A POD module, based on the Monte Carlo method, is integrated into this software. This module will be applied to address human and ergonomic influences on POD. Additionally this module will help us to understand in a better way the equipment impact in POD curves. Finally, the POD model will be compared and validated with the experimental results developed
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Fugita, Henrique Shoiti. "MAPOS: método de análise e projeto orientado a serviços." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/3/3141/tde-15092009-171050/.

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Com a crescente adoção do conceito de Arquitetura Orientada a Serviços (SOA) pelas organizações, torna-se necessário solucionar um dos principais desafios trazidos por este estilo arquitetural, que é a análise e projeto de serviços. Alguns métodos de análise e projeto de soluções orientadas a serviços vêm sendo propostos, mas ainda estão longe de convergir em direção a uma padronização. Este trabalho realiza uma avaliação crítica dos métodos existentes e levanta um conjunto de requisitos de análise e projeto orientado a serviços. Baseado nesta análise, é proposto um método para unificar as boas práticas dos métodos existentes e atender aos requisitos levantados. Para verificar a aplicabilidade do método, dois estudos de caso foram conduzidos em projetos reais.
With the growing adoption of Service-Oriented Architeture (SOA) by the organizations, it becomes necessary to address one of the main challenges imposed by this architetural style, which is services analysis and design. Some service-oriented applications analysis and design methods have been proposed, but have not yet converged towards standardization. This work performs a critical assessment of existing methods and describes a set of requirements of service-oriented analysis and design. Based on that study, a new method is proposed to unify the best practices of existing methods and satisfy the gathered requirements. In order to verify the applicability of the method, two case studies were conducted in real projects.
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Cresswell, Sarah Louise. "A systematic study of the synthesis of aluminophosphate-based materials." Thesis, University of Greenwich, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389507.

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Massa, Ana Rosa Caribé de Góes. "Analisador virtual para a determinação do teor dos contaminantes mapd em um reator tricklebed." Escola Politécnica da Universidade Federal da Bahia, 2017. http://repositorio.ufba.br/ri/handle/ri/25218.

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Analisadores em linha fornecem uma resposta rápida de composição em comparação às análises laboratoriais. Porém, esses estão sujeitos a frequentes interferências e contaminações devido às substâncias utilizadas nas correntes reais, que agridem, contaminam e comprometem o funcionamento do equipamento, exigindo manutenções rotineiras. Durante estas, há perda de informações vitais que podem culminar numa parada da produção, a não ser que outro equipamento permita estimar tais informações de maneira confiável. Desta forma, o presente trabalho tem por objetivo desenvolver um analisador virtual para estimar a concentração dos contaminantes metilacetileno e propadieno (MAPD) em um reator trickle bed em uma indústria de propileno no Brasil. A partir da coleta de dados de processos de uma campanha catalítica, coletados por cromatógrafos a gás, termopares e medidores de vazão, foram desenvolvidos modelos de calibração multivariada utilizando a técnica de Regressão por Mínimos Quadrados Parciais (PLS), para dois leitos catalíticos, A e B. Dados de treze variáveis de processo, monitoradas a cada 10 minutos durante uma campanha catalítica para cada leito, foram utilizados. Os modelos PLS foram desenvolvidos e validados e foram capazes de fornecer valores preditos confiáveis, com R2 de 0,84 para o leito A e 0,92 para o leito B. Normalidade e homocedacidade dos resíduos foram observadas em ambos modelos. Além disso, foi realizada uma seleção de variáveis utilizando o gráfico de escores VIP (Variable Importance in Projection) obtido durante o desenvolvimento dos modelos PLS. As variáveis mais importantes foram selecionadas e os modelos PLS construídos apenas com essas variáveis mantiveram a capacidade de predição em ambos os leitos, com valores de R2 de 0,82 para o leito A e 0,87 para o leito B. Normalidade e homocedacidade dos resíduos foram mantidas, e um teste F não gerou evidência que indicasse diferença significativa entre os modelos desenvolvidos antes e após a seleção de variáveis. Dessa forma, os modelos PLSVIP fornecem uma estimativa confiável do teor de MAPD no reator trickle bed na planta de propeno estudada. Esses resultados mostraram que os métodos desenvolvidos possuem um alto potencial de aplicação nos reatores estudados caso haja necessidade, evitando assim uma parada da planta e subsequente perda de capital investido.
Online analysers grant a faster answer on the composition of products when compared with laboratory analysis. However, the former is often affected by substances in the stream line which harm and compromise its normal working state, calling for frequent maintenance. During those, the loss of vital information could lead to a halt in production, unless another device allows for such information to be carefully estimated.As such, this paper aims at developing a Virtual Analyser that can estimate the concentration of methylacetylene and propadiene (MAPD) contaminants in a trickle bed reactor at a propene industrial plant in Brazil. Process data collected in the reactor by gas chromatographers,temperature probes and flowmeters were employed to build multivariate calibration models by using the Partial Least Square Regression(PLS)technique, for two bed reactors, A and B.Data from thirteen process variables, monitored every 10 minutes during one catalytic campaign for each bed, of about three months each, were used. The developed PLS models for both beds have shown a great prediction capacity and remarkable performances, with R2 of 0.84 for bed A and 0.92 for bed B. Residual normality and homoscedasticity were observed for both models. In addition, a variable selection approach was carried out using the VIP (Variable Importance in Projection) score plot obtained during the developed PLS models. The most important variables (process variables)were selected and the PLS models built with only these variables were still able to keep are markable prediction ability for both beds, with a R2 of 0.82 for bed A and 0.87 for bed B. Residual normality and homoscedasticity were kept, and an F test did not provide evidence for significant difference between the models developed before and after the variable selection. Therefore, the PLS-VIP models provided a reliable estimate of the MAPD content in the trickle bed reactors at the studied propene plant. These outcomes showed that the developed methods present a high potential for application in the studied reactors, if necessary, in order to prevent a halt in production and its subsequent loss of invested capital.
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6

Pinho, Bruno Miguel da Silva. "Les propriétés spécifiques des fluides supercritiques au service des systèmes réactifs contraignants." Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0229/document.

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Le développement de nouveaux catalyseurs pour l’hydrogénation sélective du propyne et du propadiène (MAPD) est un processus complexe, puisqu’il s’agit d’une réaction rapide effectuée en gaz-liquide-solide. Dans ces conditions, le flux d'hydrogène transporté aux sites actifs du catalyseur contrôle la vitesse de la réaction, particulièrement à l’échelle pilote. Cela rend difficile la comparaison des performances des différents catalyseurs (conversion et sélectivité). Afin d’améliorer la discrimination des solides, l’hydrogénation sélective du MAPD a été étudiée en monophasique (fluide/solide) dans un réacteur filaire à haute pression et en supercritique.La première partie de la thèse a eu pour objectif de déterminer les conditions de fonctionnement adéquates : un dispositif expérimental microfluidique et une méthodologie associée ont été développés et validés pour obtenir les diagrammes P-T de miscibilité et les coordonnées critiques des systèmes réactionnels mis en jeu. En parallèle, le réacteur a été caractérisé en utilisant des outils numériques (CFD) appliqués à l’hydrodynamique et au transfert de masse. Les tests expérimentaux ont alors pu être menés, dans la seconde partie de la thèse, afin d’étudier l'hydrogénation du MAPD à 303 K entre 20 et 120 bar. Dans ces conditions, plusieurs paramètres ont été étudiés, tels que la PPH (vitesse spatiale horaire, ou WHSV en anglais), la pression et la fraction de solvant. Les résultats montrent un gain important de conversion du MAPD à haute pression et en conditions supercritiques par rapport aux conditions classiques (>5 fois plus). Cela peut s’expliquer par la suppression de l’interface gaz-liquide et l’amélioration des diffusivités. Les variations de sélectivité observées en parallèle montre sa dépendance au flux d’hydrogène amené. Ces résultats prometteurs permettent une meilleure discrimination des catalyseurs ainsi qu’une meilleure compréhension du système réactif. Ainsi, pour la première fois, en utilisant ces données non classiques, il a au final été possible d'estimer des paramètres cinétiques intrinsèques pour l’hydrogénation sélective des coupes C3
The development of new catalysts for propyne and propadiene (MAPD) hydrogenation is a complex process, because it is a fast reaction performed in gas-liquid-solid. Indeed, in these conditions, the hydrogen flux (G/L and L/S) transported to the reaction sites controls the overall reaction rate, particularly at pilot scale. To avoid this limitation, the MAPD selective hydrogenation was performed in single-phase, using a single pellet string reactor (SPSR) at high-pressure and supercritical conditions. For both conditions, the literature is scarce. Thus, the first step was to develop and validate a microfluidic experimental apparatus and a methodology based on “design of experiments”, in order to obtain PT miscibility diagrams and critical coordinates. These methods combined allowed a fast PT screening compared to conventional phase behavior cells, being around 5 times higher. In parallel, the SPSR was characterized by computational fluid dynamics (CFD) for flow and mass transfer. It was shown that the hydrodynamic inside the reactor can be modeled as a plug flow reactor with low axial dispersion, and a LS mass transfer correlation was proposed. After the fluid and reactor characterization, the MAPD hydrogenation was performed at 303 K and from 20 to 120 bar. At these conditions, several parameters were tested, such as WHSV (weight hourly space velocity), pressure and solvent fraction. The results showed that high-pressure and supercritical conditions offer better reaction performance, which is due to the suppression of the gas-liquid limitation and to the diffusivity enhancements (more than 5 times faster than conventional conditions). With this thesis, it was possible, for the first time, to estimate the intrinsic kinetics parameters of a dense C3 cut mixture hydrogenation, allowing a deeper understanding of the involved mechanism. Thus, the use of unconventional conditions has opened a door to new forms of catalyst screening and new ways to study kinetics
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7

Porto, Obanshe Severo D. Acelino e. "Medida da capacidade anaeróbica em atletas dos esportes coletivos de invasão : MAOD e Line Drill Test." Universidade Federal de Sergipe, 2015. https://ri.ufs.br/handle/riufs/4944.

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The anaerobic capacity is crutial to the results of team invasion games and can be assessed through the Line Drill Test (LDT), which shows correlations with Wingate. Its results and execution time is commonly obtained using manual timers. The anaerobic capacity can also be measured by the Maximal Accumulated Oxygen Deficit (MAOD), adopted as the gold standard for this capability. The classic version of this method requires time and cost relatively high, while the alternate version (MAODALT), although, although it presents time and execution costs reduced, has been validated exclusively for the cycle ergometer, which does not meet the motor demands of team invasion games. Based on that, three studies were developed, with the following objectives: a) Determine the reliability of results records of LDT runtime through stopwatches and video analysis; b) Validate the protocol for determining the MAOD through MAODALT, performed with treadmill in athletes of team invasion games; c) Validate the LDT as a measure of anaerobic capacity in collective team invasion games, comparing it to a gold standard test and specific to movement. Participated in the present research university basketball athletes, handball and futsal. There was good agreement between the runtime registration measures for all measures and there was no significant difference (p = 0.999). The MAODALT showed high correlation (r = 0.76; p = 0.030) and good agreement with the MAOD. Finally, MAOD obtained in the LDT (MAODLD) showed good agreement with the classic MAOD and MAODALT. Our results suggest that: a) the use of both timers and videos to record the LDT time is valid and reliable; b) The MAODALT obtained in tests on the treadmill proved to be able to estimate the classic MAOD in athletes of team invasion games; c) The LDT can be used to estimate the MAOD, however, its running time is not associated with the measure of anaerobic capacity represented by MAOD.
A capacidade anaeróbica é determinante nos resultados dos esportes coletivos de invasão e pode ser avaliada através do Line Drill Test (LDT), que apresenta correlações com o Wingate. Seu resultado, tempo de execução, é comumente obtido utilizando cronômetros manuais. A capacidade anaeróbica também pode ser mensurada pelo máximo déficit de oxigênio acumulado (MAOD), adotado como padrão-ouro para essa capacidade. A versão clássica desse método demanda tempo e custo relativamente elevados, ao passo que a versão alternativa (MAODALT), embora apresente tempo e custos de execução reduzidos, foi validada exclusivamente para o cicloergômetro, o que não satisfaz as solicitações motoras dos esportes coletivos de invasão. A partir deste cenário, foram desenvolvidos três estudos cujo objetivos foram: a) Determinar a fidedignidade dos resultados de registros do tempo de execução do LDT através de cronômetros e da análise de vídeo; b) Validar o protocolo para determinação do MAOD através do MAODALT realizado na esteira ergométrica em atletas de esportes coletivos de invasão; e c) Validar o LDT como medida da capacidade anaeróbica em atletas de desporto coletivo de invasão comparando-o com um teste padrão-ouro e específico para movimento. Participaram da presente pesquisa atletas universitários de basquetebol, handebol e futsal. Houve uma boa concordância entre as medidas de registro do tempo de execução para todas as medidas e não houve diferença significativa (p = 0,999). O MAODALT apresentou alta correlação (r = 0,76; p = 0,030) e boa concordância com o MAOD. Por fim, o MAOD obtido no LDT (MAODLD) apresentou boa concordância com o MAOD clássico e o MAODALT. Nossos resultados sugerem que: a) A utilização tanto de cronômetros como de vídeos para registrar o tempo do LDT é válida e confiável; b) O MAODALT obtido em testes na esteira ergométrica mostrou-se capaz de estimar o MAOD clássico em atletas de esportes coletivos de invasão; e c) O LDT pode ser utilizado para estimar o MAOD, contudo, seu tempo de execução não está associado à medida da capacidade anaeróbica representada pelo MAOD.
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VAZ, Lucyana Galindo Arcoverde. "Efeito do consumo agudo de cafeína na capacidade anaeróbia quantificada pelos principais métodos de estimativa." Universidade Federal de Pernambuco, 2016. https://repositorio.ufpe.br/handle/123456789/17771.

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CAPEs
A ação ergogênica da cafeína sobre a capacidade anaeróbia (CAN) está relacionada à melhora do desempenho. Entretanto, os estudos que investigaram o efeito da cafeína sobre a capacidade anaeróbia utilizaram apenas o máximo déficit acumulado de oxigênio (MAOD) como método de estimativa. Avaliar o efeito do consumo agudo de cafeína sobre a CAN estimada através dos principais métodos de estimativa, MAOD, potência crítica (ponto de intercepção y da função trabalho/tempo), fase rápida de recuperação do consumo de oxigênio + concentração de lactato (3 compartimentos) e eficiência mecânica grossa (EF), que por apresentarem medidas representativas da CAN, detectam igualmente os possíveis efeitos do consumo agudo de cafeína sobre o metabolismo anaeróbio. Nove participantes realizaram um teste incremental no cicloergômetro para determinação do primeiro limiar ventilatório (LV1) e do consumo máximo de oxigênio (VO2máx). A partir da carga referente ao LV1 foram calculadas a carga de aquecimento (90% do LV1), e as cargas dos testes experimentais. Foram doze testes experimentais, sendo seis com cafeína e seis placebo, em um desenho duplo-cego, contrabalanceado e controlado por placebo. A contribuição anaeróbia foi calculada pelos principais métodos de estimativa. Os achados mostraram que os métodos não detectam a mesma medida de CAN, logo, eles não são equivalentes na estimativa. Em relação ao efeito da cafeína sobre a estimativa sim, não houve diferença entre cafeína e placebo, exceto MAOD, que teve uma medida mais alta na situação cafeína. Além disso, não houve diferença no tempo de exaustão entre cafeína e placebo na carga supramáxima. Os métodos de estimativa não são equivalentes, eles não apresentam a mesma medida da CAN. A cafeína influenciou um dos métodos, MAOD, e isso levou a uma superestimativa da medida, quando corrigido pela estimativa do placebo, não apresentou mais diferença. Além disso, a cafeína não promoveu melhora no desempenho na carga supramáxima.
The caffeine ergogenic action on anaerobic capacity (AC) is related to performance’s improvement. However, some studies used only the maximal accumulated oxygen deficit (MAOD) as estimative method to investigate the effect of caffeine on anaerobic capacity. Evaluate the effect of acute caffeine consumption over the estimated AC through the main estimative methods, MAOD, critical power (interception point y work function/time), fast recovery phase of oxygen consumption + lactate concentration (3 compartments) and gross mechanical efficiency (GME), which by presenting representative measures of AC also detect the possible effects of acute caffeine consumption on the anaerobic metabolism. Nine participants performed an incremental test on a cycle ergometer to determine the first ventilatory threshold (VT1) and the maximal oxygen uptake (VO2max). From VT1 power output were calculated warm up load (90% of VT1), and the loads of the experimental trials. Twelve experimental trails were performed, being six after caffeine and six after placebo in a double-blind, placebo-controlled and counterbalanced design. AC was calculated by main estimative methods. The findings of the present study showed that AC was not detected similarly by the estimative methods, which might assume that they are not equivalent in the estimative. However, MAOD was higher in after caffeine ingestion when compared to placebo. There were no differences between trials in the other estimative methods. In addition, the time to exhaustion was not different between caffeine and placebo in supramaximal exercise. The estimative methods are not equivalent to measure AC. However, caffeine influenced MAOD, which probably overestimate the measurement. However, when corrected by the placebo estimative, no differences between trials was observed. Furthermore, caffeine was not efficient to improve the performance at supramaximal exercise.
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9

Abbondanza, Marco. "Valutazione di strategie per la previsione dell'anticipo limite di detonazione." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/9657/.

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Effettuare la calibrazione di un motore a combustione interna richiede precisione e al contempo tempi ridotti per poter essere eseguita in modo rapido e sicuro sui banchi prova. In questo elaborato viene trattata in particolare la calibrazione dell’anticipo di accensione, parametro fondamentale per massimizzare la PMI e quindi le prestazioni di un motore da corsa, ma altrettanto delicato per quanto riguarda il fenomeno della detonazione in cui si può incorrere attuando combustioni troppo anticipate durante la ricerca della fase ottimale. Con l’esigenza di dover calibrare il singolo motore in maniera non distruttiva, utilizzando una procedura di calibrazione automatica, è quindi necessario ricorrere a un sistema che sia in grado di prevedere il valore di anticipo che genererà un livello di detonazione ritenuto pericoloso per l’integrità del motore. Tale operazione deve essere effettuata con la miglior precisione possibile, in modo tale che venga esplorato tutto il campo dei valori di anticipo attuabili dato che la condizione di massima prestazione si trova a ridosso delle condizioni detonanti, quindi nella ricerca dell’ottimo ci si può imbattere in situazioni dannose. In questo elaborato è stata analizzata e rivista una procedura in ambiente MATLAB al fine di ridurne i tempi di calcolo fra una rampa di calibrazione e l’altra senza rinunciare all’accuratezza della previsione dell’anticipo limite ponendo l’attenzione sui parametri più importanti che regolano l’algoritmo di previsione. Inoltre per il calcolo dell’anticipo limite è stato implementato un approccio alternativo di tipo probabilistico basato sui dati sperimentali ciclo per ciclo, valutando anche modelli alternativi da applicare per il calcolo del MAPO statistico.
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Oliveira, Juliano Elvis de. "Estudo de monocamadas fosfolipidicas nanoestruturadas obtidas por LB para aplicações em biossensores." Universidade Federal de Minas Gerais, 2007. http://hdl.handle.net/1843/MAPO-7R5QQF.

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There has been long-standing interest in the physical chemical properties of defined mixtures of cholesterol and phospholipids in monolayer and bilayer membranes. They also provide insight into certain properties of the membranes of animal cells. Even if phospholipids and sphingolipids build up the matrix of cellular membranes, sterols are essential components of these membranes. In contrast to the amazing diversity of phospholipid species, mammalian cells contain one major sterol, cholesterol, which is absolutely required for viability and cell proliferation. The studies of phospholipid monolayers containing cholesterol have the potential to uncover interactions important for understanding bilayer membranes. The aim of the present work was to investigate hybrid phospholipids monolayers mixed with cholesterol and bovine serum albumin deposited through Langmuir-Blodgett (LB) films. Phosphatidylcholines with different chain size, DMPC, DPPC and DAPC, monolayers and their hybrids with cholesterol (DPPC/CHOL and DAPC/CHOL), phosphatidylethanolamine (DMPE, DPPE), DPPC/BSA and DPPC/CHOL/BSA monolayers were obtained at water/air interface. Mixtures of cholesterol with DPPC, DAPC in molar fraction of 10% and 20% the solutions of pure phospholipids as well as mixtures DPPC/BSA and DPPC/CHOL/BSA were spread at the air/water interface of a Teflon-made LB. Homogeneous molecular monolayers of DMPC, DPPC, DAPC, DMPE and DPPE phospholipids and DPPC/CHOL, DAPC/CHOL hybrid nanoscale were successfully produced and characterized surface pressure isotherms (area). The isotherms have indicated also the presence of the transitions of phases G, LE, LE/LC and LC. Modeling surface pressure (-A) isotherms for mixed monolayers with cholesterol were calculated using the additive rule. The interaction between the components in a mixed monolayer and the thermodynamic stability of a mixed monolayer compared with pure components were investigated from the evaluation of excess free energy of mixing. The surface adsorption of BSA in monolayers of DPPC and DPPC/CHOL was evaluated by isotherms -A.
Existe um grande interesse nas propriedades químicas e físicas de misturas entre colesterol e fosfolipidios nas membranas celulares e em monocamadas. Estes estudos também fornecem informações de determinadas propriedades das membranas celulares animais. Os fosfolipidios se constituem da matriz das membranas celulares, porém os esteróis são componentes essenciais destas membranas. Ao contrário da grande diversidade de fosfolipídios presentes nas membranas existe um esterol principal, o colesterol, que participa de forma crucial na proliferação e viabilidade celular. Os estudos realizados em monocamadas de fosfolipidios que contêm o colesterol têm o potencial de descobrir os mecanismos de interações moleculares para se compreender as membranas. Desta forma vializando-se a construção de biossensores com estas membranas nanoestruturadas. O objetivo deste trabalho foi investigar as monocamadas hibridas dos fosfolipidios com adições de colesterol e albumina bovina obtidas através do método de deposição Languimuir-Blodgett (LB). As monocamadas de fosfatidilcolinas com diferentes tamanhos de cadeia hidrocarbônica (DMPC, DPPC e DAPC) e os seus híbridos com colesterol (DPPC/CHOL e DAPC/CHOL), as monocamadas de fosfatidiletanolaminas (DMPE, DPPE), as monocamadas de DPPC/BSA e de DPPC/COL/BSA foram obtidas. As misturas do colesterol com DPPC, DAPC em uma fração molar de 10% e de 20%, as soluções de fosfolipidios puros bem como as misturas DPPC/BSA e PPC/CHOL/BSA foram espalhadas na interface ar/água de uma cuba de Languimuir. Monocamadas moleculares homogêneas de fosfolipidios de DMPC, de DPPC, de DAPC, de DMPE e de DPPE e hibridos nanoestruturados de DPPC/CHOL e DAPC/CHOL foram obtidas e caracterizadas por isotermas -A. As isotermas indicaram a existência de transições de fases G, LE, LE/LC e LC. Realizou-se o modelamento de isotermas (-A) para monocamadas de fosfolipidios/colesterol usando a régua aditiva. A interação entre os componentes em uma monocamada e a estabilidade termodinâmica comparada com os componentes puros foi investigada através da avaliação da energia livre da mistura. A adsorção superficial de BSA nas monocamadas de DPPC e de DPPC/COL foi avaliada por isotermas -A.
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Books on the topic "MAPOD"

1

Wynne, Rolant N. Ysgol y Manod, Heol Manod, Blaenau Ffestiniog, Gwynedd: Arolygiad dan Adran 9 o Ddeddf Addysg (Ysgolion) 1992 : rhif ysgol 573/2205 : dyddiad arolygiad 20.05.96 - 23:05.96. (Cardiff): (Welsh Office), 1996.

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Mapou, Jan. Anba mapou-a. Lawrence: Institute of Hatian Studies, University of Kansas, 1999.

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The fight for Manod. London: Hogarth, 1988.

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Românii din Marpod: Schiță monografică. Sibiu [Romania]: Editura Imago, 1999.

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Kr̥ṣṇamūrti, Mallādi Veṅkaṭa. Rēpōmāpōpeḷḷaṇṭa =: Repo mapo pellanta. Haidarābād: Lipi Pablikēṣans, 1998.

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Elièzer, Zakṣ, and Merkaz le-mipui Yiśra'el, eds. Yiśra'el àl ha-mapah: Mapot kevishe Yiśra'el 1:175:000, mapat Yiśra'el, mapot kevishe Yarden vẹ-Sinai, mapot rehọvot àre Yiśra'el 1:12,500. 2nd ed. T.A. [z.o. Tel Aviv]: Kọrdinatạh, 1998.

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(Firm), Karṭa. Aṭlas Karṭa li-khevishe Yiśraʾel: 12 mapot kevishim, 58 mapot ʻarim, luaḥ merḥaḳim, mafteaḥ shemot. 4th ed. Yerushalayim: Karṭa, 1990.

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Jones, Geraint Wyn. Dyddiadur ysgol: Ysgol y Manod 1867-1967. Blaenau Ffestiniog: Cymdeithas y Fainc Sglodion, 1997.

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United States. Assistant Secretary of Defense (Production and Logistics). MAPAD: Military assistance program address directory system. [Alexandria, Va: Dept. of Defense, Office of the Assistant Secretary of Defense, 1985.

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Movement of Community Action for the Prevention and Protection of Young People against Poverty, Destitution, Diseases, and Exploitation. MAPODE first report--June, 97 to August, 99. Lusaka, Zambia: MAPODE, 1999.

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Book chapters on the topic "MAPOD"

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Buethe, Inka, Nicolas Dominguez, Henning Jung, Claus-Peter Fritzen, Damien Ségur, and Frédéric Reverdy. "Path-Based MAPOD Using Numerical Simulations." In Smart Intelligent Aircraft Structures (SARISTU), 631–42. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-22413-8_29.

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McKenney, Mark, and Markus Schneider. "Implementing Maps: Map2D." In Map Framework, 107–40. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-46766-5_9.

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Poizat, Bruno. "Malod and the Pascaline." In Perspectives in Computational Complexity, 147–57. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-05446-9_8.

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Zhong, Hao, Tao Xie, Lu Zhang, Jian Pei, and Hong Mei. "MAPO: Mining and Recommending API Usage Patterns." In Lecture Notes in Computer Science, 318–43. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03013-0_15.

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Terranova, G., and A. Caruso. "Symptoms of xyloporosis disease on ‘Mapo’ tangelo." In Integrated Pest Control in Citrus-Groves, 317–22. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003079279-48.

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Matsui, Toshihiro. "Investigation of Integrating Solution Techniques for Lifelong MAPD Problem Considering Endpoints." In Advances in Practical Applications of Agents, Multi-Agent Systems, and Cognitive Mimetics. The PAAMS Collection, 175–87. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-37616-0_15.

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Treacy, M. M. J., and J. B. Higgins. "MAPO-39." In Collection of Simulated XRD Powder Patterns for Zeolites, 66–67. Elsevier, 2007. http://dx.doi.org/10.1016/b978-044453067-7/50498-6.

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Treacy, M. M. J., J. B. Higgins, and John B. Higgins. "MAPO-39." In Collection of Simulated XRD Powder Patterns for Zeolites, 64–65. Elsevier, 2001. http://dx.doi.org/10.1016/b978-044450702-0/50030-7.

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Prohin, Robert. "MAPAD La soleillade." In Accueillir le grand-âge, 63–67. Champ social, 2017. http://dx.doi.org/10.3917/chaso.parat.2017.01.0063.

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Treacy, M. M. J., and J. B. Higgins. "MAPO-36, Calcined." In Collection of Simulated XRD Powder Patterns for Zeolites, 70–71. Elsevier, 2007. http://dx.doi.org/10.1016/b978-044453067-7/50500-1.

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Conference papers on the topic "MAPOD"

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Baillargeon, Jay, Daniel Einbinder, Radim Bruzek, and John Tunna. "Feasibility and Roadmap for Applying Model Assisted Probability of Detection to Track Inspection." In 2022 Joint Rail Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/jrc2022-80208.

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Abstract One of the challenges facing the railway community is deciding when new inspection technologies are both accurate and reliable enough for regular use in safety assurance. New sensors and data processing techniques recently introduced in the industry have resulted in a spate of new inspection-related technologies. Track inspection technologies play an increasingly critical role in ensuring the safe and reliable operations. Therefore, railways must be sure these new inspection technologies are effective. Also, objective characterization of inspection technology effectiveness helps to establish confidence in new technology, thereby facilitating its adoption. Railways have typically relied on field confirmation of known defects or used repeatability tests to prove consistency when evaluating track inspection technologies. The Federal Railroad Administration (FRA) sponsored ENSCO to develop a formal procedure for the design and execution of performance evaluation tests. As part of this effort ENSCO explored how to apply model-assisted probability of detection (MAPOD) in the railroad industry. MAPOD combines the results from a small number of physical tests with more extensive results from computer simulation to increase confidence in the performance evaluation results. This paper presents the results of a feasibility analysis for applying MAPOD to various inspection technologies and describes a MAPOD implementation roadmap for a handheld ultrasonic rail flaw detection system.
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Bao, Yang, and Jiming Song. "Kriging Accelerated MAPoD Analysis of Surface Flaws with Eddy Current Simulation Yang Bao1 and Jiming Song2." In ASNT Research Symposium 2023. The American Society for Nondestructive Testing Inc., 2023. http://dx.doi.org/10.32548/rs.2023.041.

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In this paper, the Kriging metamodel is applied to accelerate the model assisted probability of detection (MAPoD) analysis for surface flaws in eddy current nondestructive testing (ECNDT). The kernel degeneration (KD) algorithm accelerated boundary element method (BEM) EC simulation solver is selected as the physical model to generate the responses of the surface flaws in the conducting plate considering the propagations of uncertain parameters. The predicted PoD metrices by Kriging metamodel are compared well with the ones from pure physical model. Numerical results show that to reach the required accuracy, as compared with the pure BEM based physical model, Kriging metamodel can accelerate the MAPoD analysis for ECNDT problems.
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Du, Xiaosong, Leifur Leifsson, Praveen Gurrala, Jiming Song, and Slawomir Koziel. "Fast Uncertainty Propagation of Ultrasonic Testing Simulations for MAPOD and Sensitivity Analysis." In 2018 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO). IEEE, 2018. http://dx.doi.org/10.1109/nemo.2018.8503094.

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JARMER, GREGORY, and SETH S. KESSLER. "Application of Model Assisted Probability of Detection (MAPOD) to a Guided Wave SHM System." In Structural Health Monitoring 2017. Lancaster, PA: DEStech Publications, Inc., 2017. http://dx.doi.org/10.12783/shm2017/14038.

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Calmon, Pierre, Sanjay Sharma, Olivier Mesnil, and Bastien Chapuis. "Experimental validation of MAPOD methodology for SHM applied to the detection of growing cracks in a metallic part (Conference Presentation)." In 8th International Workshop on Reliability of NDT/NDE, edited by Daniel Kanzler and Norbert G. Meyendorf. SPIE, 2023. http://dx.doi.org/10.1117/12.2662747.

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KIM, YOUNGCHAN, SEONHWA JUNG, and DOOYOUL LEE. "MODEL-ASSISTED PROBABILITY OF DETECTION OF CRACKS UNDER FASTENER HEAD." In Structural Health Monitoring 2023. Destech Publications, Inc., 2023. http://dx.doi.org/10.12783/shm2023/36732.

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After the Aloha Airlines Flight 243 accident in 1988, the importance of inspecting for widespread fatigue damage was emphasized. Managing the risk of multi-site damage (MSD), where multiple flaws occur in a single structure, became a key factor in maintaining the structural safety of aircraft. It is essential to demonstrate the reliability of nondestructive inspection (NDI) when detecting structural damage due to MSD. Structures affected by MSD often require inspection without being disassembled due to various reasons, such as increased inspection time, inefficient manpower and material consumption, and increased probability of MSD due to human error. NDI reliability is strongly influenced by the shape of the test specimen, and the uncertainty about crack conditions after inspection is greater when inspection is performed on a structure without disassembly than when it is assembled. To estimate the reliability of NDI in structures without disassembly, a model-assisted probability of detection (MAPOD) experimental design was used, combining physical modeling and machine learning methods. The test specimens simulated flaws such as discharge machining notches and fatigue cracks, and the detection probability was estimated based on the size of the detection signal. This was used in risk assessment to determine the inspection interval for the structure.
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Xie, Tao, and Jian Pei. "MAPO." In the 2006 international workshop. New York, New York, USA: ACM Press, 2006. http://dx.doi.org/10.1145/1137983.1137997.

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Root, Christopher, and Todd Mostak. "MapD." In SIGGRAPH '16: Special Interest Group on Computer Graphics and Interactive Techniques Conference. New York, NY, USA: ACM, 2016. http://dx.doi.org/10.1145/2897839.2927468.

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Shoemaker, Christine A., and Rommel G. Regis. "MAPO." In the fifteenth annual ACM symposium. New York, New York, USA: ACM Press, 2003. http://dx.doi.org/10.1145/777412.777451.

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Mehran, Narges, Dragi Kimovski, and Radu Prodan. "MAPO." In IoT 2019: 9th International Conference on the Internet of Things. New York, NY, USA: ACM, 2019. http://dx.doi.org/10.1145/3365871.3365892.

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Reports on the topic "MAPOD"

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Shimizu, S., T. Kawano, K. Murakami, and E. Beier. MAPOS/PPP Tunneling mode. RFC Editor, December 2001. http://dx.doi.org/10.17487/rfc3186.

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Maruyama, M., and K. Murakami. MAPOS Version 1 Assigned Numbers. RFC Editor, June 1997. http://dx.doi.org/10.17487/rfc2172.

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Murakami, K., and M. Maruyama. IPv4 over MAPOS Version 1. RFC Editor, June 1997. http://dx.doi.org/10.17487/rfc2176.

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Murakami, K., and M. Maruyama. A MAPOS version 1 Extension - Node Switch Protocol. RFC Editor, June 1997. http://dx.doi.org/10.17487/rfc2173.

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Murakami, K., and M. Maruyama. A MAPOS version 1 Extension - Switch-Switch Protocol. RFC Editor, June 1997. http://dx.doi.org/10.17487/rfc2174.

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Murakami, K., and M. Maruyama. MAPOS - Multiple Access Protocol over SONET/SDH Version 1. RFC Editor, June 1997. http://dx.doi.org/10.17487/rfc2171.

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Murakami, K., and M. Maruyama. MAPOS 16 - Multiple Access Protocol over SONET/SDH with 16 Bit Addressing. RFC Editor, June 1997. http://dx.doi.org/10.17487/rfc2175.

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Ogura, T., M. Maruyama, and T. Yoshida. Internet Protocol Version 6 over MAPOS (Multiple Access Protocol Over SONET/SDH). RFC Editor, July 2003. http://dx.doi.org/10.17487/rfc3572.

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Okamoto, O., M. Maruyama, and T. Sajima. Forwarding Media Access Control (MAC) Frames over Multiple Access Protocol over Synchronous Optical Network/Synchronous Digital Hierarchy (MAPOS). RFC Editor, November 2002. http://dx.doi.org/10.17487/rfc3422.

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