Academic literature on the topic 'Accuracy; Precision; Robustness analysis'

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Journal articles on the topic "Accuracy; Precision; Robustness analysis"

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Vishnumulaka, Srinivas, Narasimha Rao Medicherla, Allam Appa Rao, and G. Edela Srinubabu. "Development and Validation of LC Method for the Determination of Famciclovir in Pharmaceutical Formulation Using an Experimental Design." E-Journal of Chemistry 5, no. 1 (2008): 58–67. http://dx.doi.org/10.1155/2008/858462.

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A rapid and sensitive RP-HPLC method with UV detection (242 nm) for routine analysis of famciclovir in pharmaceutical formulations was developed. Chromatography was performed with mobile phase containing a mixture of methanol and phosphate buffer (50:50,v/v) with flow rate 1.0 mL min−1. Quantitation was accomplished with internal standard method. The procedure was validated for linearity (correlation coefficient =0.9999), accuracy, robustness and intermediate precision. Experimental design was used for validation of robustness and intermediate precision. To test robustness, three factors were
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Chew, Yik-Ling, Hon-Kent Lee, and Subrahmanya Lokesh Bontha Venkata. "NEW STABILITY INDICATING METHOD FOR ESTIMATION OF PURITY OF FLIBANSERIN ACTIVE PHARMACEUTICAL INGREDIENT." INDIAN DRUGS 57, no. 04 (2020): 40–44. http://dx.doi.org/10.53879/id.57.04.12147.

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Flibanserin has been recently approved by the USFDA for treating female sexual interest disorder. It is currently not included in any of the Pharmacopoeias. No stability indicating method information about flibanserin has been reported in the literature. Flibanserin stock solution (1 mg/mL) was prepared and serially diluted (concentration ranged 1-20 μg/mL). Flibanserin solutions (1-20 μg/mL) were analysed using RP-HPLC under isocratic elution of mobile phase acetonitrile and ammonium acetate (60:40; V/V) at 1 mL/minute. This HPLC method was validated for linearity, accuracy, precision, robust
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Chen, Yu Dong, and S. H. Chen. "Robustness Analysis of Responses of Structures with Uncertain Parameters." Advanced Materials Research 44-46 (June 2008): 303–10. http://dx.doi.org/10.4028/www.scientific.net/amr.44-46.303.

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In the engineering structures, the design parameters may be uncertain because of the manufacture errors and inaccuracy in measurement, etc. The uncertainties of structural parameters may lead to large and unexpected excursion of responses that may lead to drastic reduction in accuracy and precision of the operations. Uncertainties in the design parameters are often considered to ensure that the structure is robust with respect to response errors. The paper discusses the robustness of responses of structures with uncertainties, which are described with three models, the random, convex, and inte
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De Souza Barbosa, Fábio, Vanise Coty Rodrigues, Nadia Maria Volpato, et al. "UV SPECTROPHOTOMETRIC METHOD FOR QUANTITATIVE DETERMINATION OF AGOMELATINE IN COATED TABLETS." Drug Analytical Research 1, no. 2 (2017): 24–29. http://dx.doi.org/10.22456/2527-2616.79219.

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UV spectrophotometry is an analytical technique used routinely for qualitative and quantitative assay due the low cost and reliability during analysis. In this work, it was validated a quantitative UV method for determination of agomelatine in coated tablets. The parameters specificity, linearity, precision, accuracy and robustness were evaluated according to official guidelines. Methanol was selected as solvent and the maximum wavelength for drug analysis was 230 nm. The purposed assay showed to be specific and the linearity was proved in a range of 0.5 - 2.5 µg/mL. The RSD values obtained du
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Gomes, Patrícia, Carla M. U. Negretto, Zanandria B. Naisinger, Ricardo Lorenzoni, Nathalie Ribeiro Wingert, and Renata P. Raffin. "Second-derivative spectrophotometry for the analysis of simvastatin in polymeric nanocapsules." Drug Analytical Research 3, no. 2 (2019): 12–17. http://dx.doi.org/10.22456/2527-2616.98057.

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Conventional spectrophotometry methods are very susceptible to the presence of interferences in complex mixtures such as nanoparticules, requiring prior treatment or extraction of the analyte, and not always providing an adequate response. Derivative spectrophotometry method is capable to eliminate its interference; it is an alternative method for drugs determination in complex matrices. This work investigated the utility of derivate spectrophotometry in assay of simvastatin in polymeric nanocapsules (SIVNC). Shimadzu® UV-1650 double-beam spectrophotometer with 1.0 cm quartz cells was used in
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Ghante, Minal R., Akash C. Masale, Supriya G. Jagtap, Sanjay D. Sawant, and Vandana S. Nikam. "SIMPLE, COST EFFECTIVE UV-VIS METHOD FOR ESTIMATION OF ELVITEGRAVIR (EVG) IN PURE AND DOSAGE FORM BY QBD APPROACH AND IN PRESENCE OF MAMMALIAN PLASMA." INDIAN DRUGS 57, no. 01 (2020): 51–58. http://dx.doi.org/10.53879/id.57.01.11738.

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A simple, cost effective, UV-VIS spectrophotometric method for analysis of elvitegravir (EVG) in the presence of plasma was developed to facilitate the assessment of clinical samples or as a routine alternative tool in drug quality control laboratories for quantitative estimation of EVG. The present work delineates the estimation of EVG in 50μl of rat plasma that is directly dissolved in dimethyl sulfoxide (DMSO) and subjected to analysis. Firstly, estimation of EVG in pure and dosage form was developed and validated using analytical quality by design (QbD) as per ICH Q2 (R1), Q8 (R2) guidelin
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Džodić, Predrag Lj, Ljiljana J. ivanovi, Ana D. Proti, Mira L. Zeevi, and Biljana M. Joci. "Determination of Carbamazepine and Its Impurities Iminostilbene and Iminodibenzyl in Solid Dosage Form by Column High-Performance Liquid Chromatography." Journal of AOAC INTERNATIONAL 93, no. 4 (2010): 1059–68. http://dx.doi.org/10.1093/jaoac/93.4.1059.

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Abstract An accurate and precise RP-HPLC method was developed and validated for the determination of carbamazepine and its impurities iminostilbene and iminodibenzyl in a tablet formulation with fluphenazine as an internal standard. Buffermethanol (50 + 50, v/v) was used as the mobile phase. During validation, specificity, linearity, precision, accuracy, LOD, LOQ, and robustness of the method were tested. The method was proven to be specific against placebo interference. Linearity was evaluated over the concentration range of 100500, 0.050.25, and 0.10.5 g/mL, and the r values were 0.9994, 0.9
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Marques, Morgana Souza, Fernando Dal Pont Morisso, Fernanda Poletto, and Irene Clemes Külkamp Guerreiro. "Development of derivative spectrophotometric method for simultaneous determination of pyrazinamide and rifampicin in cubosome formulation." Drug Analytical Research 5, no. 1 (2021): 46–50. http://dx.doi.org/10.22456/2527-2616.111454.

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The ultraviolet spectrophotometry analysis for quantitative assay of drugs is a method accurate, sensitive, selective and reproductive with the advantage of being a simple and less expensive method. In this study, a derivative ultraviolet spectrophotometric method was developed for simultaneous determination of pyrazinamide (PYZ) and rifampicin (RIF). The spectrophotometric method was evaluated according to validation guidelines for specificity, linearity, limits of detection and quantification, precision, accuracy and robustness. The first-derivative spectra were obtained and by the zerocross
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Rupareliya, Reema H., and Hitendra S. Joshi. "Development and Validation of UV Spectrophotometric Method for Estimation of Agomelatine in Bulk and Pharmaceutical Dosage Form." International Letters of Chemistry, Physics and Astronomy 56 (July 2015): 113–19. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.56.113.

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A simple, rapid, accurate, precise, sensitive and economical UV Spectrophotometric method has been developed for estimation of agomelatine from bulk and pharmaceutical formulation. The λmax of agomelatine in water was found to be 233 nm. The parameters linearity, precision, accuracy, robustness were studied according to International Conference on Harmonization guidelines. The drug follows linearity in the concentration range 2-8μg/ml with correlation coefficient value 0.9981. The accuracy of the method was checked by recovery experiment performed at three different levels i.e., 50%, 100% and
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Rasheed, Anas, and Osman Ahmed. "UPLC Method Optimisation and Validation for the Estimation of Sodium Cromoglycate in Pressurized Metered Dosage Form." INTERNATIONAL JOURNAL OF APPLIED PHARMACEUTICAL SCIENCES AND RESEARCH 2, no. 02 (2017): 18–24. http://dx.doi.org/10.21477/ijapsr.v2i2.7774.

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UPLC assay method optimised and validated for sodium cromoglycate in metered dose inhaler (MDI) using metronidazoleas an internal standard.The separation of Sodium Cromoglycate was achieved on Hypersil BDS C18 (100 mm x 2.1 mm, 1.7 μm) with gradient mobile phase containing methanol, orthophosphoric acid and acetonitrile in the ratio of 50:15:35 %v/v/v. The flow rate was 0.25 mLmin-1, injection volume 20μl and detection wavelength was set at 326nm, at ambient temperature. The validation of the proposed method was carried outfor linearity, accuracy, precision, robustness, limit of detection and
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Dissertations / Theses on the topic "Accuracy; Precision; Robustness analysis"

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MATOS, Romário Ferreira de. "INDICADORES INTERNOS E EXTERNOS PARA ESTIMATIVA DA DIGESTIBILIDADE APARENTE DA MATÉRIA SECA EM OVINOS." Universidade Federal do Maranhão, 2017. http://tedebc.ufma.br:8080/jspui/handle/tede/1277.

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Submitted by Maria Aparecida (cidazen@gmail.com) on 2017-04-12T12:36:08Z No. of bitstreams: 1 Romario ferreira de Matos.pdf: 289293 bytes, checksum: 6e794c84f3b40406735e5e1ba5ad15b4 (MD5)<br>Made available in DSpace on 2017-04-12T12:36:08Z (GMT). No. of bitstreams: 1 Romario ferreira de Matos.pdf: 289293 bytes, checksum: 6e794c84f3b40406735e5e1ba5ad15b4 (MD5) Previous issue date: 2017-02-21<br>The objective of this study was to evaluate the accuracy and precision of the apparent dry matter digestibility estimates obtained using internal and external markers in sheep fed diets containing suga
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Hägglund, Eriksson Malin. "Accuracy and Precision Analysis of Total Station Measurements." Thesis, KTH, Geodesi och geoinformatik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-147005.

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The main objective of this bachelor thesis was to gain awareness of accuracy and precision in total station measurements. Experiments were designed, executed and analyzed.   The approach to the subject was to examine measurements made with various prism set-ups. Prisms are supposed to be directed to the total station with the front face in the line of sight. In the experiment the prisms were directed in various angles in order to measure in non-perfect measuring arrangement and the behavior of the precision and accuracy were noted.   The mean values and standard uncertainties were calculated f
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Sieniawska, Christine Elizabeth. "Enhanced accuracy and precision of analysis of selenium in clinical matrices." Thesis, University of Southampton, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.395364.

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Chen, Dongju. "Analysis and identification technology of system errors of large vertical ultra-precision machine tool." Compiègne, 2010. http://www.theses.fr/2010COMP1890.

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Dans plusieurs pays, les technologies d'usinage d'ultra-précision apportent une contribution importante au développement des sciences et des hautes technologies, principalement dans les domaines de l'optique, des microsystèmes et des ordinateurs avec des applications dans l'industrie des semi-conducteurs, du stockage de données, de l'aéronautique et de l'espace. L'usinage d'ultra-précision est entré dans le domaine de la nano-échelle et devient une dé nécessaire au développement des hautes technologies tant civiles que militaires. L'objectif de la recherche était de développer des méthodes de
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Gedda, Emil, and Anders Eriksson. "Practical analysis of the Precision Time Protocol under different types of system load." Thesis, KTH, Skolan för datavetenskap och kommunikation (CSC), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-208493.

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The existence of distributed real-time systems calls for protocols for high accuracy time synchronization between devices. One such protocol, the Precision Time Protocol (PTP) reaches sub microsecond synchronization precision. PTP can be implemented both in hardware and software. This study aimed to analyze how system stress could affect the accuracy and precision of software implemented PTP between two devices. This was done using two Intel Galileo Generation 2 running Linux systems. Software was used to simulate CPU, I/O, network, and OS usage. Data was extracted from software logs and summa
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Dogantimur, Erkan, and Daniel Johnsson. "Analysis of Accuracy for Engine and Gearbox Sensors." Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-388346.

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This thesis provides a standardized method to measure accuracy for engine and gearbox sensors. Accuracy is defined by ISO 5725, which states that trueness and precision need to be known to provide a metric for accuracy. However, obtaining and processing the data required for this is not straight forward. In this thesis, a method is presented that consists of two main parts: data acquisition and data analysis. The data acquisition part shows how to connect all of the equipment used and how to sample and store all the raw data from the sensors. The data analysis part shows how to process that ra
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Buntaran, Harimurti [Verfasser], and Hans-Peter [Akademischer Betreuer] Piepho. "Statistical methods for analysis of multienvironment trials in plant breeding : accuracy and precision / Harimurti Buntaran ; Betreuer: Hans-Peter Piepho." Hohenheim : Kommunikations-, Informations- und Medienzentrum der Universität Hohenheim, 2021. http://nbn-resolving.de/urn:nbn:de:bsz:100-opus-19265.

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Daemi, Bita. "Enhanced image analysis, a tool for precision metrology in the micro and macro world." Doctoral thesis, KTH, Industriell produktion, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-207594.

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The need for high speed and cost efficient inspection in manufacturing lineshas led to a vast usage of camera-based vision systems. The performance ofthese systems is sufficient to determine shape and size, but hardly to an accuracylevel comparable with traditional metrology tools. To achieve highprecision shape/position/defect measurements, the camera techniques haveto be combined with high performance image metrology techniques whichare developed and adapted to the manufactured components. The focus ofthis thesis is the application of enhanced image analysis as a tool for highprecision metro
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Lin, Yuxiang. "DEVELOPMENT AND ANALYSIS OF OPTICAL PH IMAGING TECHNIQUES." Diss., The University of Arizona, 2010. http://hdl.handle.net/10150/193846.

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The pH of tumors and surrounding tissues is a key biophysical property of the tumor microenvironment that affects how a tumor survives and how it invades the surrounding space of normal tissue. Research into tumorigenesis and tumor treatment is greatly dependent on accurate, precise, and reproducible measurements. Optical imaging is generally regarded as the best choice for non-invasive and high spatial resolution measurements. Ratiometric fluorescence imaging and fluorescence lifetime imaging microscopy (FLIM) are two primary ways for measuring tumor pH.pH measurements in a window chamber
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Kirchner, Donata K. [Verfasser], Peter [Akademischer Betreuer] [Gutachter] Güntert, and Volker [Gutachter] Dötsch. "Analysis of the precision and accuracy of protein structures determined by NMR / Donata K. Kirchner. Betreuer: Peter Güntert. Gutachter: Peter Güntert ; Volker Dötsch." Frankfurt am Main : Universitätsbibliothek Johann Christian Senckenberg, 2016. http://d-nb.info/1112601589/34.

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Books on the topic "Accuracy; Precision; Robustness analysis"

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Brown, Colin B. Accuracy and precision in the analysis and design of floating bridges. Washington State Dept. of Transportation, 1997.

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E, Miller Richard. Precision, accuracy, and efficiency of four tools for measuring soil bulk density or strength. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2001.

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Society of Core Analysts European Core Analysis Symposium (1st 1990 London, England). Advances in core evaluation: Accuracy and precision in reserves estimation : reviewed proceedings of the First Society of Core Analysts European Core Analysis Symposium, London, UK, 21-23 May 1990. Gordon and Breach Science Publishers, 1990.

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Hydes, D. J. Report on the maintenance of precision and accuracy of measurements of dissolved nutrients - silicate and nitrate: Over 40 days of measurements on WOCE Leg A8, FS Meteor Cruise 28/1, 29 March to 11 May 1994. Challenger Division for Seafloor Processes, Southampton Oceanography Centre, 1997.

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Determination of the precision, accuracy and resolution of a video-based motion analysis system. 1992.

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Gutierrez, Janina R. Improving the accuracy and precision of Laser Ablation Inductively Coupled Plasma Mass Spectrometry analysis of heterogeneous materials. 2003.

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Kraberg, Alexandra, Katja Metfies, and Rowena Stern. Sampling, Preservation and Counting of Samples I: Phytoplankton. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780199233267.003.0009.

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This chapter reviews phytoplankton sampling and analysis techniques, discussing them in light of their advantages and disadvantages. Different sampling methods have varying levels of precision and accuracy. This means that they affect the ways in which individual data sets can be interpreted, and methods therefore have to be kept consistent within time series to avoid creating artefacts. The discussions cover qualitative and semi-quantitative methods, quantitative methods, sample analysis, automated/semi-automated systems, and molecular methodologies. None of the methods are universally applic
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Rayment, George E., and David J. Lyons. Soil Chemical Methods - Australasia. CSIRO Publishing, 2010. http://dx.doi.org/10.1071/9780643101364.

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Soil Chemical Methods – Australasia describes over 200 laboratory and field chemical tests relevant to Australasia and beyond. The information and methodology provided across 20 chapters is comprehensive, systematic, uniquely coded, up-to-date and designed to promote chemical measurement quality. There is guidance on the choice and application of analytical methods from soil sampling through to the reporting of results. In many cases, optional analytical ‘finishes’ are provided, such as flow-injection analysis, electro-chemistry, multiple flame technologies, and alternatives to chemical testin
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Book chapters on the topic "Accuracy; Precision; Robustness analysis"

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Tran, Hoang-Dung, Neelanjana Pal, Patrick Musau, et al. "Robustness Verification of Semantic Segmentation Neural Networks Using Relaxed Reachability." In Computer Aided Verification. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-81685-8_12.

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AbstractThis paper introduces robustness verification for semantic segmentation neural networks (in short, semantic segmentation networks [SSNs]), building on and extending recent approaches for robustness verification of image classification neural networks. Despite recent progress in developing verification methods for specifications such as local adversarial robustness in deep neural networks (DNNs) in terms of scalability, precision, and applicability to different network architectures, layers, and activation functions, robustness verification of semantic segmentation has not yet been considered. We address this limitation by developing and applying new robustness analysis methods for several segmentation neural network architectures, specifically by addressing reachability analysis of up-sampling layers, such as transposed convolution and dilated convolution. We consider several definitions of robustness for segmentation, such as the percentage of pixels in the output that can be proven robust under different adversarial perturbations, and a robust variant of intersection-over-union (IoU), the typical performance evaluation measure for segmentation tasks. Our approach is based on a new relaxed reachability method, allowing users to select the percentage of a number of linear programming problems (LPs) to solve when constructing the reachable set, through a relaxation factor percentage. The approach is implemented within NNV, then applied and evaluated on segmentation datasets, such as a multi-digit variant of MNIST known as M2NIST. Thorough experiments show that by using transposed convolution for up-sampling and average-pooling for down-sampling, combined with minimizing the number of ReLU layers in the SSNs, we can obtain SSNs with not only high accuracy (IoU), but also that are more robust to adversarial attacks and amenable to verification. Additionally, using our new relaxed reachability method, we can significantly reduce the verification time for neural networks whose ReLU layers dominate the total analysis time, even in classification tasks.
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Nielsen, S. Suzanne, and Charles E. Carpenter. "Accuracy and Precision Assessment." In Food Analysis Laboratory Manual. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-44127-6_6.

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Archenti, Andreas, and Theodoros Laspas. "Accuracy and Performance Analysis of Machine Tools." In Precision Manufacturing. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-4912-5_7-1.

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Archenti, Andreas, and Theodoros Laspas. "Accuracy and Performance Analysis of Machine Tools." In Precision Manufacturing. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-10-4912-5_7-2.

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Archenti, Andreas, and Theodoros Laspas. "Accuracy and Performance Analysis of Machine Tools." In Precision Manufacturing. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-10-4938-5_7.

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Nielsen, S. Suzanne. "Assessment of Accuracy and Precision." In Food Analysis Laboratory Manual. Springer US, 2009. http://dx.doi.org/10.1007/978-1-4419-1463-7_2.

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Nielsen, S. Suzanne. "Assessment of Accuracy and Precision." In Food Analysis Laboratory Manual. Springer US, 2003. http://dx.doi.org/10.1007/978-1-4757-5250-2_2.

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Patnaik, Pradyot. "Precision and Accuracy of Analysis." In Handbook of Environmental Analysis. CRC Press, 2017. http://dx.doi.org/10.1201/9781315151946-2.

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Goubault, Eric, and Sylvie Putot. "Robustness Analysis of Finite Precision Implementations." In Programming Languages and Systems. Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-03542-0_4.

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Stanley, P., and J. M. Dulieu. "Accuracy and Precision in the Thermoelastic Stress Analysis Technique." In Applied Stress Analysis. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0779-9_60.

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Conference papers on the topic "Accuracy; Precision; Robustness analysis"

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Erkorkmaz, Kaan, and Yusuf Altintas. "Precision Tracking Controller Design for High Speed Feed Drives." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-80498.

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This paper investigates the effectiveness of adaptive sliding mode control (SMC) for precision tracking in high speed machine tool drives. Dynamics of the feed drive, comprising of rigid body motion, guideway friction and ball screw vibrations, are identified. Two strategies are developed. The first one considers rigid body dynamics in the plant and compensates for the resonance with a notch filter. The second controller considers the first torsional mode as part of the plant and actively suppresses its vibrations. The two controllers are evaluated in frequency domain analyses and simulations.
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Zeng, Danping, Ruirui Huang, Zhijun Yang, and Wenchao Xue. "Frequency Response Analysis of Macro-Micro Stages With Active Disturbance Reject Controller." In ASME 2019 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/detc2019-98352.

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Abstract Under the disturbance of friction and the elastic deformation of motion stage, the positioning accuracy of traditional mechanical bearing high speed direct-drive motion stage can only reach the micron level, which is difficult to meet the requirement of higher speed precision positioning. Therefore, the macro-micro stages utilize the flexure hinges to compensate for displacement in the friction dead zone. However, due to the nonlinear elastic vibration of the flexure hinge during the action, the settling time of micro-platform is different with stiffnesses. Effect analysis of differen
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Li, Hongkun, Gangjin Huang, Jiayu Ou, and Yuanliang Zhang. "Intelligent Fault Diagnosis of Planetary Wheel Bearing Using Constrained Independent Component Analysis and Stacked Sparse Autoencoder." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-15311.

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Abstract Industrial machinery is developing in the direction of large-scale, automation, and high precision, which brings novel troubles to mechanical equipment management and maintenance. Intelligent diagnosis of mechanical running state based on vibration signals is becoming increasingly important, and it is still a great challenge at pattern recognition. As one of the indispensable components in mechanical equipment, planetary gearboxes are widely used in wind power, aerospace, and heavy industry. However, the problem of automatically maximizing the accuracy of planetary gearbox under diffe
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Craddock, Paul, Prakhar Srivastava, Harish Datir, et al. "ENHANCED MINERAL QUANTIFICATION AND UNCERTAINTY ANALYSIS FROM DOWNHOLE SPECTROSCOPY LOGS USING VARIATIONAL AUTOENCODERS." In 2021 SPWLA 62nd Annual Logging Symposium Online. Society of Petrophysicists and Well Log Analysts, 2021. http://dx.doi.org/10.30632/spwla-2021-0069.

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This paper describes an innovative machine learning application, based on variational autoencoder frameworks, to quantify the concentrations and associated uncertainties of common minerals in sedimentary formations using the measurement of atomic element concentrations from geochemical spectroscopy logs as inputs. The algorithm comprises an input(s), encoder, decoder, output(s), and a novel cost function to optimize the model coefficients during training. The input to the algorithm is a set of dry-weight concentrations of atomic elements with their associated uncertainty. The first output is a
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Lin, Qi, and Jing Guo. "Accuracy analysis of distributed simulation systems." In Sixth International Symposium on Precision Engineering Measurements and Instrumentation. SPIE, 2010. http://dx.doi.org/10.1117/12.885297.

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Ooi, Guang An, Mehmet Burak Özakin, Tarek Mahmoud Mostafa, Hakan Bagci, Shehab Ahmed, and Mohamed Larbi Zeghlache. "EM-Based 2D Corrosion Azimuthal Imaging using Physics Informed Machine Learning PIML." In SPE Offshore Europe Conference & Exhibition. SPE, 2021. http://dx.doi.org/10.2118/205404-ms.

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Abstract In the wake of today's industrial revolution, many advanced technologies and techniques have been developed to address the complex challenges in well integrity evaluation. One of the most prominent innovations is the integration of physics-based data science for robust downhole measurements. This paper introduces a promising breakthrough in electromagnetism-based corrosion imaging using physics informed machine learning (PIML), tested and validated on the cross-sections of real metal casings/tubing with defects of various sizes, locations, and spacing. Unlike existing electromagnetism
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Barros e Vasconcellos, R. T., and M. L. R. Campos. "Sampling error analysis applied to high-accuracy measurements." In 2008 Conference on Precision Electromagnetic Measurements (CPEM 2008). IEEE, 2008. http://dx.doi.org/10.1109/cpem.2008.4574795.

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Tsai, Y. H., and S. S. Lu. "Localization accuracy matrix analysis for localization accuracy consideration in 2D precision fixture system." In 2007 Mediterranean Conference on Control & Automation. IEEE, 2007. http://dx.doi.org/10.1109/med.2007.4433966.

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Hattori, Lile, Dalton Guerrero, Jorge Figueiredo, Jo Brunet, and Jemerson Dam. "On the Precision and Accuracy of Impact Analysis Techniques." In Seventh IEEE/ACIS International Conference on Computer and Information Science (icis 2008). IEEE, 2008. http://dx.doi.org/10.1109/icis.2008.104.

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Liu, Beibei, Yingjie Yu, Wenjing Zhou, and Xiaoyan Wu. "Accuracy analysis of phase retrieval using Fourier transform method." In International Symposium on Precision Engineering Measurement and Instrumentation, edited by Junning Cui, Jiubin Tan, and Xianfang Wen. SPIE, 2015. http://dx.doi.org/10.1117/12.2181197.

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Reports on the topic "Accuracy; Precision; Robustness analysis"

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Tovo, L. L. Precision and Accuracy of Analysis for Boron in ITP Samples. Office of Scientific and Technical Information (OSTI), 1999. http://dx.doi.org/10.2172/8594.

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Beaudoin, G., and B. E. Taylor. Miles Laser Microprobe. part 2: preliminary assessment of precision and accuracy of sulphur isotope analysis. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1993. http://dx.doi.org/10.4095/134287.

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