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A data augmentation approach for a class of statistical inference problems
ArticleAbstract: We present an algorithm for a class of statistical inference problems. The main idea is to reformulaPalabras claves:Autores:Carvajal R., Escarate P., Juan C. Agüero, Katselis D., Orellana R.Fuentes:scopusA method to deconvolve stellar rotational velocities III. The probability distribution function via maximum likelihood utilizing finite distribution mixtures
ArticleAbstract: Aims. The study of accurate methods to estimate the distribution of stellar rotational velocities isPalabras claves:Methods: analytical, methods: data analysis, methods: numerical, Methods: statistical, Stars: fundamental parameters, Stars: rotationAutores:Carvajal R., Christen A., Curé M., Escarate P., Juan C. Agüero, Orellana R.Fuentes:scopusVibration model identification using the maximum likelihood method
Conference ObjectAbstract: Vibration effects acting in the science light path reduce the performance of the adaptive optics sysPalabras claves:Adaptive optics, Continuous-time oscillator, identification, Maximum likelihood, VibrationsAutores:Carvajal R., Coronel M., Escarate P., González K., Juan C. AgüeroFuentes:scopusVibrations modelling at LBTO utilizing telemetry data
Conference ObjectAbstract: It is widely accepted that the non-turbulent perturbations in modern telescopes arise from the instrPalabras claves:Active or adaptive optics, vibration analysisAutores:Carvajal R., Christou J.C., Coronel M., Escarate P., Hill J.M., Juan C. Agüero, Rahmer G.Fuentes:scopusDisturbance modelling for minimum variance control in adaptive optics systems using wavefront sensor sampled-data
ArticleAbstract: Modern large telescopes are built based on the effectiveness of adaptive optics systems in mitigatinPalabras claves:Adaptive optics, disturbances, identification, Minimum variance controller, Modelling, Wavefront sensor, Whittle’s likelihoodAutores:Carvajal R., Coronel M., Escarate P., Juan C. AgüeroFuentes:scopusLinear quadratic regulator for laser beam shaping
ArticleAbstract: The performance of an adaptive optics system depends on multiple factors, including the quality of tPalabras claves:Adaptive optics, Laser beam shaping, Linear quadratic regulator, Optimal ControlAutores:Castro M., Escarate P., Garcés J., Juan C. Agüero, Zúñiga S.Fuentes:scopusMinimum variance control for mitigation of vibrations in adaptive optics systems
ArticleAbstract: In this paper, we address the design of a minimum variance controller (MVC) for the mitigation of viPalabras claves:Autores:Carvajal R., Close L., Escarate P., Juan C. Agüero, Males J., Morzinski K.Fuentes:scopusModel predictive control for laser beam shaping
ArticleAbstract: Adaptive Optics (AO) is a technique used to mitigate the effect of the atmosphere in the resolutionPalabras claves:Adaptive optics, Laser Shaping, Model Pbkp_redictive Control, model predictive control, Optimal ControlAutores:Escarate P., Juan C. Agüero, Marchioni J., Zúñiga S.Fuentes:scopusMaximum Likelihood Identification of a Continuous-Time Oscillator Utilizing Sampled Data
Conference ObjectAbstract: In this paper we analyze the likelihood function corresponding to a continuous-time oscillator utiliPalabras claves:Continuous Time System Estimation, Maximum Likelihood Methods, TIME SERIESAutores:Carvajal R., Coronel M., Escarate P., González K., Juan C. AgüeroFuentes:scopusIdentification and control of an experimental Adaptive Optics setup
Conference ObjectAbstract: Adaptive optics have become the standard technique to compensate disturbances for ground based astroPalabras claves:Adaptive optics, control, system identificationAutores:Carvajal R., Escarate P., Juan C. Agüero, Langedijk C., Soto-Munoz N.Fuentes:scopus