Markov Switching Models For Probabilistic Solar Resource Assessment And Forecasting PDF Download

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Markov-Switching Models for Probabilistic Solar Resource Assessment and Forecasting

Markov-Switching Models for Probabilistic Solar Resource Assessment and Forecasting
Author: Vivek Srikrishnan
Publisher:
Total Pages:
Release: 2018
Genre:
ISBN:

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This work proposes and analyzes a Markov-switching autoregression model structurefor joint probabilistic modeling of the beam and global components of solarirradiance, which are important to simulate the performance of a variety of solarenergy conversion devices, including solar photovoltaics. The ability of this modelto assess the hourly solar resource is tested, using both a version of the modelthat is calibrated using all-year data and a version of the model that combinesindividual seasonally-calibrated models. While this simple model does not fullycapture the behavior of the solar resource, an analysis of the posterior predictivedistribution reveals strategies for improvement. A version of this model is also usedto forecast both irradiance components for a 15-minute lead time while assimilatinggeostationary satellite data into an inhomogeneous transition probability specification.The inhomogeneous specifications produce sharper predictive distributionsthan an analogous homogeneous model, but all have similar skill relative to a smartpersistence forecast.


Renewable Energy Resource Assessment and Forecasting

Renewable Energy Resource Assessment and Forecasting
Author: George Galanis
Publisher: MDPI
Total Pages: 306
Release: 2020-11-27
Genre: Technology & Engineering
ISBN: 3039430866

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In recent years, several projects and studies have been launched towards the development and use of new methodologies, in order to assess, monitor, and support clean forms of energy. Accurate estimation of the available energy potential is of primary importance, but is not always easy to achieve. The present Special Issue on ‘Renewable Energy Resource Assessment and Forecasting’ aims to provide a holistic approach to the above issues, by presenting multidisciplinary methodologies and tools that are able to support research projects and meet today’s technical, socio-economic, and decision-making needs. In particular, research papers, reviews, and case studies on the following subjects are presented: wind, wave and solar energy; biofuels; resource assessment of combined renewable energy forms; numerical models for renewable energy forecasting; integrated forecasted systems; energy for buildings; sustainable development; resource analysis tools and statistical models; extreme value analysis and forecasting for renewable energy resources.


Probabilistic Forecasting of Electricity Load with Inhomogeneous Markov Switching Models

Probabilistic Forecasting of Electricity Load with Inhomogeneous Markov Switching Models
Author: Kevin Berk
Publisher:
Total Pages: 20
Release: 2017
Genre:
ISBN:

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In this paper we suggest a novel inhomogeneous Markov switching approach for probabilistic forecasting of electricity load of industrial companies, for which the load switches at random times between a production and a standby regime. The model we propose describes the transitions between the regimes by a hidden Markov chain with time-varying transition probabilities depending on calendar variables. The demand during the production regime is modeled by an ARMA process with seasonal patterns, whereas we use a much simpler model for the standby regime to reduce complexity. The maximum likelihood estimation of the parameters is implemented with a Differential Evolution algorithm. Using the continuous ranked probability score (CRPS) to evaluate the goodness of fit of our model for probabilistic forecasting it is shown that this model often outperforms classical additive time series models as well as homogeneous Markov switching models.We also propose a simple procedure to classify load profiles into ones with and without regime-switching behavior.


Solar Energy Forecasting and Resource Assessment

Solar Energy Forecasting and Resource Assessment
Author: Jan Kleissl
Publisher: Academic Press
Total Pages: 503
Release: 2013-06-25
Genre: Technology & Engineering
ISBN: 012397772X

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Solar Energy Forecasting and Resource Assessment is a vital text for solar energy professionals, addressing a critical gap in the core literature of the field. As major barriers to solar energy implementation, such as materials cost and low conversion efficiency, continue to fall, issues of intermittency and reliability have come to the fore. Scrutiny from solar project developers and their financiers on the accuracy of long-term resource projections and grid operators’ concerns about variable short-term power generation have made the field of solar forecasting and resource assessment pivotally important. This volume provides an authoritative voice on the topic, incorporating contributions from an internationally recognized group of top authors from both industry and academia, focused on providing information from underlying scientific fundamentals to practical applications and emphasizing the latest technological developments driving this discipline forward. The only reference dedicated to forecasting and assessing solar resources enables a complete understanding of the state of the art from the world’s most renowned experts. Demonstrates how to derive reliable data on solar resource availability and variability at specific locations to support accurate prediction of solar plant performance and attendant financial analysis. Provides cutting-edge information on recent advances in solar forecasting through monitoring, satellite and ground remote sensing, and numerical weather prediction.


Hidden Markov Models for Time Series

Hidden Markov Models for Time Series
Author: Walter Zucchini
Publisher: CRC Press
Total Pages: 370
Release: 2017-12-19
Genre: Mathematics
ISBN: 1482253844

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Hidden Markov Models for Time Series: An Introduction Using R, Second Edition illustrates the great flexibility of hidden Markov models (HMMs) as general-purpose models for time series data. The book provides a broad understanding of the models and their uses. After presenting the basic model formulation, the book covers estimation, forecasting, decoding, prediction, model selection, and Bayesian inference for HMMs. Through examples and applications, the authors describe how to extend and generalize the basic model so that it can be applied in a rich variety of situations. The book demonstrates how HMMs can be applied to a wide range of types of time series: continuous-valued, circular, multivariate, binary, bounded and unbounded counts, and categorical observations. It also discusses how to employ the freely available computing environment R to carry out the computations. Features Presents an accessible overview of HMMs Explores a variety of applications in ecology, finance, epidemiology, climatology, and sociology Includes numerous theoretical and programming exercises Provides most of the analysed data sets online New to the second edition A total of five chapters on extensions, including HMMs for longitudinal data, hidden semi-Markov models and models with continuous-valued state process New case studies on animal movement, rainfall occurrence and capture-recapture data


Markov-Switching Vector Autoregressions

Markov-Switching Vector Autoregressions
Author: Hans-Martin Krolzig
Publisher: Springer Science & Business Media
Total Pages: 369
Release: 2013-06-29
Genre: Business & Economics
ISBN: 364251684X

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This book contributes to re cent developments on the statistical analysis of multiple time series in the presence of regime shifts. Markov-switching models have become popular for modelling non-linearities and regime shifts, mainly, in univariate eco nomic time series. This study is intended to provide a systematic and operational ap proach to the econometric modelling of dynamic systems subject to shifts in regime, based on the Markov-switching vector autoregressive model. The study presents a comprehensive analysis of the theoretical properties of Markov-switching vector autoregressive processes and the related statistical methods. The statistical concepts are illustrated with applications to empirical business cyde research. This monograph is a revised version of my dissertation which has been accepted by the Economics Department of the Humboldt-University of Berlin in 1996. It con sists mainly of unpublished material which has been presented during the last years at conferences and in seminars. The major parts of this study were written while I was supported by the Deutsche Forschungsgemeinschajt (DFG), Berliner Graduier tenkolleg Angewandte Mikroökonomik and Sondeiforschungsbereich 373 at the Free University and Humboldt-University of Berlin. Work was finally completed in the project The Econometrics of Macroeconomic Forecasting founded by the Economic and Social Research Council (ESRC) at the Institute of Economies and Statistics, University of Oxford. It is a pleasure to record my thanks to these institutions for their support of my research embodied in this study.


Handbook of Probabilistic Models

Handbook of Probabilistic Models
Author: Pijush Samui
Publisher: Butterworth-Heinemann
Total Pages: 590
Release: 2019-10-05
Genre: Computers
ISBN: 0128165464

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Handbook of Probabilistic Models carefully examines the application of advanced probabilistic models in conventional engineering fields. In this comprehensive handbook, practitioners, researchers and scientists will find detailed explanations of technical concepts, applications of the proposed methods, and the respective scientific approaches needed to solve the problem. This book provides an interdisciplinary approach that creates advanced probabilistic models for engineering fields, ranging from conventional fields of mechanical engineering and civil engineering, to electronics, electrical, earth sciences, climate, agriculture, water resource, mathematical sciences and computer sciences. Specific topics covered include minimax probability machine regression, stochastic finite element method, relevance vector machine, logistic regression, Monte Carlo simulations, random matrix, Gaussian process regression, Kalman filter, stochastic optimization, maximum likelihood, Bayesian inference, Bayesian update, kriging, copula-statistical models, and more. Explains the application of advanced probabilistic models encompassing multidisciplinary research Applies probabilistic modeling to emerging areas in engineering Provides an interdisciplinary approach to probabilistic models and their applications, thus solving a wide range of practical problems


Markov Models & Optimization

Markov Models & Optimization
Author: M.H.A. Davis
Publisher: CRC Press
Total Pages: 316
Release: 1993-08-01
Genre: Mathematics
ISBN: 9780412314100

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This book presents a radically new approach to problems of evaluating and optimizing the performance of continuous-time stochastic systems. This approach is based on the use of a family of Markov processes called Piecewise-Deterministic Processes (PDPs) as a general class of stochastic system models. A PDP is a Markov process that follows deterministic trajectories between random jumps, the latter occurring either spontaneously, in a Poisson-like fashion, or when the process hits the boundary of its state space. This formulation includes an enormous variety of applied problems in engineering, operations research, management science and economics as special cases; examples include queueing systems, stochastic scheduling, inventory control, resource allocation problems, optimal planning of production or exploitation of renewable or non-renewable resources, insurance analysis, fault detection in process systems, and tracking of maneuvering targets, among many others. The first part of the book shows how these applications lead to the PDP as a system model, and the main properties of PDPs are derived. There is particular emphasis on the so-called extended generator of the process, which gives a general method for calculating expectations and distributions of system performance functions. The second half of the book is devoted to control theory for PDPs, with a view to controlling PDP models for optimal performance: characterizations are obtained of optimal strategies both for continuously-acting controllers and for control by intervention (impulse control). Throughout the book, modern methods of stochastic analysis are used, but all the necessary theory is developed from scratch and presented in a self-contained way. The book will be useful to engineers and scientists in the application areas as well as to mathematicians interested in applications of stochastic analysis.