Web based system architecture for long pulse remote experimentation

Remote experimentation (RE) methods will be essential in next generation fusion devices. Requirements for long pulse RE will be: on-line data visualization, on-line data acquisition processes monitoring and on-line data acquisition systems interactions (start, stop or set-up modifications). Note that these methods are not oriented to real-time control of fusion plant devices. INDRA Sistemas S.A., CIEMAT (Centro de Investigaciones Energéticas Medioambientales y Tecnológicas) and UPM (Universidad Politécnica de Madrid) have designed a specific software architecture for these purposes. The architecture can be supported on the BeansNet platform, whose integration with an application server provides an adequate solution to the requirements. BeansNet is a JINI based framework developed by INDRA, which makes easy the implementation of a remote experimentation model based on a Service Oriented Architecture. The new software architecture has been designed on the basis of the experience acquired in the development of an upgrade of the TJ-II remote experimentation system

Information Content of the Gravitational Field of a Quantum Superposition

When a massive quantum body is put into a spatial superposition, it is of interest to consider the quantum aspects of the gravitational field sourced by the body. We argue that in order to understand how the body may become entangled with other massive bodies via gravitational interactions, it must be thought of as being entangled with its own Newtonian-like gravitational field. Thus, a Newtonian-like gravitational field must be capable of carrying quantum information. Our analysis supports the view that table-top experiments testing entanglement of systems interacting via gravity do probe the quantum nature of gravity, even if no ``gravitons'' are emitted during the experiment.Comment: 4 pages, 1 figure. First prize essay in the Gravity Research Foundation 2019 Essays on Gravitation. To appear in IJMPD. arXiv admin note: substantial text overlap with arXiv:1807.0701

Quantum Superposition of Massive Objects and the Quantization of Gravity

We analyse a gedankenexperiment previously considered by Mari et al. that involves quantum superpositions of charged and/or massive bodies ("particles") under the control of the observers, Alice and Bob. In the electromagnetic case, we show that the quantization of electromagnetic radiation (which causes decoherence of Alice's particle) and vacuum fluctuations of the electromagnetic field (which limits Bob's ability to localize his particle to better than a charge-radius) both are essential for avoiding apparent paradoxes with causality and complementarity. We then analyze the gravitational version of this gedankenexperiment. We correct an error in the analysis of Mari et al. and of Baym and Ozawa, who did not properly account for the conservation of center of mass of an isolated system. We show that the analysis of the gravitational case is in complete parallel with the electromagnetic case provided that gravitational radiation is quantized and that vacuum fluctuations limit the localization of a particle to no better than a Planck length. This provides support for the view that (linearized) gravity should have a quantum field description.Comment: 9 pages, 1 figure. Version accepted for publication in Phys.Rev.

Ultra High Energy Cosmic Ray, Neutrino, and Photon Propagation and the Multi-Messenger Approach

The propagation of UHECR nuclei for A=1 (protons) to A=56 (iron) from cosmological sources through extragalactic space is discussed in the first lecture. This is followed in the second and third lectures by a consideration of the generation and propagation of secondary particles produced via the UHECR loss interactions. In the second lecture we focus on the generation of the diffuse cosmogenic UHE-neutrino flux. In the third lecture we investigate the arriving flux of UHE-photon flux at Earth. In the final lecture the results of the previous lectures are put together in order to provide new insights into UHECR sources. The first of these providing a means with which to investigate the local population of UHECR sources through the measurement of the UHECR spectrum and their photon fraction at Earth. The second of these providing contraints on the UHECR source radiation fields through the possible observation at Earth of UHECR nuclei.Comment: 21 pages, 9 figures, to appear in A.I.P. Conf. Proceedings, 3rd Latin American School on Cosmic Rays, Arequipa, Peru, September, 200

Analysis of NetCDF-4 and HDF-5 scientific file formats for the data archiving of ITER fast plant system controller prototype

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Determination of Arsenic, Mercury and Barium in herbarium mount paper using dynamic ultrasound-assisted extraction prior to atomic fluorescence and absorption spectrometry

A dynamic ultrasound-assisted extraction method using Atomic Absorption and Atomic Flourescence spectrometers as detectors was developed to analyse mercury, arsenic and barium from herbarium mount paper originating from the herbarium collection of the National Museum of Wales. The variables influencing extraction were optimised by a multivariate approach. The optimal conditions were found to be 1% HNO3 extractant solution used at a flow rate of 1 mL min-1. The duty cycle and amplitude of the ultrasonic probe was found to be 50% in both cases with an ultrasound power of 400 W. The optimal distance between the probe and the top face of the extraction chamber was found to be 0 cm. Under these conditions the time required for complete extraction of the three analytes was 25 min. Cold vapour and hydride generation coupled to atomic fluorescence spectrometry was utilized to determine mercury and arsenic, respectively. The chemical and instrumental conditions were optimized to provide detection limits of 0.01ng g-1 and 1.25 ng g-1 for mercury and arsenic, respectively. Barium was determined by graphite-furnace atomic absorption spectrometry, with a detection limit of 25 ng g-1. By using 0.5 g of sample, the concentrations of the target analytes varied for the different types of paper and ranged between 0.4–2.55 µg g-1 for Ba, 0.035–10.47 µg g-1 for As and 0.0046–2.37 µg g-1 for Hg

A discrete MMAP for analysing the behaviour of a multi-state complex dynamic system subject to multiple events.

A complex multi-state system subject to different types of failures, repairable and/or nonrepairable, external shocks and preventive maintenance is modelled by considering a discrete Markovian arrival process with marked arrivals (D-MMAP). The internal performance of the system is composed of several degradation states partitioned into minor and major damage states according to the risk of failure. Random external events can produce failures throughout the system. If an external shock occurs, there may be an aggravation of the internal degradation, cumulative external damage or extreme external failure. The internal performance and the cumulative external damage are observed by random inspection. If major degradation is observed, the unit goes to the repair facility for preventive maintenance. If a repairable failure occurs then the system goes to corrective repair with different time distributions depending on the failure state. Time distributions for corrective repair and preventive maintenance depend on the failure state. Rewards and costs depending on the state at which the device failed or was inspected are introduced. The system is modelled and several measures of interest are built into transient and stationary regimes. A preventive maintenance policy is shown to determine the effectiveness of preventive maintenance and the optimum state of internal and cumulative external damage at which preventive maintenance should be taken into account. A numerical example is presented, revealing the efficacy of the model. Correlations between the numbers of different events over time and in non-overlapping intervals are calculated. The results are expressed in algorithmic-matrix form and are implemented computationally with Matlab.Junta de Andalucía, Spain, under the grant FQM307Ministerio de Economía y Competitividad, España, MTM2017-88708-PEuropean Regional Development Fund (ERDF

Estimación de la heredabilidad para el peso al nacimiento y el peso al destete en la raza chino santandereano y sus cruces en el departamento de Santander

Con el objetivo de estimar los componentes de varianza y valores de heredabilidad para el peso al nacimiento y el peso al destete en ejemplares de la raza criolla Chino Santandereano (CH), se analizaron 277 registros entre los años 2008 y 2012 pertenecientes a las ganaderías Ojo de Agua y Las Pampas en el Departamento de Santander. Se utilizó un modelo animal mixto que incluyó los efectos fijos de año de nacimiento y destete, finca, sexo, época de nacimiento y destete, número de parto, composición racial y el efecto aleatorio del padre; los análisis se realizaron empleando los procedimientos GLM y MIXED del programa estadístico (SAS®, 9.0). Para el peso al nacimiento se observó un promedio general de 27,20 ± 7,5 kg, encontrándose un efecto significativo del año de nacimiento. Para el peso al destete se obtuvo un promedio general de 160,46 ± 62,9 kg, con efectos significativos de la finca y la composición racial. No se encontró un efecto significativo del padre en la expresión de ninguna de las dos características analizadas. Las estimaciones de heredabilidad para el peso al nacimiento y el peso al destete fueron de 0,38 ± 0,19 y 0,18 ± 0,14 respectivamente. Se concluye que es apropiado realizar selección genética para la característica peso al nacimiento, aunque se requiere mejorar las condiciones medioambientales durante la fase del predestete a fin de obtener una mayor respuesta productiva.In order to estimate the variance components and heritability values for birth weight and weaning weight in specimen of the Chino Santandereano breed (CH), 277 records between 2008 and 2012 were analyzed belonging to herds Ojo de Agua and Las Pampas in the Department of Santander. A mixed animal model that included the fixed effects of year of birth and weaning, farm, sex, date of birth and weaning, parity, racial composition and the random effect of the sire was used; analysis were performed using the GLM and MIXED (SAS ® 9.0) statistical program procedures. For birth weight an overall average of 27.20 ± 7.5 kg was observed, finding a significant effect of year of birth. Weaning weight for an overall average of 160.46 ± 62.9 kg, with significant effects of the farm and the racial composition was obtained. No significant effect of the father in the expression of any of the two characteristics analyzed was found. Heritability estimates for birth weight were 0.38 ± 0.19 and for weaning weight of 0.18 ± 0.14. It concludes that it is appropriate to conduct genetic selection taking into account the characteristic birth weight and improvement of environmental conditions during the preweaning to obtain more productive response. KEYWORDS: Chino Santandereano, heritability, birth weight, weaning weigh

IEEE1588 V2 clock distribution in FlexRIO devices: clock drift measurement

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