958 resultados para Recursive programming


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The Remez penalty and smoothing algorithm (RPSALG) is a unified framework for penalty and smoothing methods for solving min-max convex semi-infinite programing problems, whose convergence was analyzed in a previous paper of three of the authors. In this paper we consider a partial implementation of RPSALG for solving ordinary convex semi-infinite programming problems. Each iteration of RPSALG involves two types of auxiliary optimization problems: the first one consists of obtaining an approximate solution of some discretized convex problem, while the second one requires to solve a non-convex optimization problem involving the parametric constraints as objective function with the parameter as variable. In this paper we tackle the latter problem with a variant of the cutting angle method called ECAM, a global optimization procedure for solving Lipschitz programming problems. We implement different variants of RPSALG which are compared with the unique publicly available SIP solver, NSIPS, on a battery of test problems.

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The commercial data acquisition systems used for seismic exploration are usually expensive equipment. In this work, a low cost data acquisition system (Geophonino) has been developed for recording seismic signals from a vertical geophone. The signal goes first through an instrumentation amplifier, INA155, which is suitable for low amplitude signals like the seismic noise, and an anti-aliasing filter based on the MAX7404 switched-capacitor filter. After that, the amplified and filtered signal is digitized and processed by Arduino Due and registered in an SD memory card. Geophonino is configured for continuous registering, where the sampling frequency, the amplitude gain and the registering time are user-defined. The complete prototype is an open source and open hardware system. It has been tested by comparing the registered signals with the ones obtained through different commercial data recording systems and different kind of geophones. The obtained results show good correlation between the tested measurements, presenting Geophonino as a low-cost alternative system for seismic data recording.

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Over 90% of the external relations budget of the EU is processed through its external financial instruments. With the Lisbon Treaty and the creation of the new European External Action Service (EEAS), the institutional architecture of these instruments was significantly reformed. This contribution analyses strategic programming both pre- and post-Lisbon, identifies ‘winners’ and ‘losers’, and examines the potential of the new provisions to increase the coherence of EU external action. The examination shows that the instruments can be categorised into three groupings: ‘the big three’ comprising the bulk of funding characterised by joint programming and responsibilities; the ‘Commission-only’ instruments where all powers remain with the Commission; and the ‘EEAS-led rest’ in which the High Representative and the EEAS play a strong role but only have limited financial resources available. The new system calls for strong coordination of all involved actors in order to make it work. Findings of a case study on the Instrument for Stability reveal, however, that so far the establishment of the EEAS has not made a substantial impact on strategic programming in its first two years.

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Questa tesi ha come obiettivo la sperimentazione del nuovo sistema operativo Windows 10 IoT Core su tecnologia Raspberry Pi 2, verificandone la compatibilita con alcuni sensori in commercio. Tale studio viene poi applicato in un contesto di Home Intelligence al fine di creare un agente per la gestione di luci LED, in prospettiva della sua integrazione nel sistema prototipale Home Manager.

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Federal Highway Administration, Washington, D.C.

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Bibliography: leaves [87]-[88]