نتایج جستجو برای: asynchronous machine

تعداد نتایج: 284075  

2002
Jia Lee Ferdinand Peper Susumu Adachi Kenichi Morita Shinro Mashiko

Reversible computation has attracted much attention over the years, not only for its promise for computers with radically reduced power consumption, but also for its importance for Quantum Computing. Though studied extensively in a great variety of synchronous computation models, it is virtually unexplored in an asynchronous framework. Particularly suitable asynchronous models for the study of ...

2011
Gordana Dodig Crnkovic

Within the framework of info-computationalism, morphological computation is described as fundamental principle for all natural computation (information processing). Foundations of a New Science of Computation Present computational machinery evolved from mechanical calculators to electronic machines with vacuum tubes and then transistors, and to integrated circuits and eventually microprocessors...

2015
SeyedMohammadHassan Hosseini Sina Eslami

It is very important, to optimize of clean electrical energy by employing of variable Speed pumped storage power plant (VSPSP). Variable speed machines are used extensively in wind power plants and pumped storage power plants. Therefore, the advantages of this technology are including: stability, reliability, fast dynamic responses, frequency control and high efficiency of power system. By usin...

Journal: :Informatica (Slovenia) 2009
Sofiane Gherbi Said Yahmedi Moussa Sedraoui

The doubly fed asynchronous machine is among the most used electrical machines due to its low cost, simplicity of construction and maintenance [1]. In this paper, we present a method to synthesize a robust controller of doubly fed asynchronous machine which is the main component of the wind turbine system (actually the most used model [2]), indeed: there is different challenges in the control o...

2014
Rachid Taleb Abdelkader Meroufel Ahmed Massoum

Harmonic Elimination Strategy (HES) has been a widely researched alternative to traditional PWM techniques. This paper presents the harmonic elimination strategy of a Uniform Step Asymmetrical Multilevel Inverter (USAMI) using Particle Swarm Optimization (PSO) which eliminates specified higher order harmonics while maintaining the required fundamental voltage. This method can be applied to USAM...

2007
Michael Philippsen

Choice between SIMD and MIMD. Parallel programming languages are either synchronous or asynchronous, re ecting whether the target machine is either a SIMD or MIMD architecture. On SIMD machines, programs are restricted to total synchrony, even if that causes poor machine utilization. On MIMD machines, tightly synchronous execution is quite expensive to implement when needed. Since the choice is...

2017
Ittai Abraham Srinivas Devadas Kartik Nayak Ling Ren

This paper presents new protocols for Byzantine state machine replication and Byzantine agreement in the synchronous and authenticated setting. The PBFT state machine replication protocol tolerates f Byzantine faults in an asynchronous setting using n = 3f + 1 replicas. We improve the Byzantine fault tolerance to n = 2f + 1 by utilizing the synchrony assumption. Our protocol also solves synchro...

2017
Fabian Pedregosa Rémi Leblond Simon Lacoste-Julien

Due to their simplicity and excellent performance, parallel asynchronous variants of stochastic gradient descent have become popular methods to solve a wide range of large-scale optimization problems on multi-core architectures. Yet, despite their practical success, support for nonsmooth objectives is still lacking, making them unsuitable for many problems of interest in machine learning, such ...

Journal: :DEStech Transactions on Environment, Energy and Earth Science 2017

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