نتایج جستجو برای: operating points

تعداد نتایج: 413898  

Journal: :CoRR 2014
Abdul Basit Memon Erik I. Verriest

This paper considers the optimal control problem of connecting two periodic trajectories with maximal persistence. A maximally persistent trajectory is close to the periodic type in the sense that the norm of the image of this trajectory under the operator defining the periodic type is minimal among all trajectories. A solution is obtained in this paper for the case when the two trajectories ha...

2008
Xiu-chun Luan Wei-shi Han Ai-guang Young Yu Zhai Yu Jiang

The Takagi-Sugeno (T-S) fuzzy multiple-variable integral control system with fuzzy state observer is designed for the coordinated control of multi-input-multi-output (MIMO) nonlinear boilerturbine system whose operating points vary within a wide range. Linear models are first derived from the original nonlinear model on several operating points. Next the fuzzy multi-variable integral controller...

Journal: :Eur. J. Control 2008
P. Menchinelli Alberto Bemporad

This paper describes the development and experimental validation of a multi-layer hybrid controller for optimizing energy management in a solar air conditioning plant. The hybrid nature of the process is due to its multi-mode structure: the refrigeration circuit can be fed by flat solar collectors, a storage system, by an auxiliary gas heater, or by a combination of them. The selection of the o...

2005
Daniel Lohmann Wolfgang Schröder-Preikschat Olaf Spinczyk

System software for deeply embedded devices has to cope with a broad variety of requirements and platforms, but especially with strict resource constraints. To compete against proprietary systems (and thereby to facilitate reuse), an operating system product line for deeply embedded systems has to be highly configurable and tailorable. It is therefore crucial that all selectable and configurabl...

2003
Gursel Serpen Yifeng Xu

Abstract— This paper presents a theoretical local stability analysis of the Simultaneous Recurrent Neural network (SRN) as a nonlinear dynamic system operating in relaxation mode for static combinatorial optimization. Specifically, stability of hypercube corners of the SRN dynamics, which are equilibrium points for high-gain node dynamics and useful entities to represent solutions of combinator...

2010
Fernanda Smith Francisco Müller Aldebaro Klautau Evaldo Pelaes Marcio Monteiro Boris Dortschy

This work proposes a method for the evaluation of the effectiveness of adopting dynamic spectral management (DSM) algorithms in different DSL scenarios. In the last years several DSM algorithms emerged in the literature but their comparison has been typically conducted within few scenarios and considering specific operating points. This work proposes the adoption of the DSM effectiveness factor...

2014
Maik Leska Robert Prabel Harald Aschemann Andreas Rauh

The potential fuel savings of hybrid vehicles strongly depend on the energy management strategy, which distributes the required power between the prime mover and the additional power sources. Here, it is necessary to take into account the efficiencies of the whole propulsion system. In this paper, a novel operating strategy is developed that considers the efficiencies of all major components of...

2017
Alexandre Presas David Valentin Eduard Egusquiza Carme Valero

Francis turbines operate in many cases out of its best efficiency point, in order to regulate their output power according to the instantaneous energy demand of the grid. Therefore, it is of paramount importance to analyse and determine the unstable operating points for these kind of units. In the framework of the HYPERBOLE project (FP7-ENERGY-2013-1; Project number 608532) a large Francis unit...

2010
Frank Lin William W. Cohen

Large-scale text datasets have long eluded a family of particularly elegant and effective clustering methods that exploits the power of pair-wise similarities between data points due to the prohibitive cost, timeand space-wise, in operating on a similarity matrix, where the state-of-the-art is at best quadratic in time and in space. We present an extremely fast and simple method also using the ...

ژورنال: تحقیقات موتور 2018

In recent years, promising methods have been used to increase thermal efficiency, reduce nitrogen oxide and particle matter, which can be described as an example of an ethanol fuelled HCCI engine. But despite the many benefits of these engines, they continue to face problems such as increasing carbon monoxide production, unburned hydrocarbon, and producing combustion noise at high loads. In thi...

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