نتایج جستجو برای: system conventional machines machine conditions

تعداد نتایج: 3267935  

Journal: :journal of operation and automation in power engineering 2007
m. darabian s. jalilzadeh m. azari

this paper focuses on multi-objective designing of multi-machine thyristor controlled series compensator (tcsc) using strength pareto evolutionary algorithm (spea). the tcsc parameters designing problem is converted to an optimization problem with the multi-objective function including the desired damping factor and the desired damping ratio of the power system modes, which is solved by a spea ...

2005
Aaron Bohannon Zena M. Ariola Amr Sabry

machines and reductions in a system of proof terms for a version the sequent calculus. We believe that by doing so we shed light on some essential characteristics of abstract machines, proofs in sequent calculus systems, and weak normalization of λ-terms. The machines that we consider are the (callby-name) Krivine machine and a call-by-value machine that may be called a “right-to-left CEK machi...

2005
Philip Chan David Abramson

Netfiles is an alternative API for message passing on distributed memory machines that is based on pipes. It provides enhanced capabilities such as broadcasts and gather operations. Because Netfiles overload conventional file I/O operations, parallel programs can be developed and tested on a file system before execution on a parallel machine. Netfiles is part of a parallel programming system ca...

2015
Olivier Barre

Mutual inductance is a phenomenon caused by the circulation of the magnetic flux in the core of an electrical machine. It is the result of the effect of the current flowing in one phase on the other phases. In conventional three-phase machines, such an effect has no influence on the electrical behaviour of the device. Although these machines are powered by power inverters, no problem should occ...

In this paper, a mixed-integer linearized programming (MINLP) model is presented to design a group layout (GL) of a cellular manufacturing system (CMS) in a dynamic environment with considering production planning (PP) decisions. This model incorporates with an extensive coverage of important manufacturing features used in the design of CMSs. There are also some features that make the presented...

Hossein Shirazi, Nikbakhsh Javadian Reza Kia Reza Tavakkoli-Moghaddam

This paper presents a multi-objective mixed-integer nonlinear programming model to design a group layout of a cellular manufacturing system in a dynamic environment, in which the number of cells to be formed is variable. Cell formation (CF) and group layout (GL) are concurrently made in a dynamic environment by the integrated model, which incorporates with an extensive coverage of important ...

Journal: :Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 2003

Scheduling problem for the hybrid flow shop scheduling problem (HFSP) followed by an assembly stage considering aging effects additional preventive and maintenance activities is studied in this paper. In this production system, a number of products of different kinds are produced. Each product is assembled with a set of several parts. The first stage is a hybrid flow shop to produce parts. All ...

2000
R. A. McMahon P. C. Roberts X. Wang P. J. Tavner

The performance of the brushless doubly-fed machine (BDFM) is analysed using a perphase equivalent circuit. An expression for the rating of the machine as a function of magnetic and electric loadings is developed, and the rating is compared to those of the doubly-fed induction machine and cascaded induction machines. As the magnetic field in a BDFM is complex, the magnetic loading is considered...

Journal: :journal of electrical and computer engineering innovations 2016
mostafa ahmadi darmani hooman hooshyar

axial flux permanent magnet (afpm) machines are attractive candidates for electric vehicles (evs) applications due to their axial compact structure, high efficiency, high power and torque density. this paper presents general design characteristics of afpm machines. moreover, torque density of the machine which is selected as main objective function, is enhanced by using genetic algorithm (ga) a...

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