نتایج جستجو برای: Single machine

تعداد نتایج: 1110707  

Journal: :بین المللی مهندسی صنایع و مدیریت تولید 0
ghasem moslehi professor of industrial engineering – isfahan university of technology kamran kianfar phd student of industrial engineering – isfahan university of technology

nowadays, scheduling problems have a considerable application in production and service systems. in this paper, we consider the scheduling of n jobs on a single machine assuming no machine idleness, non-preemptive jobs and equal process times. in many of previous researches, because of the delivery dalays and holding costs, earliness and tardiness penalties emerge in the form of linear combinat...

Journal: :journal of quality engineering and production optimization 2015
amir hossein parsamanesh rashed sahraeian

despite existing various integer programming for sequencing problems, there is not enoughinformation about practical values of the models. this paper considers the problem of minimizing maximumlateness with release dates and presents four different mixed integer programming (mip) models to solve thisproblem. these models have been formulated for the classical single machine problem, namely sequ...

Journal: :shiraz journal of system management 0
maziyar yazdani department of industrial engineering, university of tehran, tehran, iran fariborz jolai department of industrial engineering, university of tehran, tehran, iran

the problem of scheduling with multi agent has been studiedfor more than one decade and significant advances have been madeover the years. however, most work has paid more attention to the conditionthat machines are available during planning horizon. motivatedby the observations, this paper studies a two-agent scheduling modelwith multiple availability constraint. each agent aims at minimizing ...

Journal: :international journal of industrial engineering and productional research- 0
r. tavakolimoghadam m. vasei

in this paper, a single machine sequencing problem is considered in order to find the sequence of jobs minimizing the sum of the maximum earliness and tardiness with idle times (n/1/i/etmax). due to the time complexity function, this sequencing problem belongs to a class of np-hard ones. thus, a special design of a simulated annealing (sa) method is applied to solve such a hard problem. to comp...

Fallahnezhad, Niaki,

  A novel optimal single machine replacement policy using a single as well as a two-stage decision making process is proposed based on the quality of items produced. In a stage of this policy, if the number of defective items in a sample of produced items is more than an upper threshold, the machine is replaced. However, the machine is not replaced if the number of defective items is less than ...

Alireza Tvakoli Dinani Mohsen Radan

This paper works on the concept of flatness and its practical application for the design of an optimal transient controller in a synchronous machine. The feedback linearization scheme of interest requires the generation of a flat output from which the feedback control law can easily be designed. Thus the computation of the flat output for reduced order model of the synchronous machine with simp...

Journal: :international journal of smart electrical engineering 0
mohsen radan electrical power engineering group, najafabad branch, islamic azad university alireza tvakoli dinani department of electrical engineering, najafabad branch, islamic azad university,

this paper works on the concept of flatness and its practical application for the design of an optimal transient controller in a synchronous machine. the feedback linearization scheme of interest requires the generation of a flat output from which the feedback control law can easily be designed. thus the computation of the flat output for reduced order model of the synchronous machine with simp...

Journal: :international journal of industrial engineering and productional research- 0
m. mohammadi master student in department of industrial engineering, college of engineering, university of tehran, iran r. tavakkoli-moghaddam professor in department of industrial engineering, college of engineering, university of tehran, iran. a. ghodratnama ph.d. student in department of industrial engineering, college of engineering, university of tehran, iran. h. rostami student in department of industrial engineering, college of engineering, university of tabriz, iran

hub covering location problem, network design,   single machine scheduling, genetic algorithm,   shuffled frog leaping algorithm   hub location problems (hlp) are synthetic optimization problems that appears in telecommunication and transportation networks where nodes send and receive commodities (i.e., data transmissions, passengers transportation, express packages, postal deliveries, etc.) th...

In view of pollution prediction modeling, the study adopts homogenous (random forest, bagging, and additive regression) and heterogeneous (voting) ensemble classifiers to predict the atmospheric concentration of Sulphur dioxide. For model validation, results were compared against widely known single base classifiers such as support vector machine, multilayer perceptron, linear regression and re...

Journal: :journal of operation and automation in power engineering 2007
n. bigdeli e. ghanbaryan k. afshar

in this paper, the unified power flow controller (upfc) is enhanced with a chaotic particle swarm optimization (cpso) damping controller in order to mitigate the low frequency oscillations (lfo) in a single machine infinite bus (smib) power system. the designed damping controller is an optimized lead-lag controller, which extracts the speed deviation of the generator rotor and generates the out...

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