نتایج جستجو برای: Time Sequence

تعداد نتایج: 2234098  

Nadia Bhuiyan Shahram Sharifi Stayaveer.S. Chauhan

This paper presents the idea of creating cells while reducing part-level sequence-dependent setup time in general cellular manufacturing systems (CMS). Setup time reduction in CMS has gained modest attention in the literature. This could be attributed to the fact that the fundamental problem in cell formation in CMS has been mainly related to material handling and machine utilization while setu...

Journal: :Journal of Computer and System Sciences 1970

Journal: :Mathematics 2023

Traditional machine learning sequence models, such as RNN and LSTM, can solve sequential data problems with the use of internal memory states. However, neuron units weights are shared at each time step to reduce computational costs, limiting their ability learn time-varying relationships between model inputs outputs. In this context, paper proposes two methods characterize dynamic in real-world...

Journal: :journal of optimization in industrial engineering 2010
bahman naderi mostafa zandieh seyed mohammad taghi fatemi ghomi

this paper explores the flexile flow lines where setup times are sequence- dependent. the optimization criterion is the minimization of total weighted completion time. we propose an iterated greedy algorithm (iga) to tackle the problem. an experimental evaluation is conducted to evaluate the proposed algorithm and, then, the obtained results of iga are compared against those of some other exist...

Journal: :journal of modern processes in manufacturing and production 2014
mohammadreza naghibi abolfazl adressi

nowadays, by successful application of on time production concept in other concepts like production management and storage, the need to complete the processing of jobs in their delivery time is considered a key issue in industrial environments. unrelated parallel machines scheduling is a general mood of classic problems of parallel machines. in some of the applications of unrelated parallel mac...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

چکیده هدف:انگل لیشمانیاماژور انگل تک یاخته ای تاژکدار ، با تنوع بیش از 20 گونه دارای گسترش جهانی می باشد. این انگل عامل بیماری لیشمانیازیس پوستی (cl) در انسان است. برای تشخیص این بیماری استفاده از روش های مولکولی حساس تر از روش های میکروسکپی است. استفاده از روش nasba بدلیل شناسائی انگل زنده دارای ویژگی بالائی است. هدف از این مطالعه استفاده ازتکنیک مولکولی ایزوترمال nasba (nucleic acid sequence...

Journal: :journal of optimization in industrial engineering 2013
javad rezaeian hany seidgar morteza kiani

this paper presents a new mathematical model for a hybrid flow shop scheduling problem with multiprocessor tasks in which sequence dependent set up times and preemption are considered. the objective is to minimize the weighted sum of makespan and maximum tardiness. three meta-heuristic methods based on genetic algorithm (ga), imperialist competitive algorithm (ica) and a hybrid approach of ga a...

Journal: :Transactions of the Society of Instrument and Control Engineers 1971

Journal: :Clinical Cardiology 1986

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