نتایج جستجو برای: multi stage production systems

تعداد نتایج: 2397336  

Ripon Kumar Chakrabortty Sanjoy Kumar Paul,

Lean manufacturing is a systematic approach to identifying and eliminating wastes (non-value added activities) through continuous improvement by conveying the product at the pull of the customer in pursuit of production. In a more basic term, more value with less work. Since lean manufacturing eliminates many of the problems associated with poor production scheduling and line balancing, lean ma...

2005
Kai Huang Shabbir Ahmed Ozlem Ergun Joel Sokol Samer Takriti

To my dear wife Ying Luo, my dad Naiyu Huang, my mom Yan Li, and my whole family, your love is always the source of my strength. iii ACKNOWLEDGEMENTS First, I want to thank my advisor Dr. Shabbir Ahmed, without whose guidance I could not have finished this exciting journey of discovery and exploration. He taught me how to select a valuable research topic, to conduct high quality research, and t...

Journal: :international journal of industrial mathematics 0
s. kordrostami‎‎ department of mathematics, lahijan branch, islamic azad university, lahijan, ‎iran.‎ m. jahani sayyad ‎noveiri department of mathematics, lahijan branch, islamic azad university, lahijan, ‎iran.‎

data envelopment analysis (dea) is a mathematical technique to evaluate the performance of firms with multiple inputs and outputs. in conventional dea models, the efficiency scores of decision making units (dmus) with non-negative inputs and outputs are evaluated in a special period of time. however, in the real world there are situations wherein performance of firms must be evaluated in multip...

2005
Dietrich Beck Holger Brand

The CS (Control System) framework is object-oriented, multi-threaded, event-driven, distributed and provides SCADA (Supervisory Control And Data Acquisition) functionality [1]. Today, CS is in production at various facilities SHIPTRAP [2], ISOLTRAP [3,4], LEBIT [5] and at another atomic physics experiment at GSI [6]. At PHELIX [7] and REXTRAP [8], the commissioning of CS based systems is in the...

2011
Chuanyu Zhao Qiang Xu Dan F. Smith

Hoist scheduling is an important element for productivity maximization in multi-stage material handling processes, especially in electroplating system. However, the productivity of a multi-stage process not only depends on the hoist schedule, but also substantially relies on the production line arrangement, i.e., the design for spatial allocations of various processing units. In this paper, an ...

Scheduling for a two-stage production system is one of the most common problems in production management. In this production system, a number of products are produced and each product is assembled from a set of parts. The parts are produced in the first stage that is a fabrication stage and then they are assembled in the second stage that usually is an assembly stage. In this article, the first...

Journal: :journal of operation and automation in power engineering 2007
o. abedinia n. amjady a. ghasemi h. shayeghi

a new multi-stage fuzzy (msf) controller based on multi-objective harmony search algorithm (mohsa) is proposed in this paper to solve the load frequency control (lfc) problem of power systems in deregulated environment. lfc problem are caused by load perturbations, which continuously disturb the normal operation of power system. the objectives of lfc are to mini small size the transient deviati...

Journal: :journal of computer and robotics 0
samaneh assar faculty of computer and information technology engineering, qazvin branch, islamic azad university, qazvin, iran behrooz masoumi faculty of computer and information technology engineering, qazvin branch, islamic azad university, qazvin, iran

multi agent markov decision processes (mmdps), as the generalization of markov decision processes to the multi agent case, have long been used for modeling multi agent system and are used as a suitable framework for multi agent reinforcement learning. in this paper, a generalized learning automata based algorithm for finding optimal policies in mmdp is proposed. in the proposed algorithm, mmdp ...

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