نتایج جستجو برای: Flexible manufacturing systems

تعداد نتایج: 1340818  

2008
Satheesh Kumar

Flexible manufacturing Systems are automated manufacturing systems which have job shop flexibility and flow shop efficiency. One of the major concerns in Flexible Manufacturing System (FMS) is the minimization of the total flow of material through the system. Facility layout design deals with the arrangement of machines, in order to minimise the total flow of parts in the system. The commonly u...

1998
K. S. Barber T. H. Liu A. Goel S. Ramaswamy

Planning and control systems for highly dynamic and uncertain manufacturing environments require adaptive flexibility and decision-making capabilities. Modern distributed manufacturing systems assess the utility of planning and executing solutions for both system goals (e.g. minimize manufacturing production time for all parts or minimize WIP), and local goals (expedite part A production schedu...

2016
Mohammad Saidi-Mehrabad Hamed Fazlollahtabar

We compare two approaches for a Markovian model in flexible manufacturing systems (FMSs) using Monte Carlo simulation. The model, which is a development of Fazlollahtabar and Saidi-Mehrabad (2013), considers two features of automated flexible manufacturing systems equipped with automated guided vehicle (AGV), namely, the reliability of machines and the reliability of AGVs in a multiple AGV jobs...

2009
I. Mahdavi A. Jazayeri M. Jahromi R. Jafari H. Iranmanesh

One of the most important problems in production planning of flexible manufacturing system (FMS) is machine tool selection and operation allocation problem that directly influences the production costs and times .In this paper minimizing machining cost, set-up cost and material handling cost as a multi-objective problem in flexible manufacturing systems environment are considered. We present a ...

Journal: :IJMTM 2006
Paul Verstraete Paul Valckenaers Bart Saint Germain Hendrik Van Brussel K. Hedeli

Today, industry is confronted with a fast changing market. Customers demand a high-quality, low price and tailored product. This requires flexible manufacturing systems. At K.U. Leuven, a Manufacturing Execution System (MES) is designed, that allows to adjust execution to quickly changing circumstances. This paper discusses how this MES can cooperate with existing planning systems. A collaborat...

2004
Jerzy W. Rozenblit

In this paper, requirements for design of high autonomy manufacturing systems are stipulated. Effods towards amalgamating the autonomous architecture and its real world component (i.e., a flexible manufacturing system) are presented. Planning and control principles derived from discrete event modeling techniques are summarized.

1999
Paulo J. Leitão Rui Rocha

This paper is focused on CNC machines integration in the manufacturing cell. It describes the main auxiliary systems available in each machine, and the connection of CNC machines to a network via MAP/MMS cards, to establish the communication channel between these machines and the flexible cell manufacturing controller.

1987
N. Viswanadham Y. Narahari

In this paper, we propose an approach, using Coloured Petri Nets (CPN) for modelling flexible manufacturing systems. We illustrate our methodology for a Flexibte Manufacturing Cell (FMC) with three machines and three robots. We also consider the analysis of t h e FMC for deadlocks using the invariant analysis of CPNs.

2008
Shuang Cang Hongnian Yu

This paper reviews the research work on Petri nets representations and the AI based search approaches. It coves the following contents: 1) Petri nets (PN) and PN modeling of manufacturing systems; 2) Scheduling using PN and AI search and PN based scheduling of flexible manufacturing systems using hybrid heuristic search; 3) PN based planning; 4) Closed-loop control using PN; 5) Rule-based PN an...

2011
Boleslaw Fabisiak

Monitoring of machines, machine tools and robots in local manufacturing systems, especially the monitoring of communication between machines, robots work centers and other networked devices in computer integrated manufacturing is an important part of security assurance in a global manufacturing environment. The presented monitoring methods use 2D bar code technology including QR codes and Datam...

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