and linear programming technique to attain the solution.
Examples of these papers will be briefly discussed here.
A simultaneous consideration of machine and worker
based on the worker skill through a multi-objective
mathematical model was proposed in 1993 [3]. The
optimal manpower assignment in manufacturing cells was
attempted using mixed integer programming and then
integer programming in 1996 [4]. It is a two-step
hierarchical method. Likewise, the integer programming
model was applied to assign workers to the manufacturing
cells and later another integer programming model was
utilized to schedule appropriate training program for these
workers in 1997 [5]. Similarly, another mixed integer
programming model was presented to verify that a
manufacturing cell was improved when worker skill is
taken into account for worker assignment and training
purpose in 2002 [6]. Another application of mixed
integer programming was used to assign workers to the
cell with an aim to minimize total intra-cell workforce
transfers in 2005 [7]. A goal programming model was
also implemented to design a cell and then assign workers
to these cells [8]. Again, an integer programming model
was designed to select workers for cross-training in the
cell [9]. A simulation model was also used to analyze
factors influencing the flexibility of cellular
manufacturing system [10]. It was found that cross trained
operators play an important role in the flexibility of the
cell. The similar result was obtained by another research
paper using decision rules together with simulation model
[11]. A Markov decision process was used to analyze the
performance of the manufacturing cells and revealed that
capacity balance and variability buffering can improve
performance of the cells [12]. Utilizing workload balance
as the main factor for assigning workers in the cell was
another application by the simulation model [13].
In terms of quantitative approach, there is an attempt
to decide the most efficient number of workers and
measurement method in the manufacturing cell. This
accomplished by data envelopment analysis in decision
model [14]. Recently, there is attempt to apply artificial
intelligent in the worker assignment problem. An
approach based on artificial neural network was proposed
[15].
It can be seen that most worker assignment problems
were accomplished using a mathematical model and a
simulation technique. Only a few apply artificial
intelligence together with heuristic rules. In this paper, a
quantitative approach is presented. Then a simulation
A Worker Assignment for Machine Cluster in the Manufacturing Cell
Suksan Prombanpong, Waraporn Seenpipat
Institute for Scientific and Technological Research and Services,
Department of Industrial Engineering, King Mongkut’s University of Technology Thonburi, Bangkok, Thailand
(suksan.pro@gmail.com)
978-1-
and linear programming technique to attain the solution.Examples of these papers will be briefly discussed here.A simultaneous consideration of machine and workerbased on the worker skill through a multi-objectivemathematical model was proposed in 1993 [3]. Theoptimal manpower assignment in manufacturing cells wasattempted using mixed integer programming and theninteger programming in 1996 [4]. It is a two-stephierarchical method. Likewise, the integer programmingmodel was applied to assign workers to the manufacturingcells and later another integer programming model wasutilized to schedule appropriate training program for theseworkers in 1997 [5]. Similarly, another mixed integerprogramming model was presented to verify that amanufacturing cell was improved when worker skill istaken into account for worker assignment and trainingpurpose in 2002 [6]. Another application of mixedinteger programming was used to assign workers to thecell with an aim to minimize total intra-cell workforcetransfers in 2005 [7]. A goal programming model wasalso implemented to design a cell and then assign workersto these cells [8]. Again, an integer programming modelwas designed to select workers for cross-training in thecell [9]. A simulation model was also used to analyzefactors influencing the flexibility of cellularmanufacturing system [10]. It was found that cross trainedoperators play an important role in the flexibility of thecell. The similar result was obtained by another researchpaper using decision rules together with simulation model[11]. A Markov decision process was used to analyze theperformance of the manufacturing cells and revealed thatcapacity balance and variability buffering can improveperformance of the cells [12]. Utilizing workload balanceas the main factor for assigning workers in the cell wasanother application by the simulation model [13].In terms of quantitative approach, there is an attemptto decide the most efficient number of workers andmeasurement method in the manufacturing cell. Thisaccomplished by data envelopment analysis in decisionmodel [14]. Recently, there is attempt to apply artificialintelligent in the worker assignment problem. Anapproach based on artificial neural network was proposed[15].It can be seen that most worker assignment problemswere accomplished using a mathematical model and asimulation technique. Only a few apply artificialintelligence together with heuristic rules. In this paper, aquantitative approach is presented. Then a simulationA Worker Assignment for Machine Cluster in the Manufacturing CellSuksan Prombanpong, Waraporn SeenpipatInstitute for Scientific and Technological Research and Services,Department of Industrial Engineering, King Mongkut’s University of Technology Thonburi, Bangkok, Thailand(suksan.pro@gmail.com)978-1-
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