USULAN METODE PENJADWALAN JOB SHOP DI PT X MENGGUNAKAN ALGORITMA MATRIX HEURISTIC DENGAN MENGAKOMODASI PENJADWALAN ULANG
PT X is a company that produces specialized machines for the automotive industry using a Make-To-Order (MTO) production system. Based on primary data obtained from the company's ERP, it was found that 37.68% of operations experienced delays. Using a fishbone diagram, the researcher determine...
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Format: | Final Project |
Language: | Indonesia |
Online Access: | https://digilib.itb.ac.id/gdl/view/84138 |
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Institution: | Institut Teknologi Bandung |
Language: | Indonesia |
Summary: | PT X is a company that produces specialized machines for the automotive industry
using a Make-To-Order (MTO) production system. Based on primary data obtained
from the company's ERP, it was found that 37.68% of operations experienced
delays. Using a fishbone diagram, the researcher determined that the focus of the
problem to be solved from this research was the absence of a scheduling system
that covers the assembly process and meets rescheduling needs. The job shop
scheduling case in PT X is an NP-hard problem that needs to be solved using a
heuristic algorithm. In this research, researchers will use a heuristic algorithm to
develop a proposed scheduling method that includes the assembly stage and
rescheduling requirements.
After considering several alternative heuristic algorithms for the job shop case, this
research proposes using the matrix heuristic algorithm as the method used for
scheduling at PT X. This algorithm can be used for job shop scheduling and can
process large amounts of data. Although this algorithm does not yet cover the
assembly stage and meets rescheduling needs, it is flexible and can be developed to
meet both the assembly and rescheduling stage needs. Researchers also propose
using relative remaining processing time (RRP) as a priority dispatching rule and
the earliest due date (EDD) as a tie-breaking rule for the matrix heuristic algorithm.
Based on the results, the developed algorithm can produce a better solution for
scheduling the production process of 5 products with a makespan reduction of
1292,2 hours or 12,37%. The reduction in makespan occurs because the RRP rule
is used as a priority dispatching rule considering pacing and structural dependence
factors. Apart from that, this algorithm can also accommodate rescheduling needs.
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