Risk analysis of machine maintenance using Markov chains

Maintenance and risk management are important issues in any manufacturing company. In order to keep equipment running efficiently and reduce maintenance cost for better profit margin, manufacturing plants have always been seeking a effective way to replace Corrective Maintenances (CM) that occur aft...

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Bibliographic Details
Main Author: Gulati, Yuvraj Singh.
Other Authors: Wang Dan Wei
Format: Final Year Project (FYP)
Language:English
Published: 2013
Subjects:
Online Access:http://hdl.handle.net/10356/54605
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author Gulati, Yuvraj Singh.
author2 Wang Dan Wei
author_facet Wang Dan Wei
Gulati, Yuvraj Singh.
author_sort Gulati, Yuvraj Singh.
collection NTU
description Maintenance and risk management are important issues in any manufacturing company. In order to keep equipment running efficiently and reduce maintenance cost for better profit margin, manufacturing plants have always been seeking a effective way to replace Corrective Maintenances (CM) that occur after unscheduled downtimes with more cost-effective Predictive Maintenance (PdM). Most often, sensors are used at crucial parts of a machine to gather data. Therefore, the effectiveness of predictive maintenance is enhanced by using historical measured event data that exists in most manufacturing equipment log database. This report, utilizing a log database from a semiconductor company plant as a study example, investigates a Recipe Based Approach (PBA) for failure risk analysis. For this approach, three different analyzing methods are used to perform a risk analysis of the system; these are – Statistical Regression Analysis, Back-Propagation Neural Network Analysis and Markov Chain analysis. The significance of this project is to create a platform to perform risk profiling of a system. Another feature of the program is its ease of use to update and understand data. The main program is designed using Visual Basic for Applications and neural network algorithm is implemented using MatLabScripts.
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spelling ntu-10356/546052023-07-07T15:58:06Z Risk analysis of machine maintenance using Markov chains Gulati, Yuvraj Singh. Wang Dan Wei School of Electrical and Electronic Engineering DRNTU::Engineering::Electrical and electronic engineering Maintenance and risk management are important issues in any manufacturing company. In order to keep equipment running efficiently and reduce maintenance cost for better profit margin, manufacturing plants have always been seeking a effective way to replace Corrective Maintenances (CM) that occur after unscheduled downtimes with more cost-effective Predictive Maintenance (PdM). Most often, sensors are used at crucial parts of a machine to gather data. Therefore, the effectiveness of predictive maintenance is enhanced by using historical measured event data that exists in most manufacturing equipment log database. This report, utilizing a log database from a semiconductor company plant as a study example, investigates a Recipe Based Approach (PBA) for failure risk analysis. For this approach, three different analyzing methods are used to perform a risk analysis of the system; these are – Statistical Regression Analysis, Back-Propagation Neural Network Analysis and Markov Chain analysis. The significance of this project is to create a platform to perform risk profiling of a system. Another feature of the program is its ease of use to update and understand data. The main program is designed using Visual Basic for Applications and neural network algorithm is implemented using MatLabScripts. Bachelor of Engineering 2013-06-28T04:28:05Z 2013-06-28T04:28:05Z 2013 2013 Final Year Project (FYP) http://hdl.handle.net/10356/54605 en Nanyang Technological University 52 p. application/pdf
spellingShingle DRNTU::Engineering::Electrical and electronic engineering
Gulati, Yuvraj Singh.
Risk analysis of machine maintenance using Markov chains
title Risk analysis of machine maintenance using Markov chains
title_full Risk analysis of machine maintenance using Markov chains
title_fullStr Risk analysis of machine maintenance using Markov chains
title_full_unstemmed Risk analysis of machine maintenance using Markov chains
title_short Risk analysis of machine maintenance using Markov chains
title_sort risk analysis of machine maintenance using markov chains
topic DRNTU::Engineering::Electrical and electronic engineering
url http://hdl.handle.net/10356/54605
work_keys_str_mv AT gulatiyuvrajsingh riskanalysisofmachinemaintenanceusingmarkovchains