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Ilyas Mas'udin
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Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Industrial & Manufacturing Engineering

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Penentuan Jumlah Tenaga Kerja dengan Menggunakan Simulasi Antrian di Departemen Produksi di PT. Surya Tubal Indonesia Murti Astuti; Ilyas Mas'udin
Jurnal Teknik Industri Vol. 3 No. 2 (2002)
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/JTIUMM.Vol3.No2.115-120

Abstract

In its productionp rocessa, companyis consistedo f variousd epartmentssu pponingo neanother in a good teamwork to build a single unity. Therefore inefiiciency in one of thosedepartmentsw ill affect other departmentsth at in turn will have impact on production outcome.One of thosed epartmentiss producliond epartmentth at is one of the most imponants ectionswhichp laysi mportanrt olei n productions moothness.One of problemsd isturbingt he smoothnesosf flow processin this departmenits theproblemo f long productl ining markedb y considerablwea itingt ime.T his is certainlyi neffectivesince it will not only disturb the production process flow but also decrease the product qualitycausedb y too muchw aitingt ime in the line. Thereforew, e havet o makea n efforti n reducingth eline sizew hile still considert he costj ust in casea n improvemenits made.T o overcometh ismatter,o new ay we couldt akei s utilizinga line simulationb y optimizings ervicefa cilitiesn umber(numbero f laborf orce)w ith minimumc osta ndp roductw aitingt ime.
Perencanaan Perawatan Mesin dengan Metode Markov Chain Guna Menurunkan Biaya Perawatan M. Eartono; Ilyas Mas'udin
Jurnal Teknik Industri Vol. 3 No. 2 (2002)
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/JTIUMM.Vol3.No2.173-184

Abstract

Problem often faced by a fertilizer bagging machine unit is the inegularity of machinemaintenance in which the machine is operated continuously until it damages and can not beoperated any longer. It will result in relatively high down time cost.To solvet his problem we propose a machine maintenance planing based upon data acquired by using Markov Chain Method.There are four types of maintenance we propose they are:l. Maintenance planing with corrective maintenance or high level of damage condition and preventive maintenance or mediurn le vel ofdamage condition.2. Maintenancep laningw ith correctivem aintenancfeo r high and medium level of damageconditiona ndp reventivem aintenancfeo r low levelo fdamagec ondition.3. Maintenance planing with corrective maintenance or high level of damage condition andpreventive maintenance or medium and low level of damage condition4. Maintenance planing with corrective maintenance or high and medium level of damage condition.To determine the best proposal that will be selected we use analysis of preventive maintenance cost and corrective maintenance cost that will result in expected cost for eachmachine.From the four proposals one with the least expected cost is chosen that is planing with corrective maintenance for high level of damage condition and preventive maintenance formedium and low level ofdamage condition.
Perancangan Meja Kerja Penempatan Rapat dengan Metode Optimasi Utilitas Luas Permukaan Ilyas Mas'udin
Jurnal Teknik Industri Vol. 1 No. 1 (2000)
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/JTIUMM.Vol1.No1.40-49

Abstract

Placing same different I various dimension (length and width ) problem  on work station to process at a machine is a similar problem with "pallet  loading"  .A had placing method cause low utility of table are or low prosentage  of used table area.  If every process had fixed cost, so it causer hight production  cost per unit.That's why we need a good part placing  method to optimaize table usa.  This research  had optimaized wark table  method with  different parts of sizes using dynamic programes   upproching. The model made only considering length and width demansion of each part .
Perencanaan Pembebanan Kerja Untuk Memenuhi Kebutuhan Konsumen Dengan Metode VAM Ilyas Mas'udin
Jurnal Teknik Industri Vol. 1 No. 2 (2000)
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/JTIUMM.Vol1.No2.102-111

Abstract

In trade competition for this time, then each factories must be try to completing consumer demand on precise time and quantity. One thing which influence is fluent of production. In order that production able to work smoothly, so it is necessary to conducting work resposibility to perform work operations in production process. There is exact work responsibility could be optimalizing collar worker productivity. Then, this thing have side effect to production cost. One way to create this situation is with using VAM (Vogel' Approximation menthod). On VAM, this case will be finished equivalen with transportation problem that production capacity and demand said on same squad, same total capacity and same demand. If some time this situation is not completed, then the system must be balanced out first with make capacity or demand Dummy.
Aplikasi Metode Value Engineering dalam Penentuan Alternatif Fasilitas Rumah di Perumahan Ilyas Mas'udin
Jurnal Teknik Industri Vol. 2 No. 1 (2001)
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/JTIUMM.Vol2.No1.65-74

Abstract

Every Real Estate Developer want the houser built wanted by customers. There is a dicrease in sale of houses that be saled by Tegalgondo Asri developer caused customer's unsatisfaction in fasilities or import of sevise value given by developer to customers who lived there. One of alternative to rise design value vasilities is making a new fasility design better than the old one.
Peningkatan Pelayanan di Poli Kebidanan dan Kandungan RSUD Saiful Anwar dengan Menggunakan Simulasi Antrian Ilyas Mas'udin
Jurnal Teknik Industri Vol. 3 No. 1 (2002)
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/JTIUMM.Vol3.No1.85-92

Abstract

This research have aim to reduce waiting time of patient in pregnant division at RSUD Saiful Anwar Malang. First step, collecting the time between arrival data and service time data at each division. These data were tested using Kolmogorov-Smirnov to find a kind of distribution and the parameter of the data. Them making service system design based on the initial condition using ARENA and run to find the mean of waiting time from the beginning design, using trial and error then tried some new altematives design to minimize waiting time.
Lean Production: A Way To Reduce The Internal Inventory And Cycle Time Ilyas Mas'udin
Jurnal Teknik Industri Vol. 8 No. 2 (2007): Agustus
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/JTIUMM.Vol8.No2.99-107

Abstract

The progressive competition among industries and the increase of customer expectation will lead the progressive efforts in reducing the cost of production and logistic activities in the future. The companies (mass production, job shop and service industries) are forced to tighten their production process effectively by cutting the unnecessary activities in logistic flow, delete dummy and redundant elements, specializing the core business, and eliminate the wastes to simple and make their production process is more competitive. The lean concept could be the alternative way to reduce the main wastes: inventories and production cycle time. Eventhough it is very expensive to implement the lean production in the shop floor production, but the waste elimination and continuous improvement as the main key of the lean thinking has promised a significant improvement and profit for companies which implement the concept. The tools that could be used as methods to make the production process leaner such as just in time with kanban card system, kitting principle, collaborative scheduling and production plan, group technology, cell manufacture design and line balancing are well implemented in the worldwide. The efforts in leaning production will continue due to the lean thinking basically try to make the system better and believe that there is no best system but there is always better system. 
Penerapan Fuzzy Analytichal Hierarchy Process untuk Pemilihan Alternatif Solusi Pengurangan Bullwhip Effect Ilyas Mas'udin
Jurnal Teknik Industri Vol. 9 No. 2 (2008): Agustus
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/JTIUMM.Vol9.No2.183-190

Abstract

Weaken information and coordination stream between company and enchain its generate information distortion which one of them in the form of ever greater request amplification channel upstream compared to named channel downstream with phenomenon of bullwhip in this research will be conducted development of solution alternative to lessen effect bullwhip by applying method of Fuzzy Analytical Hierarchy Process, where later will be obtained and weight of ranking priority and also get chosen solution alternative to lessen the happening of effect bullwhip. Target of which wish to be reached from this research to determine criterion weight and solution alternative reduction of effect bullwhip and also chosen solution alternative to get lessen effect bullwhip [at] company chain supply. Result which is obtained from measurement of Bullwhip Effect at Supply Chain in CV. Welirang Tirta Mandiri is UD Putra Sejati equal to 1.26, UD Semeru equal to 2.09, Sumber Rezeki shop equal to 1.81, Pacific Shop equal to 2.57, UD. Prima equal to 1.26 while at manufacture echelon equal to 1.56 and retailer echelon 1.26. Chosen alternative to lessen effect bullwhip is to conduct monitoring to inventory level exist in channel downstream (Retailer).
Co-Authors M. Eartono Murti Astuti