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All Journal Jurnal Teknik Industri Jurnal Rekayasa dan Manajemen Sistem Industri Rekayasa Mesin INTEKNA

Murti Astuti

Jurusan Teknik Mesin Fakultas Teknik Universitas Brawijaya

Author-ID : 236018

Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Other

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PENYUSUNAN JADWAL INDUK INDUSTRI DENGAN MENGGUNAKAN METODE SIMPLEKS GUNA MEMINIMALKAN BIAYA PRODUKSI Astuti, Murti; Yuliana, Ifa
Jurnal Teknik Industri Vol 2, No 2 (2001)
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

PT. Industri Sandang Nusantara Pata! Secang Magelang is some factory that regarding in manufactur sector which thread producting. For this time the factory have a problem with stacking same kind of product and in the other way less another product. This case cause that factory use product scheduling based on experience and reckoned of selling in last period. Connected with this problem, the case is how to make a good schedule in order that factory could be completing consumer demand and decided some main product schedule with simpleks methode.The articulate in factory for this time is reguler employee 65 persons. If reguler employee is not enaugh, then there are overtime job (maximal 2 hour/days), and if still not enaugh too, then used subcontract. Based on capacity of production, the number of maximal employee are 70 personsAccording to teoritis, with using of forecasting and agregat planning, the factory's problem can be done. This forecasting used to productin supossing in about to many periods. With use simpleks methode can be planning the number of employee. In order that, the main production can be made.Analyst result get that demand fluktuation for R 30/1, PR 30/1 products use Moving Average Linear Trend (3) methode, R 24/ 1, R I 11, PR 40/l products using Moving Average Linear Trend (5) methode, PR 45/l product using Linear Regression methode. Value analyst with based on forecasting result for future 12 periods, supposed that factory will pay for Rp. 460.340.000,? After applying Linear Programming giftotal cost Rp. 450.164.576,-. Thrifting Rp. 10.175.424,- or 2,2%. Sensitivity analyst made cost to be Rp. 448.651.040,-, thrifting Rp. 11.688.960,- or 2,5% at the number of regular employees 66 persons.

Pengoptimalan Tingkat Persediaan Bahan Baku Fire Tube Boiler dengan analisis Markov Chain Astuti, Murti; Latifah, Nuril
Jurnal Teknik Industri Vol 3, No 1 (2002)
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Controlling material stock becomes important problem that faced by the company because controlling it supports production process continually. In applaying material is efforted in order getting cost of supplier more law as possible. PT. Indomarine is one kind of company that produces tube involving two type are fire tube and water tube, in which the primary material is tube and plat. In dealing the consumen needs, the company should give amount materials so that the production will be continually, and the consumer will satisfy. Having more suplies like that is caused by accepting fluctually needs, than causes less supplier optimumly and less in cost too. Based on fenomenon above, so in this research will mucstigate the methods that will be counted the number of material asking.

PENENTUAN JUMLAH TENAGA KERJA DENGAN MENGGUNAKAN SIMULASI ANTRIAN DI DEPARTEMEN PRODUKSI DI PT. SURYA TUBAL INDONESIA Astuti, Murti; Mas'udin, Ilyas
Jurnal Teknik Industri Vol 3, No 2 (2002)
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

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.

Co-Authors Arif Rahman Galuh Ratna Dewi Harvian Adhi Nugraha Hary Sudjono Latifah, Nuril Mas'udin, Ilyas Moch. Choiri Nanse Henny Pattiasina Oke Oktavianty Rahmi Yuniarti Rudy Soenoko Sudjito Soeparman Surachman Surachman Susi Novi Andari Utoyo Utoyo Yassyir Maulana Yudy Surya Irawan Yuliana, Ifa

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