Open AccessPenyusunan Jadwal Induk Industri dengan Menggunakan Metode Simpleks Guna Meminimalkan Biaya Produksi
Author(s) -
Murti Astuti,
Ifa Yuliana
Publication year - 2010
Publication title -
jurnal teknik industri
Language(s) - English
Resource type - Journals
eISSN - 2527-4112
pISSN - 1978-1431
DOI - 10.22219/jtiumm.vol2.no2.86-95
Subject(s) - schedule , factory (object oriented programming) , product (mathematics) , operations management , overtime , computer science , linear programming , operations research , mathematics , agricultural science , business , engineering , economics , algorithm , environmental science , operating system , labour economics , geometry , programming language
PT. IndustriS andanNg usantaraP atalS ecangM agelangis somef actoryt hat regardinginmanufactur sector which thread producting. For this time the factory have a problem with stackingsamek ind of producta ndi n the otherw ay lessa notherp roduct.T his casec auseth at factoryu seproducts chedulinbga sedo n experiencaen dr eckonedo fselling in lastp eriod.c onnectedw ith thisproblem,t he casei s how to make a good schedulein order that factory could be completingconsumedr emanda ndd ecideds omem ainp roducts chedulwe ith simpleksm ethode.The articulatein factoryf or thist ime is regulere mployee6 5 personsI.f regulere mployeeis not enaugh, then there are overtime job (maximal 2 hour/days), and if still not enaugh too, thenuseds ubcontractB. asedo n capacityo f production,t he numbero f maximale mployeea re 70persons.According to tmritis, with using of forecasting and agregat planning, the factory,sproblemc anb e done.T hisf orecastinugs edt o productins upossinign aboutt o manyp eriodsW. ithuses impleksm ethodec anb e planningth e numbero femployeeI.n ordert hat,t he mainp roductioncan be made.Analyst result get that demand fluktuation for R 30/1, pR 30/1 products use MovingAverageL inearT rend( 3) methodeR, 24l1,R l/1, PR 40/lproductsu singM oving AverageL inearTrend( 5) methodeP, R 45/l productu singL inearR egressiomn ethodeV. aluea nalystw ith basedon forecastingre sultf or future 12 periods,s upposedth al factoryw ill pay for Rp. 460.340.000,-.AfterapplyingLinearProgramminggifrotalcostRp.450.t64.5T6,-.Thri1ft0in.1g7R5p.4. 24o,-r2,2%.S ensitivitya nalystm adec ostt o be Rp. 448.651.040,t-b, riftingR p. I L688.960,o- r 2,5%a tthe numbero fregulare mployee6s6 persons.