Title of article :
Combined planningandschedulinginadivergentproductionsystem
with co-production:Acasestudyinthelumberindustry
Author/Authors :
Jonathan Gaudreault ، نويسنده , , Jean-MarcFrayret ، نويسنده , , AlainRousseau ، نويسنده , , SophieD’Amours ، نويسنده ,
Issue Information :
ماهنامه با شماره پیاپی سال 2011
Abstract :
Many researchinitiativescarriedoutinproductionmanagementconsiderprocessplanningand
operationsschedulingastwoseparateandsequentialfunctions.However,incertaincontexts,thetwo
functionsmustbebetterintegrated.Thisisthecaseindivergentproductionsystemswithco-production
(i.e. productionofdifferentproductsatthesametimefromasingleproductinput)whenalternative
productionprocessesareavailable.Thispaperstudiessuchacontextandfocusesonthecaseofdryingand
finishingoperationsinasoftwoodlumberfacility.Thesituationisaddressedusingasinglemodelthat
simultaneouslyperformsprocessplanningandscheduling.Weevaluatetwoalternativeformulations.
The firstoneisbasedonmixedintegerprogramming(MIP)andthesecondonconstraintprogramming
(CP). WealsoproposeasearchproceduretoimprovetheperformanceoftheCPapproach.Both
approachesarecomparedwithrespecttotheircapacitytogenerategoodsolutionsinshort
computationtime.
Keywords :
Integrated planning and scheduling , Mathematical programming , Constraint programming , Wood drying and finishing , Anytime algorithm , Lumber industry
Journal title :
Computers and Operations Research
Journal title :
Computers and Operations Research
