Question
(Linear Optimization) Youaretheoperator ofthreepowerplants.Youneedtodeterminetheoptimalamount oftimetokeep each power plant running in order to meet the energy demand while minimizing your operational cost. Eachplanthasanhourlycostofoperation ! =6,
(Linear Optimization)
Youaretheoperator ofthreepowerplants.Youneedtodeterminetheoptimalamount oftimetokeep each power plant running in order to meet the energy demand while minimizing your operational cost. Eachplanthasanhourlycostofoperation!=6,"=15,#=2andeachonecansupply!=
10,"=20,#= 3unitsofenergyeachhour.Thereisatotaldemandof= 400unitsofenergyforthenext day. Todeterminetheoptimaloperationtimeforeachpowerplant, youdecidedtosetupandsolve alinear optimization problem. The decision variables are!,",#. These decision variables describe the amount of time each power plant needs to be operational. Due tolocalregulationsonnoisepollution,thetotalnumberofhourspowerplants1and2canoperate together in total is at most 24 hours.
Duetoefficiencyconcerns, eachpowerplantcanrunatmost20hoursa day.
In this question, you need to formulate thelinearoptimizationproblem.Foreachoftheconstraints,specify ifitshouldbeaninequality (or ) or equality (=).
- Write theobjectivefunction intermsofthedecision variables.
- Write the3constraintslimitingthenumberofhourseachpowerplant can be operational.
- Write alinear(constraint)toensurethatthedemand forenergyisfulfilledby your plant (the demand constraint).
- Write alinear(constraint)toensurepowerplants1and2mustoperateat most a total of 24 hours (the noise constraint).
- Doweneednon-negativityconstraints?Ifso,please writetheseaswell.
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