我刚刚开始使用Pyomo,并且遇到很大问题。 我想在不使用终端的情况下运行抽象模型。我可以用一个具体的模型来完成,但是我有严重的问题需要用抽象的模型来完成。在抽象的模型中转换具体模型
我只想使用F5并运行代码。
这ismy程序:
import pyomo
from pyomo.environ import *
#
# Model
#
model = AbstractModel()
#Set: Indices
model.Unit = Set()
model.Block = Set()
model.DemBlock = Set()
#Parameters
model.EnergyBid = Param(model.Unit, model.Block)
model.PriceBid = Param(model.Unit, model.Block)
model.EnergyDem = Param(model.DemBlock)
model.PriceDem = Param(model.DemBlock)
model.Pmin = Param(model.Unit)
model.Pmax = Param(model.Unit)
#Variables definition
model.PD = Var(model.DemBlock, within=NonNegativeReals)
model.PG = Var(model.Unit,model.Block, within=NonNegativeReals)
#Binary variable
model.U = Var(model.Unit, within = Binary)
#Objective
def SocialWellfare(model):
SocialWellfare = sum([model.PriceDem[i]*model.PD[i] for i in model.DemBlock]) - sum([model.PriceBid[j,k]*model.PG[j,k] for j in model.Unit for k in model.Block ])
return SocialWellfare
model.SocialWellfare = Objective(rule=SocialWellfare, sense=maximize)
#Constraints
#Max and min Power generated
def PDmax_constraint(model,p):
return ((model.PD[p] - model.EnergyDem[p])) <= 0
model.PDmax = Constraint(model.DemBlock, rule=PDmax_constraint)
def PGmax_constraint(model,n,m):
return ((model.PG[n,m] - model.EnergyBid[n,m])) <= 0
model.PGmax = Constraint(model.Unit, model.Block,rule = PGmax_constraint)
def Power_constraintDW(model,i):
return ((sum(model.PG[i,k] for k in model.Block))-(model.Pmin[i] * model.U[i])) >= 0
model.LimDemandDw = Constraint(model.Unit, rule=Power_constraintDW)
def Power_constraintUP(model,i):
return ((sum(model.PG[i,k] for k in model.Block) - (model.Pmax[i])*model.U[i])) <= 0
model.LimDemandaUp = Constraint(model.Unit, rule=Power_constraintUP)
def PowerBalance_constraint(model):
return (sum(model.PD[i] for i in model.DemBlock) - sum(model.PG[j,k] for j in model.Unit for k in model.Block)) == 0
model.PowBalance = Constraint(rule = PowerBalance_constraint)
model.pprint()
instance = model.create('datos_transporte.dat')
## Create the ipopt solver plugin using the ASL interface
solver = 'ipopt'
solver_io = 'nl'
opt = SolverFactory(solver,solver_io=solver_io)
results = opt.solve(instance)
results.write()
与最后一部分任何帮助?
无论如何感谢,
乍一看,您的模型在语法上看起来很好。对于当前的Pyomo版本有一些修正(你不需要'import pyomo'行,并且在当前的Pyomo版本中,我们推荐使用'model.create_instance('datos_transporte)创建实例。dat')'),但我用当前的Pyomo运行了你的模型,并没有得到任何错误(除了没有你的.dat文件)。你碰到什么特定的错误/问题?你用什么版本的Pyomo?你使用什么数据文件? – jsiirola