def CalculateHDV(HDVID, Component, Speed, Grad, Load):
"""
Calculation of emissions from heavy duty vehicles
UNITS:
Speed km/h
Gradient 6 is 6%
Emission calculated is g/km
CO2 calculated from Fuel consumption
No maximum speed is given for each equation.
"""
Gradient=0.0
WarningText = []
if Grad <= -6 :
Gradient = -6
WarningText.append("Used maximum gradient -6%")
elif Grad > -6 and Grad <= -4:
Gradient = -4
WarningText.append("Used standard gradient -4%")
elif Grad > -4 and Grad <= -2 :
Gradient = -2
WarningText.append("Used standard gradient -2%")
elif Grad > -2 and Grad < 2 :
Gradient = 0
WarningText.append("Used standard gradient 0%")
elif Grad >= 12:
Grad = 12
WarningText.append("Maximum grade 12 % is selected")
#This limits us from using unrealistic grades
CalculateCO2fromFC = False
if Component == "CO2":
Component = "FC"
CalculateCO2fromFC = True
CalculateEnergy = False
if Component == "E":
Component = "FC"
CalculateEnergy = True
if Component == "HC":
Component = "THC"
if Grad <0:
key = str(HDVID) + "_" + Component + "_" + str(int(Gradient)) + "_" + str(int(Load))
data = S.H_HDV[key]
ans=[]
ans=extractAndCalc(data,Speed)
Emission = ans[0]
WarningText.append(ans[1])
else:
X=[]
Y=[]
key = str(HDVID) + "_" + Component + "_" + str(int(0)) + "_" + str(int(Load))
data0 = S.H_HDV[key]
X.append(0)
Y.append(extractAndCalc(data0,Speed)[0])
key = str(HDVID) + "_" + Component + "_" + str(int(2)) + "_" + str(int(Load))
data2 = S.H_HDV[key]
X.append(2)
Y.append(extractAndCalc(data2,Speed)[0])
key = str(HDVID) + "_" + Component + "_" + str(int(4)) + "_" + str(int(Load))
data4 = S.H_HDV[key]
X.append(4)
Y.append(extractAndCalc(data4,Speed)[0])
key = str(HDVID) + "_" + Component + "_" + str(int(6)) + "_" + str(int(Load))
data6 = S.H_HDV[key]
X.append(6)
Y.append(extractAndCalc(data6,Speed)[0])
a,b,rr=S.linreg(X,Y)
#print X
#print Y
#print a,b,rr
Emission = a*Grad + b
if CalculateCO2fromFC:
Emission = Emission * 3.17 # http://www.klif.no/Tema/Klima-og-ozon/Klimagasser/--MENY/Sporsmal-og-svar/
WarningText.append("CO2 emissions calculated from fuel consumption")
if CalculateEnergy:
Emission = Emission * (S.EDensity_Diesel/1000.0)
WarningText.append("Energy calculated from fuel consumption")
if (len(WarningText) == 0):
WarningText.append("No Warnings")
return Emission, "g/km", WarningText
def CreateShip():
S.load_Ship()
create_vehicle_list()
def CreateHDV(): S.load_HDV() create_vehicle_list()
def CreatePC():
S.load_PC()
S.load_PCGradient()
create_vehicle_list()
def CalculatePC(PCID, Component, Speed, Gradient, Engine, TrafficSituation):
"""
Calculation of emissions from private cars
UNITS:
Speed km/h
Gradient 0.06 is 6%
Emission calculated is g/km
Fuel is calculated from CO2 emissions by factors from SFT, Norway
Maximum speed is 125 km/h
Engine size:
PETROL
small < 1.4 liters
medium 1.4 -> 2.0 liters
large >2.0 liters
DIESEL
medium <2.0 liters
large >2.0 liters
"""
WarningText = []
CalculateFCfromCO2 = False
#Finds the correct gradient
Gradient = findGrade(Gradient, TrafficSituation)
if Component == "FC":
Component = "CO2"
CalculateFCfromCO2 = True
if not (Component == "C02" or Component == "FC"):
Engine = 'all'
if Speed >= 6:
#Get Data from the PC dictionary
key = str(PCID) + "_" + Component + "_" + Engine
value = S.H_PC[key]
data = value
VehicleID = data[0]
EmissionComponent = data[1]
FuelType = data[2]
EngineSize = data[3]
EuroClass = data[4]
EquationType = data[5]
Order = data[6]
a0 = float(data[7])
a1 = float(data[8])
a2 = float(data[9])
a3 = float(data[10])
a4 = float(data[11])
a5 = float(data[12])
Emission = -1
if EquationType == 'Polyn.':
Emission = float(a0) + \
float(a1) * float(Speed) + \
float(a2) * pow(float(Speed), 2) + \
float(a3) * pow(float(Speed), 3) + \
float(a4) * pow(float(Speed), 4) + \
float(a5) * pow(float(Speed), 5)
if EquationType == 'Power':
Emission = a0 * pow(Speed, a1)
if CalculateFCfromCO2:
if FuelType == "DIESEL":
Emission = Emission / 3.18
WarningText.append(
"Fuel Calculated from CO2 emission factor 3.18")
if FuelType == "PETROL":
Emission = Emission / 3.13
WarningText.append(
"Fuel Calculated from CO2 emission factor 3.13")
#Her ligger feilsjekkingsrutiner
if Speed > 125:
WarningText.append("Emission Function used outside valid area")
if (len(WarningText) == 0):
WarningText.append("No Warnings")
if Speed < 6:
Emission = 0
WarningText.append("Speed Under 6kmh")
#Here comes correction for gradient
corrFactor = 0
GradeKey = EuroClass + "_" + TrafficSituation + "_" + str(Gradient)
value = S.H_PCGrade[GradeKey]
if FuelType == 'PETROL':
if Component == 'CO':
corrFactor = value[3]
if Component == 'HC':
corrFactor = value[4]
if Component == 'NOx':
corrFactor = value[5]
if Component == 'FC':
corrFactor = value[6]
if Component == 'CO2':
corrFactor = value[6]
if Component == 'PM':
corrFactor = 1 # ARTEMIS does not correct PM for gasoline for grades
elif FuelType == 'DIESEL':
if Component == 'CO':
corrFactor = value[7]
if Component == 'HC':
corrFactor = value[8]
if Component == 'NOx':
corrFactor = value[9]
if Component == 'PM':
corrFactor = value[10]
if Component == 'FC':
corrFactor = value[11]
if Component == 'CO2':
corrFactor = value[11]
CorrectedEmission = float(Emission) * float(corrFactor)
egps = S.Convert_gpkm_to_gps(CorrectedEmission, Speed)
return CorrectedEmission, "g/km", egps[0], egps[1], WarningText
def CreateLDV():
S.load_LDV()
create_vehicle_list()
def CreateTrain(): S.load_Train()
def CreateLDV(): S.load_LDV() create_vehicle_list()
def CreateShip(): S.load_Ship() create_vehicle_list()
def CreatePC(): S.load_PC() S.load_PCGradient() create_vehicle_list()