1. Quality of life (QoL) modelling in terms of energy consumption
Tokyo Institute of Technology
Quality of life (QoL)
modelling in terms of energy consumption
Reza Nadimi
PhD student
Supervisor: Professor Koji Tokimatsu

2. Outline of Presentation
QoL Indicator
Sigmoid Model
Model Application
Observable variables
Latent Variable (QoL)
Factor Analysis
QoL Indicator
Ecpc/Elcpc
Sigmoid Function
World countries Classification
QoL variation against Energy usage
Model Application
Non-Linear Function
Linear Function
No. of Country: 112
Year:
Research scope

3. Variables: Observable VS Non-observable
QoL Indicator
Sigmoid Model
Model Application
Variables: Observable VS Non-observable
Energy Consumption
QoL ?

4. Deaths (0-1 year)/ 1000 live births
QoL Indicator
Sigmoid Model
Model Application
Variables
Economy
GDP
GNI
Health
IMR
IWA
LEB
Education
MYS
Unit
Current US $
(Per Capita)
Log10(…)
Deaths (0-1 year)/ 1000 live births
Year %

5. Q.L fa(six variables) = f ( GDP, GNI, IMR, IWA, LEB, MYS)
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QoL Indicator
Sigmoid Model
Model Application
Factor Analysis (fa)
Q.L fa(six variables) = f ( GDP, GNI, IMR, IWA, LEB, MYS)
Data Normalization via Feature Scaling
Correlation Matrix
Factor Loadings (Eigenvector*Square Root (Eigenvalue) )

6. Q.Lfa (…) Model? fP1 : Factor Loadings with the Highest Eigenvalue
QoL Indicator
Sigmoid Model
Model Application
Q.Lfa (…)
Q.L fa(six var.) = f11 * GDP + f21 * GNI + f31 * IMR + f41 * IWA + f51 * LEB + f61 * MYS
fP1 : Factor Loadings with the Highest Eigenvalue
Q.L fa(6 Var.) = 0.916*GDP+0.921*GNI *IMR *IWA *LEB+0.814*MYS
(Year 2013)
Energy Consumption
QoL Indicator
Model?
Q.Lfa (six var.): Normalization via Feature Scaling

7. Variables Unit ECpc (Energy Consumption per capita)
QoL Indicator
Sigmoid Model
Model Application
Variables
QoL Indicator
ECpc (Energy Consumption per capita)
Elcpc (Electricity Consumption per capita)
Unit
kg of oil equivalent per capita
Log10(ECpc) %
kWh per capita
Log10(Elcpc)

8. Sigmoid Function (Sig)
QoL Indicator
Sigmoid Model
Model Application
Sigmoid Function (Sig)
Based on the observed pattern of the pair of the QoL and EC, we adopted S-curve model to the data
2.1968
(Year 2013)

9. QoL Indicator Sigmoid Model Model Application
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QoL Indicator
Sigmoid Model
Model Application

10. Energy Consumption Pathway
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QoL Indicator
Sigmoid Model
Model Application
HDI
Energy Consumption Pathway
Consumption Rate
ECpc (kg of oil, 2007, Source: GEA)
sequence of descending energy consumption
{Residential,
Industry,
Transport}
{Industry,
Residential,
{Transport,
Residential}
Energy Poverty
Eco-Efficiency
Eco-Sufficiency
Commercial?

11. Thanks for your attention