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Machine Learning
Short-term Load Forecasting in the Electrical Grid

Alexandru Ceocea
aceoce12@student.aau.dk
Mohammed Seifu Kemal
mkemal11@student.aau.dk
Robin Doumerc
rdoume12@student.aau.dk
NDS9
Department of Electronic Systems
Aalborg University
Denmark
Agenda
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc

Introduction
Smart Grid Networks
Short Term Load Forecasting
Data Collection

Introduction
Smart Grid Networks
Short Term Load
Forecasting
Data Collection

Learning Algorithms

Learning Algorithms
Linear Regression
Neural Networks

Linear Regression
Neural Networks

Results
Linear Regression
Neural Networks
Linear Regression vs
Neural Networks

Results
Linear Regression
Neural Networks
Linear Regression vs Neural Networks

Conclusions
Conclusions

Conclusions
Conclusions
10

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
Smart Grid Networks
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc
Introduction
2

What is a Smart Grid ?

Smart Grid Networks
Short Term Load
Forecasting

Modernized electrical grid that makes use of information and
communication technology in order to gather and react on
information such as the behavior of suppliers and consumers
in an automated centralized way

Data Collection

Learning Algorithms
Linear Regression
Neural Networks

Results
Linear Regression
Neural Networks
Linear Regression vs
Neural Networks

Conclusions
Conclusions

10

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
Smart Grid Networks
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc
Introduction
2

What is a Smart Grid ?

Smart Grid Networks
Short Term Load
Forecasting

Modernized electrical grid that makes use of information and
communication technology in order to gather and react on
information such as the behavior of suppliers and consumers
in an automated centralized way

Data Collection

Learning Algorithms
Linear Regression
Neural Networks

Results
Linear Regression
Neural Networks

Why Smart Grids ?

Linear Regression vs
Neural Networks

To improve the efficiency, reliability and sustainability of the
production and distribution of electricity within the Grid.

Conclusions
Conclusions

10

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
Short Term Load Forecasting
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc

Load Forecasting

Introduction
Smart Grid Networks
3

Short Term Load
Forecasting
Data Collection

Learning Algorithms
Linear Regression
Neural Networks

Results
Linear Regression
Neural Networks
Linear Regression vs
Neural Networks

Conclusions
Conclusions

10

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
Short Term Load Forecasting
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc

Load Forecasting

Introduction
Smart Grid Networks

Vitally important for the electric industry

3

Short Term Load
Forecasting
Data Collection

Balance supply and demand

Learning Algorithms

Infrastructure development

Linear Regression
Neural Networks

Results
Linear Regression
Neural Networks
Linear Regression vs
Neural Networks

Conclusions
Conclusions

10

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
Short Term Load Forecasting
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc

Load Forecasting

Introduction
Smart Grid Networks

Vitally important for the electric industry

3

Short Term Load
Forecasting
Data Collection

Balance supply and demand

Learning Algorithms

Infrastructure development

Linear Regression
Neural Networks

Results
Linear Regression

Short term Load Forecasting

Neural Networks
Linear Regression vs
Neural Networks

Conclusions
Conclusions

10

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
Short Term Load Forecasting
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc

Load Forecasting

Introduction
Smart Grid Networks

Vitally important for the electric industry

3

Short Term Load
Forecasting
Data Collection

Balance supply and demand

Learning Algorithms

Infrastructure development

Linear Regression
Neural Networks

Results
Linear Regression

Short term Load Forecasting

Neural Networks
Linear Regression vs
Neural Networks

From 1 hour to 1 week

Conclusions

Generation of short term scheduling functions

Conclusions

Assessing the security of the power system
Dispatcher information

10

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
Collected Data
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc
Introduction
Smart Grid Networks

Training data is composed of energy consumption measured
over the course of one year (2011), in West Denmark and is
provided by Energinet.

Short Term Load
Forecasting
4

Data Collection

Learning Algorithms
Linear Regression
Neural Networks

Date

Results

Energy consumption (MWh)

Linear Regression

Hourly update

Linear Regression vs
Neural Networks

Neural Networks

Conclusions

Time frame = 1 year

Conclusions

10

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
Linear Regression
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc

For the forecasting of electric load consumption, regression is
used to model the relationship between the load and similar
characteristics from a previous time frame.

Introduction
Smart Grid Networks
Short Term Load
Forecasting
Data Collection

Learning Algorithms
5

Linear Regression
Neural Networks

Results
Linear Regression
Neural Networks
Linear Regression vs
Neural Networks

Conclusions
Conclusions

10

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
Linear Regression
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc

For the forecasting of electric load consumption, regression is
used to model the relationship between the load and similar
characteristics from a previous time frame.

Introduction
Smart Grid Networks
Short Term Load
Forecasting
Data Collection

Learning Algorithms

Regression formula used: hθ (x) = θT x =

5

n

Linear Regression
Neural Networks

θi xi

Results

i=1

Linear Regression
Neural Networks
Linear Regression vs
Neural Networks

Conclusions
Conclusions

10

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
Linear Regression
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc

For the forecasting of electric load consumption, regression is
used to model the relationship between the load and similar
characteristics from a previous time frame.

Introduction
Smart Grid Networks
Short Term Load
Forecasting
Data Collection

Learning Algorithms

Regression formula used: hθ (x) = θT x =

5

n

Linear Regression
Neural Networks

θi xi

Results

i=1

Linear Regression
Neural Networks

x1 - Day of the week

Linear Regression vs
Neural Networks

Conclusions
Conclusions

10

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
Linear Regression
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc

For the forecasting of electric load consumption, regression is
used to model the relationship between the load and similar
characteristics from a previous time frame.

Introduction
Smart Grid Networks
Short Term Load
Forecasting
Data Collection

Learning Algorithms

Regression formula used: hθ (x) = θT x =

5

n

Linear Regression
Neural Networks

θi xi

Results

i=1

Linear Regression
Neural Networks

x1 - Day of the week

Linear Regression vs
Neural Networks

x2 - Day of the month

Conclusions
Conclusions

10

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
Linear Regression
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc

For the forecasting of electric load consumption, regression is
used to model the relationship between the load and similar
characteristics from a previous time frame.

Introduction
Smart Grid Networks
Short Term Load
Forecasting
Data Collection

Learning Algorithms

Regression formula used: hθ (x) = θT x =

5

n

Linear Regression
Neural Networks

θi xi

Results

i=1

Linear Regression
Neural Networks

x1 - Day of the week

Linear Regression vs
Neural Networks

x2 - Day of the month

Conclusions
Conclusions

x3 - Average previous load (24h)

10

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
Linear Regression
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc

For the forecasting of electric load consumption, regression is
used to model the relationship between the load and similar
characteristics from a previous time frame.

Introduction
Smart Grid Networks
Short Term Load
Forecasting
Data Collection

Learning Algorithms

Regression formula used: hθ (x) = θT x =

5

n

Linear Regression
Neural Networks

θi xi

Results

i=1

Linear Regression
Neural Networks

x1 - Day of the week

Linear Regression vs
Neural Networks

x2 - Day of the month

Conclusions
Conclusions

x3 - Average previous load (24h)
x4 - Load of same time frame (1h) on previous day

10

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
Linear Regression
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc

For the forecasting of electric load consumption, regression is
used to model the relationship between the load and similar
characteristics from a previous time frame.

Introduction
Smart Grid Networks
Short Term Load
Forecasting
Data Collection

Learning Algorithms

Regression formula used: hθ (x) = θT x =

5

n

Linear Regression
Neural Networks

θi xi

Results

i=1

Linear Regression
Neural Networks

x1 - Day of the week

Linear Regression vs
Neural Networks

x2 - Day of the month

Conclusions
Conclusions

x3 - Average previous load (24h)
x4 - Load of same time frame (1h) on previous day
x5 - Load at same time, same day, previous week
x6 - Month
10

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
Neural Networks
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc
Introduction
Smart Grid Networks
Short Term Load
Forecasting
Data Collection

Learning Algorithms
Linear Regression
6

Neural Networks

Results
Linear Regression
Neural Networks
Linear Regression vs
Neural Networks

Conclusions

Figure: Artificial Neural network

Conclusions

Same features as before
Comparison purposes
Better data fitting
10

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
Linear Regression - 4 features vs 6 features
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc
Introduction
Smart Grid Networks
Short Term Load
Forecasting
Data Collection

Learning Algorithms
Linear Regression
Neural Networks

Results
7

Linear Regression
Neural Networks
Linear Regression vs
Neural Networks

Conclusions
Conclusions

Figure: 24 Hour prediction using Linear Regression

MAPE4ft = 8.060
MAPE6ft = 8.473
10

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
Results Neural Networks
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc
Introduction
Smart Grid Networks
Short Term Load
Forecasting
Data Collection

Learning Algorithms
Linear Regression
Neural Networks

Results
Linear Regression
8

Neural Networks
Linear Regression vs
Neural Networks

Conclusions
Conclusions

Figure: 24 Hour prediction using Neural Networks - 6 features

MAPE = 5.060

10

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
LR vs NN - 6 features
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc
Introduction
Smart Grid Networks
Short Term Load
Forecasting
Data Collection

Learning Algorithms
Linear Regression
Neural Networks

Results
Linear Regression
Neural Networks
9

Linear Regression vs
Neural Networks

Conclusions
Conclusions

Figure: Linear Regression vs Neural Networks

MAPELR = 8.473
MAPENN = 5.060
10

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
Conclusions
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc
Introduction

Linear Regression

Smart Grid Networks
Short Term Load
Forecasting
Data Collection

Learning Algorithms
Linear Regression
Neural Networks

Results
Linear Regression
Neural Networks

Neural Networks

Linear Regression vs
Neural Networks

Conclusions
10

10

Conclusions

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
Conclusions
STLF
A. Ceocea,
M.S. Kemal,
R. Doumerc
Introduction

Linear Regression

Smart Grid Networks
Short Term Load
Forecasting

More features = better training data fitting

Data Collection

Learning Algorithms

Validation data fitting might not be optimal because of the
non linearity of the system

Linear Regression
Neural Networks

Results
Linear Regression
Neural Networks

Neural Networks
Better adapted to non-linear systems

Linear Regression vs
Neural Networks

Conclusions
10

Conclusions

Better overall results based on our implementation

10

NDS9
Dept. of Electronic Systems
Aalborg University
Denmark
Thank you !

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West denmark short term load forecast_for smart grids

  • 1. Machine Learning Short-term Load Forecasting in the Electrical Grid Alexandru Ceocea aceoce12@student.aau.dk Mohammed Seifu Kemal mkemal11@student.aau.dk Robin Doumerc rdoume12@student.aau.dk NDS9 Department of Electronic Systems Aalborg University Denmark
  • 2. Agenda STLF A. Ceocea, M.S. Kemal, R. Doumerc Introduction Smart Grid Networks Short Term Load Forecasting Data Collection Introduction Smart Grid Networks Short Term Load Forecasting Data Collection Learning Algorithms Learning Algorithms Linear Regression Neural Networks Linear Regression Neural Networks Results Linear Regression Neural Networks Linear Regression vs Neural Networks Results Linear Regression Neural Networks Linear Regression vs Neural Networks Conclusions Conclusions Conclusions Conclusions 10 NDS9 Dept. of Electronic Systems Aalborg University Denmark
  • 3. Smart Grid Networks STLF A. Ceocea, M.S. Kemal, R. Doumerc Introduction 2 What is a Smart Grid ? Smart Grid Networks Short Term Load Forecasting Modernized electrical grid that makes use of information and communication technology in order to gather and react on information such as the behavior of suppliers and consumers in an automated centralized way Data Collection Learning Algorithms Linear Regression Neural Networks Results Linear Regression Neural Networks Linear Regression vs Neural Networks Conclusions Conclusions 10 NDS9 Dept. of Electronic Systems Aalborg University Denmark
  • 4. Smart Grid Networks STLF A. Ceocea, M.S. Kemal, R. Doumerc Introduction 2 What is a Smart Grid ? Smart Grid Networks Short Term Load Forecasting Modernized electrical grid that makes use of information and communication technology in order to gather and react on information such as the behavior of suppliers and consumers in an automated centralized way Data Collection Learning Algorithms Linear Regression Neural Networks Results Linear Regression Neural Networks Why Smart Grids ? Linear Regression vs Neural Networks To improve the efficiency, reliability and sustainability of the production and distribution of electricity within the Grid. Conclusions Conclusions 10 NDS9 Dept. of Electronic Systems Aalborg University Denmark
  • 5. Short Term Load Forecasting STLF A. Ceocea, M.S. Kemal, R. Doumerc Load Forecasting Introduction Smart Grid Networks 3 Short Term Load Forecasting Data Collection Learning Algorithms Linear Regression Neural Networks Results Linear Regression Neural Networks Linear Regression vs Neural Networks Conclusions Conclusions 10 NDS9 Dept. of Electronic Systems Aalborg University Denmark
  • 6. Short Term Load Forecasting STLF A. Ceocea, M.S. Kemal, R. Doumerc Load Forecasting Introduction Smart Grid Networks Vitally important for the electric industry 3 Short Term Load Forecasting Data Collection Balance supply and demand Learning Algorithms Infrastructure development Linear Regression Neural Networks Results Linear Regression Neural Networks Linear Regression vs Neural Networks Conclusions Conclusions 10 NDS9 Dept. of Electronic Systems Aalborg University Denmark
  • 7. Short Term Load Forecasting STLF A. Ceocea, M.S. Kemal, R. Doumerc Load Forecasting Introduction Smart Grid Networks Vitally important for the electric industry 3 Short Term Load Forecasting Data Collection Balance supply and demand Learning Algorithms Infrastructure development Linear Regression Neural Networks Results Linear Regression Short term Load Forecasting Neural Networks Linear Regression vs Neural Networks Conclusions Conclusions 10 NDS9 Dept. of Electronic Systems Aalborg University Denmark
  • 8. Short Term Load Forecasting STLF A. Ceocea, M.S. Kemal, R. Doumerc Load Forecasting Introduction Smart Grid Networks Vitally important for the electric industry 3 Short Term Load Forecasting Data Collection Balance supply and demand Learning Algorithms Infrastructure development Linear Regression Neural Networks Results Linear Regression Short term Load Forecasting Neural Networks Linear Regression vs Neural Networks From 1 hour to 1 week Conclusions Generation of short term scheduling functions Conclusions Assessing the security of the power system Dispatcher information 10 NDS9 Dept. of Electronic Systems Aalborg University Denmark
  • 9. Collected Data STLF A. Ceocea, M.S. Kemal, R. Doumerc Introduction Smart Grid Networks Training data is composed of energy consumption measured over the course of one year (2011), in West Denmark and is provided by Energinet. Short Term Load Forecasting 4 Data Collection Learning Algorithms Linear Regression Neural Networks Date Results Energy consumption (MWh) Linear Regression Hourly update Linear Regression vs Neural Networks Neural Networks Conclusions Time frame = 1 year Conclusions 10 NDS9 Dept. of Electronic Systems Aalborg University Denmark
  • 10. Linear Regression STLF A. Ceocea, M.S. Kemal, R. Doumerc For the forecasting of electric load consumption, regression is used to model the relationship between the load and similar characteristics from a previous time frame. Introduction Smart Grid Networks Short Term Load Forecasting Data Collection Learning Algorithms 5 Linear Regression Neural Networks Results Linear Regression Neural Networks Linear Regression vs Neural Networks Conclusions Conclusions 10 NDS9 Dept. of Electronic Systems Aalborg University Denmark
  • 11. Linear Regression STLF A. Ceocea, M.S. Kemal, R. Doumerc For the forecasting of electric load consumption, regression is used to model the relationship between the load and similar characteristics from a previous time frame. Introduction Smart Grid Networks Short Term Load Forecasting Data Collection Learning Algorithms Regression formula used: hθ (x) = θT x = 5 n Linear Regression Neural Networks θi xi Results i=1 Linear Regression Neural Networks Linear Regression vs Neural Networks Conclusions Conclusions 10 NDS9 Dept. of Electronic Systems Aalborg University Denmark
  • 12. Linear Regression STLF A. Ceocea, M.S. Kemal, R. Doumerc For the forecasting of electric load consumption, regression is used to model the relationship between the load and similar characteristics from a previous time frame. Introduction Smart Grid Networks Short Term Load Forecasting Data Collection Learning Algorithms Regression formula used: hθ (x) = θT x = 5 n Linear Regression Neural Networks θi xi Results i=1 Linear Regression Neural Networks x1 - Day of the week Linear Regression vs Neural Networks Conclusions Conclusions 10 NDS9 Dept. of Electronic Systems Aalborg University Denmark
  • 13. Linear Regression STLF A. Ceocea, M.S. Kemal, R. Doumerc For the forecasting of electric load consumption, regression is used to model the relationship between the load and similar characteristics from a previous time frame. Introduction Smart Grid Networks Short Term Load Forecasting Data Collection Learning Algorithms Regression formula used: hθ (x) = θT x = 5 n Linear Regression Neural Networks θi xi Results i=1 Linear Regression Neural Networks x1 - Day of the week Linear Regression vs Neural Networks x2 - Day of the month Conclusions Conclusions 10 NDS9 Dept. of Electronic Systems Aalborg University Denmark
  • 14. Linear Regression STLF A. Ceocea, M.S. Kemal, R. Doumerc For the forecasting of electric load consumption, regression is used to model the relationship between the load and similar characteristics from a previous time frame. Introduction Smart Grid Networks Short Term Load Forecasting Data Collection Learning Algorithms Regression formula used: hθ (x) = θT x = 5 n Linear Regression Neural Networks θi xi Results i=1 Linear Regression Neural Networks x1 - Day of the week Linear Regression vs Neural Networks x2 - Day of the month Conclusions Conclusions x3 - Average previous load (24h) 10 NDS9 Dept. of Electronic Systems Aalborg University Denmark
  • 15. Linear Regression STLF A. Ceocea, M.S. Kemal, R. Doumerc For the forecasting of electric load consumption, regression is used to model the relationship between the load and similar characteristics from a previous time frame. Introduction Smart Grid Networks Short Term Load Forecasting Data Collection Learning Algorithms Regression formula used: hθ (x) = θT x = 5 n Linear Regression Neural Networks θi xi Results i=1 Linear Regression Neural Networks x1 - Day of the week Linear Regression vs Neural Networks x2 - Day of the month Conclusions Conclusions x3 - Average previous load (24h) x4 - Load of same time frame (1h) on previous day 10 NDS9 Dept. of Electronic Systems Aalborg University Denmark
  • 16. Linear Regression STLF A. Ceocea, M.S. Kemal, R. Doumerc For the forecasting of electric load consumption, regression is used to model the relationship between the load and similar characteristics from a previous time frame. Introduction Smart Grid Networks Short Term Load Forecasting Data Collection Learning Algorithms Regression formula used: hθ (x) = θT x = 5 n Linear Regression Neural Networks θi xi Results i=1 Linear Regression Neural Networks x1 - Day of the week Linear Regression vs Neural Networks x2 - Day of the month Conclusions Conclusions x3 - Average previous load (24h) x4 - Load of same time frame (1h) on previous day x5 - Load at same time, same day, previous week x6 - Month 10 NDS9 Dept. of Electronic Systems Aalborg University Denmark
  • 17. Neural Networks STLF A. Ceocea, M.S. Kemal, R. Doumerc Introduction Smart Grid Networks Short Term Load Forecasting Data Collection Learning Algorithms Linear Regression 6 Neural Networks Results Linear Regression Neural Networks Linear Regression vs Neural Networks Conclusions Figure: Artificial Neural network Conclusions Same features as before Comparison purposes Better data fitting 10 NDS9 Dept. of Electronic Systems Aalborg University Denmark
  • 18. Linear Regression - 4 features vs 6 features STLF A. Ceocea, M.S. Kemal, R. Doumerc Introduction Smart Grid Networks Short Term Load Forecasting Data Collection Learning Algorithms Linear Regression Neural Networks Results 7 Linear Regression Neural Networks Linear Regression vs Neural Networks Conclusions Conclusions Figure: 24 Hour prediction using Linear Regression MAPE4ft = 8.060 MAPE6ft = 8.473 10 NDS9 Dept. of Electronic Systems Aalborg University Denmark
  • 19. Results Neural Networks STLF A. Ceocea, M.S. Kemal, R. Doumerc Introduction Smart Grid Networks Short Term Load Forecasting Data Collection Learning Algorithms Linear Regression Neural Networks Results Linear Regression 8 Neural Networks Linear Regression vs Neural Networks Conclusions Conclusions Figure: 24 Hour prediction using Neural Networks - 6 features MAPE = 5.060 10 NDS9 Dept. of Electronic Systems Aalborg University Denmark
  • 20. LR vs NN - 6 features STLF A. Ceocea, M.S. Kemal, R. Doumerc Introduction Smart Grid Networks Short Term Load Forecasting Data Collection Learning Algorithms Linear Regression Neural Networks Results Linear Regression Neural Networks 9 Linear Regression vs Neural Networks Conclusions Conclusions Figure: Linear Regression vs Neural Networks MAPELR = 8.473 MAPENN = 5.060 10 NDS9 Dept. of Electronic Systems Aalborg University Denmark
  • 21. Conclusions STLF A. Ceocea, M.S. Kemal, R. Doumerc Introduction Linear Regression Smart Grid Networks Short Term Load Forecasting Data Collection Learning Algorithms Linear Regression Neural Networks Results Linear Regression Neural Networks Neural Networks Linear Regression vs Neural Networks Conclusions 10 10 Conclusions NDS9 Dept. of Electronic Systems Aalborg University Denmark
  • 22. Conclusions STLF A. Ceocea, M.S. Kemal, R. Doumerc Introduction Linear Regression Smart Grid Networks Short Term Load Forecasting More features = better training data fitting Data Collection Learning Algorithms Validation data fitting might not be optimal because of the non linearity of the system Linear Regression Neural Networks Results Linear Regression Neural Networks Neural Networks Better adapted to non-linear systems Linear Regression vs Neural Networks Conclusions 10 Conclusions Better overall results based on our implementation 10 NDS9 Dept. of Electronic Systems Aalborg University Denmark