1. University of Technology,FinEst Centre for Smart Cities Tallinn,Tallinn,Estonia
2. University of Biskra, Biskra, Algeria,Electrical Engineering Departement,Biskra,Algeria,07000
3. Tallinn University of Technology,Departement of Electrical Power Enginnering and Mechatronics,Tallinn,Estonia
4. Swinburne University of Technology,School of Software and Electrical Engineering,Melbourne,Australia