1. University of Brest, UMR CNRS 6027 IRDL, Brest, France
2. School of Electrical Engineering, Xi’an Jiaotong University, Xi’an, China
3. ISEN Yncréa Ouest, L@bISEN, Brest, France
4. School of Energy and Computer Science, University of Technology of Belfort–Montbeliard, Belfort, France