1. School of Computer Science and Technology, University of Bedfordshire, Luton LU1 3JU, U.K.
2. State Key Laboratory of Engines, Tianjin University, Tianjin 300072, China
3. Univ. Lille, CNRS, Centrale Lille, UMR 9189 - CRIStAL - Centre de Recherche en Informatique Signal et Automatique de Lille, F-59000 Lille, France
4. Junia, Smart Systems and Energies, F-59000 Lille, France
5. School of Engineering, University of Lincoln, Lincoln LN6 7TS, U.K.