1. Northwestern Polytechnical University,School of Automation,Xi’an,China
2. Northwestern Polytechnical University,School of Software,Xi’an,China
3. Northwestern Polytechnical University,Unmanned System Research Institute,Xi’an,China
4. Res. & Dev. Ins. of Northwestern Polytechnical University in Shenzhen,Shenzhen,China
5. Univ. de Technologie de Belfort Montbéliard,FEMTO-ST Institute,Belfort,France
6. Corporation of China,Xi’an Aviation Institute of Computing Technology, Aviation Industry,Xi’an,China
7. China Eastern Airline,Maintenance Control Center Northwest Branch,Xi’an,China