1. National Key Laboratory of Continental Shale Oil of China, Northeast Petroleum University, Daqing, China
2. Department of Computer Science, Brunel University London, Uxbridge, U.K.
3. Ministry of Education, Key Laboratory of Advanced Perception and Intelligent Control of High-End Equipment, Anhui Polytechnic University, Wuhu, China
4. School of Automation, Hangzhou Dianzi University, Hangzhou, China