1. a Institute of Systems Science, Northeastern University , Shenyang, Liaoning 110004, PR China
2. b Department of Mathematics and Physics , Shenyang Institute of Chemical Technology , Shenyang, Liaoning 110142, PR China
3. c Key Laboratory of Integrated Automation of Process Industry (Northeastern University), Ministry of Education , Shenyang, Liaoning 110004, PR China
4. d School of Science, Dalian Jiaotong University , Dalian, Liaoning 116028, PR China