1. Key Laboratory of Fluid and Power Machinery, Ministry of Education, School of Energy and Power Engineering, Xihua University, Chengdu 610039, P.R.China
2. Vehicle Measurement, Control and Safety Key Laboratory of Sichuan Province, School of Automobile and Transportation, Xihua University, Chengdu 610039, P.R.China
3. Beijing Institute of Technology, National Lab of Auto Performance and Emission Test, Beijing Institute of Technology, Beijing 100081, P.R.China
4. Sichuan Institute of Product Quality Supervision & Inspection, Chengdu 610039, P.R.China