1. School of Mechatronic Engineering and the Sichuan Shared Platform for Oil and Gas Equipment Technology, Southwest Petroleum University, Sichuan, Chengdu, China
2. School of Mechatronic Engineering, Southwest Petroleum University, Sichuan, Chengdu, China
3. Southwest Gas Production Plant, PetroChina Zhejiang Oilfield Company, Zhejiang, Hangzhou, China