1. School of Automation, Wuxi University, Wuxi 214105, China
2. School of Automation, Nanjing University of Information Science and Technology, Nanjing 210044, China
3. Hongyuan Green Energy Co., Ltd., Wuxi 214026, China
4. Additive Manufacturing Products Supervision and Inspection Center of China, Wuxi Institution of Supervision & Testing on Product Quality, Wuxi 214125, China