eng, Li, Yongdong, Zhao, Tiefu, Huang, Lipei.New method to reduce the periodic speed ripples of airconditioners in low speed range.Diangong Jishu Xuebao/Transactions of China Electrotechnical Society[10006753],Published 2006,Volume 21,Issue 7,Pages 99104.
[403] Xiao, Xi, Zhang, Meng, Li, Min, Li, Yongdong.An improved servo control system for high speed flat industrial sewing machine.IET Conference Publications,Published 2006,Issue 524,Pages 18981901.
[404] Wang, Chenchen, Li, Yongdong, Xiao, X