School of Automation, Beijing Institute of Technology, No. 5, Zhongguancun South Street, Haidian District, Beijing, 100081, PR China,School of Automation, Beijing Institute of Technology, No. 5, Zhongguancun South Street, Haidian District, Beijing, 100081, PR China,School of Automation, Beijing Institute of Technology, No. 5, Zhongguancun South Street, Haidian District, Beijing, 100081, PR China,School of Automation, Beijing Institute of Technology, No. 5, Zhongguancun South Street, Haidian District, Beijing, 100081, PR China.An adaptive sliding mode observer over wide speed range for sensorless control of a brushless DC motor[J].Control Engineering Practice,2018.