TY - Journal of Computer Applications A1 - ZHANG Jianyang, YU Chunmei, YE Jianxiao T1 - Trajectory tracking control for quadrotor UAV based on extended state observer and backstepping sliding mode Y1 - 2018-09-10 JF - Journal of Computer Applications JO - Journal of Computer Applications SP - 2742 EP - 2746 VL - 38 IS - 9 UR - http://www.joca.cn N1 - 10.11772/j.issn.1001-9081.2018010026 ER -