| Citation: | WANG S Y,ZHANG J,YANG L Y. Attitude control law based on L1-ITD for a tail-sitter UAV[J]. Journal of Beijing University of Aeronautics and Astronautics,2023,49(9):2501-2509 (in Chinese) doi: 10.13700/j.bh.1001-5965.2021.0681 | 
Aiming at the problem that the tail-sitter UAV is sensitive to wind disturbance in the vertical take-off and landing (VTOL) stage, an attitude control law based on 
	                | [1] | 
					 刘玉焘. 尾座式无人机的飞行控制器设计[D]. 哈尔滨: 哈尔滨工业大学, 2014: 1-33. 
					LIU Y T. Design of flight controller for a tail-sitter UAV[D]. Harbin: Harbin Institute of Technology, 2014: 1-33(in Chinese). 
						
					 | 
			
| [2] | 
					 王刚强. 大气扰动下无人直升机悬停/小速度段位置控制律设计[D]. 南京: 南京亚洲成人在线一二三四五六区, 2013: 1-3. 
					WANG G Q. Research on position control technology of the unmanned helicopter in hover and low speed state with atmospheric disturbance[D]. Nanjing: Nanjing University of Aeronautics and Astronautics, 2013: 1-3(in Chinese). 
						
					 | 
			
| [3] | 
					 王正熙, 陈洋, 郑秀娟, 等. 风扰下基于气动参数估计的四旋翼无人机控制[J]. 信息与控制, 2018, 47(6): 663-670. doi:  10.13976/j.cnki.xk.2018.7490 
					WANG Z X, CHEN Y, ZHENG X J, et al.  Quadrotor UAV control with disturbance based on aerodynamic parameter estimation[J]. Information and Control, 2018, 47(6): 663-670(in Chinese). doi:  10.13976/j.cnki.xk.2018.7490 
						
					 | 
			
| [4] | 
					 KIM M, KIM Y. Error dynamics-based guidance law of UAVs for target observation under wind disturbance: AIAA 2012-2593[R]. Reston: AIAA, 2012. 
						
					 | 
			
| [5] | 
					 WASLANDER S, WANG C. Wind disturbance estimation and rejection for quadrotor position control: AIAA 2009-1983[R]. Reston: AIAA, 2009. 
						
					 | 
			
| [6] | 
					 WANG Y N, YU J L, LI Q D, et al. Control strategy for the transition flight of a tail-sitter UAV[C]//2017 Chinese Control Conference. Piscataway: IEEE Press, 2017: 3504-3509. 
						
					 | 
			
| [7] | 
					 韩京清. 自抗扰控制器及其应用[J]. 控制与决策, 1998, 13(1): 19-23. doi:  10.3321/j.issn:1001-0920.1998.01.005 
					HAN J Q.  Auto-disturbances-rejection controller and it’s applications[J]. Control and Decision, 1998, 13(1): 19-23(in Chinese). doi:  10.3321/j.issn:1001-0920.1998.01.005 
						
					 | 
			
| [8] | 
					 WANG Q Q, XIONG H J, QIU B. The attitude control of transmission line fault inspection UAV based on ADRC[C]//2017 International Conference on Industrial Informatics-Computing Technology, Intelligent Technology, Industrial Information Integration. Piscataway: IEEE Press, 2018: 186-189. 
						
					 | 
			
| [9] | 
					 ZHU G J, QI J T, WU C. Landing control of fixed-wing UAV based on ADRC[C]//2019 Chinese Control Conference. Piscataway: IEEE Press, 2019: 8020-8025. 
						
					 | 
			
| [10] | 
					 LEE D, AWAN A, KIM S, et al. Adaptive control for a VTOL UAV operating near a wall: AIAA 2012-4835[R]. Reston: AIAA, 2012. 
						
					 | 
			
| [11] | 
					 LIAN S K, MENG W, LIN Z M, et al.  Adaptive attitude control of a quadrotor using fast nonsingular terminal sliding mode[J]. IEEE Transactions on Industrial Electronics, 2022, 69(2): 1597-1607. doi:  10.1109/TIE.2021.3057015 
						
					 | 
			
| [12] | 
					 CAO C Y, HOVAKIMYAN N. Guaranteed transient performance with L1 adaptive controller for systems with unknown time-varying parameters and bounded disturbances: Part I[C]//2007 American Control Conference. Piscataway: IEEE Press, 2007: 3925-3930. 
						
					 | 
			
| [13] | 
					 LUO J, CAO C, HOVAKIMYAN N. L1 adaptive controller for a class of systems with unknown nonlinearities[C]//2010 American Control Conference. Piscataway: IEEE Press, 2010: 1659-1664. 
						
					 | 
			
| [14] | 
					 CAO C, HOVAKIMYAN N. L1 adaptive controller for nonlinear systems in the presence of unmodelled dynamics: Part II[C]//2008 American Control Conference. Piscataway: IEEE Press, 2008: 4099-4104. 
						
					 | 
			
| [15] | 
					 秦奇. 飞行器纵向轨迹的L1自适应控制[D]. 北京: 北京理工大学, 2015: 1-39. 
					QIN Q. L1 adaptive control for aircraft longitudinal trajectory[D]. Beijing: Beijing Institute of Technology, 2015: 1-39(in Chinese). 
						
					 | 
			
| [16] | 
					 陈海, 何开锋, 钱炜祺. 基于非线性L1自适应动态逆的飞行器姿态角控制[J]. 控制理论与应用, 2016, 33(8): 1111-1118. doi:  10.7641/CTA.2016.51007 
					CHEN H, HE K F, QIAN W Q.  Attitude control of flight vehicle based on a nonlinear L1 adaptive dynamic inversion approach[J]. Control Theory & Applications, 2016, 33(8): 1111-1118(in Chinese). doi:  10.7641/CTA.2016.51007 
						
					 | 
			
| [17] | 
					 ZHONG J Y, SONG B F, LI Y B, et al. L1 adaptive control of a dual-rotor tail-sitter unmanned aerial vehicle with input constraints during hover flight[J]. IEEE Access, 2019, 7: 51312-51328. doi:  10.1109/ACCESS.2019.2911897 
						
					 | 
			
| [18] | 
					 甄红涛, 齐晓慧, 李杰, 等. 四旋翼无人机L1自适应块控反步姿态控制器设计[J]. 控制与决策, 2014, 29(6): 1076-1082. 
					ZHEN H T, QI X H, LI J, et al.  Quadrotor UAV L1 adaptive block backstepping attitude controller[J]. Control and Decision, 2014, 29(6): 1076-1082(in Chinese). 
						
					 | 
			
| [19] | 
					 韩京清, 王伟. 非线性跟踪-微分器[J]. 系统科学与数学, 1994, 14(2): 177-183. 
					HAN J Q, WANG W.  Nonlinear tracking-differentiator[J]. Journal of Systems Science and Mathematical Sciences, 1994, 14(2): 177-183(in Chinese). 
						
					 | 
			
| [20] | 
					 史永丽, 侯朝桢. 改进的非线性跟踪微分器设计[J]. 控制与决策, 2008, 23(6): 647-650. doi:  10.13195/j.cd.2008.06.49.shiyl.005 
					SHI Y L, HOU C Z.  Design of improved nonlinear tracking differentiator[J]. Control and Decision, 2008, 23(6): 647-650(in Chinese). doi:  10.13195/j.cd.2008.06.49.shiyl.005 
						
					 | 
			
| [21] | 
					 刘延泉, 郭佳颖. 双曲正切跟踪微分器设计及相平面分析[J]. 电力科学与工程, 2017, 33(10): 74-78. doi:  10.3969/j.ISSN.1672-0792.2017.10.013 
					LIU Y Q, GUO J Y.  Design and phase plane analysis of a hyperbolic tangent tracking differentiator[J]. Electric Power Science and Engineering, 2017, 33(10): 74-78(in Chinese). doi:  10.3969/j.ISSN.1672-0792.2017.10.013 
						
					 | 
			
| [22] | 
					 王新华, 陈增强, 袁著祉. 全程快速非线性跟踪-微分器[J]. 控制理论与应用, 2003, 20(6): 875-878. 
					WANG X H, CHEN Z Q, YUAN Z Z.  Nonlinear tracking-differentiator with high speed in whole course[J]. Control Theory & Applications, 2003, 20(6): 875-878(in Chinese). 
						
					 | 
			
| [23] | 
					 刘海亭. 基于滑模变结构控制的机械臂轨迹跟踪[D]. 天津: 天津大学, 2018. 
					LIU H T. Trajectory tracking of robotic manipulators based on sliding mode variable structure control[D]. Tianjin: Tianjing University, 2018(in Chinese). 
						
					 | 
			
| [24] | 
					 KE Y J, WANG K L, CHEN B M.  Design and implementation of a hybrid UAV with model-based flight capabilities[J]. IEEE/ASME Transactions on Mechatronics, 2018, 23(3): 1114-1125. doi:  10.1109/TMECH.2018.2820222 
						
					 | 
			
| [25] | 
					 LIU X X, LI Y, YUAN M Q, et al. Gust alleviation controller for elastic aircraft based on L1 adaptive control[C]//2017 Chinese Automation Congress. Piscataway: IEEE Press, 2018: 5382-5385. 
						
					 |