Heading feedback in coaxal pilotless helicopter-s course flight

[1] 张晓林.无人驾驶直升机遥测遥控与电子系统设计[J].航空学报,2002, 23(15):431-435 Zhang Xiaolin. TT&C and electronic system design for pilotless helicopter[J]. Acta Aeronautica et Astronautica Sinica, 2002, 23(15):431-435 (in Chinese) [2] Chowdhary Girish, Lorenz Sven.Control of a VTOL UAV via online parameter estimation American Institute of Aeronautics and Astronautics Inc, Reston. AIAA Guidance, Navigation, and Control Conference. San Francisco: ,2005:5627-5641 [3] 谌利.共轴式双旋翼无人驾驶直升机嵌入式导航系统的研究与实现 .北京:北京航空航天大学电子工程系,2001 Chen Li. Investigation & actualization of pilotless coaxial helicopter embedded navigation system . Beijing: Dept of Electronic Engineering, Beijing Univerisity of Aeronautics and Astronautics, 2001(in Chinese) [4] 谌利.共轴式无人驾驶直升机GPS/DMU组合导航控制系统的研究与实现 .北京:北京航空航天大学电子工程系,2004 Chen Li. Research and Implementation of Coaxial UAV’s GPS/DMU Integrated Navigation Control System . Beijing: Dept of Electronic Engineering, Beijing Univerisity of Aeronautics and Astronautics, 2004 (in Chinese) [5] 谌利,张晓林.一种嵌入式导航系统的研究与实现[J]. 遥测遥控,2003, 24(3): 49-52 Chen Li, Zhang Xiaolin. Investigation and actualization of embedded navigation system[J]. Journal of Telemetry, Tracking, and Command, 2003, 24(3): 49-52(in Chinese) [6] 王宗学.飞行器控制系统概论[M].北京:北京航空航天大学出版社,1994:25-62 Wang Zongxue. Panorama of aerocraft control system [M]. Beijing: Beihang University Press, 1994:25-62(in Chinese) [7] 谈振藩,乐慧康,吴简彤.计算机控制及在导航系统中的应用[M].哈尔滨:哈尔滨工程大学出版社,1995:43-51 Tan Zhenfan, Yue Huikang, Wu Jiantong. Theory of computer control and it’s application in navigation system[M]. Harbin: Harbin Engineering University Press, 1995:43-51(in Chinese)