[1] [1] MIAA A A, WANG D B.Modeling and backstepping based nonlinear control strategy for a 6 DOF quadrotor helicopter［J］.Chinese Journal of Aeronautics, 2008, 21(3):261-268.

[2] [2] VOOS H.Nonlinear and neural network-based control of a small four-rotoraerial robot［C］//International Conference on Advanced Intelligent Mechatronics, 2007:1-6.

[3] [3] NICOL C, MACNAB C J B, RAMIREZ-SERRANO A.Robust neural network control of a quadrotor helicopter［C］//IEEE Canadian Conference on Electrical and Computer Engineering, Canada, 2008:1233-1238.

[4] [4] DIERKS T, JAGANNATHAN S.Neural network output feed-back control of a quadrotor UAV［C］//The 47th IEEE Conference on Decision and Control, 2008:3633-3639.

[5] [5] RASHID M I, AKHTAR S.Adaptive control of a quadrotor with unknown model parameters［C］//Proceedings of 9th International Bhurban Conference on Applied Sciences and Technology, 2012:8-14.

[6] [6] MOREL Y, LEONESSA A.Direct adaptive tracking control of quadrotor aerial vehicles［C］//ASME International Mechanical Engineering Congress and Exposition, 2006:155-161.

[12] [12] ZHANG L C, ZHANG C L, HORNG J H, et al.Study on multivariable system based on PID neural network control［J］.Advanced Materials Research, 2012(591/592/593):1490-1495.