[2] KENDOUL F.Survey of advances in guidance, navigation, and control of unmanned rotorcraft systems[J].Journal of Field Robotics, 2012, 29(2): 315-378.
[4] MIWA M, UEMURA S, ISHIHARA Y, et al.Evaluation of quad ducted-fan helicopter[J].International Journal of Intelligent Unmanned Systems, 2013, 1(2): 187-198.
[5] WIDYANTO S A, WIDODO A, WIJONARKO Y A.Auto level control systems of V-TAIL quadcopter[J].International Journal of Latest Research in Science and Technology, 2014, 3(3): 1-6.
[6] RAZA S A, GUEAIEB W.Intelligent flight control of an autonomous quadrotor[M]//CASOLO F.Motion Control.Croatia: InTech, 2010.
[7] LIU H, XI J X, ZHONG Y S.Robust motion control of quadrotors[J].Journal of the Franklin Institute, 2014, 351(12): 5494-5510.
[11] CASTILLO P, DZUL A, LOZANO R.Real-time stabilization and tracking of a four-rotor mini rotorcraft[J].IEEE Transactions on Control Systems Technology, 2004, 12(4): 510-516.
[12] CASTILLO P, LOZANO R, DZUL A.Stabilization of a mini-rotorcraft having four rotors[J].IEEE International Conference on Intelligent Robots and Systems, 2004.doi: 10.1109/IROS.2004.1389815.
[14] BOLANDI H, REZAEI M, MOHSENIPOUR R, et al.Attitude control of a quadrotor with optimized PID controller[J].Intelligent Control and Automation, 2013(4): 335-342.
[16] LEWIS F L.Linear quadratic regulator (LQR) state feedback design[Z].Lecture notes in Dept.Elect.Engineering, University of Texas, Arlington, 2008: 1-10.
[17] JAFARI H, ZAREH M, ROSHANIAN J, et al.An optimal guidance law applied to quadrotor using LQR method[J].Transactions of the Japan Society for Aeronautical and Space Sciences, 2010.doi: 10.2322/tjsass.53.32.
[18] PRIYATMADI, SANDIWAN A P, WIJAYA H, et al.Application of SPSA LQR tuning on quadrotor[C]//The 6th International Annual Engineering Seminar, 2016.doi: 10.1109/INAES.2016.7821902.
[19] RODRIGUEZ W E, IBARRA R, ROMERO G, et al.Comparison of controllers for a UAV type quadrotor: feedback control by Bessels polynomials and LQR with Kalman filter[J].Applied Mechanics and Materials, 2014, 555: 40-48.
[20] ZHAO B, XIAN B, ZHANG Y, et al.Nonlinear robust sliding mode control of a quadrotor unmanned aerial vehicle based on immersion and invariance method[J].International Journal of Robust and Nonlinear Control, 2015, 25(18): 3714-3731.
[21] MUNOZ F, GONZALEZ-HERNANDEZ I, SALAZAR S, et al.Second order sliding mode controllers for altitude control of a quadrotor UAS[J].Neurocomputing, 2017, 233: 61-71.
[22] MADANI T, BENALLEGUE A.Backstepping control for a quadrotor helicopter[C]//IEEE/RSJ International Conference on Intelligent Robots and Systems, 2006.doi: 10.1109/IROS.2006.282433.
[23] BOUABDALLAH S, MURRIERI P, SIEGWART R.Design and control of an indoor micro quadrotor[C]//Proceedings of IEEE International Conference on Robotics and Automation, 2004.doi: 10.1109/ROBOT.2004.1302409.
[24] BOUABDALLAH S, SIEGWART R.Backstepping and sliding-mode techniques applied to an indoor micro quadrotor[C]//Proceedings of the IEEE International Conference on Robotics and Automation, 2005.doi: 10.1109/ROBOT.2005.1570447.
[25] HUANG M, XIAN B, DIAO C, et al.Adaptive tracking control of underactuated quadrotor unmanned aerial vehicles via backstepping[C]//Proceedings of the 2010 American Control Conference, 2010.doi: 10.1109/ACC.2010.5531424.
[27] LIU H, LI D J, XI J X, et al.Robust attitude controller design for miniature quadrotors[J].International Journal of Robust and Nonlinear Control, 2016, 26(4): 681-696.
[28] LIU H, WANG X F, ZHONG Y S.Brief paper-robust position control of a lab helicopter under wind disturbances[J].IET Control Theory and Applications, 2014, 8(15): 1555-1565.
[29] DINH X, AHN K K.Adaptive tracking control of a quadrotor unmanned vehicle[J].International Journal of Precision Engineering and Manufacturing, 2017, 18(2): 163-173.
[30] ISLAM S, LIU P X, SADDIK A E.Nonlinear adaptive control for quadrotor flying vehicle[J].Nonlinear Dynamics, 2014, 78(1): 117-133.