[2]
S.P. Shao, Q.S. Yang, B.W. Yan, S.Y. Cao, and K. Li, "Physical simulation method and device for coupling wave and mobile downburst", C.N. Patent 110044582A,, 2019.
[3]
Z.M. Zhou, S.X. Qiu, W.H. Huang, and Q.T. Xie, "The earthquake simulator of horizontal vibration", T.W. Patent 622035,, 2022.
[5]
S.F. John, D.E. James, and J.H. Gregory, "Flight control test simulator system and method", U.S. Patent 9454911, 2016.
[6]
Grossart, and S.J. Cameron, "Apparatus and method of force feedback input for flight simulator", E.P. Patent 1372128, 2004.
[7]
H.M. Ryu, S.J. Kim, S.K. Sul, T.S. Kwon, K.S. Kim, Y.S. Shim, and K.R. Seok, "Dynamic load simulator for high-speed elevator system", Proceedings of the Power Conversion Conference, vol. 2, pp. 885-889, 2002.
[8]
R. Robert, "Ride quality elevator simulator", U.S. Patent 10997873, 2016.
[9]
H.S. Yu, X.F. Gong, Q. Mi, W.J. Sui, and J.X. Wu, "A kind of control force sensing device for flight simulator pedal", C.N. Patent 213716239U, 2021.
[10]
A. WEH, M. HAGSPIEL, and W. Maximilian, "Pedal travel simulator for a hydraulic externally-powered vehicle brake system", W.O. Patent 2021197676, 2021.
[12]
Q. Fang, Y. Yao, and L. Fan, "Modeling and validating of electric torque load simulator", Proceedings of the First Asia International Symposium on Mechatronics, vol. 1, pp. 83-88, 2004.
[13]
R. Huang, and M. Ikeya, "Application of control method to non active control system using model reference adaptive control", J. Jpn. Soc. Mech. Eng., vol. 57, no. 544, pp. 3863-3868, 1991.
[14]
M. Ikeya, Experimental study on hydraulic type load system., National Aerospace Laboratory, 1975, pp. 1-25.
[15]
J.M. Carter, and K.E. Willis, "History of flight motion simulators used for hardware-in-the-loop testing of missile systems", Technologies for Synthetic Environments: Hardware-in-the-Loop Testing III, vol. 3368, pp. 425-431, 1998.
[17]
J.H. Ohuchi-H, "Model reference adaptive control of a hydraulic load simulator", ICFP, vol. 93, pp. 14-16, 1993.
[18]
J. Yan, "Analysis and suppression of nonlinear factors in dynamic load simulation system", J. Northwest. Polytech. Univ., vol. 16, no. 2, pp. 266-270, 1998.
[19]
Q. Hua, "Research on key technologies of electro-hydraulic load simulator", Doctoral dissertation, Beijing University of Aeronautics
and Astronautics, 2001.
[22]
C. Luo, "A restraining device for excess force in servo hydraulic system", C.N. Patent 207777310U,, 2018.
[23]
L.X. Zhang, "The load simulator using blow servo valve with interconnected pores", Proceedings of Third China-Russia-Ukraine Symposiumon Astronautical Science and Technology, vol. 9, pp. 652-655, 1994.
[25]
C.Y. Hou, "Research on the application of elastic buffer structure in the development of passive hydraulic loading system", Mach. Sci. Technol., vol. 22, no. 6, pp. 904-905, 2003.
[26]
X.L. Liu, Z. Cao, K. Yuan, Z. Li, and Y. Su, "Buffer spring for electro-hydraulic load simulator of variable pitch aircraft steering gear", C.N. Patent 208457081U, , 2019.
[27]
C. Huang, C. Liu, Y. Feng, H. Wang, H. Liu, M.H. Li, Y. Wu, Y.F. Cai, H.M. Sun, L.G. Tao, and L. Hu, "Steering gear load simulator without excess torque", C.N. Patent 207909401U, , 2018.
[28]
Z.S. Wang, J.L. Lu, and J.Y. Sun, "A rudder load simulator without excess moment", C.N. Patent 105632276B,, 2018.
[29]
Z.S. Wang, Z. Hu, L.F. Wu, Z.H. Chen, and Z.Y. Zhen, "Loading gradient servo passive loading servo load simulator", C.N. Patent 102486899B, , 2014.
[31]
H. Wang, C.G. Lu, T. Wang, and Z.T. Yang, "An electro-hydraulic loading system for aircraft steering gear with parallel and synchronous control of dual valve controlled hydraulic cylinders", C.N. Patent 108397433A,, 2018.
[32]
X.L. Liu, M.X. Jiang, and Q.M. Han, "Loading system of electro-hydraulic servo valve with parallel dual valve structure for aircraft steering gear", C.N. Patent 210034034U, 2020.
[34]
J. Li, J. Shao, B. Wang, and W.G. Han, "Study of the electro-hydraulic load simulator based on double servo valve concurrent control", 2009 9th International Conference on Electronic Measurement0 & Instruments, 2009, pp. 3-699, 2009.
[36]
C.W. Wang, J. Wang, B. Zhao, H.J. Meng, and L. Quan, "A load simulation method for flow and pressure chamber division coordinated control", C.N. Patent 107345535B, 2018.
[37]
C.W. Wang, and Z.X. Jiao, "Suppress surplus torque based on velocity closed-loop synchronization", Proceedings of 2011 International Conference on Fluid Power and Mechatronics, pp. 435-439, 2011.
[38]
H.Q. Chen, "Overcoming excess force by synchronous reverse method", In: Machine tools and hydraulics, vol. 3, 1985.
[39]
J. Zhou, "Control strategy of the synchrodrive electro-hydraulic servo system", Proceedings of International Conference on Fluid Power, pp. 365-367, 2006.
[40]
Q.H. Liu, "Electro hydraulic load simulator", C.N. Patent 2225705, 1996.
[41]
A.M. Wang, and X. Shi, "Double layer motor of electro-hydraulic servo load simulator", C.N. Patent 2296422,, 1998.
[42]
J.F. Jia, R.F. Yang, Z. Li, and J. Li, "A load simulator driven by two motors", C.N. Patent 104091485B, 2016.
[44]
Z.S. Wang, T.D. Cao, C.L. Shao, and L.F. Wu, "Dual motor active loading servo load simulator", C.N. Patent 105206132A, 2015.
[45]
D.H. Su, S.L. Wu, X.W. Fu, and Q.H. Liu, "Overcoming excess torque by using angular velocity difference based on synchronous compensation", J. Harbin Inst. Technol., vol. 32, no. 1, pp. 78-81, 2000.
[47]
J.Y. Yao, Y.X. Shang, and Z.X. Jiao, "The velocity feed-forward and compensation on eliminating extraneous torque of electro-hydraulic load simulator", Proceedings of the seventh international conference on fluid power transmission and control, pp. 462-465, 2009.
[48]
G.C. Niu, W. Wang, Z.Q. Wei, and G.H. Zong, "Torque control based on torque feedforward and rudder angle compensation", Beijing Univ. Aeronaut. Astronaut., vol. 3, pp. 300-304, 2013.
[51]
Y.X. Shang, L.Z Jiao, S. Wu, and Z.X. Xia, "Compensation control method and device based on double synchronous decoupling of speed and acceleration", C.N. Patent 108281061A, 2018.
[53]
Z.X. Jiao, Z.H. Li, Y.X. Shang, and S. Wu, "Dynamic speed synchronization control method for excess force of electro hydraulic load simulator", C.N. Patent 105956325B, 2019.
[54]
Z.X. Jiao, S.P. Wang, Q. Hua, X.D. Wang, and J.F. Tao, "Electro hydraulic load simulator with speed synchronization control.", C.N. Patent 1452065, 2005.
[55]
Z.X. Jiao, Z.H. Li, Y.X. Shang, and S. Wu, "Dynamic compensation control method of steering engine command for excess force of electro hydraulic load simulator", C.N. Patent 106055753A,, 2016.
[56]
C.W. Wang, Z.X. Jiao, and C.J. Luo, "An improved velocity synchronization control on electro-hydraulic load simulator", Hangkong Xuebao, vol. 33, no. 9, pp. 84-92, 2012.
[57]
Z.X. Jiao, S.S. Han, Y.X. Shang, J.Y. Yao, and S. Wu, "Speed synchronization control method and system of load simulator", C.N. Patent 103577244A,, 2014.
[58]
S.S. Han, Z.X. Jiao, Y.X. Shang, and C.W. Wang, "Synchronous control of electro-hydraulic load simulator based on steering gear command feedforward", Beijing Univ. Aeronaut. Astronaut., vol. 41, no. 1, pp. 124-132, 2015.
[62]
Z.X. Jiao, S.P. Wang, Q. Hua, X.D. Wang, and J.F. Tao, "Electro hydraulic load simulator with speed synchronization control", C.N. Patent 1216328C, 2005.
[63]
Y.G. Zhang, H.Z. Zhang, and Y.F. Xiong, "Decoupling adaptive control of nonlinear multivariable electro hydraulic servo system", J. Shanghai Jiaotong Univ., vol. 28, no. 2, pp. 23-30, 1994.
[64]
L.H. Liang, L. Qiang, and L.L. Zhao, "Research on feedforward compensation decoupling control of fin stabilizer electro hydraulic load simulator", Zhongguo Jixie Gongcheng, vol. 18, no. 4, pp. 439-441, 2007.
[65]
G.Q. Li, H.Y. Yang, S.C. Li, and Y. Zhao, "Research on decoupling control for electro-hydraulic load simulator", The 2012 International Conference on Advanced Mechatronic Systems, pp. 473-477, 2012.
[66]
G.Q. Li, S.C. Li, and F. Huang, "Research on decoupling control of
valve controlled asymmetric cylinder passive electro hydraulic servo
system", Machine tools and hydraulics, vol. 41, no. 1, pp. 7-10, 2013.
[67]
Y.H. Li, Z.X. Jiao, and Z.L. Wang, "Research on hybrid control method for torque load simulator of steering gear", J. Aeronaut., pp. 61-651998, .
[69]
M.Y. Wang, and B. Guo, "Electric servo load simulator based on iterative learning control", Chinese Journal of Electrical Engineering, vol. 23, no. 12, pp. 123-126, 2003.
[70]
Y.X. Fan, and Z. W. Xu, "Dynamic control method of linear actuator electric loading system ", C.N. Patent 107203184B, , 2019.
[71]
Y.X. Fan, and Z.W. Xu, "A passive load simulator and the method of suppressing excess moment", C.N. Patent 107179682A, 2017.
[72]
M.Y. Wang, "Design of electric dynamic load simulator based on recurrent neural networks", IEEE International El.ectric Machines and Drives Conference, 2003. IEMDC'03, vol. 1, pp. 207-210, 2003.
[73]
X.M. Wang, and W.G. Liu, "Neural network internal feedback control of electro-hydraulic servo loading", Aeronaut., vol. 28, no. 3, pp. 690-694, 2007.
[74]
J.W. Wang, Y.L. Hou, Q. Gao, J. Xiang, and J.X. Zhang, "Neural
network sliding mode control for electric load simulator of gun
control system", Ordnance Industry Automation, vol. 4, no. 38, p. 04, 2019.
[75]
Z.H. Yuan, J.D. Wu, and J.H. Teng, "Hybrid control of load simulator for unmanned aerial vehicle based on wavelet networks", Proceedings of the 2003 International Conference on Machine Learning and Cybernetics, vol. 2, pp. 715-719, 2013.
[76]
X.L. Liu, and Z. Li, "Intelligent control method of electro-hydraulic load simulator for steering gear based on neural network identification", C.N. Patent 109814383A,, 2019.
[82]
R. Yuan, J. Cao, G. Li, and K. Zhao, "Torque control of electrohydraulic servo system based on/spl mu/-synthesis theory", In 2006 1st International Symposium on Systems and Control in Aerospace and Astronautics,, p. 5, 2006.
[85]
C.Y. Luo, J.Y. Yao, and L. Liu, "Force control method of electro hydraulic load simulator based on fusion adaptive robustness", C.N. Patent 105159076B, 2018.
[86]
J.Y. Yao, and X. Yue, "An adaptive robust force control method for electro hydraulic load simulator", C.N. Patent 105843043B,, 2019.
[87]
X.J. Wang, Z.Y. Zhou, Q. Zhang, S. P. Wang, and X. Y. Tian, "An adaptive robust control method for electric loading system and electric loading system", C.N. Patent 111781839B, 2021.
[89]
X. Yue, J.Y. Yao, and Y. Qiu, "A robust control method of error symbolic integration for electro hydraulic load simulator", C.N. Patent 105700352B,, 2019.
[90]
X. Yue, and J.Y. Yao, "A sign integral robust control method for self adjusting error of electro hydraulic torque servo system", C.N. Patent 105867133B,, 2019.
[91]
C.Y. Luo, and J.Y. Yao, "Adaptive robust force control with expected compensation for periodic disturbances", C.N.106292280B,, 2019.
[92]
C.Y. Luo, J.Y. Yao, and H. Lu, "Adaptive robust force control with simplified periodic disturbance compensation", C.N. Patent 106707748B, , 2019.
[93]
J.Y. Yao, and C.Y. Luo, "Backstepping control method of load simulator based on extended state observer", C.N. Patent 109426150B,, 2021.
[94]
X. Yue, and J.Y. Yao, "An output feedback control method for electro hydraulic load simulator", C.N. Patent 106154833B, , 2019.