[1] L. H. Ding, R. X. Wang, H. S. Feng and J. Li, “Brief Analysis of BigDog Quadruped Robot,” China Mecha nical Engineering, Vol. 23, No. 5, 2012, pp. 505-514.
[2] “BigDog—The Most Advanced Rough-Terrain Robot on Earth”. http://www.bostondynamics.com/robot_.bigdoghtml
[3] R. Playter, M. Buehler and M. Raibert, “BigDog,” Pro ceedings of SPIE 6230, Unmanned Systems Technology VIII, 62302O, Orlando, 9 May 2006.
[4] M. Buehler, R. Playter and M. Raibert, “Robots Step Out-Side,” International Symposium of Adaptive Motion of Animal and Machines, Ilmenau, September 2005, pp. 1-4.
[5] M. Raibert, K. Blankepoor and G. Nelson, “Big-Dog, the Rough-Terrain Quadruped Robot,” Proceeings of the 17th World Congress of the International Federation of Auto matic Control, Seoul, 2008, pp. 6-9.
[6] Q. Hua, “Study on the Key Technology of Electro-Hy draulic Load Simulator,” Beijing University of Aeronau tics and Astronautics, Beijing, 2001.
[7] Y. H. Li, “Research on Method to Reject to Extraneous Moment of Load Simulator,” Machine & Hydraulics, No. 2, 1999, pp. 27-30.
[8] Z. X. Jiao, Q. Hua and X. D. Wang, “Estimation for Per formance of Load Simulator,” Chinese Journal of Me chanical Engineering, Vol. 11, No. 38, 2002, pp. 26-29.
[9] Z. X. Jiao, Q. Hua and X. D. Wang, “Hybrid Control on the Electro-Hydraulic Load Simulator,” Chinese Journal of Mechanical Engineering, Vol. 12, No. 38, 2002, pp. 34-38.
[10] J. X. Gao, Q. Hua and Z. X. Jiao, “The Redundant Force of Electro-Hydraulic Loading System and the Compari son of Various Kinds of Compensation Methods,” Hy draulics Pneumatics & Seals, No. 5, 2003, pp. 1-6.
[11] H. Hu, C. H. Han, J. G. Liu and Y. Wei, “On Multivari able Feedback Decoupling Control Systems,” Control Engineering of China, Vol. 11, No. 6, 2004, pp. 500-502.
[12] N. Cherouvim and E. Papadopoulos, “Speed and Height Control for a Special Class of Running Quadruped Ro bots,” 2008 IEEE International Conference on Robotics and Automation, Pasadena, 19-23 May 2008, pp. 825-830. doi:10.1109/ROBOT.2008.4543307
[13] Q. G. Wang, “Decoupling with Internal Stability for Unity Output Feedback Systems,” Automatica, Vol. 28, No. 2, 1992, pp. 411-415.
[14] Q. G. Wang and Y. S. Yang, “Transfer function Matrix Approach to Decoupling Problem with Stability,” Sys tems & Control Letters, Vol. 47, No. 2, 2002, pp. 103-110.
[15] L. H. Liang, “Research on the Electro-Hydraulic Load Si mulator of Fin Stabilizer,” Harbin Engineering University, Harbin, 2003.
[16] L. H. Liang, Q. Liu and L. L. Zhao, “Research on Feed forward Compensation Decoupling Control for the Elec tro-Hydraulic Load Simulator of Fin Stabilizer,” China Mechanical Engineering, Vol. 4, 2007, pp. 439-411.
[17] L. B. Xian, G. Yang, X. Y. Fu and B. R. Li, “Study on the Position/Force Control of an Electro-Hydraulic Actuator Based on AMEsim/Simulink,” Machine Tool & Hydrau lics, Vol. 35, No. 5, 2007, pp. 205-207.
[18] L. He, “Study on Control and Energy Saving Characteris tics of Hydraulic Secondary Regulated Inertia Loading System,” Yanshan University, Qinhuangdao, 2009.