McFarlane, D. and Glover, K. "A Loop Shaping Design Procedure Using
H∞ Synthesis," IEEE Trans. Automatic Control, vol. 37, No. 6,
 Shi-Liang Zhou, Pu Han, Dong-Feng Wang and Yu-Yan Liu, "A kind of
multivariable PID design method for chaos system-using H∞ loop shaping
design procedure," Proc. of 2004 Int. Conf. , Machine Learning and
Cybernetics, vol. 2, pp. 796-801, 2004.
 Acevedo, S.S., Giraldo, E and Giraldo, D., "Speed Control of Induction
Motor Using Robust Control with LSDP," Electronics, Robotics and
Automotive Mechanics Conference, 2008, pp. 350-353.
 Maekawa, Y., Yubai, K. and Hirai, J., "Design of gain-scheduling
controller based on interpolation of loop shaping H∞ controller," IEEE
International Workshop, 2006, pp. 29-32.
 T. S. Hwang and J. K. Seok, "Observer-based ripple force compensation
for linear hybrid stepping motor drives," IEEE Trans. Ind. Electron. , vol.
54, No. 5, pp. 2417-2424, 2007.
 M. Y, Cheng and C. C. Lee, "Motion Controller Design for
Contour-Following Tasks based on Real-Time Contour Error
Estimation, " IEEE Trans. Ind. Electron. , vol. 54, No. 3, pp. 1686-1695,
 R. J. Wai and C. C. Chu, "Motion Control of linear induction motor via
Petri Fzzy neural network," IEEE Trans. Ind. Electron. , vol. 54, No. 1, pp.
 Y. X. Su, C. H. Zheng, and B. Y. Duan, "Automatic disturbances rejection
controller for precise motion control of permanent-magnet synchronous
motors," IEEE Trans. Ind. Electron. , vol. 52, No. 3, pp. 814-823, 2005.
 Glover, K. and McFarlane, D. "Robust stabilization of normalized
coprime factor plant descriptions with H∞-bounded uncertainly," IEEE
Trans. Automatic Control, vol. 34, pp.821-830, 1989.