5Tomizuka M, et al. Analysis and Synthesis of Discrete-Time Repetitive Controllers. Journal of Dynamic System, Measurement, and Control. Sep. 1989,111.
6Harold L, et al. Molet Reduction of Repetitive Control Errors in Tracing of Periodic Signals: Theory and Application of Repetitive Control. The 1st. IEEE Conference on Control Applications, Vol 2.
7Tsu-chin Tsao, et al, Adaptive and Repetitive Digital Control Algorithms for Noncircuiar Control. Proc Amer,Contr Conf ,1988.
