Discrete-time model reference control of milling forces under fractional order holds. Part II : extensions to adaptive control

Rubio, Luis and De la Sen, Manuel and Ibeas, Asier; (2006) Discrete-time model reference control of milling forces under fractional order holds. Part II : extensions to adaptive control. In: IEEE Conference on Emerging Technologies and Factory Automation, 2006. IEEE, Piscataway, New Jersey, pp. 1005-1008. ISBN 0780397584

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Abstract

In this paper, a novel discrete-time model-reference based control of the tool-work-piece interaction force in a milling process has been designed. The novelty of the scheme relies on the use of a fractional order hold (FROH) instead of a ZOH to obtain the discrete model of the plant. The additional degree of freedom provided by the FROH allows improve the closed-loop behavior of the time-varying unknown system by an adequate selection of its gain, as simulation results have pointed out.