To achieve high rate of data transfer, tape mechanisms must be able to transport the tape with a constant velocity for scanning. During this process, it is desired to make the rise time minimized without timing and data transfer errors. In this paper, three servo systems including the take-up and supply reel servos for tape tension control and capstan servo for speed control are considered. So, tape transport mechanisms can be described with a nonlinear multi-input multi-output system (MIMO). After state-space representation of the problem, feedback control is designed for tracking objective. It should be mentioned that an increase in the speed of time response of system corresponds to an increase in the control signal and leads to additional cost. So, the eigenvalues and eigenvectors are chosen optimally until an appropriate response is achieved while the gains of feedback matrix remain small simultaneously.
Performance Control of a Tape Transport Mechanism Using Entire Eigenstructure Assignment
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Moradi, H, Hajikolaei, KH, Motamedi, M, & Alasty, A. "Performance Control of a Tape Transport Mechanism Using Entire Eigenstructure Assignment." Proceedings of the ASME 2009 International Mechanical Engineering Congress and Exposition. Volume 10: Mechanical Systems and Control, Parts A and B. Lake Buena Vista, Florida, USA. November 13–19, 2009. pp. 133-140. ASME. https://doi.org/10.1115/IMECE2009-11200
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