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A geometric approach to pulse-width modulated control in nonlinear dynamical systems

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1 Author(s)
Sira-Ramirez, H. ; Dept. Sistemas de Control, Univ. de Los Andes, Merida, Venezuela

The author demonstrates, under the assumption of high-frequency control switchings, the existence of an ideal equivalence among sliding regimes of variable-structure feedback control and pulse-width-modulated (PWM) control responses in nonlinear dynamical systems. This equivalence constitutes the basis for a geometric approach approach to PWM control loops design. An illustrate example of energy conversion in a lossless switched-controlled bilinear network is presented

Published in:

Automatic Control, IEEE Transactions on  (Volume:34 ,  Issue: 2 )