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Título

Digital VLSI Implementation of Piecewise-Affine Controllers Based on Lattice Approach

Autor Martínez-Rodríguez, Macarena Cristina; Brox, Piedad ; Baturone, I.
Palabras clave Application-specific integrated circuits (ASICs)
Digital very-large-scale integration (VLSI)
Field programmable gate arrays (FPGAs)
Lattice
Model predictive control
Piecewise-affine (PWA)
PWA controller
Fecha de publicación 2015
EditorInstitute of Electrical and Electronics Engineers
Citación IEEE Transactions on Control Systems Technology, 23(3): 842-854 (2015)
ResumenThis paper presents a small, fast, low-power consumption solution for piecewise-affine (PWA) controllers. To achieve this goal, a digital architecture for very-large-scale integration (VLSI) circuits is proposed. The implementation is based on the simplest lattice form, which eliminates the point location problem of other PWA representations and is able to provide continuous PWA controllers defined over generic partitions of the input domain. The architecture is parameterized in terms of number of inputs, outputs, signal resolution, and features of the controller to be generated. The design flows for field-programmable gate arrays and application-specific integrated circuits are detailed. Several application examples of explicit model predictive controllers (such as an adaptive cruise control and the control of a buck-boost dc-dc converter) are included to illustrate the performance of the VLSI solution obtained with the proposed lattice-based architecture.
Versión del editorhttp://dx.doi.org/ 10.1109/TCST.2014.2345094
URI http://hdl.handle.net/10261/115068
DOI10.1109/TCST.2014.2345094
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