Synthesis and Implementation of a Robust Fixed Low-Order Controller for Uncertain Systems

Advancements in microelectronics and software allow the use of embedded systems in the implementation of some control laws. In this work, the STM32 microcontroller is exploited in order to implement a robust fixed low-order controller on an electronic system. Parametric uncertainty model is employed...

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Bibliographic Details
Published in:Arabian Journal for Science and Engineering Vol. 41; no. 9; pp. 3645 - 3654
Main Authors: Ben Hariz, Maher, Bouani, Faouzi
Format: Journal Article
Language:English
Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.09.2016
Subjects:
Computer programs
Controllers
Efficiency
Engineering
Humanities and Social Sciences
Mathematical models
Mathematical programming
multidisciplinary
Optimization
Research Article - Electrical Engineering
Robust control
Science
Uncertainty
Robust controller
Uncertain systems
Global optimization
Time response specifications
STM32 microcontroller
ISSN:1319-8025, 2191-4281
Online Access:Get full text
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Summary:Advancements in microelectronics and software allow the use of embedded systems in the implementation of some control laws. In this work, the STM32 microcontroller is exploited in order to implement a robust fixed low-order controller on an electronic system. Parametric uncertainty model is employed to describe the system behavior, and the controller objective is to guarantee some time response specifications in the presence of model uncertainties. The controller design is expressed as a min-max non-convex optimization problem while taking into account the desired closed-loop performances and uncertainties. Accordingly, with the aim of obtaining an optimal solution and then an optimal control law, the application of a global optimization method is recommended. In this work, the exploited global optimization method is the generalized geometric programming. The implementation of a proportional integral controller, a proportional integral derivative controller and the fixed low-order controller shows the efficiency of the latter one.
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ISSN:1319-8025
2191-4281
DOI:10.1007/s13369-016-2247-7