Design of controllers for decoupled TITO systems using different decoupling techniques

Hariz, Maher Ben; Bouani, Faouzi

doi:10.1109/mmar.2015.7284035

Cited by 10 publications

(1 citation statement)

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“…The design of controllers for multiple inputs multiple outputs (MIMO) systems was presented in Ben Hariz and colleagues. [24][25][26] In this article, we propose the design and the implementation of a robust fixed low-order controller for uncertain systems. The proposed controller must guarantee some closed-loop specifications.…”

Section: Introductionmentioning

confidence: 99%

Comparison between robust and multi-model controllers

Hariz

Bouani

2017

Proceedings of the Institution of Mechanical Engineers, Part I:

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Advances in microelectronics and software allow the implementation of some control laws in embedded systems. In this work, the STM32 microcontroller is used to implement a robust fixed low-order controller for linear systems. The parametric uncertainty model is employed to describe the system behavior and the controller objective is to ensure, in the presence of model uncertainties and disturbances at the plant output, some specified time response performances. The controller design is expressed as a min–max non-convex optimization problem while taking into consideration uncertainties and the desired closed-loop specifications. Consequently, the use of a local optimization method to resolve such kind of problem may lead to a local solution and then, the obtained control law is not optimal. Therefore, with the purpose of obtaining an optimal solution which will be able to satisfy the desired specifications, the application of a global optimization method is recommended. The optimization method exploited in this work is the generalized geometric programming. In order to evaluate the performances of the proposed method, the implementation of a fixed low-order controller by applying the multi-model approach is also considered.

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Section: Introductionmentioning

confidence: 99%