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Article Dans Une Revue Control Engineering Practice Année : 2023

A data-driven control methodology applied to throttle valves

Résumé

Electric throttle valves represent a challenge for control design, as their dynamics involves strong nonlinearities, characterized by an asymmetric hysteresis. Large variability in the characteristics of each valve and erratic steady-state behaviors can also be noticed by carrying out experiments on multiple valves, impairing classical model-based control strategies. Nevertheless, local data-driven linear models can be obtained by system identification, and simple proportional-integral (PI) digital controllers can be tuned individually for each valve, providing good tracking performance. As these controllers cannot be transposed from one valve to another, a robust control design is considered. Taking into account the variability of electric throttle valves, a real-time data-driven strategy is then proposed, using identification in closed-loop and controller redesign. This methodology is necessary if control performance is a key issue, and can be embedded on a low-cost controller board (Arduino ® Mega 2560). Experimental results going from frequency analysis and linear design to real-time data-driven control illustrate the methodology presented in the paper.
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Dates et versions

hal-04218532 , version 1 (26-09-2023)

Identifiants

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Emmanuel Witrant, Ioan Doré Landau, Marie-Pierre Vaillant. A data-driven control methodology applied to throttle valves. Control Engineering Practice, 2023, 139 (October), pp.105634. ⟨10.1016/j.conengprac.2023.105634⟩. ⟨hal-04218532⟩
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