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Journal Articles Control Engineering Practice Year : 2023

A survey on the discrete-time differentiators in closed-loop control systems: experiments on an electro-pneumatic system

Loïc Michel
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Abstract

This paper is dedicated to the experimental analysis of discrete-time differentiators implemented in closed-loop control systems. To this end, two laboratory setups, namely an electro-pneumatic system and a rotary inverted pendulum have been used to implement 25 different differentiators. Since the selected laboratory setups behave differently in the case of dynamic response and noise characteristics, it is expected that the results remain valid for a wide range of control applications. The validity of several theoretical results, which have been already reported in the literature using analytical analysis and numerical simulations, has been investigated, and several comments are provided to allow one to select an appropriate differentiation scheme in practical closed-loop control systems.
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hal-04534678 , version 1 (05-04-2024)

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Mohammad Rasool Mojallizadeh, Bernard Brogliato, Andrey Polyakov, Sevarajan Subischa, Loïc Michel, et al.. A survey on the discrete-time differentiators in closed-loop control systems: experiments on an electro-pneumatic system. Control Engineering Practice, 2023, 136 (105546), pp.1-23. ⟨10.1016/j.conengprac.2023.105546⟩. ⟨hal-04534678⟩
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