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A Robust Exact Differentiator Toolbox for Matlab®/Simulink®

Reichhartinger, M; Spurgeon, SK; Forstinger, M; Wipfler, M; (2017) A Robust Exact Differentiator Toolbox for Matlab®/Simulink®. IFAC-PapersOnLine , 50 (1) pp. 1711-1716. 10.1016/j.ifacol.2017.08.497. Green open access

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Abstract

This paper demonstrates the functionality and ease of use of a recently implemented robust exact differentiator block for numerical simulations performed within the Matlab/Simulink software environment. It is demonstrated that the differentiator block may be used for various applications and may be easily integrated within existing Simulink models. The underpinning discrete-time differentiation algorithm is briefly outlined and its parameters for differentiator orders up to 10 are presented. An extended version of the toolbox supports the so-called automatic code generation feature of Matlab/Simulink. This functionality allows compilable code to be produced for many available hardware platforms. Three applications are presented in the paper, two of which require the generation of executable code. The third simulation-based application presents a differentiator based edge detection algorithm for image processing purposes which directly utilises the Simulink block. The three applications employ differentiators of order 4, 3 and 2, respectively.

Type: Article
Title: A Robust Exact Differentiator Toolbox for Matlab®/Simulink®
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.ifacol.2017.08.497
Publisher version: https://doi.org/10.1016/j.ifacol.2017.08.497
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Differentiators, robust estimation, software tools, nonlinear control systems, control applications
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10027530
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