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      New Tuning Approach of Fuzzy Logic System Using Proportional Integral Observer for Tracking a Nonlinear System

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      ScienceOpen Preprints
      ScienceOpen
      Proportional integral observer, Fuzzy proportional integral observer, Active suspension system
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            Abstract

            Proportional integral observer (PIO) for tracking a nonlinear method has a lower sentiency to cipher the state and output variables. So a more nonlinear controller has to be else to control to activity. In this paper, a fuzzy logic (FLC) controller has been added to the PIO to meliorate the calculation transmute. A fuzzy proportional integral observer (FPIO) for following a nonlinear system has been premeditated to decimate the susceptibleness to cipher the tell and turnout variables with the existent posit and product variables. The FPIO controller has been tested for improving the estimation control using a nonlinear quarter vehicle active suspension system with a nonlinear hydraulic actuator. A comparison simulation of the proposed nonlinear system for estimating the state variables and tracking the output (suspension deflection) with a set point bump road disturbance using FPIO and PIO. The comparison simulation result shows that the estimated state variables and system output match the actual ones perfectly using a fuzzy PIO controller.

            Content

            Author and article information

            Journal
            ScienceOpen Preprints
            ScienceOpen
            27 September 2021
            Affiliations
            [1 ] Dire Dawa University, Dire Dawa, Ethiopia
            Author notes
            Article
            10.14293/S2199-1006.1.SOR-.PPDXLKS.v1
            e986a7d7-f4d8-4ffe-93a5-005bedbbe5b1

            This work has been published open access under Creative Commons Attribution License CC BY 4.0 , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Conditions, terms of use and publishing policy can be found at www.scienceopen.com .


            All data generated or analysed during this study are included in this published article (and its supplementary information files).
            Electrical engineering
            Proportional integral observer,Fuzzy proportional integral observer,Active suspension system

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