Discontinuous Stabilizing Control of Skid-Steering Mobile Robot (SSMR)

Fady Ibrahim, A. A. Abouelsoud, Ahmed M.R. Fath El Bab, Tetsuya Ogata

    Research output: Contribution to journalArticle

    Abstract

    A discontinuous stabilizing control of Skid-Steering Mobile Robot (SSMR) is proposed using σ transformation introduced in Astolfi (Syst. Control Lett. 27(1), 37–45, 1996). A linear time-invariant system (LTI) is obtained which is driven by state-dependent disturbance. A linear H controller is designed to reduce the effect of this disturbance. Two control transformations are carried out in order to bring the system in a form suitable for σ transformation; one for the case of SSMR orientation around 0 and π and the other around ± π/2. The resulting two controllers for the two cases are blended using fuzzy logic. The closed-loop system is simulated using Matlab environment on point stabilization from different initial conditions. Results show that the proposed controller guarantees asymptotic stability with smooth paths. Experimental results are consistent with simulation and show that the proposed controller succeeded to stabilize the SSMR to the desired point without shuttering.

    Original languageEnglish
    Pages (from-to)1-14
    Number of pages14
    JournalJournal of Intelligent and Robotic Systems: Theory and Applications
    DOIs
    Publication statusAccepted/In press - 2018 Apr 23

    Fingerprint

    Mobile robots
    Controllers
    Asymptotic stability
    Closed loop systems
    Fuzzy logic
    Stabilization

    Keywords

    • Discontinuous control
    • Fuzzy logic
    • Genetic algorithm
    • H control
    • Skid-steering mobile robot
    • σ transformation

    ASJC Scopus subject areas

    • Software
    • Control and Systems Engineering
    • Mechanical Engineering
    • Industrial and Manufacturing Engineering
    • Artificial Intelligence
    • Electrical and Electronic Engineering

    Cite this

    Discontinuous Stabilizing Control of Skid-Steering Mobile Robot (SSMR). / Ibrahim, Fady; Abouelsoud, A. A.; Fath El Bab, Ahmed M.R.; Ogata, Tetsuya.

    In: Journal of Intelligent and Robotic Systems: Theory and Applications, 23.04.2018, p. 1-14.

    Research output: Contribution to journalArticle

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    AU - Ogata, Tetsuya

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