Vibration controllability of 3d flexible manipulators

S. Lopez-Linares, A. Konno, M. Uchiyama

    Research output: Contribution to journalArticlepeer-review

    8 Citations (Scopus)

    Abstract

    Structural vibrations of flexible robots are not always fullycontrollable in all the workspace. In some cases, there exist configurations where the actuators cannot affect some of thevibration modes, and thus cannot control their vibrations. Thisproblem has been neglected in the case of the one-link and twolinkplanar manipulators; however, it must be dealt with indepth when trying to control a 3D flexible robot. This paperdiscusses the vibration controllability of flexible manipulators.Vibration uncontrollable conflgurations are estimated both bythe minimum singular values of the controllability matrix andthe closed-loop behavior. A 2-link 3-joint prototype flexible manipulatoris used for a case study, and the uncontrollable configurationsof the manipulator are found.

    Original languageEnglish
    Pages (from-to)326-330
    Number of pages5
    JournalJournal of Dynamic Systems, Measurement and Control, Transactions of the ASME
    Volume119
    Issue number2
    DOIs
    Publication statusPublished - 1997 Jun

    ASJC Scopus subject areas

    • Control and Systems Engineering
    • Information Systems
    • Instrumentation
    • Mechanical Engineering
    • Computer Science Applications

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