Comparison of Various Dynamic Balancing Principles Regarding Additional Mass and Additional Inertia

Volkert van der Wijk, Bram Demeulenaere, Justus Laurens Herder

    Research output: Contribution to journalArticleAcademic

    75 Citations (Scopus)


    The major disadvantage of existing dynamic balancing principles is that a considerable amount of mass and inertia is added to the system. The objectives of this article are to summarize, to compare, and to evaluate existing complete balancing principles regarding the addition of mass and the addition of inertia and to introduce a normalized indicator to judge the balancing performance regarding the addition of mass and inertia. The balancing principles are obtained from a survey of literature and applied to a double pendulum for comparison, both analytically and numerically. The results show that the duplicate mechanisms principle has the least addition of mass and also a low addition of inertia and is most advantageous for low-mass and low-inertia dynamic balancing if available space is not a limiting factor. Applying countermasses and separate counter-rotations with or without an idler loop both increase the mass and inertia considerably, with idler loop being the better of the two. Using the force-balancing countermasses also as moment-balancing counterinertias leads to significantly less mass addition as compared with the use of separate counter-rotations. For low transmission ratios, also the addition of inertia then is smaller
    Original languageEnglish
    Pages (from-to)041006
    Number of pages9
    JournalJournal of mechanisms and robotics
    Issue number4
    Publication statusPublished - 2009


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