Amplitude and frequency control of a vibratory pile driver

Christopher M. Bingham, David A. Stone, Nigel Schofield, David Howe, David Peel

    Research output: Contribution to journalArticlepeer-review


    This paper describes the digital control of a vibratory pile driver in which the vibration is generated via two tandem pairs of electrically driven, geared, contra-rotating eccentrics. Experimental results are included to show the controller-induced system dynamics for a variety of load conditions, and to highlight the fact that, if the relative phase of the eccentric pairs is not controlled, the natural tendency at high excitation frequency is for the pile driver to operate with a low vibration amplitude. An analytical technique for identifying the system parameters is presented, and analytical performance predictions are compared with experimental results. Analysis of the power flow in the system shows that, although significant power transfer occurs between the two electrical drives, the net power dissipation during pile driving is relatively low.
    Original languageEnglish
    Pages (from-to)623-631
    Number of pages8
    JournalIEEE Transactions on Industrial Electronics
    Issue number3
    Publication statusPublished - 2000


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