2004•中国机械工程学报Requires access

THEORETICAL STUDY OF AN OSCI-LLATING WAVEFORM FUNCTION AND PARAMETERS FOR CONTROLLING THE NON-SINUSOIDAL OSCILLATION OF A MOLD

RenTingzhi, LiuCai

Abstract

A new non-sinusoidal oscillation waveform is constructed for controlling the mold oscillation during continuous casting. Casting velocity and oscillation parameters are then established for a computer model of the continuous casting process. The waveform distortion coefficient e of waveform function is close to the waveform distortion rate α, so e is taken for e when the basic parameters are selected initially. The waveform function can be created for the servo hydraulic system or the mechanical driving system. Industrial scale experiments show the waveform function is effective.

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Key concepts: Waveform, Non-sinusoidal waveform, Oscillation (cell signaling), Distortion (music), Acoustics, Control theory (sociology), Function (biology), Materials science