Optimal Dynamic Modification of the Torsional Vibration of Crankshaft

摘要

Motion equation of the torsional vibration of crankshaft is built using lumped mass method, formulas ofsensitivity of the eigenvalue for this system to structural parameters are developed and optimal model of thecorrections of structural parameters is put forward in this paper. The results of numerical calculation show thatcorrections of structural parameters can be obtained more reasonably based on the formulas of sensitivity and theoptimal model, and then structural dynamic modification of the torsional vibration of crankshaft can be doneeffectively.