弹药协调器等效模型主要参数辨识方法

Main Parameter Identification Method of Shell Transfer Arm's Equivalent Model

为在弹药协调器故障诊断研究中建立精确的动力学模型,对其等效模型主要参数辨识方法进行研究。建立弹药协调器等效模型的数学模型,给出时间序列相似度计算方法,使用粒子群算法对模型中的主要参数进行辨识。结果显示:粒子群算法在弹药协调器等效模型的主要参数辨识中精度达到1.1%和1.4%,可为弹药协调器的动力学建模提供关键参数。

Aiming at establish accurate dynamic modeling in the research of fault diagnosis of shell transfer arm, research on main parameter identification method of shell transfer arm’s equivalent model. The mathematical model is established on the equivalent model of shell transfer arm, and the time series similarity evaluation method is established. The PSO algorithm is used to identify the main parameters in model. The results show that the accuracy of PSO in the main parameter identification of the shell transfer arm＇s equivalent model can achieve 1.1% and 1.4%. It can provide key parameter in the dynamic modeling of shell transfer arm.