The invention discloses an elevator longitudinal vibration suppression method based on segmented input shaping parameters. The elevator longitudinal vibration suppression method comprises the following steps that 1, an elevator longitudinal vibration dynamic model is established; 2, establishing a lifting curve based on a quintic polynomial, wherein the lifting curve comprises an acceleration stage, a constant speed stage and a deceleration stage; 3, on the basis of the lifting curve, neglecting the effects of speed and acceleration, carrying out modal analysis on the longitudinal vibration of the elevator along with the change of the lifting position, and obtaining a first-order modal frequency along with the change of the lifting position; 4, introducing an input shaper, and obtaining a pulse sequence function based on the modal frequency; and 5, shaping the target lifting curve by stages by using an input shaper, assembling the shaped acceleration curves of the acceleration stage, the constant speed stage and the deceleration stage to obtain a total acceleration curve, and obtaining a total speed curve, a total displacement curve and a total jump curve based on the total acceleration curve, namely obtaining the shaped target lifting curve.
本发明公开了一种基于分段输入整形参数的提升机纵向振动抑制方法,包括如下步骤:步骤一:建立提升机纵向振动动力学模型;步骤二:基于五次多项式建立提升曲线,所述提升曲线包括加速阶段、匀速阶段和减速阶段;步骤三:以提升曲线为基础,忽略速度和加速的作用,进行提升机纵向振动随提升位置变化的模态分析,得到随提升位置变化的第一阶模态频率;步骤四:引入输入整形器,基于模态频率得到脉冲序列函数;步骤五:利用输入整形器对目标提升曲线分阶段进行整形,将整形后的加速阶段、匀速阶段和减速阶段的加速度曲线进行组装,得到总加速度曲线,基于总加速度曲线,得到总速度曲线、总位移曲线和总跃度曲线,即得到整形后的目标提升曲线。
Elevator longitudinal vibration suppression method based on segmented input shaping parameters
基于分段输入整形参数的提升机纵向振动抑制方法
2024-05-28
Patent
Electronic Resource
Chinese