CAJ | 학술논문

为了确定板带连轧中多台轧机振动的起振顺序,首先在形态非抽样小波一般框架的基础上,构造了一种基于多尺度平均滤波器的形态非抽样小波.然后通过仿真实验,得到此形态非抽样小波尺度与频率之间的关系.最终利用基于多尺度平均滤波器的形态非抽样和 S 变换的方法对轧机振动信号进行分析,成功提取了故障频率的起振时间,确定了轧机的起振顺序.
위료학정판대련알중다태알궤진동적기진순서,수선재형태비추양소파일반광가적기출상,구조료일충기우다척도평균려파기적형태비추양소파.연후통과방진실험,득도차형태비추양소파척도여빈솔지간적관계.최종이용기우다척도평균려파기적형태비추양화 S 변환적방법대알궤진동신호진행분석,성공제취료고장빈솔적기진시간,학정료알궤적기진순서.
@@@@A algorithm was proposed to distinguish the initial vibration of rolling mills in tandem rolling. Firstly, a new morphological un-decimated wavelet (MUDW) based on a multi-scale average filter is developed according to the MUDW’s general structure. Then the relationship between the new MUDW scale and real frequency is found by simulation experiment. Finally the time information of fault frequency from rolling mill vibration signals is extracted using the algorithm based on the new MUDW and S-transform.