基于Kalman滤波的磁控旋转电弧传感器焊缝跟踪偏差预测

发布时间：2018-04-02 10:14

本文选题：磁控　切入点：旋转电弧　出处：《焊接学报》2015年05期

【摘要】：针对磁控摆动电弧扫描焊缝获取有用信息量少的问题,提出了一种基于Kalman滤波的磁控旋转电弧传感器焊缝跟踪偏差预测方法.文中简述了磁控旋转电弧传感器的基本原理,对磁控旋转电弧的运动轨迹进行了仿真,利用位置传感器对电弧进行定位,采用四分圆周采样法,运用Kalman滤波原理进行滤波处理,分析了这种方法的基本原理和计算步骤,在此基础上得到空间曲线焊缝的偏差信息,并引入加权预测矫正因子对焊缝的偏差信息进行预测矫正.结果表明,该方法用于磁控旋转电弧焊缝自动跟踪可行,提高了焊缝跟踪的精度,为预测方法用于焊缝偏差算法提供了科学依据.
[Abstract]:Aiming at the problem of less useful information obtained by magnetic control swinging arc scanning welding seam, a method of predicting weld seam tracking deviation of magnetic control rotating arc sensor based on Kalman filter is proposed. The basic principle of magnetic control rotating arc sensor is briefly described in this paper. The motion trajectory of magnetically controlled rotating arc is simulated. The position sensor is used to locate the arc. The quadrilateral circumferential sampling method and Kalman filter principle are used to filter the arc. The basic principle and calculation steps of this method are analyzed. On the basis of this, the deviation information of the space curve weld is obtained, and the weighted predictive correction factor is introduced to predict and correct the deviation information of the weld. The results show that the method is feasible for the automatic tracking of the magnetic controlled rotating arc weld. The precision of weld seam tracking is improved, and the scientific basis is provided for predicting the weld seam deviation algorithm.
【作者单位】：湘潭大学复杂轨迹加工工艺及装备教育部工程研究中心;
【基金】：湖南省战略性新兴产业产学研结合创新平台创新能力资助项目(2012GK4100) 湖南省高校科技创新团队项目资助湖南省自然科学省市联合基金资助项目(2015JJ5013)
【分类号】：TG409

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