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yi zhong gai jin xing dian hu chuan gan han feng pian cha ti qu suan fa
Author(s): 
Pages: 4-7
Year: Issue:  6
Journal: Welding Technology

Keyword:  电弧传感器积分差值法提取精度;
Abstract: 针对普通左右区域积分差值法存在的非线性问题,结合直接测位法,提出了一种改进型左右区域积分差值法。通过对采样电流最小值点对应时间ta的先取,实现了积分差值ΔS与偏离量e之间的线性化,使得计算相对简单化。最后通过MATLAB试验证明:相比于普通左右区域积分差值法,本改进型算法有效地提高了焊炬横向偏离信息的提取精度。
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