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抽油机示功图曲线跟踪 被引量:6

Curve Tracking Algorithms About Indicator Card of Pumping Wells
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摘要 提出了将机械式示功仪绘制的示功图准确、快速输入计算机的新方法 ,即将绘制的示功图通过扫描仪输入计算机 ,经过图像预处理后 ,再进行曲线跟踪 ,将示功图矢量化 ,为后续示功图的准确识别创造有利条件 .文中给出了两种曲线跟踪算法 。 A new method of accurate and quick input computer of the indicator card through mechanical indicator drawing is proposed in this paper, namely in which the indicator card drawing firstly is input computer by the scanning apparatus, and carried on the curve tracking again to gain the vectorization of the engineering drawing after the image pretreatment, thereby creating the accurate advantageous condition of recognition of follow up indicator card. In the paper, we put forward two kinds of curve tracking algorithms which can remove noise in the indicator card scanning to reduce its influence on the indicator card distinguishes.
出处 《小型微型计算机系统》 CSCD 北大核心 2003年第3期614-616,共3页 Journal of Chinese Computer Systems
关键词 抽油机 示功图 曲线跟踪 油井 故障诊断 模式识别 数字化 indicator card failure diagnosis model recognition digitalization.
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