COMPUTER-IMPLEMENTED METHOD FOR DETERMINING AN OPERATING PROPERTY OF A PUMPJACK, ANALYSIS DEVICE AND PUMP SYSTEM THEREFOR

摘要

A computer-implemented method for determining an operating property of a pumpjack (1), wherein the pump (1) has a pump head (110, 111) that is connected to a kinematic converter (120) via a rod (5, 10), and the kinematic converter (120) is driven during operation by a motor (3), and a load-travel characteristic curve with curve points for the pump (1) is ascertained by an analysis device (140) using an acquisition means (130) and is provided in the form of an operating load-travel characteristic curve (DC1-DC5) with operating curve points, wherein the analysis device (140), in a training mode, provides at least one model load-travel characteristic curve with respective model curve points that is normalized to a predefined reference variable, and at least two subsets of the model curve points are acquired as a first and at least one second feature on the basis of machine learning, and the first and the at least one second feature are generated and trained with a k-means algorithm in the form of at least one random forest model and, in an operating mode, the operating curve points are normalized to the reference variable and a check is performed as to whether there is similarity between at least one subset of the operating curve points and the at least one random forest model, and if so, the operating property of the pump (1) is determined therefrom.