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首页> 外文会议>International Conference on Fluid Power Transmission and Control(ICFP' 2005); 20050405-08; Hangzhou(CN) >Sensorless Condition Monitoring of a Submerged Pump
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Sensorless Condition Monitoring of a Submerged Pump

机译：潜水泵的无传感器状态监测

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摘要

A new sensorless condition monitoring of a submerged pump in a hydraulic system on the basis of motor current signature analysis is proposed. Theoretical analysis and experimental verifications confirmed that the malfunctions of pump can be detected in a cost-effective and noninvasive way by employing the current of the driving electrical motor of pump as the monitoring signal. The relationship between the pump conditions and the driving motor current are discussed first. Then the monitoring strategy using intelligent pattern recognition technique, particularly neural network, is studied. Moreover, the experimental verifications are conducted on a Hydraulic System Condition Monitoring Test Rig to validate the proposed monitoring method. The benefits of the proposed approach are multiple. Firstly, condition information of pump is embedded in the current signal of its driving motor and it is a sensorless and intrusive method. Secondly, it is cost-effective to perform system maintenance using this approach. Finally, the proposed method has potential use for any pump configurations driven by electrical motors.
机译：提出了一种基于电动机电流特征分析的液压系统潜水泵无传感器状态监测的新方法。理论分析和实验验证证实，通过将泵的驱动电动机的电流用作监视信号，可以以经济有效且无创的方式检测泵的故障。首先讨论泵条件与驱动电动机电流之间的关系。然后研究了使用智能模式识别技术（尤其是神经网络）的监视策略。此外，在液压系统状态监测测试装置上进行了实验验证，以验证所提出的监测方法。提议的方法的好处是多方面的。首先，将泵的状态信息嵌入到其驱动电机的电流信号中，这是一种无传感器的侵入式方法。其次，使用这种方法执行系统维护具有成本效益。最后，所提出的方法对于由电动机驱动的任何泵配置具有潜在的用途。

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