挖掘机作业供电线路参数辨识

S. I. Malafeev, Y. V. Tikhonov
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引用次数: 0

摘要

本文在对挖掘机在挖掘周期中耗电和回电两种工作模式下的输入电流和电压进行数学处理的基础上,研究了挖掘机供电线路有源电阻和感应电阻的测量方法。估计了使用不同等级指数的线性换能器时的测量误差参数。将所开发的电力线参数控制模块作为职业挖掘机信息诊断系统的一部分,通过对挖掘机电气系统的仿真验证了该方法的有效性。
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Identification of parameters of power line supplying excavator in career
The paper considers the method for measurement of active and inductive resistances of the power line supplying career excavators based on mathematical processing of current and voltage at the input of the excavator in two modes of operation — power consumption and power recuperation during the excavation cycle. Parameters of measurement errors when using the line transducers of different class index numbers have been estimated. The effectiveness of the method has been confirmed by simulation of an excavator electrical system practical use of the developed module for controlling parameters of power line as a part of the information-diagnostic system designed for career excavators.
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