Monitoring Method of Piston Ring Wearing Using Magneto-Resistive Sensor for Low-Speed Marine Engine

被引：0
作者：
Zhang Y. [1 ]
Yang J. [1 ,2 ,3 ]
机构：
[1] School of Energy and Power Engineering, Wuhan University of Technology, Wuhan
[2] National Engineering Laboratory for Power Systems of Ships and Ocean Engineering, Wuhan
[3] Key Laboratory of Marine Power Engineering and Technology Transportation Industry, Wuhan
来源：
Neiranji Xuebao/Transactions of CSICE (Chinese Society for Internal Combustion Engines) | 2020年 / 38卷 / 04期
关键词：
Low-speed marine engine; Magneto-resistive sensor; Piston ring wearing;
D O I：
10.16236/j.cnki.nrjxb.202004048
中图分类号：
学科分类号：
摘要：
A three-dimensional finite element model of magnetic field calculation was established to on-line monitor the piston ring wearing using a magneto-resistive sensor for a low-speed marine engine. The influence of the axial movement and the wearing of the piston ring on the magnetic induction intensity at the monitoring point was analyzed. A test bench for monitoring the piston ring wearing was built and the change rule of output signals of the magneto-resistive sensor under different wearing conditions of the piston ring was investigated. The results show that there exists a corresponding relationship between the wearing of the piston ring and the characteristic value of the magneto-resistive sensor signals. The amplitude of the signal voltages increases with the wearing of the piston ring. The effectiveness of on-line monitoring the piston ring wearing based on the magneto-resistive sensor for a low-speed marine engine was confirmed. © 2020, Editorial Office of the Transaction of CSICE. All right reserved.
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页码：368 / 374
页数：6
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