A High Sensitivity and Throughput Inductive Debris Sensor Using a Built-In Planar Energizing Coil

Wan, Zhenzhi; Wang, Yanxue; Du, Cong

doi:10.1109/tim.2023.3342211

IEEE Trans. Instrum. Meas.

2024

DOI: 10.1109/tim.2023.3342211

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A High Sensitivity and Throughput Inductive Debris Sensor Using a Built-In Planar Energizing Coil

Zhenzhi Wan,

Yanxue Wang,

Cong Du

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A Method for Aliasing Metal Particle Recognition Based on Three-Coil Sensor Using Frequency Conversion

Wu,

Xie,

Wang

et al. 2024

JMSE

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The diesel engine on a ship is crucial as it serves as the primary power source, significantly influencing both the vessel’s efficiency and safety. Monitoring metal wear particles found in lubricating oil is essential for assessing the lubrication condition of mechanical equipment onboard and anticipating potential failures. Analyzing these metal wear particles allows us to gauge the wear status of bearing pairs within the machinery, thereby providing a technical foundation for routine maintenance activities. However, under real operating conditions, it can be challenging to prevent multiple metal particles from simultaneously passing through sensors. To address this issue, this research introduces an innovative three-coil induction sensor that employs a variable-frequency excitation technique to explore how induction and eddy currents interact. The findings indicate that when the excitation frequency changes, the peak value of the signal from 337 μm iron particles only increases by 3.35 times, while the peak value of the signal from 340 μm copper particles increases by 22.69 times. Consequently, this study recommends using changes in excitation frequency to differentiate between mixed metal particles made of various materials.

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A Method for Aliasing Metal Particle Recognition Based on Three-Coil Sensor Using Frequency Conversion

Wu,

Xie,

Wang

et al. 2024

JMSE

View full text Add to dashboard Cite

show abstract

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A High Sensitivity and Throughput Inductive Debris Sensor Using a Built-In Planar Energizing Coil

Cited by 1 publication

References 28 publications

A Method for Aliasing Metal Particle Recognition Based on Three-Coil Sensor Using Frequency Conversion

A Method for Aliasing Metal Particle Recognition Based on Three-Coil Sensor Using Frequency Conversion

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