NYK unveils sound analysis tool for anomaly detection

NYK unveils sound analysis tool for anomaly detection

Nippon Yusen Kabushiki Kaisha (NYK), MTI Co., Ltd. (MTI), and Nabtesco Corporation have developed a groundbreaking electric diagnostic tool.

The “Kirari MUSE” device is designed to record, visualise, and analyse the operational sounds of a vessel’s engine plant for early anomaly detection.

Nabtesco Corporation officially launched the sale of Kirari MUSE on 18 October.

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According to NYK, listening rods, typically made of elongated metal, have long been a trusted method for diagnosing equipment conditions in various industrial settings, including ships and factories.

By placing a listening rod on a turbine, motor, or other machinery, seafarers and engineers can capture the operational sounds of the equipment without being affected by ambient noise.

This method has been invaluable for detecting invisible abnormalities, but it does come with limitations. As NYK, MTI, and Nabtesco recognised, listening rods are unable to accumulate sound as data, making it challenging to share critical information with third parties.

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The Kirari MUSE diagnostic system comprises three key components: an electric listening rod, a dedicated smartphone for operation, and PC software.

The electric rod, a central feature of Kirari MUSE, comes equipped with a recording function, allowing seafarers to capture vital sound data.

The PC software then facilitates the recording, analysis, and sharing of these sounds during regular equipment inspections. Finally, chart and graph data are generated, offering a visual representation of the operational sound.

Sound analysis application

By accumulating sound data, Kirari MUSE aids in early anomaly detection and facilitates data sharing with maritime stakeholders.

As per NYK’s latest release, Kirari MUSE is versatile and user-friendly, not requiring external software, making it suitable for non-marine applications, as both companies reported.

Just recently, NYK and Kyushu Electric Power Co., Inc. (Kyuden) delivered the world’s first LNG-fuelled Panamax-class coal carrier.

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