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    Advances in sensing for real-time monitoring of tribological parameters

    Liskiewicz, T ORCID logoORCID: https://orcid.org/0000-0002-0866-814X, Sherrington, I, Khan, T and Liu, Y (2023) Advances in sensing for real-time monitoring of tribological parameters. Tribology International, 189. 108965. ISSN 0301-679X

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    Abstract

    The wider availability of low-cost sensing and data acquisition technologies means that real-time sensing of tribological parameters is becoming increasingly viable. Consequently, the potential to use these technologies to monitor in-service tribological components has increased significantly. This paper presents a review of a number of state-of-the-art in sensors for measuring friction, wear and lubricant properties. It also elaborates on the use of sensor coatings as an emerging area for directly probing the tribological interface. It is concluded that sensors will find ever increasing uses in condition monitoring” applications. However, sensing and tribology is beginning to evolve towards “Tribotronics” where combining the sensing of machine elements that have conventionally been passive with computational capability, or even embedded intelligence, along with actuation can create active machine elements, optimised to operate with say minimum power loss in all situations of duty. Additionally, it is noted that by incorporating sensing and responsive capabilities, functional surfaces can also become part of a bigger connected systems particularly in association with Industry 4.0. Increased use of sensors in tribological components alongside machine learning and artificial intelligence, will also support the shift in industrial tribological analytics.

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