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A methodology for image-based measurement of plate movement in disengaged wet clutches

Scientific reports, 2024-04, Vol.14 (1), p.7631-7631 [Peer Reviewed Journal]

2024. The Author(s). ;The Author(s) 2024. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;The Author(s) 2024 ;EISSN: 2045-2322 ;DOI: 10.1038/s41598-024-58012-y ;PMID: 38561374

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  • Title:
    A methodology for image-based measurement of plate movement in disengaged wet clutches
  • Author: Pointner-Gabriel, Lukas ; Flamm, Simon ; Schneider, Thomas ; Stahl, Karsten
  • Subjects: Accuracy ; Algorithms ; Cameras ; Compressed air ; Drag losses ; Edge detection ; Investigations ; Object identification ; Plate movement ; Sensors ; Strain gauges ; Wet clutch
  • Is Part Of: Scientific reports, 2024-04, Vol.14 (1), p.7631-7631
  • Description: The drag loss behavior of a disengaged wet clutch is influenced, among other things, by the movement of the plates. Therefore, knowledge about the plate movement is essential for investigating and optimizing the drag loss behavior. This paper presents a methodology for image-based measurement of plate movement in disengaged wet clutches. A drag torque test rig is equipped with a camera to create the image series. The oil displacement from the measuring zone is crucial to obtain permanent optical access to the clutch pack. The rough plate positions are determined by segmentation using thresholding and template matching. Using the Canny edge detector significantly improves the accuracy of the position evaluation. The plate positions are finally converted into a metric unit based on the real plate thicknesses. The clearances are calculated from the determined positions of two adjacent plates. In the ideal case, an evaluation accuracy in the range of a few micrometers can be achieved. The image evaluation methodology is universally applicable to different clutch sizes, friction systems, plate types, and plate numbers. The methodology enables researchers to generate fundamental knowledge and derive design guidelines based on this, for example. In the development phase, it can also be used to optimize the design and operating parameters.
  • Publisher: England: Nature Publishing Group
  • Language: English
  • Identifier: EISSN: 2045-2322
    DOI: 10.1038/s41598-024-58012-y
    PMID: 38561374
  • Source: PubMed Central
    Directory of Open Access Journals
    ProQuest Central
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