Non-contact magnetostrictive sensing systems and methods

A system for sensing stress in a ferromagnetic material is provided. The system includes at least one magnetic flux device configured to induce a conditioning magnetic flux in the ferromagnetic material. The system also includes a sensor positioned proximate to the ferromagnetic material. The sensor...

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Bibliographische Detailangaben
Hauptverfasser: CAMPBELL LAM ARTHUR, SIPILÄ PEKKA TAPANI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A system for sensing stress in a ferromagnetic material is provided. The system includes at least one magnetic flux device configured to induce a conditioning magnetic flux in the ferromagnetic material. The system also includes a sensor positioned proximate to the ferromagnetic material. The sensor includes a core, at least one excitation coil configured to induce a second magnetic flux in the ferromagnetic material, and at least one detector configured to detect changes in the second magnetic flux.