OPTICAL FIBER SENSOR, DISTRIBUTED TYPE PRESSURE SENSOR, AND SENSOR SIGNAL PROCESSOR
PROBLEM TO BE SOLVED: To detect a stress applied from an object, separately into a plurality of directions (a vertical direction, a shearing direction) by a comparatively simple structure. SOLUTION: An FBG (Fiber Bragg Grating) sensor 22 includes stress detection sensor parts 27 made up from optical...
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Format | Patent |
Language | English |
Published |
17.03.2011
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Abstract | PROBLEM TO BE SOLVED: To detect a stress applied from an object, separately into a plurality of directions (a vertical direction, a shearing direction) by a comparatively simple structure. SOLUTION: An FBG (Fiber Bragg Grating) sensor 22 includes stress detection sensor parts 27 made up from optical fibers 20x, 20y in which gratings 26x, 26y that reflect light of a specified wavelength are arrayed along a plane which is parallel to an application direction of a shearing stress received from an object and vertical to an application direction of a vertical stress received from the object, and a stress direction conversion part 29 that converts the vertical stress into a stress in the direction along the plane and transmits it to the gratings 26x, 26y. In this case, the optical fiber 20x is extended in a direction different from the longitudinal direction of the optical fiber 20y. COPYRIGHT: (C)2011,JPO&INPIT |
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AbstractList | PROBLEM TO BE SOLVED: To detect a stress applied from an object, separately into a plurality of directions (a vertical direction, a shearing direction) by a comparatively simple structure. SOLUTION: An FBG (Fiber Bragg Grating) sensor 22 includes stress detection sensor parts 27 made up from optical fibers 20x, 20y in which gratings 26x, 26y that reflect light of a specified wavelength are arrayed along a plane which is parallel to an application direction of a shearing stress received from an object and vertical to an application direction of a vertical stress received from the object, and a stress direction conversion part 29 that converts the vertical stress into a stress in the direction along the plane and transmits it to the gratings 26x, 26y. In this case, the optical fiber 20x is extended in a direction different from the longitudinal direction of the optical fiber 20y. COPYRIGHT: (C)2011,JPO&INPIT |
Author | FUEKI NOBUHIRO KUNITO MASAKI |
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RelatedCompanies | HONDA MOTOR CO LTD |
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Snippet | PROBLEM TO BE SOLVED: To detect a stress applied from an object, separately into a plurality of directions (a vertical direction, a shearing direction) by a... |
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SubjectTerms | MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE PHYSICS TESTING |
Title | OPTICAL FIBER SENSOR, DISTRIBUTED TYPE PRESSURE SENSOR, AND SENSOR SIGNAL PROCESSOR |
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