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公开(公告)号：NO944899A
公开(公告)日：1996-06-17
申请号：NO944899
申请日：1994-12-16
Applicant: SAFETY ONE AS
Inventor： SANNERHAUGEN VIDAG , HELLVIK STEN
CPC classification number: G01M11/086 , G01B11/18 , G01D5/35383 , G01L1/242 , G01L1/243 , G01L1/245 , G01L1/246 , G01L1/247
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公开(公告)号：AU706244B2
公开(公告)日：1999-06-10
申请号：AU4318096
申请日：1995-12-15
Applicant: SAFETY ONE AS
Inventor： SANNERHAUGEN VIDAR , HELLVIK STEN
Abstract: PCT No. PCT/NO95/00234 Sec. 371 Date Sep. 16, 1997 Sec. 102(e) Date Sep. 16, 1997 PCT Filed Dec. 15, 1995 PCT Pub. No. WO96/18866 PCT Pub. Date Jun. 20, 1996For continuous monitoring of dynamic loads, including stresses and strains in large hull structures for vessels (5), a strain measurement system (2) is employed with fiber optic cables which connect optical strain sensors (7; 16) at different points in the hull structure. Optical signals for detection of stresses and strains are distributed to the strain sensors (7; 16) from an optical transmitter (11). The strain measurement system (2) is connected via a central monitoring unit (10) to a computer-implemented control system (1) which in turn is connected to a display and data presentation unit (4) and possibly other measurement systems (3). In a first operating mode, strain values during loading and unloading of the vessel (5) are detected by the strain sensors (7; 16). The control system (1) generates a curve which shows an average strain, and an alarm signal if the average strain exceeds a predetermined threshold which indicates an unacceptable level of strain. In a second operating mode, when the vessel (5) is underway, strains are continuously detected by the strain sensors (7; 16). An alarm signal is generated if the average strain exceeds a predetermined threshold which indicates an unacceptable level of strain. A strain measurement system and a fiber optic strain sensor (16) are also used with this method.
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Patent Agency Ranking
公开(公告)号：NO944899L
公开(公告)日：1996-06-17
申请号：NO944899
申请日：1994-12-16
Applicant: SAFETY ONE AS
Inventor： SANNERHAUGEN VIDAG , HELLVIK STEN
Abstract: PCT No. PCT/NO95/00234 Sec. 371 Date Sep. 16, 1997 Sec. 102(e) Date Sep. 16, 1997 PCT Filed Dec. 15, 1995 PCT Pub. No. WO96/18866 PCT Pub. Date Jun. 20, 1996For continuous monitoring of dynamic loads, including stresses and strains in large hull structures for vessels (5), a strain measurement system (2) is employed with fiber optic cables which connect optical strain sensors (7; 16) at different points in the hull structure. Optical signals for detection of stresses and strains are distributed to the strain sensors (7; 16) from an optical transmitter (11). The strain measurement system (2) is connected via a central monitoring unit (10) to a computer-implemented control system (1) which in turn is connected to a display and data presentation unit (4) and possibly other measurement systems (3). In a first operating mode, strain values during loading and unloading of the vessel (5) are detected by the strain sensors (7; 16). The control system (1) generates a curve which shows an average strain, and an alarm signal if the average strain exceeds a predetermined threshold which indicates an unacceptable level of strain. In a second operating mode, when the vessel (5) is underway, strains are continuously detected by the strain sensors (7; 16). An alarm signal is generated if the average strain exceeds a predetermined threshold which indicates an unacceptable level of strain. A strain measurement system and a fiber optic strain sensor (16) are also used with this method.
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公开(公告)号：CA2208448A1
公开(公告)日：1996-06-20
申请号：CA2208448
申请日：1995-12-15
Applicant: SAFETY ONE AS
Inventor： SANNERHAUGEN VIDAR , HELLVIK STEN
IPC: G01D5/26 , G01B11/16 , G01D1/18 , G01D5/353 , G01L1/24 , G01M11/08 , G01M99/00 , B63B43/00 , B63B45/00 , B63B59/00 , G08B21/00 , G01M17/00
Abstract: For continuous monitoring of dynamic loads, including stresses and strains in large hull structures for vessels (5), a strain measurement system (2) is employed with fibre optic cables which connect optical strain sensors (7; 16) at different points in the hull structure. Optical signals for detection of stresses and strains are distributed to the strain sensors (7; 16) from an optical transmitter (11). The strain measurement system (2) is connected via a central monitoring unit (10) to a computer-implemented control system (1) which in turn is connected to a display and data presentation unit (4) and possibly other measurement systems (3). In a first operating mode in this method strain values during loading and unloading of the vessel (5) are detected by means of the strain sensors (7; 16). By means of the control system (1) a curve is generated which shows an average strain, and an alarm signal if the average strain exceeds a predetermined threshold which indicates an unacceptable level of strain. In a second operating mode when the vessel (5) is underway, strains are continuously detected by means of the strain sensors (7; 16). An alarm signal is generated if the average strain exceeds a predetermined threshold which indicates an unacceptable level of strain. A strain measurement system and a fibre optic strain sensor (16) for use with this method are also described.
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公开(公告)号：FI972541A
公开(公告)日：1997-08-13
申请号：FI972541
申请日：1997-06-16
Applicant: SAFETY ONE AS
Inventor： SANNERHAUGEN VIDAR , HELLVIK STEN
Abstract: PCT No. PCT/NO95/00234 Sec. 371 Date Sep. 16, 1997 Sec. 102(e) Date Sep. 16, 1997 PCT Filed Dec. 15, 1995 PCT Pub. No. WO96/18866 PCT Pub. Date Jun. 20, 1996For continuous monitoring of dynamic loads, including stresses and strains in large hull structures for vessels (5), a strain measurement system (2) is employed with fiber optic cables which connect optical strain sensors (7; 16) at different points in the hull structure. Optical signals for detection of stresses and strains are distributed to the strain sensors (7; 16) from an optical transmitter (11). The strain measurement system (2) is connected via a central monitoring unit (10) to a computer-implemented control system (1) which in turn is connected to a display and data presentation unit (4) and possibly other measurement systems (3). In a first operating mode, strain values during loading and unloading of the vessel (5) are detected by the strain sensors (7; 16). The control system (1) generates a curve which shows an average strain, and an alarm signal if the average strain exceeds a predetermined threshold which indicates an unacceptable level of strain. In a second operating mode, when the vessel (5) is underway, strains are continuously detected by the strain sensors (7; 16). An alarm signal is generated if the average strain exceeds a predetermined threshold which indicates an unacceptable level of strain. A strain measurement system and a fiber optic strain sensor (16) are also used with this method.
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公开(公告)号：FI972541A0
公开(公告)日：1997-06-16
申请号：FI972541
申请日：1997-06-16
Applicant: SAFETY ONE AS
Inventor： SANNERHAUGEN VIDAR , HELLVIK STEN
Abstract: PCT No. PCT/NO95/00234 Sec. 371 Date Sep. 16, 1997 Sec. 102(e) Date Sep. 16, 1997 PCT Filed Dec. 15, 1995 PCT Pub. No. WO96/18866 PCT Pub. Date Jun. 20, 1996For continuous monitoring of dynamic loads, including stresses and strains in large hull structures for vessels (5), a strain measurement system (2) is employed with fiber optic cables which connect optical strain sensors (7; 16) at different points in the hull structure. Optical signals for detection of stresses and strains are distributed to the strain sensors (7; 16) from an optical transmitter (11). The strain measurement system (2) is connected via a central monitoring unit (10) to a computer-implemented control system (1) which in turn is connected to a display and data presentation unit (4) and possibly other measurement systems (3). In a first operating mode, strain values during loading and unloading of the vessel (5) are detected by the strain sensors (7; 16). The control system (1) generates a curve which shows an average strain, and an alarm signal if the average strain exceeds a predetermined threshold which indicates an unacceptable level of strain. In a second operating mode, when the vessel (5) is underway, strains are continuously detected by the strain sensors (7; 16). An alarm signal is generated if the average strain exceeds a predetermined threshold which indicates an unacceptable level of strain. A strain measurement system and a fiber optic strain sensor (16) are also used with this method.
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公开(公告)号：NO303470B1
公开(公告)日：1998-07-13
申请号：NO944899
申请日：1994-12-16
Applicant: SAFETY ONE AS
Inventor： SANNERHAUGEN VIDAR , HELLVIK STEN
Abstract: PCT No. PCT/NO95/00234 Sec. 371 Date Sep. 16, 1997 Sec. 102(e) Date Sep. 16, 1997 PCT Filed Dec. 15, 1995 PCT Pub. No. WO96/18866 PCT Pub. Date Jun. 20, 1996For continuous monitoring of dynamic loads, including stresses and strains in large hull structures for vessels (5), a strain measurement system (2) is employed with fiber optic cables which connect optical strain sensors (7; 16) at different points in the hull structure. Optical signals for detection of stresses and strains are distributed to the strain sensors (7; 16) from an optical transmitter (11). The strain measurement system (2) is connected via a central monitoring unit (10) to a computer-implemented control system (1) which in turn is connected to a display and data presentation unit (4) and possibly other measurement systems (3). In a first operating mode, strain values during loading and unloading of the vessel (5) are detected by the strain sensors (7; 16). The control system (1) generates a curve which shows an average strain, and an alarm signal if the average strain exceeds a predetermined threshold which indicates an unacceptable level of strain. In a second operating mode, when the vessel (5) is underway, strains are continuously detected by the strain sensors (7; 16). An alarm signal is generated if the average strain exceeds a predetermined threshold which indicates an unacceptable level of strain. A strain measurement system and a fiber optic strain sensor (16) are also used with this method.
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