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WO/2012/010863 |
Each of a plurality of acoustic sensors (acoustically coupled to a structure for monitoring) is connected to a network bus system via a preamplifier for capturing, processing and reporting acoustic events in a structure, for example airc...
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WO/2012/010496 |
The invention relates to a monitoring device (30) for a repair patch (10) that can be placed on or in a wall of an aircraft for repairing a defect, having a sensor device (36) for capturing properties of the repair patch (10) placed in t...
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WO/2012/010307 |
The invention relates to a planking panel (B) for a structural component (1), said planking panel being designed as a sandwich component in the inner region (B1) thereof that extends in a planar manner and comprising a first skin section...
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WO/2012/004020 |
The invention relates to a device for optically measuring the curvature of a rotor blade (18) of a wind power plant (1), wherein said rotor blade is fixed at the blade root (23) thereof to a rotor hub (8) of a rotor (6), comprising at le...
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WO/2011/162892 |
A strain measurement device to assess the integrity of a structural repair to a surface comprises a detector, a processor, and a memory module coupled to the processor. The memory module comprises logic instructions stored in a computer ...
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WO/2011/158273 |
The present invention relates to a system for measuring and monitoring strains of a two- or tri-dimensional object, comprising at least one group of optical sensors to be applied on said object according to a predetermined geometric conf...
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WO/2011/147414 |
A resonance circuit with a variable resonance frequency provided by a variable capacitor (5) having compliant electrodes arranged on a deformable sheet (23). When the sheet (23) is deformed the capacitance is varied. Further a sensing el...
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WO/2011/116940 |
The invention relates to a reinforcing component (2) for monitoring the functional capability of a structural adhesive layer (6) to be produced between said component and a further component (4). According to the invention a plurality of...
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WO/2011/116940 |
The invention relates to a reinforcing component (2) for monitoring the functional capability of a structural adhesive layer (6) to be produced between said component and a further component (4). According to the invention a plurality of...
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WO/2011/098079 |
The invention relates to a sensing system for determining the fatigue on metal components. The aim of the invention is to provide a sensing system for non-destructively determining the fatigue on metal components, said system being usabl...
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WO/2011/089366 |
The invention relates to a method for detecting the stress to which a part made of a magnetic material having a detectable magnetostriction property, such as a ferromagnetic material, is subjected, including the following steps: (a) appl...
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WO/2011/066028 |
Wireless strain and displacement sensors wirelessly monitor structural health and integrity, and are made by printing inductor-interdigital capacitor sensing circuits on a variety of substrates, including ceramic substrates, with thermal...
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WO/2011/061141 |
The system for measuring fatigue of a component (7, 8, P, P', 9a, 6') of an aircraft subject to mechanical stresses comprising a plurality of stress sensors (Ci) mounted on the component (7, 8, P, P', 9a, 6'), each sensor being devised t...
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WO/2011/054323 |
The invention concerns a method and equipment for determination of damage rate of a structure on the basis of determination of toughness change of a structure or a pole which is determined by specification of proportion of the amplitude ...
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WO/2011/048051 |
The invention relates to a method and arrangement for determining the motion or deformation of large objects, using measurement locations comprising CCD detector units having CCD rows, wherein the CCD detector units of the measurement lo...
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WO/2011/046463 |
A fluid pipe comprising a fluid pipe wall enclosing a passage for a fluid and a signal transmission cable mechanically coupled to the fluid pipe wall such that a deformation of the pipe wall leads to a disruption of a transmission of a s...
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WO/2011/027154 |
A method of testing an unbonded flexible pipeline comprising a polymer pressure sheath, the method comprising at least the steps of: (a) transmitting an electromagnetic signal along the polymer pressure sheath; (b) seeking one or more re...
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WO/2011/020968 |
The invention relates to a strain gauge including a substrate (2) for mounting an element (3) to be reversibly lengthened by means of a force applied while displaying a variation in the resistance thereof, said element (3) lengthening it...
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WO/2011/010942 |
The present invention relates to an automated distress locator transmitter assembly adapted to be installed on transportation means such as aircrafts and the like comprising : a base member having a primary enclosure downwardly formed fr...
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WO/2011/009460 |
A calibration method for a transportable apparatus, comprising measuring means (4, 4') for non-contact measurement of the deflection of a road or a rail, where the deflection measuring means are mounted on a displaceable support structur...
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WO/2011/006523 |
The present invention defines a strain sensor for measuring strains induced on a component surface (34). The strain sensor comprises a strain gauge (31) and a support member (32), whereby the support member is attached to the component s...
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WO/2011/007249 |
A method and a system for monitoring a thin structure foresee acquiring the acceleration signals emitted by a plurality of accelerometers associated with the structure, obtaining the frequency spectrum of such signals, detecting their fr...
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WO/2011/002689 |
A damage-detection apparatus (10) for an aircraft (50) includes a composite structure (12) comprising embedded conductive traces (20). The embedded conductive traces are for transmitting a damage-detection signal to indicate if the compo...
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WO/2010/149753 |
The invention, which relates to an arrangement and a method for monitoring moving parts in a motor vehicle, is based on the object of providing an arrangement and a method with which the manufacturing costs, consumption of energy and env...
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WO/2010/128056 |
The invention relates to a method for testing the stability of a pole that stands on a foundation or of a similar upright system. In such a method for testing the stability of an upright system, a characteristic frequency of a pole to be...
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WO/2010/122290 |
A polymer composite material (10, 110, 210, 310) is described. The material includes a settable matrix material (12), a plurality of reinforcement members (14) and a plurality of capsule members (16). Each capsule member (16) includes a ...
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WO/2010/099881 |
The present invention relates to an apparatus and method for measuring spatial movements of plant structures, such as pipes, due for example to the movement of the ground in the presence of landslide phenomena, subsidence, collapse or di...
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WO/2010/097095 |
The present invention provides An RFID-based sensing system (T) comprising a piezoelectric arrangement (2) adapted to be mounted and/or mounted at least partially on a structure (1), an RFID transponder (3) connected to the piezoelectric...
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WO/2010/096209 |
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WO/2010/092426 |
An apparatus and method of detecting cracks in wind turbine rotor blades. Conductive paste is used as a conductive strip (20) covering the surface of the blades at locations where it seems most susceptible or inclined to damage. The cond...
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WO/2010/092426 |
An apparatus and method of detecting and repairing cracks in wind turbine rotor blades. Conductive paste is used as a conductive strip covering the surface of the blades at locations where it seems most susceptible or inclined to damage....
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WO/2010/086466 |
The invention relates to a system for measuring deformations of wind turbine blades during static tests. The system comprises equipment for measuring deformation at a plurality of positions in single-mode optical fibres (5, 7, 9) using R...
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WO/2010/061290 |
A wind turbine includes a rotor having a plurality of blades and a system for monitoring loading of the blades in both edgewise and flapwise directions and rotational loading. A rigid rod is fixed at one end within a blade at a point whe...
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WO/2010/059476 |
A self-powered sensor (20) is provided for strain-rate monitoring and other low power requirement applications. The self -powered sensor is comprised of : a piezoelectric transducer (22); a non-volatile memory comprised of at least one f...
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WO/2010/055282 |
The present invention relates to the measurement of stress using a composite sensor material and more particularly to fibre reinforced polymer (FRP) composite sensors. The composite stress sensor comprises a fibre reinforced composite st...
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WO/2010/052393 |
The invention relates to a method for detecting and analysing damage due to shocks on the fuselage of a parked aircraft around the opening (10) of at least one of the doors or trap doors for accessing the inner space of the aircraft, sai...
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WO/2010/004324 |
A structural health monitoring arrangement comprises a component (panel 30) formed of fibre reinforced composite material with a plurality of electrical conducting fibres (conductors 32) intrinsic to the composite defining electrical pat...
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WO/2009/144488 |
A damage sensor, for example a crack gauge, a method of providing the same, and a method of sensing damage using the same, are described. The damage sensor comprises at least one direct write resistive element applied to an area of a sub...
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WO/2009/144490 |
A damage sensing system, and a method of sensing damage using the system, are described. The system comprises: a plurality of tuned circuits arranged in parallel, each tuned circuit having a different resonant frequency; and processing m...
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WO/2009/144489 |
A device adapted to provide an indication of a condition of a structure (202) includes a circuit (L, R, C, C0) configured to be electrically resonant at a predetermined frequency in a normal state. The circuit at least partially comprise...
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WO/2009/144000 |
A device, a system and a method for detecting an irregularity in a structure of an aircraft are proposed. The device comprises a resonant circuit with a resonance frequency and a probe for tuning the resonance frequency of the resonant c...
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WO/2009/141472 |
The invention relates to a system for monitoring damage to structures, including at least one polymer (1) loaded with a conductive element, heat-generating means and thermal variation detection means, the aforementioned polymer (1) being...
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WO/2009/129554 |
In a method for testing reinforced concrete parts (1), in particular reinforced concrete sleepers (2), wherein in a first loading step a first increasing test force is applied to a pre-definable first area (6) of the reinforced concrete ...
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WO/2009/127851 |
An apparatus for applying at least one cyclical load to an elongate specimen, comprising at least two reciprocating mass means 1 each comprising a mass (6) and an actuator (16), wherein the actuator (16) is (5) operatively associated wit...
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WO/2009/121367 |
The invention relates to a broad band optical strain sensing system for a wind turbine. The strain sensing system includes an optical fibre with an input at one end and an output at the opposite end. The optical fibre is provided with Br...
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WO/2009/121377 |
This invention relates to a system and a procedure for the carrying out of the ongoing monitoring in time of the distortions in a stationary or moving structure, due to the various effects acting thereupon, such as frictional forces, for...
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WO/2009/095657 |
A system and method for measuring loads on a pipe, including a pair of collars that can be secured around the outer surface of the pipe to be monitored in an axially spaced relationship; and a connecting element having a strain gauge is ...
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WO/2009/071602 |
The invention relates to a sensor network for measuring environmental parameters on the structure of an aircraft. For this purpose, a plurality of sensor units (12) is fastened on the structure of an aircraft, with which identifiers are ...
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WO/2009/068886 |
A sensing system comprises a material having a matrix structure in which a plurality of sensing elements are embedded, the sensing elements having electron distribution and/or transport properties that change in response to a change in a...
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WO/2009/068886 |
A sensing system comprises a material having a matrix structure in which a plurality of sensing elements are embedded, the sensing elements having electron distribution and/or transport properties that change in response to a change in a...
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