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7599805 |
Systems and methods for predicting supersonic acoustic signatures
A system for determining an acoustic signature of a device is disclosed that includes a computer processor operable to determine strength and location of shock wave sound signals based on...
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7599804 |
Method for detecting structure-borne noise events in a roller bearing
A method for detecting structure-borne noise events in a roller bearing, wherein a measuring signal M of a pressure or dilatation sensor arranged on a roller bearing is fed to a frequency filter...
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7587299 |
Anomaly diagnosis apparatus and method of machine installation
An anomaly diagnosis apparatus for analyzing sound or vibration data produced by a machine installation and diagnosing the presence or absence of an anomaly in a sliding member in the machine...
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7584062 |
Sub-wavelength ultrasound characterization of composite material
An ultrasonic stimulus pulse is emitted incident to a laminar structure and recorded as pulse data. Echoes resulting from the stimulus pulse are recorded as echo data. One or more vectors are...
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7577533 |
Ultrasonic inspection apparatus for inspecting a workpiece
The invention relates to an ultrasound control device for non-destructively inspecting a workpiece. The inventive ultrasound control device comprises a transmitting-receiving sensor provided with...
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7516022 |
Method and system for assessing quality of spot welds
A system and method for assessing the quality of spot weld joints between pieces of metal includes an ultrasound transducer probing a spot weld joint. The ultrasound transducer transmits ultrasonic...
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7505853 |
Inspection of composite materials
Since ultrasonic velocities in anisotropic media can change by a factor of 3 or more depending on the direction of propagation, accounting for these changes is extremely important. Also many...
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7502694 |
Sonic exciter
An apparatus for sonic excitation of a surface includes a transparent pane. A sidewall structure cooperates with the pane to define an open cavity facing the surface. At least one speaker is...
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7496456 |
3D ultrasonographic device
A three-dimensional ultrasonic inspection apparatus includes: a sensing device for ultrasonic inspection including an ultrasonic sensor as a transducer, in which a plurality of piezoelectric...
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7490011 |
Diagnostic tool for an energy conversion appliance
A diagnostic tool for an energy conversion appliance, which may be a heating, ventilating or air conditioning appliance, includes a sound receiving transducer ( 1 ) coupled to output elements ( 5 )...
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7487679 |
Vehicle vibration analyzer
A diagnostic vibration analyzing system and method for measuring and characterizing both linear and torsional vibrations in a vehicle or a piece of industrial equipment (collectively a...
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7480574 |
Method to characterize material using mathematical propagation models and ultrasonic signal
The invention is directed to a system and method for detecting defects in a manufactured object. These defects may include flaws, delaminations, voids, fractures, fissures, or cracks, among others....
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7458266 |
Method and apparatus for detecting a load change upon a structure and analyzing characteristics of resulting damage
A sensor network is attached to a structure and employed to detect and analyze load changes. The sensor network has transducers, capable of acting as both passive sensors and active actuators,...
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7360435 |
Ultrasonic control of bolt tightening
Tightening of a bolt is controlled by monitoring the change in round trip time of propagating longitudinal ultrasonic waves through the bolt and the reflection of these waves at the end of the...
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7289914 |
Ultrasonic flowmeter and ultrasonic flowmetering method
An ultrasonic flowmeter casts an ultrasonic pulse toward a measurement line ML, processes ultrasonic echo signals, and calculates the position and speed of each ultrasonic reflector positioned...
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7250087 |
Clogged nozzle detection
Sound detection techniques and sound discrimination techniques are used to analyze the real time sounds generated during the operation of cleaning heads operating within a vessel to determine if...
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7191090 |
Methods and systems for acoustically locating computer systems
A method for determining a physical location of a source is provided. The method includes receiving an acoustic signal from a source placed within an acoustic monitoring area. The method also...
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7158894 |
Residential fuel tank monitoring system and proactive replacement program
A data collection and management system is provided for monitoring the condition of fuel tanks and for determining for each tank a degradation profile which provides an estimate of useful tank life...
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7131345 |
Device for inspecting plant parts located under water
A device for inspecting submersed plant parts is particularly suited for ultrasonic inspection of screws in the core baffle of a nuclear reactor pressure vessel. The device includes a...
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7072931 |
Accreditation maintenance through remote site monitoring
Methods and systems for remotely monitoring an imaging facility's compliance with accreditation requirements. In a particular embodiment, the present invention remotely monitors the status of an...
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7062386 |
Method to estimate the mechanical properties of a solid material subjected to isonification
A method for measuring the complex frequency-dependent dilatational and shear wavespeeds of a slab of material subjected to insonification. Transfer functions that are obtained by insonifying the...
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7054762 |
Method and system for analysis of ultrasonic reflections in real time
An ultrasonic real-time inspection method which is user-friendly in an interactive environment to provide ease of operation, as well as a combination of consistency, thoroughness, and speed of...
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7010981 |
Inverse method for estimating the wave propagation parameters of two dissimilar wave types
A method is provided to distinguish two blended but different waves in a structure, such as compressional and shear waves, by measuring their corresponding wavenumbers and wave speeds. Other...
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7006930 |
Method of analyzing tire pitch sequence based on lug stiffness variations
A method of comparing tire noise pitch sequences based on the tire noise generated by tire tread lug stiffness variations provides a secondary examination technique used to evaluate tire noise...
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6996481 |
Reconstruction of transient acoustic radiation from a finite object subject to arbitrarily time-dependent excitation
General algorithms are developed for reconstructing the acoustic field generated by an arbitrary object subject to an arbitrarily time-dependent excitation. These algorithms enable one to visualize...
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6996480 |
Structural health monitoring system utilizing guided lamb waves embedded ultrasonic structural radar
A method and device for performing ultrasonic damage detection in a thin-wall structure using an array of embedded Piezoelectric Wafer Active Sensors (PWAS) for the transmission and reception of...
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6963818 |
Mobile speedometer system and associated methods
The invention detects loft time and/or speed of a vehicle and/or person during activities of moving and jumping. A loft sensor detects leaving the ground and returning to the ground. A...
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6961670 |
Probe testing method and apparatus for determining acceptable/defective end shape of contact probe through image analysis
A probe testing apparatus reads the surface shape of a contact pad in pressure contact with a contact probe, and differentiates the read surface shape to extract a multiplicity of flat parts. Next,...
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6941231 |
Acoustic method for estimating mechanical properties of a material and apparatus therefor
A method and apparatus for estimating the time varying mechanical properties of a cement including propagating acoustic waves through a cement sample, measuring signals corresponding to the...
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6934017 |
Method and device for detection of information on optical elements, particularly for monitoring a laser arrangement
A method for detection of information on at least one optical element for monitoring an equipment, in which an electromagnetic radiation is shaped or guided by the at least one optical element,...
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6915217 |
Laser doppler vibrometer for remote assessment of structural components
A method and system for remotely inspecting the integrity of a structure. This can be performed by a method creating a vibratory response in the structure from a remote location and then measuring...
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6880379 |
Method and device for detecting damage in materials or objects
In a method of detecting damage in materials or objects ( 4 ) the material or object is physically influenced to produce a physical change of the material or object inducing transient slow dynamics...
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6826982 |
Method and apparatus for detection of structural damage
The entire contents of these applications are incorporated herein by reference. A method and apparatus for detecting and monitoring fractures in a structure by monitoring acoustic energy...
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6826490 |
Transducer calibration system: apparatus and method
A transducer calibration apparatus and method for transforming both previously established transducer parameters for a transducer calibrated to a first target object material and measured...
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6799124 |
Method of optimizing risk informed inspections of heat exchangers
A probabilistic method for optimizing the inspection of a heat exchanger that determines the maximum number of degraded tubes that can be permitted to remain in service for a contemplated interval...
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6785637 |
Method for monitoring wind power plants
There are many inventions described herein. In one aspect, the present invention is a method of acoustically monitoring a wind power installation that generates electrical power. The wind power...
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6785618 |
In-ground pipeline monitoring
A method for monitoring sound in an in-ground pipeline via at least first and second in-ground acoustic sensors wherein the first in-ground acoustic sensor is in contact with the in-ground pipeline...
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6782332 |
Ultrasound transducer temperature compensation methods, apparatus and programs
Method, apparatus and computer programs are described for compensating for the effect of temperature on the sensitivity of electrostatic ultrasound (US) transducers, particularly as used in an...
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6772094 |
Sound-based vessel cleaner inspection
Sound detection techniques and sound discrimination techniques are used to analyze the real time sounds generated during the operation of cleaning heads operating within a vessel to determine if...
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6757622 |
Predicting disc drive acoustic sound power from mechanical vibration
A method includes selecting a subset of predictive frequencies from a set of disc drive frequencies consisting essentially of operational driving frequencies in the disc drive and system resonance...
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6732056 |
Method and device for monitoring the wear condition of a tool
The wear condition of a milling tool is determined by detecting vibrations of the milling tool and a metal workpiece and generating wavelet coefficients which are utilized to evaluate the wear...
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6691073 |
Adaptive state space signal separation, discrimination and recovery
This invention unifies a set of statistical signal processing, neuromorphic systems, and microelectronic implementation techniques for blind separation and recovery of mixed signals. A set of...
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6675110 |
Testing valve assemblies
A method of determining flow through a valve includes determining a first differential pressure across the valve. The valve is bypassed and a second differential pressure is determined across the...
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6615143 |
Method and apparatus for reconstructing and acoustic field
Acoustic field reconstruction is performed by expanding basis function which represent outgoing and incoming waves, without prior knowledge of the source geometry and dimensions. The reconstruction...
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6594591 |
Method and system for processing rail inspection test data
A data processing system is provided for use in conjunction with a rail inspection system having a detection carriage with a plurality of sensor units configured to sense discontinuities in a rail...
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6581014 |
Apparatus and method for analysis of guided ultrasonic waves
Method and apparatus for using a guided wave to determine the location of one or more flaws in an inspected object are disclosed. An ultrasonic guided wave is launched into the object using...
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6567753 |
Devices and methods for simultaneous measurement of transmission of vapors through a plurality of sheet materials
Methods and devices are disclosed for determining barrier properties of at least one barrier coating with respect to a plurality of fluids. These methods and systems include a combination of...
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6560548 |
Device and method for determination of physical parameters for a two-phase mix by propagation of an acoustic wave in the continuous phase of the two-phase mix
A device measures the propagation time for an acoustic wave in a continuous phase of a two-phase mix ( 28 ) comprising the continuous phase and a dispersed phase forming droplets ( 40 ) in the...
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6539316 |
Phase detector
A method for detecting a phase difference between first and second input signals is provided. The method includes modulating a duty cycle of first and second intermediate signals from a first duty...
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6519535 |
Eddy current technique for predicting burst pressure
A signal processing technique which correlates eddy current inspection data from a tube having a critical tubing defect with a range of predicted burst pressures for the tube is provided. The...
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