G01B21/085

Pipeline constriction detection

The present techniques are directed to a pipeline transporting a production fluid including hydrocarbon. An optical fiber is disposed along a length of the pipeline. A control system determines a predicted operating temperature based on pressure and flow rate of the production fluid in the pipeline. The control system determines a measured temperature along the pipeline using the optical fiber. The control system detects and locates a temperature anomaly by comparing the measured temperature of the pipeline to the predicted operating temperature.

MANUFACTURING PROCESS CONTROL WITH DEEP LEARNING-BASED PREDICTIVE MODEL FOR HOT METAL TEMPERATURE OF BLAST FURNACE
20190093186 · 2019-03-28 ·

A blast furnace control system may include a hardware processor that generates a deep learning based predictive model for forecasting hot metal temperature, where the actual measured HMT data is only available sparsely, and for example, measured at irregular interval of time. HMT data points may be imputed by interpolating the HMT measurement data. HMT gradients are computed and a model is generated to learn a relationship between state variables and the HTM gradients. HMT may be forecasted for a time point, in which no measured HMT data is available. The forecasted HMT may be transmitted to a controller coupled to a blast furnace, to trigger a control action to control a manufacturing process occurring in the blast furnace.

MANUFACTURING PROCESS CONTROL WITH DEEP LEARNING-BASED PREDICTIVE MODEL FOR HOT METAL TEMPERATURE OF BLAST FURNACE
20190093187 · 2019-03-28 ·

A blast furnace control system may include a hardware processor that generates a deep learning based predictive model for forecasting hot metal temperature, where the actual measured HMT data is only available sparsely, and for example, measured at irregular interval of time. HMT data points may be imputed by interpolating the HMT measurement data. HMT gradients are computed and a model is generated to learn a relationship between state variables and the HTM gradients. HMT may be forecasted for a time point, in which no measured HMT data is available. The forecasted HMT may be transmitted to a controller coupled to a blast furnace, to trigger a control action to control a manufacturing process occurring in the blast furnace.

METHOD FOR DETECTING THE CONVECTIVE HEAT TRANSFER COEFFICIENT AND THE THICKNESS OF AN INTERFACE

An interfacial sensor and method for determining the thickness of an interface above a surface of a body around which flow occurs. The sensor has a first device for determining a first temperature, a second device for determining a second temperature and a third device for determining a third temperature. Each device is arranged at a predefinable distance (XI, X2, X3) from the surface of the body) around which flow occurs. At least the second device for determining the second temperature and the third device for determining the third temperature includes at least one wire which extends from the surface into a half-space adjoining the surface and which has a diameter of approximately 300 ?m or less. Such a sensor may find use in a wind turbine, a vehicle, an aircraft, a room climate measuring device or a ship.

THICKNESS MEASUREMENT METHOD, THICKNESS MEASUREMENT DEVICE, DEFECT DETECTION METHOD, AND DEFECT DETECTION DEVICE

Method for measuring a depth of a defect inside an inspection object is provided. The method comprises steps of: generating thermal image data corresponding to a temperature of a surface of the inspection object by photographing a heated surface of the inspection object at a predetermined time interval by a photographing device; obtaining a temperature curve showing a temporal change in temperature of the surface of the inspection object based on the thermal image data; fitting a theoretical equation obtained from a heat conduction equation including a parameter related to the depth of the defect of the inspection object to the temperature curve to obtain a theoretical curve showing a temporal change in temperature of the surface of the inspection object; and obtaining the depth of the defect of the inspection object based on a value of the parameter in the theoretical equation corresponding to the theoretical curve.

METHODS AND APPARATUS FOR MANUFACTURING GLASS

A glass manufacturing apparatus includes a glass former to form a glass ribbon from a quantity of molten material, a thermal sensor oriented to sense a temperature of the glass ribbon, and a processor programmed to estimate a thickness of the glass ribbon based on the sensed temperature from the thermal sensor. A method of manufacturing glass includes forming a glass ribbon from a quantity of molten material, sensing a temperature of the glass ribbon, and estimating a thickness of the glass ribbon based on the sensed temperature.

Temperature sensing arrayal for freeboard detection

An exemplary inventive freeboard detection system includes a tubular watertight temperature-sensing device and a computer. The temperature-sensing device includes a printed circuit board assembly (PCBA), a potting compound, and a hollow rigid tube. Inside the tube the potting compound encapsulates the PCBA, which includes a printed circuit board (PCB) and multiple temperature sensors closely and equidistantly arrayed along the length of the tube. The temperature-sensing device is vertically secured in a partially submerged state to a vessel with the expectation that some of the vertically arrayed temperature sensors will sense air temperature and others will sense water temperature. On an ongoing basis, the computer receives signals from the temperature sensors and processes the signals to monitor freeboard values, which the computer calculates based on differences in temperature measurements corresponding to pairs of consecutive (and/or nonconsecutive) temperature sensors. A maximum calculated difference in temperature measurements is indicative of the location of the water surface.

Portable optic metrology thermal chamber module and method therefor
12104975 · 2024-10-01 · ·

A portable optic metrology thermal chamber module including a housing defining a thermal chamber, with a thermally isolated environment arranged for holding an optic device under test, the housing having an optic stimulus entry aperture configured for entry of a stimulus beam, from a metrology system stimulus source through the entry aperture onto an entry pupil of the device to an image analyzer, and a module mount coupling to modularly mount the portable optic metrology thermal chamber module to a support of a metrology system of the metrology system stimulus source so as to removably couple the portable optic metrology thermal chamber module as a unit to the support in a predetermined position relative to the metrology system stimulus source, and the housing is sized and shaped so that the portable optic metrology thermal chamber module is portable as a unit for moving to and removing from the predetermined position.

Continuous belt conveyor monitoring systems and methods

An online real-time method of measuring the thickness of a moving belt uses infrared thermography technology to continuously and noninvasively measure the thickness of rubber cover regions and detect damage. This technique solves technical problems and realizes potential gains such as increased efficiency in planning maintenance/replacements of conveyor belts; provides rationalizations and advanced planning for stocking spare conveyor belts; provides a lookahead of acute wear at points to avoid premature wear or belt loss; generates a history of generating wear after each belt replacement with life projections and early planning acquisitions and operational stoppages for exchange; and provides early warning system integration.

METHOD FOR COATING A SURFACE OF A METAL STRIP AND A METAL STRIP-COATING DEVICE

A method for coating a surface of a substrate may involve coating the surface of the substrate with a wet coating by way of a coating station, conveying the substrate by way of a conveying device, and detecting the surface coated with the wet coating by producing a thermal image of a detection region that comprises part of the surface. The thermal image may be recorded in a spectral range that includes a wavelength between 1 micrometer and 20 micrometers. Further, the detection region may be located directly downstream of the coating station, or the detection region may at least partially include the coating station.