Abstract: Computer based CAE models for simulating the physical behavior of disposable articles during manufacturing processes.

Abstract: A system and method of monitoring oil consumption in a gas turbine engine system are provided. When the gas turbine engine is not running the reservoir oil level, reservoir oil temperature, and reservoir attitude are sensed. The current gas turbine engine system oil quantity is determined based on at least the sensed reservoir oil level, the sensed reservoir oil temperature, and the sensed reservoir attitude. When a predetermined event has occurred, an average gas turbine engine system oil quantity is automatically calculated. The gas turbine engine system oil consumption rate is determined from a plurality of the average oil quantities.

Abstract: A method and system are described for detecting a fluid level within a fluid vessel by disposing a wireless fluid sensor module in the fluid vessel, measuring at least one characteristic of a fluid in the fluid vessel, and wirelessly transmitting the measured at least one characteristic to a receiver disposed external to the fluid vessel.

Abstract: An electronics module for a filling-level measuring device is stated which evaluates a newly acquired data point on the basis of an expectation funnel and, if this data point is situated within the expectation funnel, replaces a preceding data point by this newly acquired data point. Otherwise a new expectation funnel is generated. As a result of this the presentation of echo signal waveforms can be created in a more efficient manner.

Abstract: A system and method effective to monitor an amount of material in a portable container. The system may comprise a material and sensor in a container. The sensor is effective to detect a first level of the material when the container is at a first location and to generate a first data signal in response. The sensor is effective to detect a second level of the material in the container when the container is at a second location and to generate a second data signal in response. The sensor is further effective to send the first and second data signal to a processor. The processor is effective to receive the first and second data signal and generate a report based on the first and the second data signal, the report relating to an amount of the material in the container.

Abstract: A level gauge carries out a tracking method with consideration of the mobility of the echoes. For this purpose, mobility values of echoes of an echo curve are determined and the expectancy function, by means of which it is determined whether a certain echo needs to be assigned to a certain track, is determined with consideration of at least one of the mobility values. In this way, the correct allocation of an echo to a certain track may be realized with high reliability.

Abstract: A method and equipment are provided for determining the level/height, of one or more interfaces between two or more fluid phases of different density that are contained in a vessel, tank or the like. The position of the different interfaces in a tank is determined by measuring the pressure thereby determining the density of the fluid over the height of the tank by using a pressure measuring rod, equipped with pressure sensors, positioned in the tank. A mathematical model or algorithm is used which calculates how the density and hence the pressure vary over the height of the tank as a function of the fluid properties of the respective fluids in the tank, the interface, on the basis of the density being the same within each layer of the respective fluid, as a respective point at which the density changes from one layer to the next in the tank.

Abstract: The invention relates to a method for the real-time determination of the filling level of a cryogenic tank intended to house a two-phase liquid/gas mixture, in which at least one of the the level, volume or mass contained in the tank is calculated for the liquid or the gas at each time step. The method includes the use of a thermal model at each time step to calculate the average temperatures of the liquid and the gas in the tank on the basis of the measured pressure differential and at least one of the pressures of said differential; calculation of the change over time in at least the density of the liquid on the basis of the average temperature of the liquid and the pressures in the tank.

Abstract: A system for controlling a motorized track light system constrained to travel along a track has a control unit coupled to a motor that causes the track light system to move along the track, a plurality of stop sensors strategically disposed along the track, a sensor activation device located on the track light system, the sensor activation device positioned to interface with the stop sensors, and a light sensor for detecting ambient light of a preset level. The system detects a preset level of ambient light, initiating power to the motor of the track light system, moving the lights along the track until the activation device interfaces with a first of the plurality of stop sensors, stopping movement of the track light system along the track for a preset period of time, and at the end of the preset time period, the electrical power is restored to the motor moving the track light assembly along the track to the next of the plurality of stop sensors.

Abstract: A method and apparatus for operating a pumping system includes the following: determining a motor operating parameter of a motor configured to drive a pump in a well; determining a pump operating parameter of the pump based on the motor operating parameter; operating the pump in a first mode to determine pump characteristics at a desired fluid level; generating first mode output data based on operation of the pump in the first mode; operating the pump in a second mode based on the first mode output data; determining an estimated fluid level in the well based on the motor operating parameter, the pump operating parameter and the first mode output data; and adjusting the pump speed based on the estimated fluid level in order to maintain a desired fluid level.

Abstract: The invention pertains to a method for rebalancing a solvent solution useful for treating photosensitive printing elements having a photopolymerizable layer. The solvent solution becomes contaminated with unpolymerized material and other materials that release from the photosensitive printing elements during washout treating, and separation of contaminates also removes some of one or more components in the used solvent solution. The method rebalances the proportion of the components in a solvent solution having 3 or more components. The method includes measuring a reclaimant, which has been separated from the contaminates, for two or more properties, calculating a mass of the components to be added to the reclaimant based on an equation generated for each measured property, and adding the mass of the component or components to the reclaimant to adjust the proportion of the components in the reclaimant to targeted proportions.

Abstract: A method for determining a fluid level value in a fluid tank of an internal combustion engine equipped with a discrete level sensor is provided. The discrete level sensor is configured for generating a first electrical signal when a fluid level is above or equal to a first predetermined fluid level threshold value and generating a second electrical signal when the fluid level is above or equal to a second predetermined fluid level threshold value. The second predetermined fluid level threshold value is greater than the first predetermined fluid level threshold value. The method includes monitoring a number of occurrences of the first electrical signal and of the second electrical signal over a time interval. The fluid level in the fluid tank is calculated as a function of the number of occurrences of the first and of the second electrical signals over the time interval.

Abstract: The invention concerns a process for detecting scale deposit in the liquid supply means of a water pump driven machine comprising at least a water tank, a pump and a heating means, where water is pumped from the water tank and fed to the heating means, and where the pump is energized by a controller by providing the pump with an energizing signal to provide an intended water flow rate F, wherein the actual water flow rate f is measured and the discrepancy ? between the actual water flow rate f and the intended water flow rate F is directly and/or indirectly compared to an operating instruction related to scale deposit.

Abstract: A liquid level determination system to determine the level of a liquid in a wet we is disclosed. The system may include pressure determination components and a pressure pipe with a pressure sensing pipe end located adjacent to the pressure determination components and a bubbler pipe end locatable at least partially in the wet well. A transducer is used to determine a pressure level within the pressure pipe maintained by a bubbler air compressor. A level detection processor may analyze the pressure level to determine a liquid level in the wet well. An interference dampener is included to mitigate interference originating from the bubbler air compressor. The interference dampener may be provided by transducer plug to restrict air flow. Alternatively, the interference dampener may be provided by a computer operated program to monitor and mitigate the interference.

Abstract: Diesel fuel consumption is calculated in real-time in an vehicle diagnostic monitor using standard OBDII reported parameters and publicly available engine characteristics. Also, fuel consumption in vehicles that maintain a constant air-fuel ratio is calculated by analyzing the subject engine as an air pump and reading publicly available OBDII diagnostic data to estimate the instantaneous airflow through the engine without the need of MAF sensor data.

Abstract: Measuring with a waveguide device and a measuring device in different spatial regions of a container is described.

Abstract: Color separation systems and methods improve color constancy and smoothness of a color lookup table (LUT) for a printer. A plurality of nodes of the LUT may be defined in colorimetric space, and the nodes out of the printer gamut may be mapped to the printer gamut surface. A set of possible colorant combinations are then determined that produce each node in the LUT in a device independent color space using a non-linear minimization algorithm, such as, for example, a conjugate gradient algorithm. Next, a colorant combination may be determined for each and every node in the LUT based on an image quality metric. In some implementations, a smoothing filter may be used to smooth the lookup table.

Abstract: A digital multi range liquid level detector to verify and maintain a predetermined level in a container. The level is measured by a capacitive sensor located above or in the liquid to be maintained. The capacitive sensor is composed of a pair of probe connected to a signal converter chip to obtain a digital data. The digital data is then compared to a reference value obtain during the initial calibration. The present invention is composed of two paired components, a capacitive digital sensor and a fluid control valve that can be installed at different locations. The sensor determines the liquid level and then transmits the acquired data to the fluid valve control receiver via wire or radio frequency (RF). The sensor and valve are programmable in order to evaluate different possibilities such as water level, water activities and recurring low level demands. They can also be reprogrammed.

Abstract: A method for estimating fluid volumes moved in compartmented areas of the subsoil, the method including the steps of a) performing a series of gradiometric measurement campaigns at pre-established time intervals in a survey field, in which the relative variation ?Vi of the fluid volumes contained in a corresponding compartmented area of the subsoil is known; b) determining, for each measurement campaign after the first campaign, a parameter P1i based on the entire survey area; and c) determining a variability law that correlates the parameter P1i to the known relative variation ?Vi in fluid volumes in the compartmented area of the subsoil.

Abstract: According to some embodiments, a controller 100 of this remaining liquid amount meter 200 performs cumulative processing that increases a cumulative value T when a display level (Rm1) specified based on the liquid surface level detected by a first detection section 141 is higher than a display level (Rm) displayed by the remaining liquid amount meter 200, and that decreases the cumulative value (T) when the display level (Rm1) is lower than the display level (Rm) (S9 to S15). Then, when the cumulative value (T) becomes larger than a predetermined threshold value (Tc), the controller 100 performs display processing that changes the display level (Rm) displayed by the remaining liquid amount meter 200 (S16 to S19).

Abstract: A computer-based apparatus, including: a memory element storing computer readable instructions; a processor; and a source element to expel a first plurality of drops of a substance with a known density through a medium, and under a set of conditions. The processor executes the computer readable instructions to calculate uncalibrated volumes for the first plurality of drops using respective images of drops in the first plurality of drops. The source element expels a second plurality of drops of the first substance through the medium, and under the first conditions. The processor executes the computer readable instructions to: calculate, using a weight for the second plurality of drops and the known density, actual volumes for the second plurality of drops; and generate, using uncalibrated volumes and the actual volumes, an equation to modify the uncalibrated volumes to match the actual volumes.

Abstract: The present invention relates to a system for detecting the remaining quantity of liquid hydrogen stored in a hydrogen storage device. In this system, the remaining quantity of liquid hydrogen is calculated accurately without being affected by the previous state in a tank. The internal pressure of the tank is detected. A fixed heat quantity is applied into the liquid hydrogen. The pressure in the tank after the application of heat quantity is detected. The volume of phase-transited hydrogen gas is calculated based on the heat quantity applied into the tank. The change amount of pressure in the tank before and after the application of heat quantity is calculated based on the pressure and the pressure. The remaining quantity of liquid hydrogen in the tank is calculated based on the volume of hydrogen gas and the change amount of pressure.

Abstract: A method includes retrieving at least one first measurement associated with material in a tank from a memory at a level gauge. The method also includes comparing the at least one first measurement to at least one second measurement associated with the material in the tank. The method further includes determining whether a difference between the at least one first measurement and the at least one second measurement exceeds a threshold. In addition, the method includes identifying a current level of the material in the tank in a first manner if the difference does not exceed the threshold or a second manner if the difference does exceed the threshold. The first manner could include correcting a level measurement using the difference between the at least one first measurement and the at least one second measurement. The second manner could include identifying an offset value based on differences between pairs of level measurements.

Abstract: A level sensing circuit board featuring at least one processor and at least one memory including computer program code, where the at least one memory and computer program code are configured, with the at least one processor, to cause the apparatus at least to: respond to a signal containing information related to the electrical conductivity of a material causing a stimulus to a sensing plate that corresponds to a positive plate of a capacitor directly connected to an input of a comparator that forms part of a variable frequency oscillator; and determine a proportional response containing information about the material causing the stimulus to the sensing plate based at least partly on the signal received. The level sensing circuit may be used as a means to turn a pump on or off based on a sensed fluid level.

Abstract: A method for determining the adequacy of the refrigerant charge in an air conditioning system based upon both the instantaneous degree of subcooling present in the liquid refrigerant in the refrigerant line at a location whereat only liquid refrigerant is present and a calculated average subcooling value based upon accumulated instantaneous subcooling values. The adequacy of the refrigerant charge in the system may be indicated by an alert indicating “check charge” or by a series of lights including a first indicator light indicating that the refrigerant charge is low, a second indicator light indicating that the refrigerant charge is high, and a third indicator light indicating that the refrigerant charge is correct.

Abstract: The volume of liquid that remains in a liquid storage is calculated by measuring capacitances between several pairs of metal plates attached to each of several corresponding faces of the liquid storage and by combining liquid volumes corresponding to the capacitance based on the current position of the liquid storage. Such a method of measuring the volume of liquid can be used to measure the amount of fuel that remains in a fuel cell system.

Abstract: According to various embodiments disclosed herein, battery power may be conserved by reducing the number of transmissions made by a liquid level monitoring system. The efficiency of a liquid level monitoring system may also be improved by reducing or avoiding fuel outages and unnecessary replenishment. Certain embodiments may be configured according to a schedule for making measurements. The measurement may then be compared against one or more thresholds to determine whether to transmit the measurements. A variety of thresholds may be specified and utilized to determine when it is appropriate to transmit the measurements. Further, various embodiments may be configured to detect a change in a monitored condition. Upon the detection of a change in the monitored condition, a measurement may be made and compared to an established threshold for a tank.

Abstract: An apparatus for generating a measure of fluid. The apparatus comprises a flow meter and a pulser having an identifier and a memory. The pulser is associated with the flow meter for generating pulser data indicative of a volume of fluid delivered through the flow meter. The pulser may alter the pulser data using correction data stored in its memory to generate altered pulser data. The pulser may store at least one of the pulser data and the altered pulser data in the memory. The apparatus further comprises a switch operatively connected to the pulser's memory. The switch is operative to vary the memory of the pulser between a write-protected and a write-enabled mode. Also, the apparatus comprises a controller in communication with the pulser and a serial communication circuit which enables communication between the pulser and the controller. Communication between the controller and the pulser includes the identifier.

Abstract: A method of gravimetric volume determination is described in which a load cell can be calibrated either outside of an analytic analyzer for gravimetric calibration of the analyzer, or in a fully automated manner inside the analyzer.

Abstract: A system for monitoring level of a liquid in a reservoir of a machine is provided. The system includes a liquid sensor (112) that measures said level of said liquid in said reservoir, a fixed voltage feed (110) that generates a regulated voltage, a sampling unit (114) that samples one or more parameters of the machine and a calibration unit (124) that calibrates the system for monitoring the level of said liquid in a reservoir of a machine in one or more modes to obtain a mathematical relation between the parameter and the level of the liquid. The calibration unit executes a calibration process during a first mode and obtains a calibrated data that corresponds to the parameter during a second mode.

Abstract: A liquid level sensing system, including: an input acoustic waveguide, and an output acoustic waveguide, positioned extending into liquid to be sensed; the input waveguide being arranged to receive acoustic energy; an acoustic sensor attached to the output waveguide for sensing acoustic energy at the output waveguide that has been transferred from the input waveguide to the output waveguide by being acoustically coupled by the liquid; and a processor arranged to process timing characteristics of the sensed acoustic energy to determine a measure of the liquid level.

Abstract: A method includes transmitting wireless signals towards a material in a tank and receiving wireless signals reflected off the material. The method also includes calculating a phase velocity of the wireless signals reflected off the material and identifying a level of the material in the tank using the phase velocity. Calculating the phase velocity of the wireless signals could include identifying a plurality of linearly-spaced frequencies and performing linear interpolation using the data identifying the wireless signals to identify data points at the linearly-spaced frequencies. The identification of the data points at the linearly-spaced frequencies could represent the only interpolation operation performed during the calculation of the phase velocity and the identification of the level of the material. Moreover, a mismatch could exist between an inner diameter of a stillpipe through which the wireless signals are transmitted and a diameter of an antenna used to receive the wireless signals.

Abstract: A method for determining an amount of a liquid energy commodity in storage in an underground cavern generally comprises the steps of: establishing a volume function for a brine pond associated with the underground cavern; acquiring an image of the brine pond; transmitting the acquired image to a central processing facility; analyzing the acquired image to calculate a depth of the brine in the brine pond; estimating the volume of the brine in the brine pond based on the calculated depth and using the volume function; determining the amount of the liquid energy commodity in storage in the underground cavern associated with the brine pond based on the estimated volume of the brine in the brine pond; and communicating information about the amount of the liquid energy commodity in storage to a third-party market participant.

Abstract: The invention relates to a device including: at least one fluid-using apparatus; at least one movable tank capable of and intended for providing at least the fluid and connected, via pipes, to the fluid using apparatus, the movable tank containing, at the outset, a given initial amount of the gas; and a means for assessing amounts of the fluid that are used by the fluid using apparatus from the movable tank, the assessment means being rigidly connected to the fluid-using apparatus.

Abstract: A transit-time fill-level measuring device for measuring the fill level of a filling material in a container is stated, in which transit-time fill-level measuring device information about the topography of the filling material surface is determined on the basis of the shape of a single echo curve of the receiving signal. From this the fill volume can then be derived.

Abstract: A method for online condition-based monitoring (CBM) of a tank farm including a plurality of storage tanks includes providing a tank model including a diagnostic and/or predictive tank model based on calculated tank metrics that is derived from historical data including tank operation data. The calculated tank metrics include tank operational metrics based on the tank operational data for the storage tanks and tank condition metrics based on tank inspection or maintenance data for the storage tanks. The tank model provides relationships between the tank condition metrics and the tank operational metrics. Results are generated using the tank model including at least one failure indicia for at least a first of the storage tanks using the calculated tank metrics and current measured data for the first tank as inputs to the tank model. The failure indicia is processed for scheduling at least one maintenance task for the first tank.

Abstract: Storage of information, such as baseline information and structure ID, in a memory that is mounted on the structure, rather than inside the diagnosis hardware. This allows for faster and more convenient information retrieval. In particular, this approach allows for a more modular system in which different diagnosis hardware or other analyzers can be simply plugged into a structure's sensor network, whereupon they can quickly download any desired structure-specific information (e.g., baseline information, structure ID, and other useful information) from the on-structure memory.

Abstract: A liquid level determination system to determine the level of a liquid in a wet we is disclosed. The system may include pressure determination components and a pressure pipe with a pressure sensing pipe end located adjacent to the pressure determination components and a bubbler pipe end locatable at least partially in the wet well. A transducer is used to determine a pressure level within the pressure pipe maintained by a bubbler air compressor. A level detection processor may analyze the pressure level to determine a liquid level in the wet well. An interference dampener is included to mitigate interference originating from the bubbler air compressor. The interference dampener may be provided by transducer plug to restrict air flow. Alternatively, the interference dampener may be provided by a computer operated program to monitor and mitigate the interference.

Abstract: Apparatus, including an ultrasonic liquid level gauge and control system, includes a gauge configured to be coupled on the outside of a device, having a boiler or hot water tank, having liquid contained therein. The gauge is also configured to receive and contain a small part of the liquid of the device; and an ultrasonic transducing and signal processing arrangement configured to: reflect an ultrasonic pulse off a liquid surface of the small part of the liquid of the device contained in the gauge, and determine the level of liquid in the device based at least partly on a time of flight analysis related to the ultrasonic pulse reflected off the liquid surface of the small part of the liquid of the device contained in the gauge.

Abstract: A method and apparatus for determining a fluid level and/or output flow during operation of a centrifugal pump, are provided, which may be used for production of gas and/or oil from a well, and include a vector feedback model to derive values of torque and speed from signals indicative of instantaneous current and voltage drawn by the pump motor, a pump model which derives values of the fluid flow rate and the head pressure for the pump from torque and speed inputs, a pumping system model that derives, from the estimated values of the pump operating parameters, an estimated value of fluid level and other pumping system parameters. Controllers responsive to the estimated values of the pumping system parameters control the pump to maintain fluid level at the pump input, near an optimum level, or within a safe operating range and/or output flow from the pump.

Abstract: Method for preparing a chemical delivery line for delivery. In one implementation, the method may include starting a flow of a semiconductor solution from a vessel into the chemical delivery line coupled to the vessel, measuring a volume of the semiconductor solution flowing through the chemical delivery line, and performing a subsequent process when the volume of the semiconductor solution is equal to or greater than the volume of the chemical delivery line.

Abstract: A system includes a probe configured to be raised and lowered in a tank that is configured to receive a material. The system also includes a connector coupled to the probe and having at least one type of coding encoded on the connector. The system further includes a main unit configured to raise and lower the probe using the connector, digitally capture information associated with the at least one type of coding on the connector, determine a level reading identifying a level of the material in the tank using the captured information, and wirelessly transmit the determined level reading.

Abstract: An embodiment of the present invention may incorporate a physics based approach (hereinafter “model”) to determine the level of the liquid. The model may incorporate the physical properties of the fluids within the container, and measurements of the fluid under consideration. The model may also incorporate data from measuring devices, such as, but not limiting of, a delta-pressure (DP) transmitter. The model may then calculate, within a reasonable level of accuracy, the level of the fluid within the container.

Abstract: A pressure gauge may be coupled to a vessel into which a liquid chemical is to be dispensed. The volume of the vessel may be known and a control device may determine an initial pressure of the vessel using the pressure gauge. A volume of liquid chemical may be dispensed into the vessel which may cause the pressure within the vessel to increase to a second pressure. The control device may determine the second pressure using the pressure gauge may calculate the volume of liquid chemical dispensed into the vessel using the volume of the vessel, the initial pressure of the vessel, and the second pressure of the vessel.

Abstract: A method includes receiving data identifying wireless signals including wireless signals reflected off a surface of material in a tank and detecting a plurality of reflection peaks associated with the wireless signals. The method also includes classifying at least some of the detected reflection peaks and tracking at least some of the classified reflection peaks. The method further includes identifying a level of the material using at least one of the tracked reflection peaks. The classified peaks could include main-mode and/or high-mode reflection peaks, where the material level is identified using the main-mode peak or using an estimated location of the main-mode peak based on the high-mode peak. The classified peaks could also include level, bottom, and obstruction peaks, where the material level is identified by using a known permittivity, the bottom peak, and a tank height to estimate a location of the level peak when the level peak is lost or obscured.

Abstract: Systems and methods are provided for determining the size of particles within a fluidized bed reactor. The pressure of gas adjacent a gas inlet and adjacent a gas outlet of the reactor are measured with pressure sensors. An algorithm is applied to at least one of the pressure measurements to determine the size of particles within the reactor. The determined size of the particles can be used to control the operation of the reactor. A dosing system and method is provided for measuring defined volumes of particles for transport to the reactor.

Abstract: A Stein Hall cup for measuring the viscosity of a starch adhesive is automated to provide viscosity measurement in real time using a PLC or other data gathering and control processor. Temperature of the adhesive is measured concurrently with viscosity and temperature signals are processed with the timed viscosity signal to provide a temperature compensated value of starch viscosity.

Abstract: Technologies are described herein for wirelessly measuring liquid quantity in an enclosure. According to various aspects, an incident electromagnetic wave is transmitted within a conductive enclosure. One or more rebound electromagnetic waves that correspond to the incident electromagnetic wave are received. Using the rebound electromagnetic waves, a transfer function of the rebound electromagnetic waves is measured and a quantity of liquid stored in the enclosure is calculated based on the measured transfer function.

Abstract: In one aspect, the present invention is directed to a system for preventing and detecting fuel theft from a fuel tank, the system comprising: a perforated casing (18), to be installed into the fuel inlet (28) of the fuel tank, the casing adapted to prevent a pipe from passing therethrough into the tank; a door (14), disposed at the opening (30) of the perforated casing, for blocking in the closed state thereof the inlet (30) to the fuel tank; a safety-catch mechanism, for retaining the door closed when the tank comprises more than a predefined quantity of fuel or to allow opening of the door just when the net is uplifted to the height of the top of the tank.

Abstract: A method for batch implementation of settings in a renal replacement therapy device including: displaying on a user interface control settings which may be manually selected by an operator; selecting an independent control setting of the plurality of control settings; adjusting the independent control setting to an independent control setting level selected by an operator; temporarily storing the adjusted independent control setting level; automatically adjusting a dependent control setting level based upon the independent control level; displaying the adjusted independent control setting level and the adjusted dependent control setting, and implementing both the adjusted independent control setting level and the adjusted dependent control setting to control the device, by actuating a batch setting acceptance operation.