Abstract: This disclosure provides example methods, devices, and systems for a sensor having a front seal. In one embodiment, a system may comprise a sensing element; a header coupled to the sensing element; a housing coupled to the header; a screen joined to an adaptor and coupled to the housing, wherein a first gap separates the adapter and the sensing element and a second gap separates the adapter and the header; and wherein a stress applied at a front surface of the adapter is transferred to the housing, and the first gap is used to isolate the sensing element from the stress and the second gap is used to isolate the header from the stress.

Abstract: A method, device, or system is provided for improving dynamic pressure measurements. In one embodiment, a method comprises receiving, at a filter structure having a restricting tube, an input pressure having a static pressure (PS), a lower-frequency dynamic pressure (PLD) and a higher-frequency dynamic pressure (PHD); filtering, by the restricting tube, the input pressure to substantially pass an output pressure having the static pressure (PS), the lower-frequency dynamic pressure (PLD), and an attenuated higher-frequency dynamic pressure (PHD); and outputting, from the filter structure, the output pressure.

Abstract: This disclosure provides example methods, devices, and systems for a sensor having a Helmholtz resonator. In one embodiment, a system may comprise a sensing element; a header coupled to the sensing element; a housing coupled to the header; an adaptor coupled to the housing; a screen disposed in an opening of the housing, wherein a first cavity is disposed between the screen and the sensing element and a second cavity is disposed between the adaptor and the sensing element, and the screen in combination with the first cavity and the second cavity form a Helmholtz resonator.

Abstract: This disclosure provides example methods, devices, and systems for a two dimensional material-based pressure sensor. A sensor device is provided that includes a substrate having a back electrode, a conductive layer in communication with the back electrode, and an insulating layer coupled to the conductive layer. The insulating layer includes one or more cavity regions. A sensor membrane comprising a two-dimensional material is disposed adjacent to the insulating layer and covering at least one of the one or more cavity regions. A first sensing electrode is in electrical communication with a first region of the sensor membrane, and a second sensing electrode is in communication with a second region of the sensor membrane. The sensor membrane is configured to respond to pressure changes exerted on the sensor device.

Abstract: This disclosure provides example methods, devices, and systems for a sensor having a front seal. In one embodiment, a system may comprise a sensing element; a header coupled to the sensing element; a housing coupled to the header; an adaptor coupled to the housing, wherein a first gap separates the adapter and the sensing element and a second gap separates the adapter and the header; and wherein a stress applied at a front surface of the adapter is transferred to the housing, and the first gap is used to isolate the sensing element from the stress and the second gap is used to isolate the header from the stress.

Abstract: This disclosure provides example methods, devices and systems associated with filter structures employed with sensors. In one embodiment, a method comprises receiving, at a first filter having a plurality of pores, a pressure, wherein the pressure includes a static pressure component and a dynamic pressure component; filtering, by the first filter, at least a portion of the dynamic pressure component of the pressure; outputting, from the first filter, a filtered pressure; and wherein the filtered pressure is used to determine the dynamic pressure component.

Abstract: This disclosure provides example methods, devices, and systems for a sensor having a Helmholtz resonator. In one embodiment, a system may comprise a sensing element; a header coupled to the sensing element; a housing coupled to the header; an adaptor coupled to the housing; a screen disposed in an opening of the housing, wherein a first cavity is disposed between the screen and the sensing element and a second cavity is disposed between the adaptor and the sensing element, and the screen in combination with the first cavity and the second cavity form a Helmholtz resonator.

Abstract: Certain implementations of the disclosed technology may include systems and methods for extending a frequency response of a transducer. A method is provided that can include receiving a measurement signal from a transducer, wherein the measurement signal includes distortion due to a resonant frequency of the transducer. The method includes applying a complementary filter to the measurement signal to produce a compensated signal, wherein applying the complementary filter reduces the distortion to less than about +/?1 dB for frequencies ranging from about zero to about 60% or greater of the resonant frequency. The method further includes outputting the compensated signal.

Abstract: This disclosure provides systems and methods for a two-dimensional material-based accelerometer. In one embodiment, an accelerometer comprises a substrate; a membrane suspended over an opening in the substrate to form a suspended membrane, wherein the membrane is composed of a two-dimensional material; a mass structure coupled to the suspended membrane; and wherein the mass structure distorts the suspended membrane about a first axis in response to an applied acceleration providing a first change in a conductance of the suspended membrane so that the applied acceleration along the first axis can be detected.

Abstract: A pressure transducer assembly that uses static pressure compensation to capture low-level dynamic pressures in high temperature environments. In one embodiment, a method comprises receiving, at a first tube, a pressure, wherein the pressure includes a static pressure component and a dynamic pressure component; receiving, at a micro-filter, the pressure; filtering, by the micro-filter, at least a portion of the dynamic pressure component of the pressure; outputting, from the micro-filter, a filtered pressure; receiving, at a first surface of a first sensing element, the pressure; receiving, at a second surface of the first sensing element, the filtered pressure; measuring, by the first sensing element, a difference between the pressure and the filtered pressure, wherein the difference is associated with the dynamic pressure component of the pressure; and outputting, from the first sensing element, a first pressure signal associated with the dynamic pressure component of the pressure.

Abstract: A method for processing data requests may include storing data on a client device received from a data provider maintaining the data. A request may be received to modify the data maintained by the data provider. After connectivity to the data provider is available, the request may be sent to the data provider. After connectivity is not available the request may be processed based on the data stored on the client device and the modified data may be stored on the client device.

Abstract: This disclosure provides example methods, devices, and systems for a sensor having a Helmholtz resonator. In one embodiment, a system may comprise a sensing element; a header coupled to the sensing element; a housing coupled to the header; an adaptor coupled to the housing; a screen disposed in an opening of the housing, wherein a first cavity is disposed between the screen and the sensing element and a second cavity is disposed between the adaptor and the sensing element, and the screen in combination with the first cavity and the second cavity form a Helmholtz resonator.

Abstract: This disclosure provides example methods, devices, and systems for a sensor having a front seal. In one embodiment, a system may comprise a sensing element; a header coupled to the sensing element; a housing coupled to the header; an adaptor coupled to the housing, wherein a first gap separates the adapter and the sensing element and a second gap separates the adapter and the header; and wherein a stress applied at a front surface of the adapter is transferred to the housing, and the first gap is used to isolate the sensing element from the stress and the second gap is used to isolate the header from the stress.

Abstract: A pressure transducer assembly that uses static pressure compensation to capture low-level dynamic pressures in high temperature environments. In one embodiment, a method comprises receiving, at a first tube, a pressure, wherein the pressure includes a static pressure component and a dynamic pressure component; receiving, at a micro-filter, the pressure; filtering, by the micro-filter, at least a portion of the dynamic pressure component of the pressure; outputting, from the micro-filter, a filtered pressure; receiving, at a first surface of a first sensing element, the pressure; receiving, at a second surface of the first sensing element, the filtered pressure; measuring, by the first sensing element, a difference between the pressure and the filtered pressure, wherein the difference is associated with the dynamic pressure component of the pressure; and outputting, from the first sensing element, a first pressure signal associated with the dynamic pressure component of the pressure.

Abstract: A method for providing mapping between a first data model and a second data model may include sending a request for metadata to a data producer providing data using the second data model. The metadata may be received from the data producer and analyzed to determine a structure of the second data model. System tables may be created based on the analysis of the metadata. The system tables may include data tables to store data from the data producer and to provide the mapping between the metadata of the second data model and the data tables in the first data model. Requests may be made to the data producer for data to be retrieved and populated in the data tables using the first data model.

Abstract: This disclosure provides example methods, devices, and systems for a two dimensional material-based pressure sensor. A sensor device is provided that includes a substrate having a back electrode, a conductive layer in communication with the back electrode, and an insulating layer coupled to the conductive layer. The insulating layer includes one or more cavity regions. A sensor membrane comprising a two-dimensional material is disposed adjacent to the insulating layer and covering at least one of the one or more cavity regions. A first sensing electrode is in electrical communication with a first region of the sensor membrane, and a second sensing electrode is in communication with a second region of the sensor membrane. The sensor membrane is configured to respond to pressure changes exerted on the sensor device.

Abstract: A method, device, or system is provided for improving dynamic pressure measurements. In one embodiment, a method comprises receiving, at a filter structure having a restricting tube, an input pressure having a static pressure (PS), a lower-frequency dynamic pressure (PLD) and a higher-frequency dynamic pressure (PHD); filtering, by the restricting tube, the input pressure to substantially pass an output pressure having the static pressure (PS), the lower-frequency dynamic pressure (PLD), and an attenuated higher-frequency dynamic pressure (PHD); and outputting, from the filter structure, the output pressure.

Abstract: A pressure transducer assembly that uses static pressure compensation to capture low-level dynamic pressures in high temperature environments. In one embodiment, a method comprises receiving, at a first tube, a pressure, wherein the pressure includes a static pressure component and a dynamic pressure component; receiving, at a micro-filter, the pressure; filtering, by the micro-filter, at least a portion of the dynamic pressure component of the pressure; outputting, from the micro-filter, a filtered pressure; receiving, at a first surface of a first sensing element, the pressure; receiving, at a second surface of the first sensing element, the filtered pressure; measuring, by the first sensing element, a difference between the pressure and the filtered pressure, wherein the difference is associated with the dynamic pressure component of the pressure; and outputting, from the first sensing element, a first pressure signal associated with the dynamic pressure component of the pressure.

Abstract: A pressure transducer assembly that uses static pressure compensation to capture low-level dynamic pressures in high temperature environments. The pressure transducer assembly combines a static-dynamic pressure transducer with a micro-filter element to achieve a compact system that can be used in extreme temperature applications where low-level, dynamic pressure measurements are required in a high pressure environment.

Abstract: A transducer comprising a filter assembly that measures low amplitude, dynamic pressure perturbations superimposed on top of a high static pressure through the implementation of a low-pass mechanical filter assembly. The filter assembly may comprise a dual lumen reference tube and a removable filter subassembly further comprising a porous metal filter and narrow diameter tube. The transducer, which may be capable of operating at ultra-high temperatures and in harsh environments, may comprise of a static piezoresistive pressure sensor, which measures the large pressures on the order of 200 psi and greater, and an ultrasensitive, dynamic piezoresistive pressure sensor which may capture small, high frequency pressure oscillations on the order of a few psi. The filter assembly may transmit static pressure to the back of the dynamic pressure sensor to cancel out the static pressure present at the front of the sensor while removing dynamic pressure.