Abstract: A machine includes a machine substrate and a dielectric layer formed over at least a portion of the machine substrate. A monitoring system for the machine includes a sensor subsystem that includes a first portion of the machine substrate and a portion of the machine dielectric layer formed over the first portion of the machine substrate. The monitoring system also includes a sensor electromagnetic structure disposed on the portion of the machine dielectric layer. The sensor electromagnetic structure includes at least one sensor conducting subcomponent. The sensor electromagnetic structure is configured to regulate electromagnetic fields incident thereto in response to at least one measurement characteristic of a machine measurand. The sensor subsystem is configured to obtain at least one measurement characteristic of the machine measurand proximate a machine sensing position.

Abstract: An implantable device system is disclosed. The implantable device system includes, a first energy transceiver system, a second energy transceiver system at least partially implanted within an organic tissue and capable of communication with the first energy transceiver system, and a sensing system capable of communication with the second energy transceiver system. An implantable device system array is also disclosed. A method of monitoring a physical parameter is also disclosed.

Abstract: A system for metering gas is presented. The system includes a housing configured to allow a flow of the gas between an input port and an output port. Further, the system includes a flow manager disposed in the housing and configured to modify at least one physical characteristic of the flow of the gas in the housing. Furthermore, the system includes a flow sensor disposed in the housing and configured to generate an electrical signal in response to flow characteristics of the gas in the housing. Moreover, the system also includes a processor configured to determine at least one flow parameter of the gas based on an amplitude characteristic of the electrical signal, a temporal characteristic of the electrical signal, or both the amplitude characteristic and the temporal characteristic of the electrical signal. A method for metering the gas is also presented.

Abstract: A passive sensor is configured to detect one or more operational parameters of a gas turbine. The passive sensor is coupled to the gas turbine. The passive sensor is also configured to extract a portion of energy from the one or more operational parameters to utilize for operation, store an indication of a value of the one or more operational parameters, transition from a first mechanical state to a second mechanical state according to the value of the one or more operational parameters, and to provide a signal in response to receiving an interrogation signal. The signal comprises the indication of the value of the one or more operational parameters.

Abstract: X-ray imaging systems are provided that include an X-ray source and an X-ray detector. A filtering device is positioned between the X-ray source and the X-ray detector and includes one or more micro-filters each adapted to transition between an X-ray filtering position and an X-ray non-filtering position. A controller is programmed to control operation of the micro-filters.

Abstract: A well integrity inspection system configured to inspect a well structure including multiple concentric layers. The well integrity inspection system includes an inspection probe positioned in the well structure. The inspection probe includes a plurality of excitation assemblies for transmitting a plurality of radiation emissions into the well structure. The plurality of excitation assemblies includes at least a neutron excitation assembly and an X-ray excitation assembly. The inspection probe also includes a plurality of detection assemblies configured to receive a plurality of backscatter radiation returns from the well structure. The plurality of detection assemblies includes at least a neutron detection assembly and an X-ray detection assembly. The well integrity inspection system further including a processor operatively coupled to the inspection probe.

Abstract: Systems and method for flow sensing are provided. One system includes a flow conduit configured to allow fluid flow therethrough, a flow disturber disposed in the flow conduit and configured to impart a flow disturbance to the fluid flow and an actuator operably connected to the flow disturber to control the flow disturber to impart the flow disturbance to the fluid flow. The system further includes a plurality of sensors disposed in the flow conduit that are configured to have a geometrical and functional relationship with the flow conduit and the flow disturber, wherein the plurality of sensors are responsive to flow characteristics in the flow conduit. The system also includes a processor operably coupled to the plurality of sensors and configured to determine a flow rate of the fluid flow in the flow conduit using timing characteristics to select a processing method.

Abstract: Systems and methods for flow sensing in a conduit are provided. One system includes a flow disturber disposed in a flow conduit and configured to impart a flow disturbance to the fluid flow. The system further includes a plurality of flow sensors disposed in the flow conduit and responsive to flow characteristics in the flow conduit. The system also includes a frequency resolver configured to determine frequency information related to the fluid flow based on the flow characteristics. The frequency resolver uses one or more time sample windows to select data samples for use in determining the frequency information, wherein a length of one or more of the time sample windows is based at least in part on the flow characteristics. The system additionally includes a processor configured to determine a flow rate of the fluid flow in the flow conduit using the frequency information.

Abstract: X-ray imaging systems are provided that include an X-ray source and an X-ray detector. A filtering device is positioned between the X-ray source and the X-ray detector and includes one or more micro-filters each adapted to transition between an X-ray filtering position and an X-ray non-filtering position. A controller is programmed to control operation of the micro-filters.

Abstract: A battery cell that comprises a sensing platform with sensing elements configured to provide information about in-situ characteristics and parameters of the battery cell. Embodiments of the battery cell can have the sensing platform integrated into the structure of the battery cell, as a separate structure incorporated in the battery cell, and combinations thereof. In one embodiment, the battery cell comprises a sensing platform having sensing elements proximate a localized measurement region, where the sensing platform comprises a substrate with material layers disposed thereon. The material layers comprise at least one sensing layer that forms the sensing elements so that the sensing elements are responsive to properties of the battery cell.

Abstract: A wireless sensor including a resistive element, a modulating element located on a rotating component and at least one of a transmitting element and a receiving element, wirelessly coupled to the modulating element. The modulating element is configured to modulate the wireless coupling, between the at least one of a transmitting element and a receiving element, in response to a change in resistance in the resistive element. The modulation of the wireless coupling is indicative of a measurand on the rotating component. A method of detecting a measurand in a rotating component of a rotary machine includes wirelessly coupling at least one of a transmitting element and a receiving element to a modulating element; modulating the wireless coupling with the modulating element located on the rotating component; and calculating the measurand in the rotating component based on the modulation of the wireless coupling.

Abstract: A battery cell that comprises a sensing platform with sensing elements configured to provide information about in-situ characteristics and parameters of the battery cell. Embodiments of the battery cell can have the sensing platform integrated into the structure of the battery cell, as a separate structure incorporated in the battery cell, and combinations thereof. In one embodiment, the battery cell comprises a sensing platform having sensing elements proximate a localized measurement region, where the sensing platform comprises a substrate with material layers disposed thereon. The material layers comprise at least one sensing layer that forms the sensing elements so that the sensing elements are responsive to properties of the battery cell.

Abstract: A remote monitoring system is presented. The system includes a sensor unit disposed in the electrical device, and configured to obtain measurement characteristics in response to a measurand of the electrical device, obtain reference characteristics insensitive to the measurand of the electrical device, and communicate the measurement characteristics and the reference characteristics using time varying electromagnetic fields.

Abstract: Systems and methods for temperature compensated flow sensing are provided. One system includes a flow disturber disposed in a flow conduit, wherein the flow disturber is configured to impart a flow disturbance to the fluid flow. The system further includes a plurality of flow sensors disposed in the flow conduit, wherein the plurality of sensors are responsive to flow characteristics in the flow conduit. The system also includes at least one temperature sensor disposed in the flow conduit, wherein the at least one temperature sensor is responsive to temperature characteristics in a vicinity of the plurality of flow sensors. The system additionally includes a measurand separator configured to generate an output signal based on at least one of the flow characteristics or temperature characteristics. The system includes a processor configured to determine a temperature compensated flow rate of the fluid flow in the flow conduit using the output signal.

Abstract: Systems and methods for flow sensing in a conduit are provided. One system includes a flow disturber disposed in a flow conduit and configured to impart a flow disturbance to the fluid flow. The system further includes a plurality of flow sensors disposed in the flow conduit and responsive to flow characteristics in the flow conduit. The system also includes a frequency resolver configured to determine frequency information related to the fluid flow based on the flow characteristics. The frequency resolver uses one or more time sample windows to select data samples for use in determining the frequency information, wherein a length of one or more of the time sample windows is based at least in part on the flow characteristics. The system additionally includes a processor configured to determine a flow rate of the fluid flow in the flow conduit using the frequency information.

Abstract: A flow sensor system including a flow sensor assembly is provided. The sensor assembly may be configured to allow fluid flow through a flow conduit. A flow disrupter may be disposed in the flow conduit to impart disturbances to the fluid flow. A by-pass channel may be in fluid connection with the flow conduit and may be arranged to have a geometrical relationship relative to the flow conduit and the flow disrupter to affect flow characteristics in the bypass channel. One or more sensors may be disposed in the by-pass channel to generate a signal responsive to the flow characteristics in the bypass channel. In a first flow regime, the flow characteristics in the bypass channel may effect an amplitude response of the sensor, and in a second flow regime, the flow characteristics may effect a temporal response of the sensor.

Abstract: An implantable device system is disclosed. The implantable device system comprises, a first energy transceiver system, a second energy transceiver system at least partially implanted within an organic tissue and capable of being interrogated by the first energy transceiver system, and a sensing system, wherein a state of the sensing system is available at the second energy transceiver system.

Abstract: A system for measuring a plurality of operating parameters of an object in a harsh environment is provided. The system includes a first energy transceiver system configured to transceive energy signals. The system also includes a transcieved modulant coupled to the first energy transceiver system. The system further includes a second energy transceiver system at least partially disposed on the object and capable of being interrogated by the first energy transceiver system. The second energy transceiver system still further includes a sensing system. The system also includes a processor coupled to the first energy transceiver system. The processor is configured to determine of the plurality of the operating parameters of the object in the harsh environment based upon the transceived modulant.

Abstract: A flow sensor assembly is provided and includes a flow conduit configured to impart a disturbance to a flow, multiple sensors disposed at respective sensing locations along the flow conduit. Each sensor is responsive to the disturbance of the flow and generates a corresponding response signal. The flow sensor assembly further includes a processor operably connected to each sensor, the processor being configured to compute a cross-correlation function between the response signals generated by said sensors, and determine a flow rate and a direction for the flow through the conduit based on the computed cross-correlation function. Additional flow sensor assembly arrangements are also disclosed.

Abstract: Systems and method for acoustic detection using flow sensors are provided. One system includes a flow conduit configured to allow fluid flow therethrough and a flow disrupter configured to impart a flow disturbance to the fluid flow. The system also includes at least one of a first sensor or a second sensor. The first sensor is disposed within the flow conduit at a first position, wherein the first sensor is responsive to first disturbances and configured to generate signals characteristic of the first disturbances. The second sensor is disposed within the flow conduit at a second position, wherein the second sensor is responsive to second disturbances and configured to generate signals characteristic of the second disturbances. The system additionally includes a processor operably coupled to the first and second sensors, wherein the processor is configured to distinguish between signals characteristic of the first and second disturbances.