Patent application number | Description | Published |
20110087768 | CODING METHODS AND APPARATUS FOR BROADCAST CHANNELS - Methods and apparatus related to selecting and/or using different coding methods for a broadcast channel are described. The coding method to be used is selected as a function of an estimated level of congestion. Various methods and apparatus are well suited for use in peer to peer wireless communications systems including broadcast peer discovery channels. A wireless communications device, e.g., a mobile terminal supporting peer to peer signaling, detects peer discovery signals from other devices and estimates a level of congestion. The wireless communications device selects one of a plurality of alternative coding methods as a function of the estimated level of congestion. Two different coding methods which may be used, in some embodiments, vary in at least one of: coding rate, convolution code used, and amount of resources used. The wireless device transmits information indicating the selected coding method and coded peer discovery data in accordance with the selected coding method. | 04-14-2011 |
20110205887 | METHODS AND APPARATUS FOR COMMUNICATING INFORMATION USING VARIOUS TRANSMISSION POWER LEVELS - A wireless communications device supports a constant transmission power mode of operation and a time varying transmission power mode of operation for transmitting data, e.g., peer discovery data. The device determines an amount of network congestion and switches between the two modes of operation as a function of the determined amount of network congestion. Various described methods and apparatus are well suited for use in a peer to peer ad hoc wireless communications system in which a limited amount of air link resources are available for peer discovery signaling and the same peer discovery resources are, at times, used concurrently by multiple devices. When network congestion is low, the device operates in the constant transmission power mode. When network congestion is high, the device operates in the time varying power mode. Devices sharing a common peer discovery resource in a local area intentionally select different time varying transmission patterns. | 08-25-2011 |
20110292817 | METHODS AND APPARATUS FOR PREEMPTIVE BACKOFF FOR MEDIUM ACCESS IN WIRELESS PEER-TO-PEER NETWORKS - A method of operating a wireless device is provided in which a number of neighboring nodes is estimated, a medium access priority to access a communication resource in a current timeslot is determined, and whether to transmit a scheduling control signal in the current timeslot is determined based on the number of neighboring nodes and the medium access priority. | 12-01-2011 |
20110305208 | METHODS AND APPARATUS RELATED TO CONTROLLING ACCESS TO COMMUNICATIONS RESOURCES - Various methods and apparatus relate to controlling access to communications resources in a wireless communications system. Various described methods and apparatus are well suited for use in a peer to peer network in which resource access control is implemented in a distributed manner and wireless terminals compete for communications resources, e.g., compete for a peer to peer traffic segment. A wireless terminal generates QoS tokens within said wireless terminal at a rate which is a function of a QoS level associated with the wireless terminal and uses a generated token to control access to a communications resource. Generated tokens within the wireless terminal may be shared among the applications of the wireless terminal. | 12-15-2011 |
20110319114 | METHOD AND APPARATUS FOR USING AND/OR IMPLEMENTING CONTROL CHANNELS IN WHITE SPACE - Methods and apparatus related to control channels in a wireless communications system are described. Different white space bands may be available at different locations. A wireless terminal monitors control information from multiple potentially available communications channels. Control time slots corresponding to some different channels are intentionally time offset from one another. Some embodiments implement predetermined control slot timing synchronized with respect to an external timing source. In other embodiments, a wireless terminal selects a control time slot on a new channel as a function of control slot timing on channels already in use. A wireless terminal selects one of a plurality of communications channels for use in communicating information and determines a position of a control time slot to be used on the selected communications channels. The wireless terminal uses the control time slot on the selected communications channel to transmit and receive control information. | 12-29-2011 |
20120008570 | METHOD AND APPARATUS FOR SUPPORTING FREQUENCY DIVISION MULTIPLEXING OR TIME DIVISION MULTIPLEXING IN WIRELESS PEER-TO-PEER NETWORKS - A method of operating a wireless device includes determining a preferred subset of bands of a set of bands for communicating with a first node, communicating a scheduling request with the first node, and determining whether to schedule a data transmission on each band of the set of bands based on the preferred subset of bands and the scheduling request. | 01-12-2012 |
20120008571 | METHOD AND APPARATUS FOR DETECTION AND RESOLUTION OF RESOURCE COLLISION IN A PEER-TO-PEER NETWORK - A method of operating a wireless device includes selecting a connection identifier with a first node, receiving a scheduling control signal on a resource associated with the connection identifier, and determining a presence of a second node transmitting on the same resource associated with the connection identifier based on the received scheduling control signal. | 01-12-2012 |
20120089682 | METHODS AND APPARATUS FOR SUPPORTING SHARING OF PRIVILEGES IN A PEER TO PEER SYSTEM - Various methods and apparatus relate to sharing QoS privileges between devices having a higher service level subscription and devices having lower service level subscription. QoS privileges are associated with a QoS service level which is in turn tied to devices, e.g., based on a service level subscription of the device. Devices with higher service level subscription are entitled to superior QoS privileges than the devices with lower service level subscription. In various embodiments a first device with higher QoS service level provides, to a second device having lower QoS service level, information used to obtain a QoS privilege to which the first device is entitled. Thus the second device entitled to lower QoS privileges is provided with the superior QoS privileges on a limited basis, e.g., for communicating with the first device corresponding to the higher QoS service level. | 04-12-2012 |
20120147857 | METHODS AND APPARATUS FOR RESOLVING TRANSMISSION PRIORITY IN A WIRELESS PEER-TO-PEER NETWORK - Methods and apparatus for initiating a traffic transmission between a first device and a second device are disclosed. One method includes determining whether the first device has a receive priority or a transmit priority over the second device during a first data frame, determining whether the first device has data to transmit to the second device during the first data frame, transmitting, from the first device, a receive priority control signal during a receive priority control slot (Rxp) corresponding to the first data frame if the first device has the receive priority and no data to transmit, and transmitting, from the first device, a transmit priority control signal during a transmit priority control slot (Txp) corresponding to the first data frame if the first device has the transmit priority and data to transmit. | 06-14-2012 |
20130059614 | METHODS AND APPARATUS FOR IDENTIFYING AND/OR SELECTING CHANNELS - A decentralized approach to peer discovery channel selection is used in some embodiments. In some such embodiments, a mobile wireless terminal supporting a peer to peer signaling protocol, independently determines what channels to use for peer discovery without a central controller indicating the channel or channels to be used. Assuming channels are of a suitable quality, the channels having the best quality need not be identified, with channel selection being made on a predetermined channel ordering basis from those with suitable quality. Different wireless communications devices in the system use the same peer discovery channel selection process making it likely that the same channel or channels will tend to be picked to be used for peer discovery. Other embodiments are directed to implementing a centralized approach to peer discovery channel selection in which a central controller or base station selects channels to be used for peer discovery signaling. | 03-07-2013 |
20130064089 | METHODS AND APPARATUS FOR TRAFFIC CONTENTION RESOURCE ALLOCATION - Methods and apparatus for allocating traffic contention resource units in a wireless communications system in which decisions are made in a distributed manner are described. A wireless communications device, corresponding to a link, self allocates resource units for traffic contention. Decisions regarding initially acquiring resources, relinquishing acquired resources, and/or acquiring additional resources for traffic contention are based on detected levels of network congestion and/or detected changes in network congestion. A wireless communications device detects a level of network congestion and determines a number of resource units to acquire for traffic contention based on the detected level of network congestion. | 03-14-2013 |
20130065621 | METHODS AND APPARATUS FOR ADAPTIVE PARTITIONING OF LINKS - Methods and apparatus for efficiently scheduling links in wireless communications networks are described. Various described methods and apparatus are well suited for use in ad hoc wireless networks in which scheduling decisions are made in a distributed and/or decentralized manner. In some embodiments, the links in a network, e.g., in a peer to peer ad hoc network, are adaptively grouped based on comparable link channel gain. Exemplary signaling used, in some but not necessarily all embodiments, by devices to estimate channel gains include broadcast connection identifier signals and reverse broadcast connection identifier signals. Grouping links into sets based on comparable link channel gain, and selectively ordering the scheduling priorities of the different groups, is used to improve scheduling efficiency, e.g., decrease the likelihood that unnecessary yielding occurs. | 03-14-2013 |
20130083699 | METHODS AND APPARATUS FOR DISTRIBUTED MEDIUM ACCESS IN WIRELESS PEER-TO-PEER NETWORKS - An apparatus, a method of the apparatus, and a computer program in the apparatus are provided in which the apparatus determines a group to which each of a plurality of wireless devices is associated based on signals received from the plurality of wireless devices. The apparatus selects a group for access to a wireless medium from a plurality of groups based on the group determined for each of the plurality of wireless devices and based on reducing interference with the plurality of wireless devices. Each of the plurality of groups has a different priority. The apparatus communicates using peer-to-peer communication on the wireless medium with a priority based on the selected group. | 04-04-2013 |
20140024378 | METHOD OF USING UE DISCOVERY FOR PAGING OPTIMIZATION - Methods and apparatus are described for refining, e.g., reducing, a paging area corresponding to a user equipment device, e.g., a cellular inactive UE device. Various embodiments are well suited for communications systems in which user equipment devices participate in peer to peer communications networks in which direct user device to user device communications are employed. A user equipment device participating in a peer to peer network transmits discovery signals. A femto base station and/or a cellular active UE device in the local vicinity of the UE device transmitting the peer to peer discovery signal eavesdrops on the peer discovery signaling and detects the presence of the cellular inactive UE device. The detection of the cellular inactive UE device is reported to a MME. The MME determines a paging area corresponding to the detected UE device based on the reported information and the location of the reporting device. | 01-23-2014 |
20140194130 | METHODS AND APPARATUS FOR EFFICIENT CO-EXISTENCE OF MACRO AND SMALL CELLS - A femto base station (BS) maintains two different timings: a femto BS downlink timing and a femto BS uplink timing. A femto base station's uplink reference timing is based on the macro uplink timing being used by one or more UE devices in the local vicinity of the femto BS. In some embodiments, the femto BS synchronizes its femto uplink timing to the macro uplink timing being used by the closest UE device transmitting uplink signals to the macro BS. In other embodiments, the femto BS determines its femto base station uplink timing based on one or more uplink signals from UE devices in its vicinity transmitting to the macro BS. In various embodiments, femto cell uplink signals and macro cell uplink signals are received at a femto cell BS in synchronization. This approach facilitates frequency division multiplexing (FDM) in the uplink between a macro cell and a femto cell. | 07-10-2014 |
20140254564 | METHODS AND APPARATUS TO CONTROL INTERFERENCE - Methods and apparatus for controlling interference with regard to important control signals, e.g., synchronization signals and broadcast channel signals, are described. A configurable base station monitors for and receives signals from other base stations in its local vicinity and determines the implemented frame timings corresponding to the other deployed base stations. If possible, the configurable base station selects to use a frame timing offset which is different from the frame timing offsets being used by the other base stations. In some embodiments, symbol level and subframe level synchronization are maintained between the base stations; however, frame level synchronization may, and sometimes does vary. Different adjacent base stations may, and sometimes do, intentionally offset their frame boundaries by multiples of a subframe. | 09-11-2014 |
20140256328 | COMMUNICATIONS METHODS AND APPARATUS THAT FACILITATE HANDOVER DECISIONS AND RELATED MEASUREMENTS - Methods and apparatus that facilitate handover related measurements and decision making in a communications system including user equipment (UE) devices, a macro base station and femto base stations (femtocells) are described. In some embodiments a UE device transmits pilots along with identification information using UE device selected transmission resources from a set of recurring UE pilot transmission resources dedicated by a macro base station for UE pilot signal and related device information transmission purposes. Femto base stations measure the UE transmitted pilot signals and report the signal strength measurement results and corresponding device identifiers to a handoff decision control entity, e.g., an eNodeB or control node, which makes handover decisions. By relying on UE transmitted pilots measured by multiple base stations, e.g., femto base stations, the need for femto cells to transmit pilots can be reduced while well informed UE handoff decisions still being possible. | 09-11-2014 |
20140269464 | COMMUNICATIONS METHODS AND APPARATUS THAT FACILITATE DISCOVERY OF SMALL COVERAGE AREA BASE STATIONS - A communications system includes a plurality of different types of small coverage area base stations, e.g., femto cell base stations, WiFi access points and Bluetooth access points within a macro cell. Different user equipment (UE) devices, e.g., different smartphones, include different capabilities. In order for UE devices and small coverage area base stations with compatible capabilities to efficiently discover one another, the various small coverage area base stations and various UE devices utilize the macro cell communications band and macro cell communication protocol to coordinate device discovery and exchange discovery information and control information which allows a UE device to access a compatible small coverage area base station and subsequently communicate user data, e.g., traffic data, with the UE device. | 09-18-2014 |
Patent application number | Description | Published |
20080317090 | METHOD AND APPARATUS FOR THERMOGRAPHIC NONDESTRUCTIVE EVALUATION OF AN OBJECT - A method and system for determining thermal diffusivity and porosity of an article are provided. The method comprises heating a surface of the article, capturing image data corresponding to an evolution of lateral heat flow from the surface of the article, applying a thermal time of flight analysis on the image data and determining thermal diffusivity and porosity values of the article using the thermal time of flight analysis for the lateral heat flow. | 12-25-2008 |
20090039877 | EDDY CURRENT SYSTEM AND METHOD FOR ESTIMATING MATERIAL PROPERTIES OF PARTS - A method of inspecting a test part is provided. The method includes positioning an eddy current probe on a surface of the test part and scanning the test part using the eddy current probe to generate a first signal corresponding to a no lift-off condition of the test part. The method further includes positioning the eddy current probe at a pre-determined distance from the surface of the test part and scanning the test part using the eddy current probe positioned at the pre-determined distance from the test part to generate a second signal corresponding to a lift-off condition of the test part. The method also includes processing the first and second signals to estimate an electrical conductivity of the test part. | 02-12-2009 |
20090079424 | ELECTROMAGNETIC RESONANCE FREQUENCY INSPECTION SYSTEMS AND METHODS - A method of inspecting a test part is provided. The method includes positioning a coil on a surface of the test part and exciting the coil at a resonance frequency. The method also includes determining at least one of a resonance frequency shift and a quality factor of the coil and estimating an electrical conductivity of the test part based on at least one of the resonance frequency shift and the quality factor of the coil. The method further includes obtaining depth profile of residual stress using conductivity measurements at various resonance frequencies. | 03-26-2009 |
20100134098 | COMPOSITE SYSTEMS, ARTICLES INCORPORATING THE SYSTEM, METHODS FOR IN-SITU, NON-DESTRUCTIVE TESTING OF THESE AND ARRAY PROBES USEFUL FOR THE METHODS - The invention provides composite systems, articles comprising the composite system, methods for the in-situ, non-destructive testing of the articles and/or composite systems, as well as array probes useful in the methods. The composite systems comprise a curable resin and at least one plurality of detectable particles. | 06-03-2010 |
20100321012 | DRIVE COIL, MEASUREMENT PROBE COMPRISING THE DRIVE COIL AND METHODS UTILIZING THE MEASUREMENT PROBE - The invention provides a drive coil and measurement probe comprising the drive coil. The measurement probes can be used, for example, in in-situ, non-destructive testing methods, also provided herein. | 12-23-2010 |
20110090110 | SYSTEM AND METHOD FOR INSPECTING A WIND TURBINE BLADE - A wind turbine blade inspection system includes a frequency modulated continuous wave radar system configured to be movable with respect to a wind turbine blade while transmitting reference microwave signals and receiving reflected microwave signals and a processor configured for using a synthetic aperture analysis technique to obtain a focused image of at least a region of the wind turbine blade based on the reflected microwave signals. | 04-21-2011 |
20110215799 | MAGNETIC INSPECTION SYSTEMS FOR INSPECTION OF TARGET OBJECTS - Inspection systems provided herein may include a drive coil capable of being excited to generate a substantially uniform magnetic field about an object. The object includes a ferromagnetic adhesive adhered thereto. The inspection systems may also include an array of sensor coils adapted to detect the magnetic field from the drive coil after the magnetic field interacts with the ferromagnetic adhesive and to produce a voltage output corresponding to the detected magnetic field. | 09-08-2011 |
20120025827 | NUCLEAR QUADRUPOLE RESONANCE SYSTEM AND METHOD FOR STRUCTURAL HEALTH MONITORING - Structural health monitoring using nuclear quadrupole resonance is disclosed. For example, in one embodiment, a method of monitoring stress is provided. The method includes scanning a composite using an NQR spectrometer, the composite having a polymer matrix and a microcrystalline material disposed in the matrix. The microcrystalline material includes molecules having nuclei with respective nuclear quadrupole moments. The method also includes determining microscopic strain distribution indices of the composite from the NQR scans to quantify stress and identify precursors to failure in the composite. | 02-02-2012 |
20120043962 | METHOD AND APPARATUS FOR EDDY CURRENT INSPECTION OF CASE-HARDENDED METAL COMPONENTS - A method for determining a case depth of a hardened layer in a surface of a metal object includes: (a) placing an eddy current probe at a location adjacent the surface; (b) using the eddy current probe, generating a time-varying eddy current in the object; (c) using the eddy current probe, outputting a measured eddy current and providing a signal representative of the measured eddy current to a computer; (d) using the computer, comparing the time-varying measured eddy current to a correlation of measured eddy currents to known case depths; and (e) determining the case depth at the location of the probe based on the correlation. | 02-23-2012 |
20120134809 | SYSTEM AND METHOD FOR DETECTING LOADS TRANSMITTED THROUGH A BLADE ROOT OF A WIND TURBINE ROTOR BLADE - In one aspect, a system for detecting loads transmitted through a blade root of a rotor blade of a wind turbine is disclosed. The system may include a root attachment assembly configured to couple the blade root to a hub of the wind turbine. The root attachment assembly may include a barrel nut mounted within a portion of the blade root and a root bolt extending from the barrel nut. In addition, the system may include a sensor associated with the root attachment assembly. The sensor may be configured to detect loads transmitted through at least one of the barrel nut and the root bolt. | 05-31-2012 |
20120134810 | SYSTEM AND METHOD FOR DETECTING AND/OR CONTROLLING LOADS IN A WIND TURBINE - A system for detecting loads in a wind turbine is disclosed. In one aspect, the system may generally include a shaft and first and second pillow blocks receiving portions of the shaft. The second pillow block may be spaced axially apart from the first pillow block. Additionally, the system may include at least one sensor configured to indirectly detect loads transmitted through at least one of the first pillow block and the second pillow block. | 05-31-2012 |
20120245860 | SYSTEM AND METHOD FOR MONITORING HEALTH OF STATOR VANES - A system including a plurality of sensing devices configured to generate acoustic emission (AE) signals that are representative of acoustic emission waves propagating through a plurality of stator vanes is presented. The system further includes a processing subsystem that is in an operational communication with the plurality of sensing devices, and the processing subsystem is configured to generate a dynamic threshold based upon an initial threshold and the AE signals, determine whether a plurality of signals of interest exist in the AE signals based upon the dynamic threshold, extract the plurality of signals of interest from the AE signals based upon the dynamic threshold, determine one or more features corresponding to the plurality of signals of interest, and analyze the one or more features to monitor and validate the health of the plurality of stator vanes. | 09-27-2012 |
20130027060 | SYSTEMS AND METHODS FOR NON-DESTRUCTIVELY MEASURING CALORIE CONTENTS OF FOOD ITEMS - A calorie estimating device for measuring a calorie content of a food item is provided. The device comprises a holder substrate, a transmitter antenna configured to transmit ultra-wide band (UWB) signals to at least a portion of the food item disposed on a side of the holder substrate, wherein the transmitter antenna comprises a planar antenna, a first receiver antenna configured to receive at least a portion of UWB signals reflected by the food item, wherein the first receiver antenna comprises a planar antenna, and a second receiver antenna configured to receive at least a portion of UWB signals propagated through the food item, wherein the second receiver antenna comprises a planar antenna. | 01-31-2013 |
20130183153 | SYSTEM FOR DETECTING AND CONTROLLING LOADS IN A WIND TURBINE SYSTEM - A wind turbine system comprising a rotatable hub, wind turbine blades attached to the hub, a rotatable shaft mechanically coupled to the hub, a non-shaft-contacting sensor assembly comprising sensors for detecting signals representative of loads induced in the rotatable shaft and a processor for analyzing the signals representative of the loads induced in the rotatable shaft and providing control signals to in response to the induced loads. | 07-18-2013 |
20140052410 | CREEP LIFE MANAGEMENT SYSTEM FOR A TURBINE ENGINE AND METHOD OF OPERATING THE SAME - A creep life management system includes at least one sensor apparatus coupled to a first component. The at least one sensor apparatus is configured with a unique identifier. The creep life management system also includes at least one reader unit coupled to a second component. The at least one reader unit is configured to transmit an interrogation request signal to the at least one sensor apparatus and receive a measurement response signal transmitted from the at least one sensor apparatus. The creep life management system further includes at least one processor programmed to determine a real-time creep profile of the first component as a function of the measurement response signal transmitted from the at least one sensor apparatus. | 02-20-2014 |
20140067185 | IN-SITU ROBOTIC INSPECTION OF COMPONENTS - Methods and systems for inspecting a component within an assembled turbomachine are disclosed. At least one miniature robotic device having a non-destructive testing structure attached thereto is configured to travel around a surface of the component. The non-destructive testing structure gathers data related to the surface, and sends the data to a computing device connected to the at least one miniature robotic device. In one embodiment, the non-destructive testing structure comprises an image capture device and an infrared (IR) heat source. | 03-06-2014 |
20140075954 | Methods And Systems For Substance Profile Measurements In Gas Turbine Exhaust - Methods and systems for substance profile measurements in gas turbine exhaust. In an embodiment, a concentration of a substance may be determined and associated with a combustor out of a plurality of combustors. An alert may be transmitted in reference to the combustor when the concentration of the substance crosses a threshold level. | 03-20-2014 |
20140119914 | LOAD CONTROL SYSTEM AND METHOD - Load control systems and methods for shafts are provided. The load control system includes a sensor assembly. The sensor assembly includes a plurality of ultrasonic probes mounted to the shaft, each of the plurality of ultrasonic sensors configured to produce an ultrasonic wave on the shaft. The sensor assembly further includes a plurality of receivers mounted to the shaft, each of the plurality of receivers configured to sense the ultrasonic wave produced by one of the plurality of ultrasonic probes. The load control system further includes a controller communicatively coupled to the sensor assembly and configured to measure a travel time of the ultrasonic wave produced by each of the plurality of ultrasonic probes. | 05-01-2014 |
20140139211 | MAGNETIC INSPECTION SYSTEMS FOR INSPECTION OF TARGET OBJECTS - Inspection systems provided herein include drive coils capable of being excited to generate a substantially uniform magnetic field about an object. The object includes a ferromagnetic adhesive adhered thereto. The inspection systems may also include an array of sensor coils adapted to detect the magnetic field from the drive coils after the magnetic field interacts with the ferromagnetic adhesive and to produce a voltage output corresponding to the detected magnetic field. | 05-22-2014 |
20140202130 | MULTI-COLOR PYROMETRY IMAGING SYSTEM AND METHOD OF OPERATING THE SAME - A multi-color pyrometry imaging system for a high-temperature asset includes at least one viewing port in optical communication with at least one high-temperature component of the high-temperature asset. The system also includes at least one camera device in optical communication with the at least one viewing port. The at least one camera device includes a camera enclosure and at least one camera aperture defined in the camera enclosure, The at least one camera aperture is in optical communication with the at least one viewing port. The at least one camera device also includes a multi-color filtering mechanism coupled to the enclosure. The multi-color filtering mechanism is configured to sequentially transmit photons within a first predetermined wavelength band and transmit photons within a second predetermined wavelength band that is different than the first predetermined wavelength band. | 07-24-2014 |
20150063412 | SYSTEMS AND METHODS FOR PLANAR TEMPERATURE MEASUREMENT - Various embodiments include systems and apparatuses adapted for detecting two-dimensional turbomachine exhaust temperature. In some embodiments, a system includes a two-dimensional grid sized to mount within an exhaust path of a gas turbomachine, a radiation detection device for detecting radiation emitted from the two-dimensional grid at a plurality of points on the two-dimensional grid, the radiation detection device being mountable proximate the exhaust path and the two-dimensional grid and at least one computing device connected with the radiation detection device, the at least one computing device configured to generate a planar map of the temperature of the exhaust from the gas turbomachine based upon the intensity of the radiation emitted from two-dimensional grid detected at the plurality of points on the two-dimensional grid. | 03-05-2015 |
20150315992 | METHODS AND SENSOR MODULE FOR CONTROLLING COMBUSTION EMISSION PARAMETERS IN A COMBUSTION SYSTEM - Methods and a sensor module for use in controlling operation of a gas turbine system are provided herein. The sensor module is coupled within a combustion system and is configured to obtain an aspirated exhaust sample of exhaust flowing through an exhaust duct. The exhaust is generated by the combustion system. The aspirated exhaust sample is analyzed to determine a plurality of exhaust parameters. The sensor module also controls at least one combustion system parameter in a closed loop emission control (CLEC) system based on at least one of the plurality of exhaust parameters. | 11-05-2015 |
20150322813 | EMBEDDED WIRELESS SENSORS FOR TURBOMACHINE COMPONENT DEFECT MONITORING - Various embodiments include detection systems adapted to monitor at least one physical property of a component in a turbomachine. In some embodiments a detection system includes at least one sensor configured to be affixed to a component of a turbomachine, the at least one sensor for sensing information regarding at least one physical property of the turbomachine component during operation of the turbomachine, a signal converter communicatively coupled to the at least one sensor and at least one RF communication device configured to be affixed to a stationary component of the turbomachine, the radio frequency communication device configured to communicate with the at least one signal converter via an RF antenna coupled to the signal converter. | 11-12-2015 |