24 results about "Wireless telemetry" patented technology

A system comprising: a bottom hole assembly having a MWD tool comprising: a wireless telemetry module; sensor(s); a MWD processor; and medium storing instructions that when executed by the MWD processor cause the MWD processor to: obtain, from the sensor(s), a measurement value of a downhole parameter; determine an encoding format for the measurement value by comparing the measurement value to at least two ranges with each range associated with a separate encoding format having a compression level; apply the determined encoding format to the measurement value to generate a compressed measurement value; and transmit, utilizing the wireless telemetry module using wireless telemetry, the compressed measurement value; and a surface computer system configured to decode the compressed measurement value and utilize the decoded measurement value.

A system and method for facilitating bi-directional authentication between an external device and an implanted medical device (IMD), wherein a therapy application executing on the external device is operative to communicate with the IMD via wireless telemetry communications. Certified security credentials for respective devices may be provisioned with respect to the therapy application. Upon initiating wireless telemetry communications, respective certified security credentials are mutually verified by the external device and the IMD. Responsive to successful verification, a mutual authentication process may be executed between the external device and the IMD using a respective challenge-response sequence.

The invention discloses a wireless telemetering device for wheel torque measurement, which comprises a first wheel and a second wheel, the second wheel is positioned on one side of the first wheel and is connected with the first wheel, and the first wheel and the second wheel have the same structure and are arranged at the shaft end of a drive axle side by side; tyres are installed on the peripheries of rims of the first wheel and the second wheel respectively, the tires make contact with the ground so as to bear the weight of the whole vehicle and increase the adhesive force between the tires and the ground, and a plurality of strain gauges are installed at the same positions of spokes of the first wheel and the second wheel respectively. According to the invention, wireless transmission and measurement of the rotation signal of the wheel torque sensor can be realized on the premise of not influencing the normal operation of the wheel, the structure is simple, the installation space is saved, the cost is low, the rotation torque of the wheel can be measured in real time, and the obtained torque signal can provide technical support for the energy management of the whole vehicle and the fatigue performance analysis of the wheel.

The invention relates to the technical field of submarine cable protection, in particular to a submarine cable near-shore breakage-proof intelligent dual-mode linkage matrix warning method. The method is applied to a warning device for preventing a near-shore submarine cable from being damaged in an intelligent dual-mode linkage matrix mode, the warning device comprises a red-green double-color LED warning board, a red-green double-color laser lamp and a dual-mode linkage matrix controller, multi-node time synchronization is achieved through Beidou satellite positioning, and linkage of warning signals is ensured; the radar module, the meteorological detector and the underwater expelling device are arranged on the whole, and approaching objects are monitored and expelled in real time; the meteorological monitor automatically adjusts the intensity of the light curtain according to weather conditions, so that the warning effect in a low-visibility environment is improved; a solar power supply system guarantees long-term stable operation, and 4G wireless remote measurement realizes remote state monitoring; compared with a traditional scheme, the method has the advantages that the penetrating power and synchronism of the warning signal are enhanced, and the damage risk of the submarine cable is effectively reduced.

This invention discloses a networked, air-ground collaborative, multi-station unmanned aerial vehicle (UAV) control seamless handover system and method. The system includes a UAV, a control station comprising a ground control station and an airborne control station, and a three-node networked communication device. The ground and airborne control stations establish connections with the UAV through this communication device. Based on the control station's geographical location information and uplink communication quality, the UAV calculates in real-time location distance thresholds, communication link quality thresholds, and duration factors to determine handover conditions. If the conditions are met, a handover notification is sent. The control station transmits control authority via the communication device's network port according to the notification. The UAV reports control authority information via wireless telemetry, and the control station updates its display synchronously, achieving seamless handover of UAV control and ensuring continuity and safety in cross-regional operations.

This invention discloses a wireless telemetry transmission system with time-series synchronous encoding of multi-channel monitoring signals. A multi-source acquisition module collects multiple monitoring signals along the flood control wall of an urban waterfront space, including water level, wall seepage pressure, wall displacement, the status of the electrically controlled locks on flood control material storage seats, and the in-situ status of flood control components. A time-window synchronous encoding module uses water level change trigger points as the primary trigger reference, and combines seepage pressure response lag, wall displacement changes, and wireless link feedback delay to generate dynamic monitoring time windows. This generates time-series synchronization and cross-channel correlation for the multiple signals, forming a status combination data set and encapsulating it into a telemetry synchronous encoding frame. A wireless telemetry transmission module adjusts the transmission strategy according to linkage priority. A remote parsing and restoration module generates flood control risk levels and material activation determination results. A material linkage module activates the electrically controlled locks on the storage seats and outputs a flood control component assembly prompt, thereby improving the timeliness and reliability of flood control wall monitoring, transmission, and emergency response.

The invention discloses a submarine cable state remote wireless telemetering system and method based on LoRa, and belongs to the technical field of cable laying state monitoring, and the system comprises a plurality of state monitoring nodes arranged on a submarine cable, a relay node and a shipborne monitoring center. The analysis computer adaptively adopts different compensation strategies according to the monitored packet loss and missing proportion; during light packet loss, trend filling is executed by using the change rate of effective nodes and spatial correlation; during moderate packet loss, confidence weight dynamically attenuating along with interruption time is introduced into the reconstruction model; and during severe packet loss, extracting feature sub-blocks of the spatial physical association constraint matrix to execute order reduction calculation, and recovering data in combination with a spatial interpolation method. According to the method, the problem of data missing caused by unstable wireless communication under the extreme sea condition is solved through a hierarchical compensation mechanism, it is ensured that the state distribution of the whole submarine cable can be stably and accurately reconstructed and early warning can be output under the working conditions of different degrees of packet loss, and the robustness and construction safety of a submarine cable monitoring system are remarkably improved.

A system and method for facilitating device and application authentication between an external device and an implanted medical device (IMD), wherein a therapy application executing on the external device is operative to communicate with the IMD via wireless telemetry communications. A device authentication parameter may be decomposed into two key components, wherein one component may be stored in a cloud key vault and the other component may be distributed to the external device as an obfuscated portion embedded in the therapy application. Upon receiving the therapy application, the external device is operative to separately retrieve both key components and reconstitute the original authentication parameter therefrom, which may be presented to the IMD for authentication.

An analog or mixed-signal ASIC implements and trains a neural-network model entirely in the analog domain. Weights and activations are encoded as pulse frequencies. Forward propagation is performed by analog multipliers, while reverse-propagation error signals are conveyed through reverse directional nodes and error neurons that inject pulse-based corrections upstream, eliminating digital gradient arithmetic. Variable analog weight-storage elements—including field-effect transistors, switched-capacitor arrays, and phase-change memory—are updated in real time. Additional features include flash-ADC calibration with temperature compensation, auto-associative pattern completion, stochastic-computing variants, dynamic gate-array reconfiguration, and optional wireless telemetry. Continuous on-edge learning is achieved at ultra-low power for sensor-rich edge-AI applications.

A well system having a wellbore that intersects a subterranean formation, a valve station in the wellbore, and a primary controller on surface that communicates with the valve station using wireless telemetry. The valve station includes a valve member that controls a flow of fluid in the wellbore, an actuator for operating the valve member, and a valve controller that provides command signals to the actuator for positioning the valve member. The primary controller sends command signals that are receivable when the telemetry is operational. The valve controller is programmed to control operation of the valve actuator and valve member when telemetry is suspended and so that the valve station operates autonomously when out of signal communication with the primary controller and until signal communication is reestablished.

A bogie with online-monitored dynamic power and a rail vehicle are provided. The bogie with online-monitored dynamic power comprises wheels (1), a wireless transmission force measurement assembly (4), a wireless telemetry receiver assembly (5), and a controller. The wireless transmission force measurement assembly (4) measures load changes in the X, Y, and Z directions on the inside of a spoke plate (11) in each wheel (1) and converts load change information into a magnetic signal. The wireless telemetry receiver assembly (5) is wirelessly connected to the wireless transmission force measurement assembly (4) and receives the magnetic signal transmitted by the wireless transmission force measurement assembly (4) and transmits the magnetic signal to the controller.In the bogie with online monitored dynamic power, the wireless telemetry receiver assembly (5) is wirelessly connected to the wireless transmission force measurement assembly (4), so that the effect on the line connection during the vehicle forward movement process can be avoided and the safety and comfort of a vehicle can be monitored in real time during the vehicle forward movement process.

The application belongs to the technical field of mechanical fault diagnosis, and specifically discloses a wireless telemetry and edge diagnosis method and system based on compressed lightweight sensing, which comprises the following steps: collecting vibration and temperature signals of equipment, and pre-processing original signals; performing envelope detection on the pre-processed vibration data at the edge end, calculating the kurtosis values of the temperature data and the vibration data, and performing abnormality detection using the pre-set kurtosis values, and outputting fault information if there is abnormality; using discrete cosine Huffman dual-mode coding to compress and encode the pre-processed vibration data, and sending the encoded data by the telemetry node; and decoding and reconstructing the encoded data by the data receiving end through Huffman decoding and discrete cosine inverse transformation, and using a neural network to recognize faults. By using the technical scheme, the amount of transmission data is significantly reduced through data compression technology, thereby reducing the bandwidth requirement and transmission delay, and the fault diagnosis can be more efficiently performed.

The invention discloses a data acquisition system for observing a high-dynamic target image under a limited bandwidth condition. The data acquisition system comprises a visible light camera, an image compression device, a network switch, a wireless telemetry terminal and a storage device, wherein the visible light camera collects a target to obtain high-frame-frequency image data; the image compression device performs compression processing on the high-frame-frequency image data to obtain low-frame-frequency image data, and performs color restoration on the high-frame-frequency image data to obtain high-frame-frequency image data after color restoration; the network switch transmits the low-frame-frequency image data to the wireless telemetry terminal; the wireless telemetry terminal wirelessly downloads the low-frame-frequency image data to the ground; and the storage device stores the high-frame-frequency image data after color restoration. According to the invention, the capturing and restoring capability of the target in a high dynamic range is ensured, the requirement of real-time downloading under a limited bandwidth transmission condition is ensured, and the target attitude can be obtained in the whole flight task process.

A telemetry system is configured to monitor a temperature of a wafer disposed in a vacuum. The system may include a plurality of sensors configured to measure temperatures at a plurality of locations on the wafer. The system may also include a plurality of sensor signal conditioning circuits. Each sensor signal conditioning circuit may be coupled to a respective sensor of the plurality of sensors. The plurality of sensor signal conditioning circuits may be configured to convert a resistance from each of the plurality of sensors into low frequency sine waves defining respective frequencies proportional to the resistance. The system may also include a multiplexer configured to generate a composite modulated signal from the low frequency sine wave. The system may also include a frequency modulation (FM) transmitter configured to transmit the composite modulated signal to the outside of the vacuum.

A telemetry module system for mounting on a rotatable shaft is provided that includes a telemetry module and a connector ring. The telemetry module includes an annular TM housing, a plurality of transmitters, and a first connectivity board. The TM housing extends axially between first and second TM axial ends. Each transmitter is configured to produce RF signals based on sensor input signals. The first connectivity board has a ring configuration and is in signal communication with the transmitters. The connector ring (CR) has an annular CR housing and a second connectivity board. The CR housing extends axially between first and second CR axial ends. The second connectivity board has a ring configuration and is attached to the CR housing. The second connectivity board is configured to receive sensor input signals. The telemetry module and the connector ring are configured to be disposed in a coupled configuration.

Systems and methods for wireless downhole telemetry are provided. The system includes a tubular located in a wellbore; a pressure controller located at or near a surface of the wellbore to send a digital command via a change in a pressure applied to the tubular; and a receiver disposed in the wellbore, wherein the receiver includes a mechanical pressure switch to detect the change in the pressure applied to the tubular.

A drill string tool can be used in a drilling system, with the drill string tool configured for wireless communication. The drill string can include a central structural member, a wire coil, an antenna core, and a wear protection shell. The antenna core can surround the central structural member. The wire coil can be positioned around an outside of the antenna core, with the antenna core and the wire coil forming an antenna assembly. The antenna assembly can be configured to wirelessly transmit the data signals from electronics associated with the drill string tool. The wear protection shell can surround the antenna assembly and be configured to minimize a formation of eddy currents therein during operation of the antenna assembly. In an embodiment, the drill string tool can be a drill head wireless transmitter.

The invention provides a wireless remote measurement system and method for a wheel-rail load. The system comprises a sensor module, a wireless transmitting module, a wireless receiving module and a data processing and analyzing module, the sensor module comprises a plurality of strain sensors used for collecting wheel-rail contact force data in real time. The wireless transmitting module is wirelessly connected with the strain sensor and the wireless receiving module, and is used for encoding the collected sensor data and wirelessly transmitting the sensor data to the wireless receiving module; the wireless receiving module encodes the data and then transmits the data to the data processing and analyzing module, and the wireless receiving module is in wired connection or wireless connection with the data processing and analyzing module and used for decoding, processing and analyzing the data and generating a wheel-rail contact force test report. According to the invention, the overall reliability of the wheel-rail contact force test is improved, and a reliable data basis is provided for accurate analysis of the wheel-rail contact force.

A system for wireless transmission of power in deep subsurface monitoring includes a casing, an oscillating current source configured to energize the casing, and a wireless telemetry module disposed on the casing. The wireless telemetry module includes a shell, a toroidal antenna disposed within the shell and configured to collect electrical energy from the energized casing, a telemetry transceiver control unit disposed within the shell, a battery pack disposed within the shell, a downhole signal acquisition unit disposed within the shell, and a sensor interface disposed within the shell. The battery pack is configured to store the collected electrical energy. The telemetry transceiver control unit is configured to generate a binary code to drive the toroidal antenna.

The present application relates to the technical field of unmanned aerial vehicle flight control and fault diagnosis, and specifically discloses a kind of unmanned aerial vehicle flight control state diagnosis and fault solution scheme push method, the method includes the following steps: step one, flight control state acquisition, remote controller is communicated with unmanned aerial vehicle flight control by wireless telemetry link, the flight control is encapsulated by CRSF protocol after the state information of itself is returned to remote controller by MSP protocol, and remote controller receives and caches the state information in real time;Step two, inhibit unlocking reason bitmap analysis;Step three, fault reason localization translation and display;Step four, the identification and screening of solvable fault;Step five, fault solution two-dimensional code generation;Step six: flight control state real-time monitoring and interface switching.The detailed state information of flight control is obtained by MSP protocol, and localization translation is carried out on the remote controller side and is displayed in real time, and the function of providing two-dimensional code scanning to obtain the solution scheme is provided for common faults.

The application belongs to the field of aero-engine wireless telemetry technology, and provides a channel allocation method and system for microstrip antennas in a close-range rotating antenna. The method first measures the multi-dimensional transmission loss data between the transmitting antenna and the receiving antenna of the rotating antenna test system containing N microstrip antennas; based on the data, an initial available channel pool is constructed for each microstrip antenna; then, an iterative allocation strategy is adopted, taking the initial available channel pool as the initial value of the current available channel pool, and according to the current available channel pool and the allocated channel set, the largest channel in frequency distance from all allocated channels is allocated to each microstrip antenna in turn, and the current available channel pool of the remaining antennas is dynamically updated; finally, the allocation result is applied to the radio frequency telemetry system of the rotating part of the aero-engine. The application can effectively avoid the crosstalk between the microstrip antennas and ensure high-fidelity wireless parameter transmission under high-speed and variable-pitch working conditions.

A system and method for facilitating device and application authentication between an external device and an implanted medical device (IMD), wherein a therapy application executing on the external device is operative to communicate with the IMD via wireless telemetry communications. A device authentication parameter may be decomposed into two key components, wherein one component may be stored in a cloud key vault and the other component may be distributed to the external device as an obfuscated portion embedded in the therapy application. Upon receiving the therapy application, the external device is operative to separately retrieve both key components and reconstitute the original authentication parameter therefrom, which may be presented to the IMD for authentication.

The invention discloses a message sending verification measurement method, and relates to the technical field of wireless telemetry information transmission. According to the message sending verification measurement method, the integrity and consistency of the message are ensured through check code calculation and block chain storage, the integrity and consistency of the information are ensured through calculation and matching of the check codes at the information sending end and the information receiving end of the wireless telemetry system, the security of information transmission is improved, and the user experience is improved. By acquiring the message sending difference index, judging whether the information is abnormal in the wireless telemetering transmission process and accurately judging the abnormity in the information transmission process, efficient management and maintenance of remote equipment are facilitated, meanwhile, data loss can be effectively reduced through timely detection and response, the robustness and the anti-risk capability of the system are improved, and the reliability of the system is improved. And the quality index of the transmission channel is evaluated and the transmission parameters are dynamically adjusted, so that a powerful technical guarantee is provided for the wireless telemetering system in the information sending process in a complex environment.

A wireless data telemetry system for use in a drilling system can include a drill head wireless transmitter and at least one data link transceiver. The drill head wireless transmitter can be in a drill head of the drilling system, the drill head wireless transmitter configured to generate and transmit one or more data signals associated with a drilling process. The at least one data link transceiver can be wirelessly coupled to at least one of the drill head wireless transmitter or another data link transceiver, with the drill head wireless transmitter and the at least one data link transceiver configured to be physically coupled within a drill string and spaced apart from one another. The drill head wireless transmitter and the at least one data link transceiver together configured to wirelessly communicate the one or more data signals beyond a transmission range of the drill head wireless transmitter.