112 results about "Digital sensors" patented technology

The invention provides a test risk digital twinning early warning method based on multi-domain cooperative monitoring, and belongs to the technical field of virtual-real fusion test and digital twinning, and the method comprises the steps: firstly, building a fine finite element simulation model which comprises a digital tool system, a digital sensor and a test piece and considers nonlinearity; secondly, performing nonlinear finite element simulation analysis, and constructing a multi-level mechanical response field inversion reduced-order model; thirdly, completing the construction of a complete sensor data set through a data filling algorithm, and carrying out the failure judgment of the first hierarchical structure based on the complete sensor data set; and finally, carrying out future loading level sensor data prediction and completing failure judgment of a second hierarchical structure. Carrying out full-field mechanical response inversion and online real-time correction; and performing response inversion of the region of interest to realize failure judgment of the third hierarchical structure. According to the invention, real-time dynamic monitoring and early warning of the structure test risk can be realized, the real-time performance, the robustness and the accuracy are high, and a powerful guarantee is provided for the safety and the reliability of the structure test.

The invention discloses a ternary internet-of-things battery management system, particularly relates to the technical field of lithium battery management, realizes lithium battery thermal safety closed-loop management through multi-sensor fusion, and comprises the following steps: deploying a digital sensor array to obtain time-space associated data; constructing a spatio-temporal feature vector including fusion of a local temperature gradient, a neighborhood temperature gradient and a stress coupling ratio; a density clustering algorithm is adopted to dynamically divide spontaneous heating, radiant heat and stress coupling clusters, and cluster boundaries are updated in real time; calculating a dual thermal coupling coefficient based on a clustering result, and eliminating the interference of temperature reading through a dual temperature compensation formula; a three-level alarm mechanism of a radiant heat proportion, a stress coupling degree and a compensation error is established, a side gateway is linked to realize parameter adaptive optimization, and the thermal runaway early warning precision and the structural failure detection rate are improved; strain monitoring resource optimization is realized through physically-driven key point screening and dynamic graph neural network prediction.

Embedded sensor structures and stretchable embedded sensor films including a plurality of embedded sensor packages are described. An embedded sensor structure may include a sensor package including an integrated circuit (IC) die and sensor die bonded to a front side of the IC die, with the sensor die including a diaphragm that is deflectable toward a cavity. A planarization layer laterally surrounds the sensor package, and metal routing is formed on a top side of the sensor die and spanning over the planarization layer. Other aspects are also described and claimed.

The present invention relates to the technical field of rice yield prediction. Disclosed is a rice yield prediction method based on unmanned aerial vehicle remote sensing image processing. In the method, vegetation indices (VIs), spectral indices, and color indices of rice at different growth stages are collected by an unmanned aerial vehicle, and the rice yield is predicted by using single-date VIs and multi-date VIs based on multispectral (MS) and digital (RGB) images. Both MS and RGB digital sensors on an unmanned aerial vehicle are reliable platforms for rice growth and yield prediction, and it is feasible to estimate the rice yield on the basis of dual-sensor data and temporal accumulation across different growth stages, so that full-growth-stage monitoring of rice can be performed, the influence of spectral indices and color indices at different growth stages on the rice yield can be evaluated, and the pre-harvest grain yield can be predicted in a timely and accurate manner, thereby facilitating rice production management and grain trade.

The invention discloses a carbon dioxide emission monitoring system and a control method thereof, belongs to the technical field of digital monitoring control, and aims to solve the problems of localization, large abnormal recognition deviation and regulation and control lag of traditional monitoring. The method comprises the following steps of: acquiring production parameters and carbon flow characteristic variables of each production link through a multi-dimensional sensing network constructed by a digital sensor, and constructing a time-space association data set according to a time-space association mapping system of the production parameters and the carbon flow characteristic variables; constructing a carbon flow association rule base based on historical data mining association rules and identification common association rules, embedding a multi-level carbon flow model to construct a hierarchical digital twinborn model, and correcting deviation in combination with current data; the model is utilized to periodically predict carbon flow, acquire carbon flow four-element distribution data to judge emission abnormity, construct a reference variable sequence to identify abnormal production links and production equipment, generate target production parameters and execute feedback, and complete-flow carbon flow accurate control is realized.

The invention discloses an all-digital PVT sensor based on a ring oscillator, and relates to the field of PVT sensors, the all-digital PVT sensor comprises a process sensing circuit, a voltage sensing circuit and a temperature sensing circuit, the process sensing circuit comprises a process detection ring oscillator, the voltage sensing circuit comprises a voltage detection ring oscillator, and the temperature sensing circuit comprises a temperature detection ring oscillator. The temperature sensing circuit comprises a temperature sensitive ring oscillator; under the control of an enable signal, the process detection ring oscillator, the voltage detection ring oscillator and the temperature-sensitive ring oscillator start oscillation, and the process corner, the temperature and the power supply voltage of the detected chip are determined based on the oscillation frequencies of the process detection ring oscillator, the voltage detection ring oscillator and the temperature-sensitive ring oscillator. The PVT sensor is completely realized based on a digital circuit, an additional analog module does not need to be introduced, the area overhead is greatly reduced, and the PVT sensor has remarkable area advantage and structural simplicity while the high-precision detection capability is maintained.

According to the automatic driving simulation test method, device, equipment and medium provided by the invention, a vehicle digital sensor module can provide physically accurate sensor sensing capability including noise and error modeling, so that simulation is closer to an actual driving scene, and the sensing performance of an automatic driving system in various complex environments can be tested; according to the invention, a closed loop of the digital sensor, the automatic driving, the vehicle dynamics model, the environment simulation module and the digital sensor is formed, the whole process test of the automatic driving system from sensing, decision making to control is realized, the system performance can be continuously iteratively optimized, and the stability, safety and reliability of the system under different working conditions are comprehensively verified.

Systems and methods for metering consumption of a resource include: a sensor comprising a display and configured to: sense a consumption of the resource; display said consumption on the display; and convert said consumption into digital sensor data; an imaging device configured to capture images of the display of the sensor; and a communications interface configured to transmit the digital sensor data and data describing one or more of the images of the display to a remote server.

In one embodiment, a method for authenticating a user with an electronic device is disclosed. The method incudes receiving digital sensor data from a motion sensor over a signal acquisition time period; deleting a beginning portion of the digital sensor data prior to the signal acquisition time period; suppressing signal components in the data associated with voluntary movement of the user; signal processing the suppressed digital sensor data to extract signal features representing neuro muscular tone of the user; tabulating the extracted signal features over periods of time into a feature vector table; executing a predictive model with the feature vector table; generating a numerical degree of matching level based on the feature vector table and the user parameter set; and making a determination to either authorize the user or not based on the numerical degree of matching level. The predictive model is trained by a user parameter set.

A high lift system monitoring arrangement (24) includes: a sensor (32), a monitoring unit (34) connected to the sensor (32), wherein the monitoring unit (34) includes: an acquisition module (46), that acquires an analog sensed information (AI) from the sensor (32), a processing module (48) having a first processing circuitry (48A) and a second processing circuitry (48B), different from the first circuitry, wherein the first processing circuitry (48A) processes the analog sensed information (AI) into a first digital sensor data (DD1), the second processing circuitry (48B) processes the analog sensed information (AI) into a second digital sensor data (DD2).

The function extension device includes: a first connection end portion connected to the digital sensor; a second connection end that is connected to a higher-level device that communicates with the digital sensor; an unvarnished transmission part for transmitting a signal between the first connection end part and the second connection end part; and an additional function unit that provides an additional function for executing a predetermined process with respect to the digital sensor, the upper-level device, or the signal.

The processing board (2) for a sensor (1) includes: - an interface (5) comprising at least a first set (5a) of terminals configured to be connected to a set of terminals (10a) of an analog sensor board (3a) that provides an analog signal, and at least a second set (5b) of terminals configured to be connected to a set (10b) of terminals of a digital sensor board (3b) that provides a first digital signal, and - a processing module (6) connected to the second set (5b) of terminals and configured to be connected to the first set (5a) of terminals.

The invention provides a digital sensor for measuring air pressure parameters. The digital sensor comprises a waterproof sealing gasket, an electric connector, a shell, a wire, a digital circuit board, a hexagonal copper column, an analog circuit board, an adapter, a sensitive element and a connecting nozzle. An anti-aliasing design and a temperature compensation design are adopted on the circuit. The pressure sensor has the advantages of supporting low-voltage power supply, being miniaturized, high in precision, high in reliability, high in environmental adaptability and the like, and lays a technical foundation for subsequent signal acquisition and analysis and localization technical research of the pressure sensor.

The application provides a data acquisition method, system and storage medium. The data acquisition method comprises: in response to compensation sensing initialization, sampling a reference channel to obtain a compensation reference value; calculating a difference between half of a maximum sampling range voltage and the compensation reference value to obtain a sampling voltage compensation value; connecting an N+1 channel and / or an N-1 channel to a maximum range voltage, where N is a positive integer; and sampling an N channel based on the sampling voltage compensation value to obtain analog-to-digital conversion sampling data of the N channel. The application uses a compensation sensing mode to reduce the error between the voltage value read by a register and the actual voltage value, uses adjacent channels connected to a maximum range voltage, reduces the crosstalk influence of an analog-to-digital sensor, and minimizes the influence of adjacent enabled channels.

This invention discloses a wireless distributed networking test system and method for climate environment testing, relating to the field of wireless distributed networking test technology. The system includes at least one environmental chamber for placing the product under test (DUT), which is located within a pre-constructed distributed wireless local area network (WLAN). The WLAN includes a wireless base station and at least one wireless node, with one wireless node installed in each environmental chamber. At least one type of digital sensor is also installed in each environmental chamber. Each type of digital sensor is used to collect at least one type of parameter to be measured within the environmental chamber. The digital sensors transmit the collected parameters to the wireless node within their respective environmental chamber via a digital bus. The wireless node transmits the parameters to be measured within its environmental chamber to a test control terminal via the wireless base station. This invention solves the problem of low testing efficiency caused by complex cable laying in existing systems by constructing a distributed wireless local area network to transmit test data during the testing process.

The invention relates to phase-coherent read-out of sensor nodes (3) of a magnetic resonance imaging system (1) with a digital serial communication network (2). According to the invention, the network (2) comprises multiple sensor nodes (3) for detecting a radio frequency signal from a patient who is under examination by the magnetic resonance imaging system (1), and a host node (4) which is connected to the sensor nodes (3) via a network link (5) for merging and processing digital sensor data received from the sensor nodes (3), wherein the host node (4) comprises a receiver (6) connected to the network link (5) for receiving data over the network link (5), and a transmitter (7) connected to the network link (5) for transmitting data over the network link (5), the sensor nodes (3) each comprise an analog-to-digital converter (8) for converting the detected radio frequency signal to the digital sensor data, a receiver (9) connected to the network link (5) for receiving data over the network link (5), a transmitter (10) connected to the network link (5) for transmitting data over the network link (5), and a clock and data recovery unit (11) with a clock device which is configured for miming on a preset free-running frequency, the frequency of the data transmission over the network link (5) is set to a fixed frequency relative to the preset free-running frequency of the clock devices, and the clock and data recovery units (11) are configured for generating a recovered clock signal for controlling the analog-to-digital converter (8) of their sensor node by regulating the frequency of the clock device of their sensor node (3) to lock to the frequency of the data transmission over the network link (5). In this way, the possibility of phase coherent sensory data acquisition with a magnetic resonance imaging system (1) is provided in a robust and cost-efficient way.

The utility model discloses an anastomat digital sensor, including elastomer, round membrane type strain gauge, flexible PCB and external digital amplifier, and elastomer includes outer cylinder, inner cylinder and connecting arm, and the hollow structure of outer cylinder, inner cylinder is set up coaxially, and the upper surface of connecting arm and the inner wall of outer cylinder, the outer wall of inner cylinder form upper concave structure, and the upper concave structure is filled with sealant, and the lower surface of connecting arm is provided with annular U type groove, round membrane type strain gauge sets up on the upper surface of connecting arm, and flexible PCB sets up on round membrane type strain gauge, and external digital amplifier and flexible PCB electric connection. The utility model discloses in elastomer's inner cylinder and outer cylinder coaxial setting, make the mounting surface and fixed surface coaxial, can eliminate the output signal influence of installation stress to sensor, and the design of elastomer bottom annular U type groove makes positive and negative strain equal, improves product precision.

Fire hose couplings and adapters are configured to receive, by any of various types of interconnections, a wide range of attachments enhancing the utility of the associated fire hose. The attachments are secured to the coupler or adapter by way of an appropriate locking engagement, such as by a dovetail connector, setscrews, chemical attachment, adhesives and the like. The attachments cover a broad range of handles, reflective and directional devices, analog and digital sensors / monitors / indicators, and carabiners, and both threaded and unthreaded studs adapted for appropriate receipt of any of a broad range of attachments or uses.

An electronic device may include radio-frequency sensing circuitry that transmits sensing signals and that receives reflected signals using one or more antennas. The sensing circuitry may generate digital sensor data based on the reflected signals. The sensor data may be indicative of moving objects moving through positions that occlude lines of sight between the electronic device and stationary objects behind the moving objects. The sensor circuitry may detect the locations on the stationary objects based on changes to the sensor data associated with motion of the moving objects through the positions. The sensor circuitry may accumulate an environment map of the detected locations as the moving objects move about the environment over time. This may allow the sensor circuitry to generate the environment map with high spatial resolution using as few antennas as possible. The sensor circuitry may detect boundaries of the environment based on the environment map.

The present invention relates to systems, methods and algorithms for determination of heart pump function and their use in livings subject are described.The invention further relates to complementary parts of such systems that work best in combination.Medical catheters, sheaths and shafts are disclosed that carry an arrangement of integrated digital sensor systems-on-chip (SoC) in the portion thereof residing inside the body. These devices combine at their portion that resides inside the body, the complete chain of signal transduction, signal analog-to-digital conversion and digital signal transmission, and allow to acquire single and multiple physical entities in a single setup. In specific instances the devices integrate wireless data transfer functionality, and in specific instances they integrate wireless energy harvesting for battery-free functionality.The present invention further describes complementary monitor systems that are suited for reception, processing and analysis of data acquired by such catheters / sheaths / shafts to yield a robust assessment of cardiac performance.Moreover, the present invention relates to innovations which render such systems applicable to patients with and without cardiac assist devices.

This utility model discloses a high-precision digital sensor keypad switch keyboard, characterized by: including a PCB board, on which at least one digital magnetic sensor keypad switch is disposed; and on which a digital magnetic sensor is disposed, capable of linearly and accurately detecting the change in magnetic flux in the Z-axis direction caused by the height difference of the permanent magnet within the keypad switch, and quantifying it into a digital sample value to generate a high or low level digital signal output. The digital magnetic sensor and the keypad switch are configured in a one-to-one correspondence. The purpose of this utility model is to overcome the shortcomings of the prior art and provide a digital magnetic sensor keypad switch keyboard with a simple structure, low cost, effectively reducing the wobbling amplitude during the keypad's movement stroke, high triggering accuracy and reliability, relatively low frictional resistance, good tactile feel, and ultra-low latency.

To provide an optical imaging system for a dimensional measuring machine.SOLUTION: The optical imaging system comprises a digital sensor 130 having an array of addressable pixels, a lens system 108 forming an image of a test object on the digital sensor, and a variable size aperture 150 that changes an F-number of a lens for imaging points of the test object on the digital sensor 130 at different spot sizes. An aperture controller 152 varies the size of the aperture 150. An image controller 154 groups contiguous clusters of one or more of the pixels having a common output such that the number of pixels within each of the clusters having a common output can be varied. A magnification controller 156 that works in conjunction with the aperture controller 152 and the image controller 154 increases / decreases the number of pixels within each of the clusters having a common output in accordance with an increase / decrease in the spot sizes at which points of the test object are imaged.SELECTED DRAWING: Figure 2

In one embodiment, a method for isolating and detecting one or more target biomarkers on a dielectrophoresis device comprises: receiving a first biological sample containing one or more target biomarkers on a dielectrophoresis (DEP) electrode array; applying a DEP force through a specific electrode of the DEP electrode array, wherein the intensity, direction, and duration of the DEP force are specific to one or more target biomarkers of the first biological sample; and determining the amount of one or more target biomarkers of the first biological sample via a digital sensor.

The invention relates to a system for operating a physical measuring chain, which has a plurality of physical measuring elements at a measuring location; the physical measuring elements comprise at least one physical sensor, at least one physical transmission device and at least one physical evaluation unit; wherein an identification code is detected from each physical measuring element; wherein a data network transmits the detected identification codes to a data processing unit which is remote from the measuring location; wherein the data processing unit has at least one software and measuring element data; wherein the software reads the measuring element data for the transmitted identification codes and generates therefrom a digital measuring chain, which has at least one digital sensor, at least one digital transmission device and at least one digital evaluation unit; and wherein the data network transmits the digital measuring chain to a computer unit which is located at the measuring location.

The digital water quality sensor comprises a digital communication unit and an acquisition unit which are designed in a split mode, the digital communication unit comprises a first shell, a digital communication board is arranged in the first shell, and a first interface and a second interface are formed in the top of the first shell; a third interface and a first buckle are arranged at the bottom of the first shell, a power button is arranged on the side face of the first shell, the digital communication board comprises a first controller, a Bluetooth module, an RS485 module, a USB module, a data storage module and a power module, the Bluetooth module, the RS485 module, the USB module and the data storage module are connected with the first controller, and the power module supplies power to the digital communication board; and the acquisition unit comprises a second shell, an acquisition plate is arranged in the second shell, and a fourth interface and a second buckle are arranged at the top of the second shell. The multi-scene water quality monitoring system can be suitable for multi-scene water quality monitoring, is convenient to operate and maintain, reduces the waste problem that the whole digital sensor is scrapped due to the fault of the sensor probe through the split design, and is convenient to popularize and use.

The application relates to the technical field of bearing detection, in particular to a bearing ring automatic detection machine, which comprises a fixed side plate, a digital sensor fixedly connected to one end of the fixed side plate, the digital sensor being fixed on a mounting frame, a compression roller rotatably mounted at the lower end of the mounting frame, two ends of a supporting shaft being movably and penetratively connected with a fixed plate and a clamping slide plate respectively, the supporting shaft being driven to rotate by a driving motor fixed on the surface of the fixed plate, and the upper and lower end faces of a chamfer detector being provided as symmetrical inclined structures. The beneficial effects are that the compression roller driven to move up and down by the digital sensor is arranged above the workpiece to be detected, the two sides below the workpiece to be detected are provided with the supporting shafts, and the chamfer detector driven to slide by the chamfer detection cylinder is arranged on one side of the workpiece to be detected, so that the automatic detection of the workpiece to be detected is realized, the error caused by sampling detection is reduced, the detection efficiency is high, and the demand of large-batch automatic production is met.

A compact inspection assembly comprising digital sensors and / or laser measurement systems to measure and validate attributes of pipe and associated threaded connections. A custom designed end-effector sensor assembly is selectively attached to a robotic arm having software and control systems. An automated sensor assembly, selectively positioned relative to a pipe section, measures data regarding the pipe and associated threaded connections. The measured and recorded data can be inspected for defects and / or compared to predetermined standards (such as, for example, original equipment manufacturer and / or end user specifications or requirements) to verify pipe / connection compliance with desired standards.

The system has a non-rebound substrate and a first frame disposed around a peripheral edge thereof. The system further has an array of sensors, a digital sensor interface, and a control unit. The array of sensors is disposed in a center portion of the first frame. The array of sensors has at least 9 accelerometers configured in rows in a rectangular array in the central portion of the first frame. The control unit has a processor electrically connected to the digital sensor interface to receive data from the array of sensors, and has instructions to calculate a force, an impact point, and a distance from a user to the system based on the data received from the array of sensors.

This invention provides a digital pH sensor, belonging to the field of digital pH sensor technology. It includes a secondary instrument host, with a display screen embedded in one outer wall and a multi-core cable extending from the other outer wall. A digital pH sensor is mounted at one end of the multi-core cable. A detection port is located at the center of the end of the digital pH sensor furthest from the multi-core cable. A boss is located at the center of the inner wall of one side of the detection port. A detection head is mounted on the side of the boss furthest from the multi-core cable. A circulation channel is formed between the interior of the detection port and the outer periphery of the boss. This invention utilizes the speed of the reciprocating motion of a ring piston and the resulting pumping force to control the flow velocity of water outside the detection head, ensuring the water flow is within an optimal range and flows upwards, facilitating bubble removal and uniformity, and guaranteeing the accuracy of the detection data.

The application provides an environment-friendly composite fiber fabric deviation correction detection mechanism, which comprises a rack, an uncoiler, a winding machine, a transmission roller, a rotating deviation correction roller frame, an ultrasonic sensor, a smoothing assembly and a pulling assembly. The automatic smoothing of wrinkles generated in the deviation correction process is realized through the cooperation of the smoothing assembly, the pulling assembly and the ultrasonic sensor. The automatic cleaning of fluff generated after the deviation correction is realized through the cooperation of a digital sensor and an air suction device. The problems that the fabric wrinkles due to the friction generated when the deviation correction roller rotates in the deviation correction process and some fabrics are prone to generate fluff due to the falling of fibers are solved, and the production efficiency and safety in the production process are improved.