76 results about "Digital sensors" patented technology

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.

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 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.

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

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.

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.

The present invention relates to a rotating vessel assembly (100) for automatic cooking machine. The rotating vessel assembly (100) comprises of a vessel (1) that is secure over a base unit (5). The vessel (1) includes a mixing blade (6) which is centrally positioned within the vessel (1). Further, the rotating vessel assembly (100) include a coil spring arrangement (2) that is configured to provide controlled rotation to the vessel (1). Additionally, the vessel (1) is dismantled from the base unit (5) by rotating the vessel (1) clockwise with an application of pre-defined force. Also, the vessel (1) rotates in both x and y axis for providing a uniform distribution of ingredients and heat. Further, a set of digital sensors are present in the rotating vessel assembly (100) for providing sensory feedback to a control unit of the automatic cooking machine.

The invention relates to the technical field of healthy diet, in particular to a food heat intelligent detection dinner plate which comprises a dinner plate seat, a weight sensor is fixedly mounted on the inner side of a round notch, a sensing piece is fixedly mounted on the inner side of the round notch, and an OLED display screen and a button digital sensor are embedded in the inner top wall of the dinner plate seat. And a main control star core board is fixedly mounted on the inner bottom wall of the dinner plate seat. According to the intelligent food calorie detection dinner plate, the recognition accuracy and stability are improved, an AI recognition camera and a light supplementing LED lamp work cooperatively, food features are extracted through a pre-trained classification model, intelligent light supplementing control is combined, the recognition accuracy is improved, and then an AD conversion module and a zero-point error compensation algorithm of a preset calibration value are matched; the food weight detection precision is effectively improved, the current food information and the total calorie data are displayed in real time through the double-key design and the display screen, and the intuition and convenience of user diet management are improved.

A device for protecting, controlling and monitoring an electrical medium range switching device, the device comprising the use of a Rogowski coil embedded within a bottle of the switching device, and the bottle surrounding the flow of voltage and current of a main power source, a capacitive or similar voltage divider also surrounding the main power source and extending around the bottle, an analog signal is provided from these devices to an integrated circuit for conversion into a digital signal, and then the digital signal is passed as an output to a digital collector in which the digital signal is optionally time-stamped and compared to other signals, standard values or own signals at different times.

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.

The invention relates to an intelligent merging unit for a digital ring main unit and the digital ring main unit, and the intelligent merging unit comprises a data collection module which is used for collecting analog quantity data and state quantity data of primary equipment, and transmitting the analog quantity data and the state quantity data to an FPGA core module; the line loss processing module is used for receiving the analog quantity data, calculating line loss data and sending the line loss data to the main control unit through the serial port bus; the FT3 transceiver module is used for realizing full duplex data interaction between the merging unit and the digital sensing unit; and the FPGA core module is used for processing the analog quantity data, the state quantity data and the data uploaded by the digital sensing unit, uploading the processed data to the main control unit, receiving a control instruction issued by the main control unit and issuing the control instruction to the digital sensing unit. By adopting the heterogeneous computing architecture of FPGA + independent line loss processing module, the problem of poor real-time performance caused by overweight computing load of the merging unit of the existing ring main unit is solved.

The invention discloses a temperature drift compensation and precision calibration method for an ultrasonic scanning mechanical arm, and relates to the technical field of temperature drift compensation. Through multi-dimensional temperature field monitoring, a fiber bragg grating and a digital sensor are used for collecting data to construct a three-dimensional model. A temperature-deformation mapping model of the time-varying thermal resistance network is established, and finite element analysis is combined; a double-time-scale dynamic error compensation algorithm is adopted, and a compensation instruction is transmitted through an EtherCAT bus; and adaptive Kalman filtering calibration of quantum particle swarm optimization is introduced, so that the convergence speed and precision are improved. The positioning precision of the mechanical arm is improved, the temperature sudden change response is shortened, the thermal deformation of the carbon fiber component is reduced, the self-learning calibration time is shortened, and a high-precision scheme is provided for nondestructive testing.

The invention provides a community micro-brain digital analysis system and method for urban governance, and relates to the technical field of urban community governance, and the method comprises the steps: collecting multi-source heterogeneous data of urban community public facilities, constructing a facility digital model in a community micro-brain system, and recording health reference data; detecting according to a preset period through the digital sensor network of the key part of the facility to obtain a waveform sequence reflecting the internal state change; through comparison with health reference data, a waveform change rule is identified, a state change track is established, and a health quantitative index is generated according to a waveform attenuation degree and morphological distortion characteristics; and the system performs multi-dimensional correlation analysis on the indexes and the multi-source heterogeneous data, generates a treatment strategy containing maintenance priority and resource allocation suggestions, transmits the treatment strategy to a community management platform to form an allocation scheme, and displays the full-life-cycle state of the facility in a digital model, so that the full-life-cycle intelligent monitoring and treatment optimization of the community facility can be realized.

The application provides a test risk digital twin early warning method for multi-domain cooperative monitoring, and belongs to the technical field of virtual-real fusion test and digital twin. The steps are as follows: firstly, a fine finite element simulation model considering nonlinearity is established, which comprises a digital tooling system, a digital sensor and a test piece; secondly, nonlinear finite element simulation analysis is carried out, and a multi-level mechanical response field inversion reduced model is constructed; thirdly, complete sensor data set construction is completed through a data filling algorithm, and first-level structure failure judgment is carried out based on the same; finally, future loading stage sensor data prediction is carried out, and second-level structure failure judgment is completed; full-field mechanical response inversion and online real-time correction are carried out; response inversion of the concerned area is carried out, and third-level structure failure judgment is realized. The application can realize real-time dynamic monitoring and early warning of structure test risk, has high real-time performance, robustness and accuracy, and provides a powerful guarantee for the safety and reliability of structure test.

A physiological state monitoring system includes an implantable multi-analyte sensor probe including a first working electrode configured to generate a first electrical signal indicating concentration of a first analyte and a second working electrode configured to generate a second electrical signal indicating a concentration of a second analyte. Monitor system control circuitry is configured to generate a feature vector that includes one or more of a baseline-subtracted analyte value, a first-order temporal derivative, a second-order temporal derivative, or an inter-analyte ratio based on the digital sensor data, access parameters of a machine-learning classification model trained on historical multi-analyte sensor logs and associated ground-truth physiological states, and use the machine-learning classification model to generate, based on the feature vector, a real-time classification label and an associated confidence value identifying a physiological state.