17results about How to "Intuitive" patented technology

This invention relates to the field of multi-source data processing technology, specifically disclosing a data governance method and system for multi-source heterogeneous data fusion. The method includes receiving unstructured data fed back by a data acquisition agent, performing virtual mapping on the unstructured data, recursively adjusting the access parameters corresponding to the data source node, and generating simulation data based on the virtual mapping when a data source node experiences a data upload anomaly. It also includes receiving data increment density and data hotspot distribution fed back by the data acquisition agent, planning the scheduling path of the unstructured data parsing end based on the data hotspot distribution, and receiving the parsing results fed back by the parsing end. This invention acquires unstructured data by deploying edge nodes, identifies the unstructured data, constructs a data domain model, synchronously determines the data state of the unstructured data, marks hotspot areas in the data domain model, and then determines the parsing order, enabling important data to be parsed faster.

The invention relates to a self-adaptive seat massage system and method based on gesture and voice interaction. The system comprises a pressure sensing array used for detecting and positioning pressure distribution and a dynamic pressure sequence applied to the surface of a backrest; the voice acquisition module is used for receiving a voice instruction of a user; the main control module is used for preprocessing the collected voice signal, operating a preset voice recognition algorithm, performing feature extraction and instruction matching on the digital voice signal, recognizing and analyzing a preset effective instruction, generating a standardized control signal, outputting the standardized control signal to a control interface of the massage execution module, and performing instruction fault tolerance and verification; the massage execution module is used for receiving a control signal output by the main control unit of the voice acquisition module, and converting the control signal into a power signal capable of driving an execution unit to work through a driving unit; interaction is natural and visual, an optimal interaction combination of gesture positioning and voice fine tuning is formed, and operation is smooth and efficient.

This invention provides a design overlay method, apparatus, electronic device, and medium, relating to the field of web development. The method includes: loading a target webpage through a browser; the target webpage being a webpage designed based on a target design draft; responding to an image loading instruction, loading the target design draft from the storage address corresponding to the target design draft indicated by the image loading instruction through a browser extension architecture; responding to a parameter acquisition instruction, acquiring transparency parameters and position parameters, adjusting the transparency of the target design draft according to the transparency parameters, and overlaying the target design draft onto the target webpage according to the position indicated by the position parameters. The technical solution provided by this invention can improve the efficiency of comparing webpages and design drafts.

The utility model relates to the field of diesel engine crankshaft parts, in particular to a crankshaft of a diesel engine for teaching. The crankshaft of the diesel engine for teaching comprises a support, mounting grooves and clamping jaws, the top of the support is rotationally connected with a crankshaft body, the middle of the support is fixedly connected with a cross rod, a tank is mounted on the cross rod, the mounting grooves are symmetrically formed in the crankshaft body, balancing weights are mounted in the mounting grooves, and the two clamping jaws are symmetrically mounted at the bottom of the support. According to the utility model, the mounting seat and the balancing weight are arranged on the crankshaft body, and the motor is combined to drive the crankshaft to rotate, so that the state change of the crankshaft in the movement process can be intuitively displayed; meanwhile, the transparent tank body on the cross beam and the shaking condition of clear water in the transparent tank body can clearly reflect the uniformity of the crankshaft counterweight and whether defects exist or not, so that students are helped to better understand the importance of the crankshaft balance.

The invention provides a power system load frequency control method based on a high-order all-drive system theory, and relates to the technical field of power system load frequency control. Comprising the following steps: collecting physical parameters of a power system, and establishing a power system state space equation mathematical model according to the physical parameters of the power system; verifying the controllability of the power system according to the state-space equation model, and obtaining a system controllability matrix; based on the controllability matrix, converting a state-space equation model of the power system into a high-order all-drive system model; providing a power system state observer and a spoofing attack observer according to the high-order all-drive system model; and providing a power system load frequency controller based on a high-order all-drive system theory according to the high-order all-drive system model and the observer. According to the method, the linear dynamic model of the electric power system more conforming to actual working conditions is constructed. Based on the high-order all-drive method, the design complexity of the power system controller can be reduced, and the stability of the power system is ensured.

The utility model relates to the technical field of VR terminals, in particular to a rotary interactive terminal of VR software, which comprises a base, a base is fixed at the center of the upper part of the base, a bottom column is arranged in the base, a center table is fixed at the upper end of the bottom column, a bearing is assembled and fixed at the upper end of the center table, and a rotating shaft is fixed at the lower end of the center table. The inner ring wall of the bearing is in interference fit with a shaft rod perpendicular to the horizontal plane, a shell is arranged outside the center table, the surface of the shaft rod and the inner wall of the shell are fixedly assembled through a plurality of evenly-distributed supports, and a rotating handle fixedly penetrates through the upper end of the shell and is perpendicular to the top of the shell. Through the design of the rotating handle, a user can directly perform rotation operation similar to a steering wheel without body rotation or dependence on a handle or gestures, the space requirement and collision risk in VR experience are reduced, the VR interaction device is particularly suitable for being used in a limited space, meanwhile, rotating interaction more conforms to intuition, and the operation efficiency is higher.

This invention provides a method, system, and commercial vehicle for real-time calculation of clutch temperature in commercial vehicles, relating to the field of intelligent commercial vehicle clutches. After the vehicle is powered on, the chassis controller obtains the last shutdown time t0 and the current power-on time t1; it then determines whether the time interval (t1-t0) is greater than a preset time interval t. s If it is greater than t, the chassis controller obtains the initial clutch temperature t. f0 ; Calculate the slippage work of the clutch during starting or shifting; Calculate the temperature rise T caused by clutch slippage. a It can monitor the clutch temperature and the ambient temperature inside the chamber in real time after each power-on, and can be used for a clutch alarm system with real-time feedback, which is more intuitive and timely than clutch wear alarm methods.

This invention discloses a graph mining-based questionnaire analysis method, system, electronic device, and medium, relating to the field of data processing. The method includes: acquiring questionnaire data to be analyzed; establishing a questionnaire matrix based on the questionnaire data; cleaning the questionnaire matrix to obtain a scoring matrix; calculating the similarity between different attribute scores based on the scoring matrix to establish a core attribute adjacency matrix; using attributes in the core attribute adjacency matrix as nodes in the network to establish a core attribute network; performing graph mining on the core attribute network to obtain a minimal core attribute network; and analyzing the influence of different core attributes based on the minimal core attribute network to obtain the questionnaire analysis results. This invention can reduce the influence of extreme data in questionnaires and improve the interpretability of the data in questionnaires.

This invention discloses a method for evaluating the bus voltage stability domain of a cascaded system under small current disturbances, relating to the field of power supply and distribution system technology. The method includes the following steps: constructing an impedance ratio test circuit; introducing a non-intrusive current signal disturbance into the bus voltage of the cascaded system using an impedance analyzer to excite the operation of the cascaded system feedback loop; simplifying the Middlebrook stability criterion to obtain an improved stability criterion; integrating the amplitude-frequency Bode plot data corresponding to each load operating point obtained from the impedance ratio test circuit and fitting the amplitude-frequency Bode plot data of each load operating point using Matlab to obtain a fitted surface based on the test results; comparing the fitted surface with the judgment region determined based on the stability criterion to determine the stable operating boundary of the cascaded system over a wide load range. This invention solves the bus voltage stability problem of black-box cascaded converter systems under a wide load range and proposes a test method that does not require intrusion into the bus line.

The invention provides a vehicle omni-directional steering control device, an omni-directional steering trolley and a vehicle omni-directional steering control method, and relates to the technical field of vehicle steering control devices.The front wheel steering shaft of the vehicle omni-directional steering control device is vertically and rotationally arranged on a fixing support; the rear wheel steering assembly comprises a rear wheel input shaft and a rear wheel output shaft which are vertically and rotatably arranged on the fixing support, and the rear wheel input shaft is in transmission connection with the rear wheel output shaft. The handlebar can rotate around a vertical axis and a horizontal axis; the transmission resolving mechanism is in transmission connection with the handlebar, the front wheel steering shaft and the rear wheel steering assembly and used for driving the front wheel steering shaft and the rear wheel output shaft to rotate reversely when the handlebar rotates around the vertical axis and driving the front wheel steering shaft and the rear wheel output shaft to rotate in the same direction when the handlebar rotates around the horizontal axis. Therefore, the method has the advantage that the solution of the steering of the front and rear wheels can be realized through single control input and a pure mechanical mode, so that the cooperative control of the steering of the vehicle is realized.

The utility model discloses a rock drill test bench capable of sensing distance by a stay cord, which comprises a test bench, a grid plate is fixedly mounted on the upper surface of the test bench through screws, a grating is mounted on the surface of the grid plate, a mounting platform is mounted above the test bench in a sliding manner, a positioning seat is fixedly mounted on the left side of the test bench, and the positioning seat is fixedly mounted on the right side of the test bench. An anti-collision rubber seat is fixedly mounted on the surface of the positioning seat; when the installation platform moves forwards by one grating plate, the gratings on the grating plates can sense the grating, the distances between the gratings are the same, the gratings can be marked and sensed when passing through one group of gratings, the movement distance can be conveniently calculated, the pull rope is pulled, the intuition is higher, and meanwhile, by matching with the sensing of the gratings, the accuracy is higher. Real-time distance sensing of the installation platform in a continuous motion state is facilitated, after the test is finished, elastic potential energy stored in a coil spring in the coil spring disc is released, and the installation platform is pulled back to the initial test end.

The application discloses a buckle structure and a plug-in circuit breaker. The buckle structure comprises a button, a sliding piece, a buckle and a shell. The buckle is rotationally arranged in the shell and is provided with a flange capable of extending out of the shell. The sliding piece is slidingly arranged in the shell and is connected with the buckle in linkage. The button is movably arranged in the shell and is connected with the sliding piece in linkage. The button can drive the buckle to rotate to make the flange extend out of or retract into the shell through the sliding piece. The button has a first position and a second position. When the button is in the second position, the button blocks the rotation of the buckle. When the circuit breaker is inserted into the cabinet, the flange automatically retracts and automatically pops out to lock after being in place, realizing plug-and-lock. When being pulled out, the button needs to be pulled to make the flange retract, and then the circuit breaker can be pulled out, so that the circuit breaker can be pulled out after being opened. When being closed, the button blocks the rotation of the buckle, so that the flange cannot retract, and the circuit breaker cannot be inserted into the cabinet. The application realizes double safety protection functions, effectively avoids the risk of electric shock caused by live insertion and removal, and has compact structure and convenient operation.

The application discloses a torque wrench torque visual indication device and belongs to the technical field of hand tools. In view of the problem that the existing low-torque wrench can only rely on sound and a small arm deformation prompt to identify the torque standard state in time when reaching the preset torque, the application fixes and installs an indication pointer on the rod body of the torque wrench, utilizes the principle that the arm drives the synchronous deflection of the driving head when the torque reaches the standard, and makes the center of the driving head and the end of the stationary indication pointer produce visual deviation. In the initial state, the arm is in the initial position, and the driving head and the rod body remain coaxial; when the torque reaches the standard, the driving head deflects with the arm, and forms a visually recognizable deviation with the end of the indication pointer, thereby directly prompting the user to stop applying force. The device adopts a pure mechanical structure, has an extremely simple structure, a very low cost, and is convenient to install, can be quickly clamped on the rod body of the existing torque wrench, and does not need to disassemble the internal structure of the wrench.

The application belongs to the technical field of satellite signal processing, and provides a satellite-borne GNSS multipath modeling method, device, equipment and storage medium. The method comprises: establishing a satellite three-dimensional model and a signal source model in the same coordinate system to simulate the incidence process of the signal; when the signal ray emitted by the signal source model has an intersection with the satellite three-dimensional model, it is considered that there may be a reflected signal; the possible reflected signal is verified according to the intensity ratio of the signal ray before and after passing through the reflection surface of the satellite three-dimensional model; if the intensity ratio is within a set range, it is confirmed that the reflected signal exists; in the case that the reflected signal exists, the reflection point and the reflection path are calculated; the code pseudorange delay, the carrier phase delay and the Doppler delay are calculated to obtain a multipath error model. The method can calculate the multipath error of a satellite-borne receiver, and realize the suppression of the multipath effect at a low cost.

The invention discloses the technical field of intelligent home equipment installation and debugging, and relates to the technical field of intelligent home equipment installation and debugging. Comprising high-definition cameras, an infrared measurement unit, a scanning recognition module, an image recognition and tracking module, a laser radar, a debugging module, an AR content management module, an AR rendering system, a user gesture voice interaction module, a real-time video stream processing module, a voice system, an equipment joint debugging module and a recording module which are installed at a plurality of key positions in the AR glasses. And the AR content management module is used for collecting spatial data of installation environments of a plurality of indoor key positions in real time, generating a three-dimensional environment model, collecting real scene data, superposing virtual guidance content, and labeling and reminding special places. Static characters and pictures of a traditional paper specification are replaced, manual judgment is replaced by intelligent environment perception, tracking and error correction are operated in real time, and the installation precision and the installation efficiency are improved.

This invention discloses a method for identifying and locating excessive height differences between adjacent floor slabs on walls, comprising the following steps: S1: acquiring indoor point cloud data of a building; S2: detecting different planes in the point cloud formed by the point cloud data, segmenting the indoor point cloud data of the building to obtain point cloud data of each wall surface, including the top of the wall; S3: locating the top point cloud data of the wall surface, specifically including: S31: extracting the center point of the point cloud data of each wall surface. S32: Extract the z-values ​​of the center points of each wall surface, sort the z-values ​​from largest to smallest, and determine the wall surface corresponding to the largest z-value as the wall vertex cloud P; S4: Calculate the height difference between adjacent floor slabs at the top of the wall. This invention proposes a method for identifying and locating the height difference between adjacent floor slabs on the wall surface that exceeds the limit, realizing the rapid measurement of the height difference between adjacent floor slabs on the wall surface. Compared with the manual ruler measurement method, it has the advantages of more measurement points and strong intuitiveness.

This utility model relates to the field of teaching demonstration devices, providing a simulation simulator for demonstrating the sex determination process. It includes a turntable and a drive device for rotating the turntable. An egg cell model is located at the center of the turntable, and several tracks radiate outwards from the egg cell model. Sperm models are movably mounted at the ends of the tracks. This utility model offers strong intuitiveness: visualizing abstract genetic knowledge and clearly demonstrating sperm morphological differences (X / Y) and the random combination mechanism; high interactivity: allowing deep participation in the experimental process; real-time data feedback: a matching counter automatically records and displays the number and ratio of XX / XY combinations (e.g., 8:12), enabling students to intuitively verify the 1:1 probability law of sex determination; low cost and easy to promote: it can be made using materials such as discarded fans, balancing teaching effectiveness and resource conservation. This device effectively solves the problems of traditional teaching being abstract and boring, lacking dynamic demonstrations and real-time data, significantly improving learning efficiency and interest.