37results about How to "Realize recurrence" patented technology

The invention discloses a method for data storage during abnormal power down of a computer. The method comprises the steps that a PSU gives out power down warning signals to a mainboard CPLD before the power down; the mainboard CPLD sends a request for triggering synchronization to a PCH; the PCH sends a synchronizing signal to all CPUs after receiving the request; each CPU writes data in a Cache into a DRAM after receiving the synchronizing signal, and then sends a write-in completing mark to a controller of a mixed cache after write-up operation; when the controller detects the write-in completing mark, all the data in the DRAM are transferred to an NVM, and a storage completing signal is sent to the PCH after data transfer is completed; the PCH writes in a marking state of abnormal power down shutdown in an internal memory. According to the method for the data storage during the abnormal power down of the computer, when the computer powers down suddenly, running data of the computer can be stored in the NVM, when a system is restarted, the data can be read from the NVM, and reproduction of an accident site can be achieved, and losses of a user are reduced.

This invention discloses an automatic test method for CDMA cell phone software and a device, among which, the method includes the following steps: simulating CDMA cell phone keys by computer and generating related test scripts in the computer to be analyzed and translated to control orders for CDMA cell phones, transferring said orders to the CDMA cell phone via the computer serial interface, said cell phone responds to related key actions and feeds back the related response information to the computer to judge if a fault happens based on the response information, which can replace large quantities of artificial operations and effectively relicates events of small probabilities in the test to cell phone software so as to position the fault point of the software.

The invention provides a record playback system and a record playback method. The system comprises a first acquisition module used for acquiring operation information executed on a first computer, a first record module used for recoding the operation information, a second acquisition module used for acquiring the information of a first operating window of a first computer when the operation information is executed, a second record module used for recoding the information of the first operating window, a judge module used for judging whether the information of a second operating window of a second computer needing to playback the operation information is the same as the information of the first operating window when the operation information is needed to be played backed, and a playback module used for executing the operation information according to the preset playback rules when the information of the second operating window is the same as that of the first operating window. The invention can record the operation information executed on the computer and playback the operation information.

The embodiment of the invention provides a bullet screen issuing method for live broadcast playback, and the method comprises the steps: receiving a barrage pull request sent by a client during live broadcast playback, the bullet screen pull request carrying a timestamp; and in response to the bullet screen pulling request, issuing a bullet screen fragmentation file corresponding to the timestampin N bullet screen fragmentation files to the client, wherein the N bullet screen fragmentation files are obtained by segmenting live bullet screen data corresponding to the target live broadcast playback video, and N is a positive integer. According to the embodiment of the invention, the live broadcast bullet screen data corresponding to the target live broadcast playback video is segmented, andthe bullet screen fragmentation file is issued to the client in a fragmentation manner, so that the memory occupation rate of the bullet screen data is reduced, and the playing fluency is improved.

The invention provides a temperature tactile representation device with variable heat capacity, which is provided with a semiconductor cooler, a radiator, two temperature sensors and a measurement and control circuit, wherein the semiconductor cooler is used as a core of temperature control and hand perception, and consists of a P-N structure which is energized with direct current and is provided a cold end surface and a hot end surface; the radiator comprises a switch chamber with a cavity and a cooling liquid-gas two-path switching system, the cooling liquid switching system feeds cooling liquid to the cavity of the switch chamber by a cooling liquid groove via pipelines, and the switch chamber is communicated with the cooling liquid groove via a cooling liquid outlet pipeline; the gas path switching system switches air by an air inlet pipeline and an air outlet pipeline which are communicated with the cavity of the switch chamber; the pipelines of the cooling liquid-gas two-path switching system are respectively provided with an electromagnetic valve and a pump which are in connection with output control signal of the measurement and control circuit; the measurement and control circuit has a well-known power supply circuit, an analog-to-digital conversion circuit, a signal conditioning circuit and a control chip; and the two temperature sensors are respectively used for collecting temperatures of hand and the semiconductor cooler and outputs the temperatures to the measurement and control circuit.

The invention discloses a real-time monitoring method of navigation satellite signal quality. A high-gain antenna is used for receiving a navigation satellite signal; on the basis of a real-time collection storage processing platform and a high-speed data link, a real-time monitoring method of navigation satellite signal quality is provided by using a signal processing technology, so that real-time monitoring of navigation signal quality is realized for the first time. Therefore, the method has the important significance in navigation system establishment.

The invention discloses an automatic test system and method for switching equipment in a rail transit system. The system comprises a test control module used for performing test control, an equipmentmanagement module used for managing accessed network device and more than one piece of test equipment used for executing tests. The test control module is connected with the test ends of the test equipment and the tested equipment through the equipment management module. The debugging end of the tested equipment is connected with the test control module, and the test control module configures thetest equipment and the connection between the tested equipment through the equipment management module so as to carry out required network topology configuration and controls the test equipment to test the tested equipment according to a required test task. The method can achieve the automatic testing of the switching equipment in the rail transit system, and has advantages of wide testing range,high testing efficiency and testing precision, and facilitating the implementation of complex topology testing and case reproduction.

The invention provides an SVG control hardware-in-loop simulation platform and simulation method. The SVG control hardware-in-loop simulation platform comprises a workstation, an SVG controller and areal-time simulator; the real-time simulator is used for simulating an SVG circuit topology model and model parameters to carry out disturbance tests on the grid voltage of the sending end system of anew energy base, and verifying whether the SVG controller is off-grid or not; the real-time simulator is connected with the workstation and the SVG controller; the workstation is used for issuing a test instruction to the real-time simulator based on the disturbance tests of the power grid voltage of the sending end system; the workstation is also used for acquiring test process information executed by the SVG circuit topology model based on the test instruction through the real-time simulator to monitor the test; the disturbance tests of the grid voltage of the sending end system comprise ahigh-voltage ride through disturbance test, a low-voltage ride through disturbance test and a commutation failure disturbance test; simulation and reproduction of an on-site transient working condition are realized; the transient operation characteristics of the reactive power compensation device of the new energy base can be mastered; and a reasonable new energy grid-connected equipment operationcontrol strategy is provided.

The invention discloses a data processing circuit of a driving recorder. The data processing circuit is provided with a central processing unit, a camera circuit, a screen circuit, a memory circuit, a power circuit, a gravity sensing circuit and an FM transmitter, wherein a +24V input power supply, an input protection circuit and a voltage stabilizing circuit are arranged in the power circuit; a voltage stabilizing chip IC2, a voltage stabilizing tube VS, an inductor L1, a capacitor C3, a resistor R8 and a resistor R9 are arranged in the voltage stabilizing circuit. The data processing circuit realizes driving recording, realizes tire pressure state data collection of tire through the gravity sensing circuit, realizes image shooting recording during driving through the camera circuit, sends data information of the driving recorder by the central processing unit to a broadcasting system in an automobile through the FM transmitter, and then performs real-time broadcasting through the broadcasting system, so that a driver can conduct avoidance during driving according to broadcasted reminders.

The invention discloses a driving recorder with an information prompting function. The driving recorder is provided with a central processing unit, a camera circuit, a screen circuit, a storage circuit, a power supply circuit, a gravity sensing circuit and an FM (Frequency Modulation) transmitter; the driving recorder is internally further provided with a vehicle speed detection circuit; the vehicle speed detection circuit comprises a vehicle speed sensor and a pulse acquisition circuit, which are connected with each other; the pulse acquisition circuit is connected with the central processing unit; the pulse acquisition circuit is internally provided with a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a triode VT1, a capacitor C1 and an optical coupler IC1; and the vehicle speed detection circuit for detecting a vehicle speed can be used for carrying out vehicle speed detection in real time, and the most accurate data is provided for real-time vehicle speed broadcasting of an automobile audio system, so that traffic accidents caused by overspeed are avoided and effective guarantees are provided for safe driving of drivers.

The invention discloses a method for acquiring a precise contour of a workpiece. The method comprises the following steps: S1, mounting an image acquisition device on a movement mechanism capable of realizing precise movement; S2, performing multi-point accurate movement through an image acquisition device, acquiring the workpiece, and obtaining multi-point image information of the workpiece; S3, performing image splicing on the image information in the step S2 to obtain complete workpiece image information; and S4, carrying out contour extraction on the workpiece image information in the step S3 to obtain accurate contour information of the workpiece. When an ultra-large workpiece is detected, the method is easy to operate, the workpiece does not need to be moved, accurate contour information of the workpiece can be obtained, and the method has the advantages of being time-saving, labor-saving, money-saving and high in precision.

The embodiment of the invention provides an analog method and device for reproducing polygonization of a train wheel. The device comprises a hydraulic actuator cylinder (1), a force sensor (2), a bearing frame (3), an upper bearing seat (4), a photoelectric sensor (5), a traction motor (6), a coupling (7), an analog wheel axle (8), an analog wheel axle torque sensor (9), an analog wheel (10), an analog wheel axle rotation speed sensor (11), and an analog rail wheel (13). By applying high-frequency rotation speed fluctuation whose phase is controlled by the space rotation angle of the analog wheel on a rotation shaft of an analog wheel set, polygonization caused by cycle skidding of the wheel set is reproduced.

The invention provides a record playback system and a record playback method. The system comprises a first acquisition module used for acquiring operation information executed on a first computer, a first record module used for recoding the operation information, a second acquisition module used for acquiring the information of a first operating window of a first computer when the operation information is executed, a second record module used for recoding the information of the first operating window, a judge module used for judging whether the information of a second operating window of a second computer needing to playback the operation information is the same as the information of the first operating window when the operation information is needed to be played backed, and a playback module used for executing the operation information according to the preset playback rules when the information of the second operating window is the same as that of the first operating window. The invention can record the operation information executed on the computer and playback the operation information.

The invention discloses quick testing equipment which comprises a CCD and a worktable. A vertical column is arranged above the worktable. Furthermore the vertical column is provided with a mounting trough. The CCD and an annular LED light source are fixed on the vertical column through the mounting trough. Furthermore the CCD is mounted above the annular LED light source. The CCD is connected with a circuit controller and a host computer through transmission leads. A working state indicating lamp is arranged at the front surface of the circuit controller. The left side of the host computer is provided with a display device. A driving control device is mounted below the circuit controller. The driving controller is connected with a motor through a transmission lead. The CCD is connected with the host computer through an image collecting unit. The host computer is connected with the driving control device through the circuit controller. Furthermore the output end of the host computer is electrically connected with the input end of the display device. Feedback contrast control technology is utilized in the quick testing equipment, so that higher accuracy of the testing result is realized and a problem of easy errors in testing is settled.

The invention provides a method and a device for preventing the root defects of the friction stir welding of the longitudinal seam of the carrier rocket storage tank. It is provided with a flat ruler clamping mechanism on the flat ground on one side of the backing plate, and the flat ruler is erected on the flat ruler clamping mechanism. The plates are parallel; the clamping mechanism of the measuring tool is fixedly connected with the clamping mechanism of the stirring head, and the dial gauge is fixedly installed on the clamping mechanism of the measuring tool, and the dial gauge is vertically set close to the flat ruler; the vertical distance between the stirring needle and the backing plate The change value is equal to the vertical drop / rise distance value of the stirring head clamping mechanism read from the dial gauge along the ruler. The method and device of the invention realize the real-time measurement of the distance change between the stirring needle and the backing plate, thereby preventing the occurrence of incomplete penetration defects and the defects of the stirring needle piercing the backing plate, and effectively improving the success rate of friction stir welding.

The application relates to the field of numerical control systems, and discloses a method for collecting and storing industrial data of a numerical control system and a system thereof. All kinds of data generated by numerical control equipment can be effectively correlated with each other, and the efficiency of further analysis and processing can be improved. In the present invention, various data are collected synchronously from multiple data sources from the numerical control system and stored in the buffer, and the real-time G code line number information is obtained from the numerical control system synchronously; Combine various data of number information to generate one or more combined data; store the combined data.

The invention discloses a construction method for an aviation braking system model library, which comprises the following steps of: firstly, establishing aviation braking system parameters and naming rules of models; establishing a mathematical model of a pedal brake function, a mathematical model of an automatic brake function, a mathematical model of an anti-skid function, a mathematical model of a brake control valve, a mathematical model of an airplane wheel brake device, a mathematical model of a speed sensor and a test case model of different working conditions and typical faults of the system, and finally analyzing the models; establishing a model library, a general model library and description files of the model blocks, and completing the construction of the aviation braking system model library. According to the method, the professional knowledge model library of the aviation braking system is established, reuse in different types of projects is realized, the time for establishing the model is reduced, and joint office in different fields is realized through the design of the model expression system.

The embodiment of the invention provides an analog method and device for reproducing polygonization of a train wheel. The device comprises a hydraulic actuator cylinder (1), a force sensor (2), a bearing frame (3), an upper bearing seat (4), a photoelectric sensor (5), a traction motor (6), a coupling (7), an analog wheel axle (8), an analog wheel axle torque sensor (9), an analog wheel (10), an analog wheel axle rotation speed sensor (11), and an analog rail wheel (13). By applying high-frequency rotation speed fluctuation whose phase is controlled by the space rotation angle of the analog wheel on a rotation shaft of an analog wheel set, polygonization caused by cycle skidding of the wheel set is reproduced.

The invention discloses a guiding wire / catheter operating device at the main end of a robot for vascular interventional surgery, which can separately feed back the axial force and the circumferential force, and can imitate the actual surgical operation habits of a bionic doctor. The device includes a box body, a brushless DC motor, a transmission assembly, an electromagnetic connector and an axial force feedback assembly; the brushless DC motor is connected to the active part of the electromagnetic connector through the transmission assembly, and its follower is connected to the fixing part of the sleeve telescopic assembly. section, the telescopic section of the sleeve telescopic assembly extends out of the box to connect the guide wire / conduit; when it is necessary to provide circumferential sensing, the active part and the driven part of the electromagnetic connector are attracted, so that the brushless DC motor drives to the sleeve through the transmission assembly. The telescopic component provides circumferential resistance, and then realizes the circumferential force feedback function; when it is necessary to provide axial sensing, the positive pressure generating component in the axial force feedback component generates displacement, and drives the rubber block component and the telescopic section in the sleeve telescopic component to generate an axial force. Friction to provide axial resistance and realize axial force feedback function.

The embodiment of the invention provides a trajectory tracking method and device, electronic equipment and a readable storage medium, and relates to the technical field of computers. According to the trajectory tracking method and device, the electronic equipment and the readable storage medium provided by the embodiment of the invention, under the condition that the task event is monitored, the Service Worker is called, the plurality of drawing frames of the webpage and the behavior trajectory data of browsing the webpage by the user are recorded, and the behavior trajectory data and the drawing frames are matched and drawn, at least one key frame including the trajectory data is obtained, the key frames are synthesized to obtain the visual carrier including the behavior trajectory data, the SANPSHOT function is achieved, and the behavior data generated by the user can be tracked and visually presented.

The invention discloses a satellite timing scene recording device and method based on a satellite timing module. The device includes a satellite timing module, a satellite timing scene recording module and a satellite synchronous clock control module. The satellite timing module receives navigation messages sent by a satellite simulator And analyze it to get the time information, and send the time information to the satellite timing scene recording module in the form of second pulse and serial port message; the satellite timing scene recording module receives the second pulse and time message information sent by the satellite timing module, and uses the received Based on the pulse per second, record and store the time message information and its receiving time, and based on the received pulse per second, send the time message information to the satellite synchronous clock control module according to the sequence of recorded time. The invention records and stores the output message of the satellite timing module, and resends the second pulse and the stored message according to the original time sequence when the output of the satellite timing module for simulating the scene is needed.

The invention belongs to the technical field of digital system test, and designs an automatic test method based on an embedded script. The efficient automatic test considering the test logic compilingefficiency and the test operation running efficiency is realized. According to the technical scheme, the method comprises the following steps of 1, generating adapter code in a unified way after alltest variables are listed out in a centralized way, so that the variables can be simultaneously operated or observed by script program and tested system program; and 2, embedding the test script program segment in the tested system code so that the test logic and the tested system logic are alternately executed according to the determined sequence; setting, reading or recording the same test variables in a memory reading and writing mode; and completing the test process.

The invention discloses a method for dynamically reappearing the writing process of Chinese calligraphy works that can simulate the style of strokes. The specific steps are: digitize the calligraphic Chinese characters in the Chinese calligraphy works and extract their skeleton lines, separate the strokes from the skeleton lines according to the topological structure characteristics of the Chinese characters; for all the strokes of the Chinese characters, establish Mathematical model of gestures; assign the mathematical model of gestures to the skeleton line of the corresponding strokes of the extracted offline Chinese characters; reproduce the writing process of strokes of Chinese characters, and realize the simulation of the writing process of Chinese calligraphy works. The present invention can simulate the dynamic process of calligraphy aesthetics such as the order of writing strokes, the method of moving the brush, the weight of lifting and pressing, and the rhythm of the strokes during the creation of Chinese calligraphy. Provide support for the development of Chinese calligraphy education software and other applications.

The invention relates to audio stream metadata, an audio stream metadata generation method, electronic equipment and a storage medium. The audio stream metadata comprises an attribute area which comprises an audio stream name, an audio stream identifier and audio stream format description information; and the sub-element region comprises one of audio channel format reference information and audio packet format reference information, and further comprises audio track format reference information. The audio data can realize three-dimensional sound reproduction in the space during rendering, so that the quality of a sound scene is improved.

The invention discloses a vehicle data acquisition method, an intelligent terminal and a storage medium, and is applied to the technical field of Internet of Vehicles. The vehicle data acquisition method comprises the following steps: generating a diagnosis file corresponding to a vehicle system according to a set diagnosis parameter and a set data uploading period; the diagnosis file is sent to a vehicle system, after the vehicle system receives the diagnosis file sent by the intelligent terminal, target data are screened according to set diagnosis parameters in the diagnosis file, and the target data are uploaded to the intelligent terminal according to the set data uploading period in the diagnosis file; and receiving the target data fed back by the vehicle system, and diagnosing the fault information of the vehicle system according to the target data, thereby solving the problem that the vehicle fault cannot be positioned and reproduced, and realizing the positioning of the vehicle fault.

The invention discloses a portable aluminum-copper fixed point blackbody furnace, which comprises a portable fixed point furnace and an aluminum-copper fixed point crucible, realizes melting and solidification of an aluminum-copper eutectic fixed point (548.2 DEG C), adopts a PLC three-section temperature control mode in combination with the high heat conduction characteristic of a red copper aluminizing soaking block, and can improve the uniformity of a temperature field, prolong the duration time of a temperature plateau, and improve the reproduction level. Although the determined aluminum-copper fixed point is not adopted in an ITS-90 temperature scale, the temperature value of the aluminum-copper fixed point falls between defined fixed points of a zinc fixde point and an aluminum fixedpoint and is at a good reproduction level less than 30 mK, and can serve as an auxiliary fixed point of a radiation temperature standard device in the temperature range from 420 DEG C to 660 DEG C, so that the temperature range of the calibration fixed point of an infrared radiation thermometer is extended, and the temperature measurement accuracy of the radiation thermometer is improved.

The invention provides an evaluation data acquisition method, device and system, electronic equipment and a storage medium, and relates to the field of artificial intelligence such as intelligent voice, computer vision and natural language processing. The method comprises the following steps: injecting obtained navigation track data into a mobile terminal, and reproducing a navigation scene corresponding to the navigation track data in the mobile terminal by utilizing a map navigation product in the mobile terminal; the obtained user voice is played, voice interaction with the map navigation product is carried out, and the user voice is the user voice in the voice interaction process corresponding to the navigation scene; and obtaining voice interaction information returned by the mobile terminal, and determining the evaluation data according to the voice interaction information. By means of the scheme, manpower and time cost can be saved, and the processing efficiency can be improved.

The invention relates to a binaural audio packet format-based metadata and a generation method, equipment and a medium. The metadata of the audio packet format comprises an attribute area which comprises an audio packet format identifier and an audio packet format name of an audio packet, and the audio packet format identifier comprises information indicating that the audio type of the audio packet is a binaural channel type; the sub-element area comprises first reference information, second reference information and an absolute distance, the first reference information comprises audio channel format information adopted by an audio channel related to the audio packet during rendering, and the second reference information is indicated as preset invalid information; the preset invalid information is used for representing that the corresponding reference information does not exist in the audio packet of the binaural channel type during rendering, the absolute distance indication is a preset invalid value, and the preset invalid value is used for representing that the corresponding distance does not exist in the audio packet of the binaural channel type during rendering. And during rendering, reproduction of the three-dimensional sound can be realized in the binaural, so that the quality of a sound scene is improved.