12results about How to "Improve time accuracy" patented technology

The invention relates to a time synchronization method in a passive optical network, a passive optical network system, communication equipment and a computer readable storage medium. According to the method, aiming at the characteristic that two-way transmission in the PON network is asymmetric, a DBA mechanism of the PON network is combined, in the same period, master-to-slave service forwarding time slots are arranged before slave-to-master forwarding time slots, and a determined moment sending mechanism of a slave clock terminal is introduced, so that the influence of different two-way waiting time delays in the PON network on time synchronization can be avoided; and the master clock terminal determines the offset according to the information obtained in the interaction process with the slave clock terminal in combination with the bidirectional time slot difference and the preset duration, and provides the offset to the slave clock terminal, so that time synchronization between the master clock terminal and the slave clock terminal is realized, the time accuracy of each device in the PON network is improved, and the user experience is improved. The problem that a time synchronization mechanism in a current industrial control network is not matched with a PON network forwarding mechanism is solved.

The present application relates to the technical field of intelligent dry ice production hydraulic control, a dry ice production hydraulic control method and system based on multi-sensor cooperation, the method comprising: confirming a dry ice production hydraulic control environment based on a dry ice production hydraulic control instruction, performing hydraulic pressure on the dry ice raw material based on a hydraulic cylinder, collecting data based on a multi-source sensing unit, time-synchronizing multi-source information to obtain synchronized multi-source information, analyzing the synchronized multi-source information based on an intelligent analysis and decision unit, calculating a target flow based on a working condition stage, calculating a compensation pressure based on a pipe cross-sectional area and the target flow, performing comparative analysis based on synchronized real-time pressure, synchronized output flow, the target flow and the target pressure, and obtaining a reversing valve control instruction based on the working condition stage. The present application can improve the precision, efficiency, reliability and energy utilization rate of dry ice production hydraulic control.

The invention relates to the technical field of virtual training, and provides a simulation data analysis method and system for virtual training of first-aid personnel, the method is applied to a simulation server, and the method comprises the following steps: obtaining target information and first-aid information of the first-aid personnel on a target virtual patient; the first-aid information comprises an original timestamp of each first-aid event in the plurality of first-aid events and a transmission delay duration of each first-aid event; for a target first-aid event in the multiple first-aid events, determining an adjustment timestamp of the target first-aid event according to the target information, the original timestamp of the target first-aid event and the transmission delay duration of the target first-aid event; the target first-aid event is any one first-aid event in a plurality of fruit first-aid events; and arranging the adjustment timestamps of the plurality of first-aid events according to a time sequence to obtain training process data of virtual training of the first-aid personnel. The time sequence accuracy of simulation data analysis of virtual training of first-aid personnel can be improved.

The invention discloses a power management method and device, and belongs to the technical field of power management, and the method comprises the steps: S1, configuring a traversal instruction triggering condition, a time calibration task and a timing task for a time node of a cycle time wheel; s2, judging whether a traversal instruction triggering condition of a cycle time wheel is reached or not; when a traversal instruction triggering condition is reached, executing S3, otherwise, executing S2; and S3, receiving and executing the time calibration task through the power management equipment, synchronizing the local time with the network time, then matching the execution time of the timing task, and triggering the timer to execute the timing task. According to the scheme, the time node of the cycle time wheel configures the traversal instruction triggering condition, the time calibration task and the timing task, the power management device receives and executes the time calibration task when the traversal instruction triggering condition is met, then the timing task is executed, timing management can be carried out on the power supply of the electrical equipment, and the power management efficiency is improved. And the reliability of power management is obviously improved.

Embodiments of the present disclosure disclose a large language model-based electronic contract generation and sending method, device and equipment. A specific implementation of the method includes: performing semantic analysis on an electronic contract demand information set to obtain a contract demand semantic information set; performing business data mapping processing on the contract demand semantic information set to obtain a business database information set; performing format conversion on the contract demand semantic information set to obtain a contract generation execution instruction set; generating a demand semantic dependency graph set; generating a database call statement set; generating a target electronic contract; performing abnormality detection on each contract segment information included in the target electronic contract to obtain a segment abnormality identification information set; and after adaptive display of the target electronic contract, performing sensitive encryption sending to a corresponding terminal for electronic signature processing. The implementation can improve the efficiency and quality of electronic contract generation, improve the security and display quality of the electronic contract, and reduce the waste of video memory and transmission resources.

The utility model belongs to the road surface detection technical field discloses a kind of water permeation coefficient measuring devices, including support base, water permeation measurement piece, flow guide pipe and valve, water permeation measurement piece includes first measuring cylinder part and two second measuring cylinder parts, the diameter of first measuring cylinder part is greater than the diameter of second measuring cylinder part, compared with the same height measuring container in traditional measuring device, increase water volume, so under the same road surface condition, the error generated by artificial reading second reduces the influence proportion of water permeation coefficient, and the measurement precision of water permeation coefficient is improved.The diameter of second measuring cylinder part is less than the diameter of first measuring cylinder part, so that the water level change in the inside of both can be observed more timely by detection personnel, and the timing accuracy of detection personnel is improved.Valve is provided on flow guide pipe, which facilitates detection personnel to control the on-off of water at flow guide pipe in time, support base is arranged at the lower part of flow guide pipe, and support base can provide stable support for water permeation coefficient measurement operation.

The present invention discloses an online timed transaction method and device, which can be used in the financial field, wherein the method comprises: obtaining a CICS resident transaction and a transaction configuration table, wherein the transaction configuration table comprises: a timed transaction name, a timed time point, a timed period, and an operation status flag; when a REGION of a CICS cluster environment is started, the CICS resident transaction is automatically started; according to the operation status flag, an exclusive lock is added to read the timed time point and the timed period in the transaction configuration table; according to the timed time point and the timed period, a timed start transaction command in a CICS API is called to perform online timed transactions. The present invention can perform online timed transactions, avoid single point failure risks, and improve timing accuracy.

The invention relates to timing recovery for in-band communication in inductive power transfer systems. A clock recovery system for recovering an in-band communication clock in a wireless power transfer system may include: a phase-locked loop; and a bit decision block and a multiplexer that cooperate to selectively provide an error signal to the loop filter in response to a bit detected in the in-band communication bit stream. The phase-locked loop may also include a phase detector that calculates an error signal as a function of a difference between the instantaneous peak position and an estimated peak position related to a symbol in the in-band communication bitstream; a loop filter that selectively receives the error signal; and a voltage-controlled oscillator that adjusts its output frequency in response to the output of the loop filter.

This application provides a method and system for precise control of the initiator addition rate in OLED material synthesis, relating to the field of initiator technology. The method includes: real-time monitoring of the OLED material synthesis process to obtain monomer concentration and degree of polymerization sequences; collecting reactor temperature, pressure, and stirring rate data to obtain a temperature-pressure-stirring rate sequence; performing state-time sequence memory transfer interaction to generate a synthesis reaction scenario representation vector; identifying the initiator addition scenario from the synthesis reaction scenario representation vector to obtain the optimal initiator addition rate; and generating control commands for a high-precision metering pump based on the optimal initiator addition rate. This application solves the technical problem of poor accuracy in controlling the initiator addition rate in OLED material synthesis in existing technologies, achieving the technical effect of improving the accuracy of initiator addition rate control in OLED material synthesis.

The present invention discloses a data storage method, product, device and medium based on a hard disk, and relates to the technical field of data storage. When the end of life period under the current storage mode is reached, the current storage mode is not continued to be used, but a target storage mode with a smaller number of storage unit layers than the current storage mode is determined. The current storage mode is converted to the target storage mode, and the remaining life of the hard disk in the current storage mode is mapped to the life in the target storage mode to continue data storage, thereby extending the use time and use value of the hard disk as a storage device, restoring the corresponding storage function, improving the stability and security of storage, and avoiding the risk of data loss.

This application discloses a method and system for quality traceability of the coating process chain based on knowledge graphs, belonging to the field of big data processing technology for quality traceability. The specific implementation scheme is as follows: Dynamic process parameter curve feature analysis is performed to determine whether to adopt time-series curve feature optimization and coating timestamp consistency calibration; temporal causal determination of the coating graph is performed to determine whether to trigger graph temporal constraint supplementation and correlation completion; quality traceability reasoning for the coating process is performed; and after the reasoning is completed, the temporal logic qualification of the coating traceability path is verified. If the verification is qualified, the final coating quality defect traceability result is output; if the verification is unqualified, a notification of unqualified coating quality defect traceability result is sent. This helps to solve the problem of low accuracy of coating process chain quality traceability results.

The present application relates to the technical field of oral health, and particularly relates to a pregnant woman oral health examination management system and method, the system comprising: a gestational week physiological characteristic analysis module for constructing a corresponding oral sensitivity characteristic vector of each gestational week; a morning sickness characteristic analysis module for constructing a gastric acid erosion risk characteristic vector; a tooth characteristic analysis module for constructing a tooth acid resistance characteristic vector; an erosion risk assessment module for coupling analysis of the gastric acid erosion risk characteristic vector and the tooth acid resistance characteristic vector, and evaluating the tooth surface acid erosion risk caused by vomiting; and an oral health risk assessment module for joint modeling based on the oral sensitivity characteristic vector and the tooth surface acid erosion risk evaluation result, and generating a pregnant woman individualized oral health risk assessment result. The present application quantifies the gastric acid erosion risk characteristic caused by morning sickness, the tooth acid resistance characteristic, and the gestational week oral sensitivity characteristic, and effectively improves the prediction accuracy and reliability of the oral health risk during pregnancy.