50 results about "Timing system" patented technology

The invention discloses a high-precision clock taming and signal shaping method and device for a satellite timing system. The method comprises the following steps of: counting and measuring a reference pulse per second received in real time by using a local high-frequency clock signal output by a local voltage-controlled crystal oscillator to obtain a phase counting deviation sequence of the local high-frequency clock signal relative to the reference pulse per second; inputting the phase counting deviation sequence into the frequency control closed-loop model, analyzing the historical state characteristics of the phase counting deviation sequence, and calculating a frequency adjustment instruction for the local voltage-controlled crystal oscillator; the frequency adjusting instruction is converted into an analog voltage signal, a local voltage-controlled crystal oscillator is driven to adjust the output frequency, and a tamed local high-frequency clock signal is obtained; the tamed local high frequency clock signal is utilized to drive phase warping logic to generate a local pulse per second synchronized with the reference pulse per second. According to the invention, through adaptive closed-loop control and phase regulation, precise taming of crystal oscillator frequency and high-precision shaping of output signals are realized.

The invention belongs to the technical field of distributed control and intelligent operation and maintenance, particularly relates to a synchronous timing system fault diagnosis method based on unsupervised learning, and aims to solve the technical problems that fault early warning is lagged, hidden coupling faults are difficult to recognize and fault samples are scarce in the prior art. Constructing a time sequence of the multi-dimensional state space; s2, calculating a dynamic control entropy feature representing the disorder degree of the control loop; s3, obtaining a reconstruction sequence of the input sequence, and calculating a reconstruction error vector; and S4, calculating a real-time abnormal score of the synchronous timing system, and judging whether the synchronous timing system enters a metastable fault state or not according to the real-time abnormal score. According to the invention, the early warning of the fault is realized, and the early warning can be given out when the SoftPLL enters the metastable state and does not lose the lock yet.

The invention provides a task scheduling method, a scheduling system, a client and a computing device cluster, and the method comprises the steps that the scheduling system obtains information of a first computing task, the information of the first computing task comprises first execution time of the first computing task, and the first execution time is time under a first time system; and the scheduling system determines a first time period corresponding to the first calculation task from the plurality of time periods according to the first execution time, and schedules the first calculation task when the current time is in the first time period. Wherein the multiple time periods are different time periods under the second time system, the second time system and the first time system are different timing systems, the first execution time corresponds to second execution time under the second time system, and the second execution time is located in the first time period. According to the scheme, the management complexity of the calculation task can be reduced.

The invention provides a modularized positioning navigation time service system and a positioning navigation time service method, the modularized positioning navigation time service system comprises a plurality of PNT assembly modules and an information fusion module, and the modules realize efficient data interaction through a standardized interaction protocol. The PNT component module is composed of a sensing element, an edge calculation chip and an information transmission interface, the standardized information extraction sub-module is deployed in the edge calculation chip, comprises a parameter setting unit, a parameter characteristic extraction unit, a constraint construction unit and a statistical characteristic extraction unit, and converts output information of a PNT component into a standard form; and the information is transmitted to the information fusion module. The information fusion module comprises an information transmission interface and an intelligent computing platform, intelligent optimization and fusion processing of multi-source PNT information is achieved through an information monitoring sub-module, a parameter adjustment sub-module, a space-time unification sub-module and an intelligent fusion sub-module which are deployed in the intelligent computing platform, and state estimation information is output.

Rodeo and / or equestrian event competition timing systems and associated devices and methods are disclosed. The competition may be an equestrian or rodeo event, including livestock riding and roping including break-away roping. Methods, devices and systems for timing such events are provided. Methods replacing manual and human-eye based event timing for at least one of event starting, event stopping, or both, with automated methods are explained.

This application relates to a high-precision timing system and method based on dual-channel time measurement. The system includes: a filtering module for receiving analog signals output from a particle detector, filtering and denoising the analog signals, and converting the processed signals into two co-source valid signals for output; a time measurement module for receiving the two co-source valid signals, and by configuring a first discrimination threshold and a second discrimination threshold, performing discrimination processing on the two co-source valid signals respectively, capturing the characteristic time when each signal reaches the corresponding discrimination threshold, and outputting the first characteristic time and the second characteristic time; and a data processing module for calculating and storing the high-precision arrival time based on the approximately linear characteristics of the rising edge of the signal pulse, according to the first discrimination threshold, the second discrimination threshold, the first characteristic time, and the second characteristic time. Using this system, particle arrival time measurement can be achieved with both stability and high precision, meeting the application requirements of high-precision timing scenarios.

The invention discloses an NVMe data recording method and system based on an FPGA and a medium. Relates to the technical field of data management. The system is improved on the basis of a traditional NVMe system architecture, a CPU is realized by a programmable logic device FPGA, the system complexity is reduced, and an application is separated from an operating system; meanwhile, based on the characteristics of high flexibility and high-precision timing of the FPGA, the application efficiency of the PCIE interface and the NVMe protocol message is improved, the bandwidth waste is reduced, and the timing system can quickly complete receiving and transmitting of the NVMe protocol message with high precision; according to the NVMe data recording system, method and equipment, synchronization and parallel storage of data of multiple NVMe channels are completed based on the multi-channel synchronization function, the data recording bandwidth is improved, and lightweight high-performance, high-throughput and low-delay SSD read-write is achieved in applications needing high-bandwidth data storage and recording.

This invention relates to the field of navigation and timing technology, specifically to a GNSS timing data prediction method and related equipment. The method involves acquiring Roland timing data when GNSS timing data is invalid and preprocessing it. The preprocessed data is then input into a trained single-hidden-layer extreme learning machine model. This model calculates the hidden-layer output matrix by randomly initializing the input layer weight matrix and bias vector, and solves for the output weights using regularized least squares. The model outputs a normalized GNSS timing data prediction value, which is then denormalized to obtain the final GNSS timing prediction result. This method combines the high stability of the Roland system with the efficient computational power of the extreme learning machine to achieve accurate GNSS timing data prediction. It is suitable for enhancing the resilience of positioning, navigation, and timing systems in critical infrastructure scenarios, ensuring the continuous operation of the system even when GNSS signals are interfered with or fail.

A method includes a mobile device receiving a plurality of first signals from one or more first transmitters in a network. Each first signal has first data including an associated time that is non-synchronized to the time of another first signal of the plurality of first signals. One or more processors synchronizes the associated time of each first signal to a common time scale. One or more processors determines a position of the mobile device using a common time scale of the plurality of first signals.

The invention relates to an electricity-hydrogen-chemical-storage-heat multi-energy coupling system intelligent regulation and control simulation verification platform and method based on a distributed architecture, and the platform comprises an energy management and control platform which employs a cross-time-scale layered regulation and control architecture and comprises an optimization scheduling layer and a cooperative control layer; the optimization scheduling layer generates a multi-time scale scheduling instruction from a second level to a day level based on a multi-target dynamic optimization function; the cooperative control layer receives an instruction of the optimization scheduling layer, and executes real-time electricity-hydrogen-storage-heat cooperative frequency and voltage regulation control through a power balance controller, a heat supply network balance controller and a hydrogen transmission balance controller; the distributed simulation system is used for truly simulating dynamic behaviors of the physical system; and the timing system is used for providing a global clock synchronization signal for the energy management and control platform and the distributed simulation system. According to the method, a high-precision, high-real-time and high-reliability simulation verification means is provided for coal-based chemical green low-carbon transformation, the engineering risk can be remarkably reduced, and the flexibility and economical efficiency of the system are improved.

According to the invention, there is provided a timing system for an ion trap quantum computer comprising a clock outputting a timing signal of period t, a plurality of delay lines coupled to the clock and each configured to input a different delay of less than t and a delay selection mechanism configured to select the delay wherein the delay by each of the delay lines is a different fraction of the period t.

A timing system during an ablation procedure having a time to isolation includes an automated timer that receives a first time setting. The first time setting provides a maximum time that the ablation procedure can continue without reaching the time to isolation. A catheter system including the timing system can also include a control system that is configured to automatically stop the ablation procedure if the first time setting expires without reaching the time to isolation. The operator can input the first time setting via a graphical display of the catheter system. The automated timer can generate an expiration signal if the first time setting expires without reaching the time to isolation. The automated timer can further receive a second time setting from the operator that provides a maximum time that the ablation procedure can continue after reaching the time to isolation.

The application discloses a timing system, which comprises a reader-writer, a tag reading unit, a tag information writing unit, a logic processing unit, a timing reminding unit and a multi-channel timer arranged in the reader-writer, wherein the reader-writer is provided with a tag reading induction area and an operation interface, the tag reading unit is arranged at the tag reading induction area, and the operation interface is in signal connection with the tag information writing unit. The tag is mainly used for being attached to an article, and the timing information can be written in the tag; the article is monitored through the timing information; it is known that the article needs to be treated at a certain time or the shelf life of the article; the user is conveniently reminded to treat the article within a specified time period, so that the article is prevented from missing the shelf life or the best treatment time period.

A method includes a mobile device receiving a plurality of first signals from one or more first transmitters in a network. Each first signal has first data including an associated time that is non-synchronized to the time of another first signal of the plurality of first signals. One or more processors synchronizes the associated time of each first signal to a common time scale. One or more processors determines a position of the mobile device using a common time scale of the plurality of first signals.

A drive system for a switch can include a control module configured to control, directly or indirectly, a state of a switch between a first state and a second state. The drive system can also include a transition timing system configured to measure a transition time that the switch is in transit between the first state and the second state.

The invention belongs to the technical field of embedded systems and real-time control, and relates to a high-precision modular event timing system based on a microTCA.4 standard and a Zynq SoC architecture, which is suitable for scenes with high requirements on time synchronization precision and system stability, such as industrial control, and adopts a Zynq SoC timing main logic AMC board card conforming to the microTCA.4 standard and a ZYNQ-7045 SOC industrial chip; a Zynq SoC-based heterogeneous firmware module is provided, a PL end supports nanosecond event timing precision, and a PS end is in high-speed communication with the PL end through an AXI bus; a point-to-point signal real-time transmission and sharing mechanism based on mLVDS is provided; a standard backboard signal output board card and a plurality of types of high-speed photoelectric conversion terminal matching board cards are provided; according to the invention, the advantages of the FPGA are fully exerted, the core function is realized, a high-precision, flexible and extensible system is constructed, and the performance of an event timing system is improved.

A kind of synchronous timing control system for strong laser plasma interaction experiment, including a femtosecond laser device, a square wave signal generator, a jet signal synchronizer, three delay timers, a 12-way signal synchronizer, two shutter controllers, a YAG laser, a jet controller, multiple experimental acquisition instruments including an electron spectrometer, a rear imaging CCD, a spectrometer CCD.The present application is mainly applied to the field of strong laser plasma interaction, which can accurately control the interaction time of femtosecond laser pulse and nanosecond gate plasma channel, and accurately control the start acquisition time and acquisition duration of various experimental data, improve the signal-to-noise ratio, and the whole timing system is very easy to adjust.The present application also has strong expansibility, when ionized gas is not needed to form plasma channel, the 1Hz pulse signal timing of the right half of the dashed line can be removed, so that the interaction time of femtosecond laser pulse and millisecond gate jet gas can be accurately controlled.The expansibility of the present application is also reflected in that enough output ports have been reserved, and suitable functional elements can be connected subsequently.

The present application belongs to the technical field of distributed control and intelligent operation and maintenance, and particularly relates to a synchronous timing system fault diagnosis method based on unsupervised learning, to solve the technical problems of existing fault early warning lag, difficulty in identifying implicit coupling faults and scarcity of fault samples, comprising: S1, constructing a time sequence of a multi-dimensional state space; S2, calculating a dynamic control entropy feature representing the degree of disorder of a control loop; S3, obtaining a reconstructed sequence of an input sequence and calculating a reconstruction error vector; S4, calculating a real-time anomaly score of a synchronous timing system, and determining whether the synchronous timing system enters a metastable state fault state according to the real-time anomaly score. The present application realizes early warning of faults, and can issue a warning when the SoftPLL just enters a metastable state and has not yet lost lock.

According to the long-distance high-precision time service system and method based on the time-triggered Ethernet, absolute time synchronization of one master and multiple slaves in a domain is achieved on the basis of being compatible with the standard of the time-triggered Ethernet, the system and method can be used for the single time reference of the whole network, a plurality of time synchronization master nodes can also be arranged according to subsystems, and the time synchronization efficiency is improved. The subsystems use respective time reference sources and time formats and do not interfere with one another; the redundancy time synchronization based on the priority can be conveniently realized only by deploying a plurality of time synchronization master nodes using the same time format in the whole network, and a plurality of time reference redundancies can be set and work simultaneously, so that the synchronization reliability is improved.

The utility model relates to an electronic target scoring timing system for grenade use, which is used for timing and score evaluation of grenade throwing items in military training examination, and comprises laser timing sensors arranged at a starting point and an ending point and used for sensing the time when examinees pass through the starting point and the ending point; the multi-row timing display is used for displaying various assessment times; the remote controller is provided with a plurality of keys and respectively corresponds to different time adding conditions, and when the corresponding keys are pressed down, time adding instructions are sent to the main control unit; the sound equipment is used for receiving the voice broadcasting instruction of the main control unit and broadcasting; and the main control unit is in wireless communication connection with the components and is used for processing and controlling data. According to the system, through collaborative design of the remote controller and the main control unit, voice feedback, authority management and military examination rules are deeply bound for the first time, design is reasonable, deployment is flexible, accuracy, high efficiency and fairness of military training examination can be remarkably improved, and the system has high practical value and popularization significance.

A system for adjusting a clock signal may include a timing system that receives a reference timing signal having a reference frequency, a plurality of sensors to generate sensor data, an oscillator to generate a clock signal, and one or more processors. The one or more processors may execute instructions stored in memory to train a machine learning model to predict frequency drift of the clock signal based on the sensor data and frequency drifts between an output frequency of the clock signal and the reference frequency. The sensor data may be utilized as training data, and the frequency drifts may be utilized as target data. The one or more processors may further execute to adjust the clock signal to compensate for frequency drift based on a prediction from the model. Other aspects are also described and claimed.

The invention discloses a long-range multi-type timing signal control system and method, and solves the technical problems that existing timing signal control equipment is difficult to control multiple paths of timing signals with different requirements at the same time, the control process of active signals and passive signals is tedious, and the timing signals are easy to interrupt due to overlong power supply time. The control system comprises a signal receiving unit and a timing signal generator. The signal receiving unit is connected with an engine high-altitude simulation test control system, receives a trigger signal sent by the control system and converts the trigger signal into a corresponding control signal; the timing signal generator comprises a PCB (Printed Circuit Board) and a plurality of timing signal generating units mounted on the PCB; each timing signal generation unit comprises an active signal generator and a passive signal generator; the signal receiving unit is respectively connected with the input ends of each active signal generator and each passive signal generator, and the output ends of the active signal generators and the passive signal generators are connected with the corresponding measuring equipment.

Systems and methods for backing up a database are provided. A method, according to one implementation, includes a step of receiving a command to perform a full backup procedure in which data stored in a database is intended to be backed up. The method further includes a step of detecting physical locations that are available for data storage. Based on the detected physical locations and a data distribution plan, the method further includes a step of dividing the data stored in the database into multiple data sections and distributing the multiple data sections to corresponding physical locations.

This application provides a timing calibration method, a chip timing system, and a chip. The timing calibration method includes: synchronously starting a first counter and a second counter for counting; wherein the first counter uses a first clock signal provided by an external crystal oscillator as a first counting clock source, and the second counter uses a second clock signal provided by an RC oscillator inside the timing chip as a second counting clock source; when the first count value of the first counter equals the counting period corresponding to a preset calibration time, the counting of the first counter and the second counter is stopped synchronously, and the second count value of the second counter is used to calibrate the timing of the RC oscillator inside the timing chip. This application achieves the calibration of the timing of the RC oscillator inside the timing chip, ensuring the accuracy of timing using the RC oscillator, and at the same time, by waking up the external crystal oscillator only when timing calibration is needed, it reduces the power consumption required to use the external crystal oscillator, achieving low-power calibration timing.

The present invention relates to a decoder (18) for a race timing system (16), comprising: a reader interface (24) for receiving detections of sports timing transponders (14) passing an antenna (106); a cable connection interface (26) for connecting a network cable and / or a computer interface cable; a user interface (28) for providing configuration feedback to a user; a processing unit (84) for determining passing times of participants (10) in a sports event based on the detections; and a housing (30) for protecting the processing unit from environmental impact, wherein the user interface is arranged on an outside of the housing for providing user access and the cable connection interface is arranged under a protective flap (42) that is configured to provide user access to the cable connection interface in an open state and to shield the cable connection from environmental impact in a closed state. The present invention further relates to a race timing system (16).

This utility model relates to the field of charging equipment technology, and in particular to a centralized multi-port charging station with a timing system management function. It includes a support block, with two connecting plates fixedly connected to both sides of the support block. Several charging devices are fixedly connected to one side of the two connecting plates facing each other. A fixing block is fixedly connected to one side of the two connecting plates, and a baffle is fixedly connected to the front of the support block. This utility model has the advantages of good protection and easy disassembly. In actual use, the drive mechanism allows the protective shell to move. When the top of the protective shell contacts the baffle, it covers the surface of the timing manager, thus protecting it from collisions with external objects and effectively extending its service life. The locking mechanism secures the timing manager in place.

Systems, methods, and apparatuses are described for wireless communications. A wireless device may transmit an uplink signal via a cell of a cell group. Transmission timing of the uplink signal may be based on a cell of the cell group and a timing adjustment associated with a different cell group.

The application relates to an engine timing system wear verification bench test method, which replaces the original timing system in an engine with a test timing system to form a test engine; obtains a test speed interval and a test load working condition; obtains a test cumulative running number of the test speed interval in vehicle road spectrum data of the original engine; performs a bench test of the test engine; after the bench test is completed, the wear risk of the test timing system is analyzed and evaluated. The application greatly improves test verification efficiency.

The invention discloses an intelligent vision fixation training instrument and a training method. The method comprises the following steps: generating two point light sources on a screen; automatically identifying pupils of the user, and judging the interpupillary distance; automatically tracking and correcting pupil positions of the user to enable the user to look at the point light source; automatically focusing and synchronously timing; if strabismus or blinking occurs after focusing, stopping the training, and refocusing and timing; if timing reaches a set value after focusing, stopping the training; three groups are trained each time, if the timing of the three groups of training reaches a set value, the three groups of training are judged to be qualified, otherwise, the three groups of training are judged to be unqualified, and the user is prompted to carry out the next fixation training after a period of time. The training instrument comprises a display, a front camera, a voice system, a focusing recognition system, an interpupillary distance calculation system, a timing system, a logic control system and an evaluation system which are connected through a bus. Training can be carried out under the prompt of intelligent voice, and the training result can be intelligently evaluated.

The application discloses a multitask work hour measurement cycle timing system and method, and belongs to the technical field of timing equipment. The system comprises a multitask management module, a timing control module, a time display module, a data storage module, a data management module, a mobile adaptation module and an offline support module, can simultaneously independently time a plurality of production tasks, each timing unit can be independently named and equipped with a complete control button; the method realizes efficient timing through six steps of task initialization, timing control, cycle recording, data storage, data management and desktop shortcut creation. The system supports cycle recording one-key operation, centralized data storage and CSV format export, is adapted to multiple devices through responsive design and supports desktop shortcut creation, can clearly distinguish different tasks, and provides an accurate, convenient and systematic work hour measurement solution for industrial production.