84 results about "Timing system" patented technology

The invention discloses a multi-mode fusion time service method and system based on dynamic calibration of DCP equipment. The method comprises the following steps: completing initial time reference data acquisition based on a multi-mode satellite signal; meanwhile, time data of a ground time service network are collected, and motion parameters of DCP equipment are monitored in real time through an inertial navigation unit; establishing a correlation model of the motion parameter and the time service error; quantitative analysis of error sources is completed based on the correlation model; fusing the multi-source time data; dynamically adjusting the fusion weight of each data source according to the real-time motion state of the DCP equipment; redundant time slots are automatically distributed to high-error equipment; outputting the calibrated time signal to DCP equipment through an interface to complete clock synchronization; and continuously monitoring the time deviation of the DCP equipment, and dynamically updating the calibration parameters to form closed-loop optimization. And the environmental adaptability and the precision stability of the timing system are improved.

The invention discloses a satellite loop simulation test system and method, electronic equipment and a program product. The satellite loop simulation test system comprises a darkroom system used for simulating an electromagnetic propagation environment between a satellite and a terminal; the turntable system is deployed in the darkroom system and is used for controlling the terminal to move in the darkroom system according to the input terminal movement track; the communication system is used for sending a downlink test signal to the terminal and receiving an uplink test signal fed back by the terminal according to the input channel simulation file, and the uplink test signal and the downlink test signal are used for determining a test result of the satellite loop simulation test; and the timing system is used for generating a unified time reference for the turntable system and the communication system, and the turntable system and the communication system operate based on the time reference. The technical problem of how to construct a darkroom test environment in a low-orbit broadband satellite high-speed motion scene so as to verify the end-to-end communication performance of a terminal under a real-time tracking satellite is solved.

The invention discloses a timing system with an anti-disassembly function, and relates to the field of coach car data collection, and the system comprises an anti-disassembly label which is installed in a coach car; the anti-tamper detection module is installed in close contact with the anti-tamper tag, and the anti-tamper detection module internally comprises an anti-tamper tag read-write circuit so as to obtain state data of the anti-tamper tag; and the timing equipment host is connected with the anti-disassembly module and is used for periodically reading the label state data so as to automatically trigger an anti-disassembly response when the state of the label state data is lost or the communication is interrupted. The tamper detection module is physically attached to the label, label information is continuously read and written, the host polls and verifies the state regularly, once the label leaves, is disconnected or is shielded, abnormity can be detected, response is timely and accurate, and the problem of misinformation caused by physical false triggering is avoided.

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 relates to the technical field of automobile power control, in particular to a self-learning method and device of an engine, a vehicle, a medium and a program product.The method comprises the steps that under the condition that it is detected that the engine is started, if the rotating speed of the engine is within a certain rotating speed interval, the engine is started; and if a rotor of the variable inlet cam timing system of the engine is located at the initial position and the rotor of the variable inlet cam timing system of the engine is located at the initial position, entering a continuous self-learning mode, and collecting camshaft and crankshaft position signals of the variable inlet cam timing system so as to perform phase correction according to the camshaft and crankshaft position signals. Therefore, the problem that the valve timing control effect and the engine performance are affected due to signal deviation or response lag caused by the fact that engine control is conducted depending on fixed parameters or only based on an open-loop adjusting mode in the prior art, long-term operation of the engine and frequent working condition changes in a hybrid power mode are difficult to adapt is solved.

The invention relates to a multi-time-source PTP time service circuit based on a Loongson SOC, and belongs to the technical field of timing systems. The time service circuit comprises a Loongson SOC, an FPGA, a high-stability crystal oscillator, an RS422 transceiver, a network card, a switch, computing blades 1-6 and an external clock source. According to the design scheme, the performance is stable and reliable, the mode is novel, the problem that interfaces between devices are incompatible in the equipment development process is solved, meanwhile, a design thought is provided for the time service scheme of the reinforced server, and a new solution is provided for transition of a new time service scheme and an old time service scheme. The scheme has been successfully applied to a certain reinforced server.

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.

1. The name of the design product: timing guide rail (1). 2. The use of the design product: the design product is used for engine timing system. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention belongs to the technical field of building materials, and provides gel material mixing equipment which comprises a belt conveyor, a material tank, an electric control cabinet and a mixer, the conveying assembly is arranged, the time of the materials from opening to closing of a movable plate and a valve is recorded through a computer timing system by means of two closing pieces matched with paste and powder materials, starting and stopping of a first motor are combined, the average flow speed of the materials in a conveying pipe is determined, and the flow speed of the materials is calculated according to the set time and the flow speed of the materials. According to the channel timing method, the quantity of conveyed materials is calculated, a complex weighing sensor or a metering sensor is not needed, the problems of installation complexity and environmental interference caused by long-distance wiring are solved, the channel timing method is high in adaptability to the types of the materials and environmental conditions, stable work, computer timing and automatic control can be achieved even in the open air environment, and the working efficiency is improved. Automatic batching and metering are achieved, manual intervention is reduced, and the production efficiency is improved.

The invention belongs to the technical field of internal combustion engine power systems, and provides a timing system for improving the fuel economy of an engine, which adopts a camshaft-free electro-hydraulic valve actuating mechanism to independently and accurately control each valve to move; the integrated energy recovery and auxiliary driving system realizes valve kinetic energy recovery and auxiliary driving; multiple combustion modes are switched in a self-adaptive mode through the multi-mode combustion cooperative controller according to working conditions; in-cylinder heat management and airflow organization optimization suite are matched, the in-cylinder airflow and heat state is optimized, and the fuel economy is comprehensively improved; through mechanical-electrical-hydraulic integrated camshaft-free independent driving, energy recycling and artificial intelligence global cooperative control, full-dimension precise adjustment, energy consumption self-balancing, multi-combustion-mode seamless switching and multi-scene adaptation of the air valve are achieved, and therefore multi-dimension balance of fuel economy, dynamic property and environmental protection property is achieved.

A diesel engine camshaft gear timing mark testing fixture comprises a testing fixture body and a mandrel, the mandrel is transversely installed in a central hole of the testing fixture body, the testing fixture body is fixedly connected with the mandrel, and one end of the mandrel on the same side with the testing surface of the testing fixture body is a structure matched with the central hole of the camshaft gear. A clamp body pin hole corresponding to a gear pin hole of the camshaft gear is formed in the transverse direction of the testing fixture body, and a positioning pin is mounted in the clamp body pin hole; the detection surface of the outer edge of the detection tool body is provided with a spacing timing mark line segment corresponding to the gear timing mark line segment on the camshaft gear. The diesel engine camshaft gear timing mark gauge can realize angle progress detection of a timing mark line segment, the error is controlled within + / -15 ', and the accuracy of a diesel engine timing system can be completely ensured.

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.

The invention relates to a stepped multi-stage timing method and system, electronic equipment and a storage medium, timing containers graded according to time intervals are managed through a timing engine, timers are dynamically allocated to corresponding containers according to remaining time, check is triggered in combination with inverted indexes, and when the remaining time is insufficient, the containers with smaller intervals are migrated. And utilizing the multi-core CPU to process different group pulse tasks in parallel. According to the scheme, the problems of low efficiency, slow response and poor expansibility caused by single interval scheduling of a traditional timer are solved, the effects of efficient scheduling to reduce CPU occupancy, dynamic migration to improve trigger precision, supporting self-defined hierarchy to enhance expansibility, and automatic overdue cleaning to save resources are achieved, and timing precision and resource consumption are balanced through hierarchical dynamic management.

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.