55 results about "Standby system" patented technology

The invention discloses a train control on-board subsystem reliability analysis method, system, equipment and medium, and relates to the technical field of reliability analysis, and the method comprises the steps: carrying out the modeling of the service life of an on-board equipment unit based on Weibull distribution; for a cold standby structure of the vehicle-mounted equipment, an active switching strategy is adopted to switch a main system and a standby system, and the influence of the active switching strategy on unit reliability is quantified through a virtual age; considering the influence of the common cause failure on the redundant structure, and modeling the common cause failure by using a beta factor model; the influence of personnel operation on the system reliability is considered, the success probability of personnel operation is analyzed, and the unit reliability is calculated; and establishing a random Petri net model of the vehicle-mounted system, performing simulation by adopting a Monte Carlo method, and generating system life data and system reliability parameters. According to the method, the action mechanism of active switching for improving the reliability of the system is analyzed, common cause failure and human cause are considered, and the reliability of the system can be improved by improving the reliability of the cold standby unit.

The invention provides a main and standby switching method and system for a water dispatching automation system, and relates to the field of water dispatching automation and data processing. The method aims at solving the problems that in an existing method, business event flow sequential logic is ignored, and instructions are prone to being disordered and lost due to switching. The method is applied to a framework comprising a main system, a standby system and a time source, and the main system and the standby system are synchronous in time. When executing the water dispatching control instruction, the main system generates a water dispatching event containing instruction content and a timestamp, and stores the water dispatching event in a shared event sequence cache region; the standby system periodically pulls an event, simulates execution after verification by a business rule engine in combination with an associated context, constructs an event node tree diagram with a weight, and prunes based on an actual result; and when the switching is triggered, comparing the actual result of the main system with the execution sequence of the standby system, matching an adaptive path, and avoiding error instruction marks. The method guarantees the time sequence consistency and logic correctness of the event flow, achieves the intelligent seamless switching of a main system and a standby system, and guarantees the continuous and stable operation of a water dispatching service.

The present disclosure automatically allows a user to make voice call on a Long-Term Evolution (LTE) network when a User Equipment (UE) (104, 310, 410, 510) is not capable to make voice call on a 5G Standalone (SA) network via redirection or via Handover. The present disclosure allows the user to release the 5G SA network and redirect to measured Evolved Universal Terrestrial Radio Access (E-UTRA) Absolute Radio Frequency Channel Number (EARFCN) of LTE band to proceed an Evolved Packet System Fallback (EPSFB) call successfully, if there is unprecedented failure during the handover procedure. The present disclosure allows the user to redirect to LTE Radio Access Technology (RAT) on default frequency band configured in gNodeB (gNB) ((320, 420, 520) during an emergency voice call or when B1 measurement delayed or not received, or while the UE (104, 310, 410, 510) is active with other procedure or stuck in race conditions.

A backup method, apparatus, and device for an oil pump motor controller, and a storage medium. The backup method for an oil pump motor controller comprises: determining whether OTA upgrade information of a controller has been obtained (S10); upon obtaining the OTA upgrade information of the controller, performing an OTA upgrade on a primary system currently used by the controller, and detecting whether the upgrade of the primary system is completed (S20); and if the upgrade of the primary system is not completed, switching the primary system currently used by the controller to a backup system that occupies less memory than the primary system, so as to perform drive control of an oil pump motor (S30). A simple backup system is provided during an OTA upgrade of an oil pump motor controller of a vehicle, so that when the OTA upgrade fails, the backup system is controlled to be put into operation to ensure vehicle drivability, thereby avoiding breakdowns caused by the upgrade failure. Meanwhile, the backup scheme is implemented with low memory occupancy, thereby reducing the material cost of a memory chip of the controller.

This invention discloses a multi-source thermally coupled electrolytic hydrogen production long-term thermal standby system and control method, belonging to the field of electrolytic hydrogen production technology. In this invention, the alkali solution in the alkali solution circulation loop of the electrolytic hydrogen production module exchanges heat with the circulating medium flowing through the first heat exchange unit and then returns to the electrolytic cell; the circulating medium flows back to the heat storage tank; a new energy auxiliary heating module and an electric-driven heat pump module are used to heat the circulating medium; an intelligent control module is connected to a first temperature sensor signal used to monitor the alkali solution temperature, and is used to control the operation of the circulating medium in the circulation pipeline according to the monitored temperature when the electrolytic cell is running; after the electrolytic cell is shut down, the new energy auxiliary heating module and / or the electric-driven heat pump module are controlled to start and stop according to the monitored temperature; before the electrolytic cell is started, the new energy auxiliary heating module and / or the electric-driven heat pump module are controlled to heat the circulating medium. This invention solves the problems of low energy efficiency and slow start-up in electrolytic hydrogen production systems, and comprehensively improves energy efficiency and start-up response speed.

The invention discloses a train-ground good control method and system for regenerative braking of an urban rail train. A hybrid energy storage framework comprising an energy type ground energy storage system and an energy type railway energy storage system is evaluated. In the planning stage, a multi-objective optimization algorithm is adopted for coordinating and searching for capacity configuration of an optimal vehicle-ground standby system, initial investment is balanced, and energy conservation and high efficiency are achieved. And real-time and good charging time table control: during operation, setting and accessing mutually independent voltage threshold groups with strategic differences for the vehicle-ground energy storage system, and constructing a priority scheduling priority. And online self-adaptive threshold correction: according to the actual energy variation of the energy storage system monitored and counted in real time, dynamically parameters the threshold reference value so as to adapt to the working condition change. Through vehicle-ground coordination, the emergency of a single power grid scheme is overcome, the comprehensive benefit of regenerated energy can be obviously improved, the obtained power grid voltage stability is optimized, and the power grid voltage stability is enhanced.

The invention provides a signal system and a control right switching method thereof. The system comprises a first train control subsystem, a second train control subsystem and a fusion interface unit, the first train control subsystem comprises interlocking equipment; the second train control subsystem comprises a resource controller and an object controller; the fusion interface unit comprises a first interface for connecting the interlocking equipment and the resource controller, a second interface for connecting the interlocking equipment and the object controller, and a third interface for connecting the resource controller and the object controller; the signal system is configured as follows: one subsystem is used as a main system, the other subsystem is used as a standby system, when the main system needs to be switched, a control right state can be handed over through the first interface, and the standby system can monitor and control trackside equipment through the second interface and the third interface. And control right switching from the main system to the standby system is completed. After the main system breaks down, the standby system can be rapidly switched to continue operation, and the operation influence caused by the signal system fault is reduced.

This application relates to a clustered storage system, an upgrade method, a computer device, and a storage medium. The clustered storage system includes a file system and multiple nodes. The file system includes a disk array and redundant disks. A primary system space and a backup system space are established in the disk array. Both the primary system space and the backup system space store an operating system. Each node is a storage controller. All storage controllers share the operating system of the primary system space or the operating system of the backup system space. The storage controller includes a boot system. The boot system is used to boot the storage controllers of one or more nodes to the operating system of the primary system space or the operating system of the backup system space. The primary system space and backup system space based on the disk array improve the stability of the clustered storage system. The operating system upgrade method using the clustered storage system improves the upgrade efficiency of the operating system.

A failure monitoring device (1) for detecting a failure that occurs in a standby system switching unit (3) which is mounted on a transmission device (100) comprises: a generation unit (11) that generates a monitoring packet; a change unit (12) that changes the monitoring packet; and a transmission unit (13) that transmits, to the standby system switching unit (3), the monitoring packet which has been generated by the generation unit (11) and a post-change monitoring packet to which the monitoring packet has been changed by the change unit (12).

This invention provides a storage system, node control method, and program that can better utilize the performance of the standby storage when the operational storage switches from the operational system to the standby system. [Solution] A secondary storage system connected to a primary storage system having multiple primary logical volumes on which data is stored, wherein each storage node has at least one secondary logical volume, and the system comprises multiple storage nodes, and a placement control unit that, when there are multiple pairs of primary and secondary logical volumes belonging to the same consistency group, distributes and places each secondary logical volume of a pair across multiple storage nodes based on the number of pairs and the number of multiple storage nodes.

This non-interruptive switching system includes a first reception device 1Z1 and a second reception device 1Z2. Each of the first reception device 1Z1 and the second reception device 1Z2 includes a non-interruptive switching unit 30 that switches a signal transmitted via an active system transmission path and a signal transmitted via a standby system transmission path without instantaneous interruption. The non-interruptive switching unit 30 includes an active system buffer memory 32, a standby system buffer memory 32, and an adjustment unit that adjusts an initial value of a clock frequency for at least one of the active system buffer memory 32 and the standby system buffer memory 32 on the basis of a transmission delay between sites.

Provided in the present application are a traffic switching method and system for a warm standby system, and a device, a medium and a product. The method comprises: in response to fault recovery of a first user plane device, sending to the first user plane device first user information and first route information that are configured on a second user plane device, wherein the first user information comprises user information of a first user, the first route information comprises route information of a first route corresponding to the first user, the priority of the first route on the first user plane device is a first priority, the priority of the first route on the second user plane device is a second priority, the second priority is higher than the first priority, and the first user belongs to the first user plane device (S100); and in response to the first user plane device completing configuration of the first user information and the first route information, notifying the second user plane device to delete the first user information and the first route information (S200).

The embodiment of the present application provides a kind of method and device of data protection in server, the method comprises: checking whether the data in main system disk and standby system disk in server is kept consistent;In the case where data is inconsistent, the data in main system disk is backed up to nonvolatile memory, and the data in nonvolatile memory is backed up to standby system disk;When main system disk fails, stop the data in main system disk from being backed up to nonvolatile memory, and in the case where the data in nonvolatile memory is all backed up to standby system disk, replace main system disk with standby system disk, the data in standby system disk is backed up to nonvolatile memory, and the data in nonvolatile memory is backed up to main system disk. Through the embodiment of the present application, the data in the system disk of server is backed up using nonvolatile memory, and data can be recovered through standby system disk when system disk or system cannot be automatically repaired.

Aspect of the invention relate to apparatuses and methods for backup power systems. The apparatus comprises a communications enclosure. The communications enclosure comprises a generator module. The generator module comprises a generator and a rack mount.

The present invention provides a code processing system and a code processing method. [Solution] A code processing system comprising an active system and a switch configured to switch between the active system and a standby system, wherein each of the active system and the standby system is configured to generate a multi-digit identification code when it receives a code request from a user terminal, the identification code includes a system code unique to the system that generates the identification code in a specified number of digits, the identification code generated by the active system is the active system code, the identification code generated by the standby system is the standby system code, the switch is configured to switch the system that generates the identification code based on error information in the active system, and the code processing system is configured to transmit either the active system code or the standby system code to the user terminal.

An intelligent control unit for controlling a portable computer, which is connected between a power supply and the computer and includes a power supply connection between the power supply and the computer, a USB communication interface for executing scripts, a wireless communication interface via Wi-Fi and / or Bluetooth, a time recording unit for logging operating times, a temperature sensor unit for monitoring the system temperature, and a mechanical actuation unit for physically actuating the on / off switch of the computer, wherein the control unit is configured to turn the computer on or off automatically or remotely.

The invention provides a flow switching method, system and device for a warm standby system, a medium and a product, and the method comprises the steps: responding to fault recovery of a first user plane device, sending first user information and first routing information configured in a second user plane device to the first user plane device, the first user information comprising user information of a first user, and the first routing information comprising user information of a second user; the first route information comprises route information of a first route corresponding to the first user, the priority of the first route in the first user plane equipment is a first priority, the priority of the first route in the second user plane equipment is a second priority, the second priority is higher than the first priority, and the first user belongs to the first user plane equipment; and in response to completion of configuration of the first user information and the first routing information by the first user plane equipment, notifying the second user plane equipment to delete the first user information and the first routing information. According to the embodiment of the invention, after the fault equipment returns to normal, the flow is ensured to be continuous in the user back-switching process, and the internet surfing experience of the user is improved.

Provided are a Hot Backup system and method, and an electronic device and a storage medium. The system includes: an accelerator card, correspondingly connected to a primary server on a one-to-one basis, connected to a standby server in a sharing manner, and configured to acquire operating state information, operation log information, memory information, and configuration information of the primary server, in a case where determining, according to the operating state information, that the primary server has crashed, acquire data to be processed that is to be transmitted to the primary server, and transmit the operation log information, the memory information, the configuration information, and the data to be processed to the standby server; and the standby server, configured to generate, through simulation, a virtual application environment of the primary server and execute an application service of the primary server.

Traditional hot standby and cold standby systems have problems such as high operating costs, high energy consumption, or delayed disaster recovery. While these systems provide server redundancy, they present challenges from an economic and efficiency standpoint. [Solution] The centralized standby system of the present invention is compatible with on-premises and cloud environments and reduces operating costs and energy consumption by efficiently managing multiple systems centrally. The system includes a mechanism for a backup unit to start operating immediately in the event of a failure, minimizing overall system downtime. Furthermore, by utilizing the host OS, container orchestration tools, and container engine to monitor the system and collect and analyze data, the system improves responsiveness in the event of a failure.

The invention relates to the technical field of smart televisions, in particular to a smart television wireless communication control system and a linkage control method, and the system comprises a dual-system collaborative architecture which comprises a high-performance main system and a low-power-consumption guarding system, and the low-power-consumption guarding system is powered by an independent power supply when a television is in a standby state; the linkage module is used for maintaining a multi-protocol central function and executing a preset linkage rule; the multi-protocol fusion layer comprises a protocol extension module interface, a unified equipment description library and a virtual gateway; each unit in the multifunctional integrated wireless communication module is connected with the dual-system collaborative architecture through the input / output interface; the software logic module comprises a protocol conversion layer, a double-rule engine, an adaptive adjustment algorithm and a cross-protocol scene editor; the problems that an existing smart home center is poor in protocol compatibility, low in scene intelligence, high in energy consumption and insufficient in expansibility are solved, and all-weather, low-power-consumption and high-adaptability intelligent service with a smart television as a multi-protocol center is achieved.

The embodiment of the invention provides an annunciator control device and method, electronic equipment and a medium. The annunciator control device comprises a main control board card, at least one signal board card, a communication board and a signal backboard, the main control board card comprises a main system board card and a standby system board card and is used for sending an annunciator configuration message to the signal board card; the signal board card is used for controlling a signal lamp of the target annunciator based on the annunciator configuration message; the signal board card comprises a signal front card and a signal rear card, the signal front card comprises two central processing units and is used for receiving a signal machine configuration message sent by the main control board card, and the signal rear card comprises an interlocking relay and two central processing units and is used for driving power access and signal lamp position access; the communication board is used for communication connection between the main control board card and the signal backboard; and the signal backboard is used for accessing the communication board and the signal board card. Therefore, various annunciators can be configured, adjusted and controlled by using one signal board card.

The present invention relates to the technical field of liquid-compressed air. Specifically disclosed is a liquid-compressed air backup system, comprising: a first calculation module, used for calculating energy consumption influence degrees of all device operating parameters of each type of device at the current moment; a second calculation module, used for calculating yield influence degrees of all the device operating parameters of each type of device at the current moment; a construction module, used for obtaining regulation values of all the device operating parameters of each type of device at the current moment on the basis of the energy consumption influence degrees and the yield influence degrees of all the device operating parameters of each type of device at the current moment; and a control module, used for obtaining an optimal liquid-compressed air backup result on the basis of the regulation values of all the device operating parameters of all types of devices at the current moment. In the present invention, two aspects of energy consumption and liquid nitrogen yield are comprehensively considered, so that all the devices of the liquid-compressed air backup system are accurately regulated, thereby achieving an optimal liquid-compressed air backup result.

This invention discloses an SCR denitrification system and method for float glass melting furnace flue gas, relating to the field of flue gas denitrification technology. The system includes an active flue gas treatment unit, a standby flue gas treatment unit, an air heating and insulation unit, a flue gas switching unit, a hot air recovery unit, and a flue gas recirculation unit. The air heating and insulation unit provides daily insulation for the standby high-temperature electrostatic precipitator and the standby SCR denitrification reactor, maintaining the standby equipment above 200°C. The flue gas switching unit enables rapid switching between the active and standby systems in case of failure. The hot air recovery unit sends the residual heat from the insulation to the plant heating system. The flue gas recirculation unit ensures normal recirculation of the denitrified flue gas. This invention can significantly shorten the standby system's heating and commissioning time, reduce the direct emission of untreated flue gas, and achieve waste heat recovery and utilization. It features energy saving and emission reduction, simple operation, and low modification costs, and is suitable for SCR denitrification of float glass melting furnace flue gas.

This application relates to the field of new energy vehicle charging infrastructure technology, and provides an OTA upgrade method, device, and storage medium for intelligent charging equipment. The method includes: acquiring upgrade task instructions for a charging pile cluster within a target area and real-time status parameters of each charging pile; dynamically generating and optimizing an upgrade execution queue; issuing corresponding upgrade differential packages to the charging equipment to be upgraded, which are then received and stored in a backup system partition; performing pre-upgrade compatibility and security checks before activating the upgrade differential packages; upon successful verification, loading and pre-running the new version of the upgrade differential package in the backup system partition, maintaining the current charging service in the main system partition; switching system control from the main system partition to the backup system partition when the pre-run test passes and preset switching conditions are met; and clearing the old version program resources in the main system partition after confirming stable operation of the new version program, thus completing the upgrade.

The operation of the elevator will continue without interruption, even when the control entity for the group management of the elevator is switched. [Solution] The backup system comprises a second group management control device that can replace the first group management control device, and a transmission processing unit. The second group management control device is assigned a different IP address than the first group management control device. The transmission processing unit sends a request to assign a platform call for that user to either the first group management control device or the second group management control device each time a user registers a destination floor at the destination floor registration device. When the first group management control device is operating normally, the group management function of the second group management control device, which assigns platform calls in response to requests from the destination floor registration device, is set to "disabled". Then, when the first group management control device becomes unable to operate normally, the second group management control device switches its own group management function setting from "disabled" to "enabled".

This disclosure provides a control method and train for a clustered hot standby redundancy system, which can be applied to the fields of vehicle control technology and communication. The control method includes: determining the priority of the target system to which the target device belongs or the command operation status of the target device in the clustered hot standby redundancy system according to the device attributes of the target device. The target system includes multiple devices, and the clustered hot standby redundancy system includes multiple systems. The multiple systems are classified into a master system and a hot standby system. The master system is used to manage the communication data of the train, and the hot standby system is used to back up the communication data. The master and standby systems are switched according to the priority or command operation status.

The invention discloses a computer interlocking target controller based on a hierarchical distributed network architecture, and relates to the technical field of computer interlocking, the computer interlocking target controller comprises a function module on the bottom layer, a plurality of hierarchical communication units on the middle layer and a central communication unit on the top layer, each hierarchical communication unit is arranged in a physically independent machine cage, and each hierarchical communication unit is connected with the corresponding machine cage. Each hierarchical communication unit comprises two machine cage communication expansion boards, the even number of function modules of the same type are all located in the machine cages, one machine cage forms a hierarchical unit, every two function modules in the even number of function modules are mutually main and standby, and the number of the function modules is larger than the number of the function modules. And the two machine cage communication expansion boards are mutually main and standby to jointly form local nodes of the network A and the network B. When the two machine cage communication expansion boards of the main system and the standby system in a certain hierarchy unit have extreme faults, the physical influence and the logic influence of the faults can still be strictly limited in the hierarchy unit, and normal operation of the central communication unit and all other hierarchy units is not influenced at all.

The invention discloses a redundant PLC system for controlling a special crane and a control method, and belongs to the technical field of industrial automation control, the redundant PLC system comprises a redundant power supply module, a PLC control module, a redundant communication module, an input and output module, a safety monitoring module and an execution mechanism, the PLC control module comprises a master PLC control unit and a slave PLC control unit, through the arrangement of the slave PLC control unit, the risk of single-point failure in the use process of the crane is reduced, when the master PLC control unit breaks down, the control right is taken over in time, so that the continuous and stable operation of the crane is ensured, the PLC system is used as a standby system, the system architecture, the control strategy, the operation complexity and the application field are the same, and the control cost is reduced. The reaction time can be effectively shortened, so that the downtime of the crane is reduced, after the standby system is started, the operation logic is not changed, and an operator can control the crane to work and monitor the working state of the crane easily.

A communication apparatus in a communication system that includes a plurality of communication apparatuses of an active system and a standby communication apparatus of a standby system includes: a communicator configured to transmit and receive communication apparatus information including information related to the communication apparatus to and from the other communication apparatuses; and a controller configured to compare a degree of impact on communication of the communication apparatus with a degree of impact on communication of each of the other communication apparatuses based on the communication apparatus information, and to start, when the degree of impact of the communication apparatus is determined to be high, synchronization processing that transmits synchronization data to be used in operation to the standby communication apparatus.