31results about How to "Improve system availability" patented technology

Bookbinding-unit adhesive application device that does not interrupt the unit to replenish adhesive when consecutively applying adhesive to sheet bundles, and can shorten the time the system is interrupted. An adhesive storage container (10) that stores adhesive; an applicator roller (30) rotatably disposed in the adhesive storage container (10); an adhesive supplier (55) that refills hot-melt adhesive to the adhesive storage container (10); heater (20) that melts the adhesive in the adhesive storage container (10); and refill volume controller (62) that controls the amount of refill adhesive of the adhesive supplier (55) are provided. The refill volume controller (61) is configured to set the adhesive refill volume based on information from adhesive detector (22a) disposed in the adhesive storage container (10); and remaining sheets determiner (62) that determines the number of sheets to coat for the sheet bundles to be coated with adhesive.

The invention discloses a volume information management method in a distributed block storage system, and the method comprises the following steps: S1, carrying out the fragmentation of storage nodesstored in a distributed block, obtaining slices, and configuring a copy for each slice; S2, uniformly distributing all slices and copies thereof on each storage node, wherein a plurality of slices andcopies form a volume; S3, writing the volume data and the volume information into a volume, wherein the volume information comprises a version number, a name, creation time, capacity and a type of the volume; and S4, the volume information server periodically polls all the storage nodes, and summarizes polling results to obtain latest volume information. The invention further comprises a distributed block storage system, volume information and volume data are stored in the storage nodes together, the reliability of the volume data and the volume information is ensured by establishing slice copies, and the volume information server periodically polls all the storage nodes, so that the reliability of the volume data and the volume information is ensured. The problems of insufficient fault-tolerant capability and low data reliability in volume information management of the distributed storage system are avoided.

The fault processing device in the DC power system (10) includes a first fault processing unit (18), the first fault processing unit (18) is configured to detect The first power line (L1) interconnecting the first converter (CONV1) in the first converter station (12) with the second converter (CONV2) in the second converter station (14) by the separating device (LS2) In the event of a fault (F), operate the first line separation device (LS1) and the second line separation device (LS2) to disconnect the first power line (L1) from the DC power system, and operate the first converter station (12) at least one further line separation device (LS3) for isolating the DC power supply system (10), while the power line (L3) between the second converter station (14) and the other converter stations (16) is running, Check if the fault (F) has been cleared, if the fault has been cleared, operate the first line splitting device (LS1) and the second line splitting device (LS2) to reconnect the first power line (L1) and at least one other line splitting device (LS7 ) to reconnect the first converter station to the DC power system (10), otherwise disconnect the first power line and connect the first converter station (12) to the DC power system in case of a permanent failure.

The invention discloses a data encryption and decryption modulating method based on multi-card redundancy check, comprising the steps: pre-maintaining an encryption card state list, and maintaining a port state list for each encryption card, wherein states of the encryption cards include normality, failure and saturation, and port states include in-use state and idle state; initiating a waiting queue for storing encryption and decryption tasks; when a current encryption-decryption task is received, allocating the current encryption-decryption task to two target ports, not in use, of two encryption cards in normal use in order to specified encryption or decryption, determining that the current encryption-decryption task is successfully executed if output is uniform, and updating and maintaining the encryption card state list and the port state list during calling. Data error, calling error and other situations of the encryption card are considered, redundancy is established in the multi-card environment by a specific scheduling algorithm, multi-encryption-card parallel performance and system availability are maximally improved, and data error rate is decreased.

The invention relates to a method for preventing safety-critical activation of a clutch in a hybrid module of a motor vehicle power train, the hybrid module being effective between an internal combustion engine and a transmission and comprising an electric drive, a clutch and a freewheel, and the clutch being used to start the internal combustion engine by transmitting torque, which is supplied by the electric drive or the power train, as the clutch frictionally engages with the electric drive or the power train for purely electric driving. In a method in which the error tolerances of the entire system can be taken into consideration, a safety gap of the disconnected clutch that has be be maintained is adjusted in accordance with the ambient conditions around the motor vehicle and / or the boundary conditions of the vehicle.

The present invention is applicable to the field of computer power management, and provides a power control method and device. The power control method includes: when the basic input and output system BIOS is upgraded to a unified extensible firmware interface UEFI, in the interrupt vector table, obtain The address pointed to by the interrupt vector int15; in the memory area corresponding to the address pointed to by the int15, the APM shutdown handler is embedded; when the system is shut down, in the interrupt vector table, the int15 is read and executed; by executing the said int15, jump to the address pointed to by said int15, and execute the embedded APM shutdown handler. The invention enables the system to use the ACPI power management module and also support APM commands. When the APM command responds, the APM command is realized by controlling the ACPI, and its beneficial effect lies in two aspects. On the one hand, it improves the response efficiency and system availability, and on the other hand, it satisfies the control requirements of the computer on the power supply.

The invention provides an abnormal event intelligent detection system and method based on a security micro-service architecture, and a medium. The system comprises an acquisition module which is used for acquiring a video stream of a supervision place; a distribution module which is used for carrying out data distribution on the acquired video streams to realize load balancing; a detection module which is used for detecting and analyzing the screened abnormal video stream of the optical stream according to a preset condition, outputting a result to the WEB module and storing the result in a database; an alarm module which is used for generating alarm information for the abnormal video stream according to the detection result, notifying an administrator and sending the alarm information to the WEB service module; and a WEB module which is used for displaying and interacting the detection result through a WEB. The system is deployed in a private network of a supervision place in a WEB form, the privacy and safety of data are guaranteed, deployment is achieved through a micro-service framework, and the processing efficiency and the availability of the system are improved.

The invention discloses a networked parking space control system and method. The system comprises a center system, a Zigbee coordinator, a plurality of parking space locks and hand-held terminals. The center system is connected with the Zigbee coordinator through the internet; the Zigbee coordinator is connected with the parking space locks; the parking space locks are connected through Zigbee network communication. A networked parking space control APP is installed in each hand-held terminal, and the hand-held terminals are in communication connection with the center system and the parking space locks. The center system is used for acquiring real-time states of the parking space locks, judging whether the parking space locks are in an unlocked state or a locked state or an offline state and determining the current space of each parking space according to the real-time states of the parking space locks, and therefore state information of the parking spaces in a whole parking area is acquired. The hand-held terminals achieve parking space management, inquiring, booking, parking space lock remote control opening and closing and self-service paying operation through the installed internet parking space control APPs. According to the networked parking space control system and method, parking space state collection and automatic parking space control are achieved.