194results about How to "Avoid unavailable" patented technology

A keyless entry system including multiple portable devices and an in-vehicle device controlling smart lock and smart unlock of a vehicle door is disclosed. The in-vehicle device includes an vehicle-cabin-inside portable determination section, which when locking the vehicle door by the auto-lock function, determines whether or not there is the portable device located inside the vehicle cabin, and a disabled state release section that releases the disabled states of all of the portable devices when the vehicle-cabin-inside portable determination section determines that there is no portable device located inside the vehicle cabin.

The invention discloses a method and a device for realizing wireless firmware update, aiming at solving the problem that a user terminal can not be used because of the failed updating of the firmware to be updated in the prior art. The method comprises the following steps: receiving the update notice sent by a device management server; obtaining a differential packetization corresponding to the firmware to be updated from the device management server according to the hardware update notice; and adopting a set update mode, generating an update edition of the hardware to be updated in a storage space allocated for hardware update treatment according to the differential packetization, and storing the update edition in the storage space. By adopting the technical scheme, the invention improves the update effectiveness of the hardware and the backoff efficiency of an update zone.

When creating new service, the invention generates combined abstract service logic in order to implement reuse in service level. The invention also discloses the service execution system and method (SESM). When executing abstract service logic, SESM converts abstract service logic to specific service logic, and accesses corresponding service based on specific service logic. The invention also discloses the system and method for mapping abstract services. The invention raises efficiency for developing services as well as develops and deploys services on network smartly, simply, and rapidly so as to guarantee running services on network normally and effectively.

The embodiment of the invention discloses a method and a system for out-of-band upgrading. The method for out-of-band upgrading comprises the following steps: switching a firmware chip onto a firmware upgrading controller through an isolation switching circuit; and upgrading the firmware chip through the firmware upgrading controller. The out-of-band upgrading system comprises a south bridge chip, the firmware chip, the isolation switching circuit and the firmware upgrading controller, wherein the isolation switching circuit is used for switching the firmware chip onto the firmware upgrading controller; and the firmware upgrading controller is used for upgrading the firmware chip. The embodiment of the invention provides quick out-of-band upgrading channel for the firmware chip, and can complete upgrading of the firmware chip without entering an operation system, facilitate upgrading of the firmware chip, and improve the reliability of the firmware chip.

The invention relates to a method, device and system for controlling a device. The method comprises the steps of establishing connection with a controlled device; judging whether an application program of the controlled device is locally stored; obtaining the application program of the controlled device from the outside if the application program of the controlled device is not locally stored. After connection with the controlled device is established, the application program of the controlled device can be automatically obtained, so that the situation that the controlled device cannot be used due to lock of the application program is avoided.

Disclosed is a system, method, and program for limiting input / output (I / O) requests from an application program to a storage device to facilitate the processing of data in memory. A determination is made as to whether an amount of a set of data in memory exceeds at least one threshold. At least one of multiple paths to the storage device is indicated as blocked to I / O requests from the application program. Each indicated blocked path is available for processing the set of data in memory. An I / O request from the application program is received and a determination is made as to whether the received I / O request intends to access the storage device using one indicated blocked path. The I / O request is denied access to the storage device via the blocked path.

The invention relates to a mixing method in multi-MCU video conversation system. Wherein, (1), all MCU register to gatekeeper, while each MCU has one-to-one connection with other MCU and each MCU maintains one connection list with other MCU and one local client list with mixing demand; (2), MCU based on local mixing client list linearly layers the voice data sent from local client, and codes and sends result to each opposite MCU; (3), MCU reduces the sent voice data from mixed result to be mixed with the decoded voice from opposite MCU, to be coded and sent to target client. The invention can reduce the transmission jump number of voice data and avoid single-point accidence of main MCU, with high reliability.

The invention discloses a PaaS cloud implementation method based on containers. The method comprises following steps: saving configuration information of all containers and providing disposition; a deployment strategy ensuring that multiple containers under the same APP are scattered across different hosts; performing management on the host and containers and one physical cluster being corresponding to multiple projects, etc.. Therefore, the introduction of containers into the cloud computing basic resource delivery to provide PaaS layer services is realized, reducing waste of resources caused by the traditional PaaS products using virtual machines, increasing disposition efficiency and reducing exploitation and test period for users; the method is a lightweight VM solution scheme based on process containers, realizing a resource isolation and quota of an application program grade; Compared with the traditional cloud infrastructure system implementation, the container-based cloud service system has lower cost of overall ownership, higher resource utilization and is more stable and reliable, which further enhances the virtualization efficiency, improves resource utilization, accelerates enterprise devops process, and provides fast and effective support services for applications.

The invention discloses a split mounting type prefabricated reinforced concrete construction temporary road, which comprises a box type member, wherein a reinforced concrete box type member is arranged in the box type member; reinforcement of the reinforced concrete box type member is welded and fixed to the box type member; four angular points of the reinforced concrete box type member are provided with omega-shaped lifting rings respectively; and water discharge holes are also formed at the omega-shaped lifting rings. The split mounting type prefabricated reinforced concrete construction temporary road has the beneficial effects that: through development of the split mounting type prefabricated reinforced concrete construction temporary road, a reinforcement welding net, angle steel and concrete are formed into a whole, so that the performances of the steel and the concrete are fully utilized, particularly, the periphery of the construction temporary road is protected by using the angle steel, and the unavailability due to corner stripping caused by collision or other reasons during use of the construction temporary road is avoided; and a temporary road module is manufactured by using a shaped steel mould, and meanwhile, a special formwork and a strengthening system are matched, so that the construction quality of the corner part and the entire temporary road is effectively guaranteed.

The invention discloses a method for determining a preset routing, which comprises the following steps that: after a preset routing service request of a PCC (path calculation client) is received, a PCE (path calculation element) carries out routing calculation and stores a calculated preset routing and the PPC is informed of the preset routing; and when a network state is changed or a configured preset routing calculative strategy is triggered, the PCE carries out routing calculation again according to the constraint conditions of a PCC request and replaces the stored preset routing with a novelly calculated preset routing and the PPC is informed of the novelly calculated preset routing. The invention also discloses a device for implementing the method. In the invention, the PCE can inform the PPC of the updated preset routing, so that unavailability of the preset routing is avoided. In the invention, dynamic updating of the routing can also be realized, so that network planing and management are more convenient.

The invention belongs to the communication technology field, and especially relates to a method of designing an OFDM-TDCS waveform with low PAPR (Peak-to-Average Power Ratio) in the field of cognitive radio technology. According to the method, the reasonable design of a pilot frequency pattern prevents all pilot frequencies from being not available due to pilot frequency shifts; through optimization of a pilot frequency sequence, a PAPR value of a signal is reduced, and distortion of the pilot frequency sequence caused by PAPR control is minimized; and the PAPR and outband attenuation of the signal can both meet the requirements of a cognitive radio system by combining noise shaping amplitude limit with outband radiation control.

The invention relates to a large-scale interconnection cluster method for a vehicle-mounted terminal. The large-scale interconnection cluster method is characterized by comprising the following steps:(1) building a netty server cluster, wherein the netty server cluster comprises a plurality of netty service assemblies and two sets of netty load balancing middleware; (2) performing, by one set ofnetty load balancing middleware, load balancing on the netty service assemblies to receive requests sent by a plurality of sets of vehicle-mounted terminal equipment in real time, sending the requeststo the surviving netty service assemblies, and performing, by the other set of netty load balancing middleware, real-time monitoring in a background; (3) sending, by each surviving netty service assembly, the requests to a service provider, and distributing, by the service provider, all the requests to corresponding microservices; (4) sending, by the microservices, business data requests to a database; and (5) reading or writing, by the database, the business data requests by adopting a double master library and double slave library mode, and feeding a processing result back to the corresponding vehicle-mounted terminal equipment. The large-scale interconnection cluster method can be widely applied to the technical field of the Internet of vehicles.

The present invention provides a data storage method, apparatus and device. The method comprises that a cache management module receives a write command which is transmitted from an upper layer and used for writing data into a cache, wherein the cache is a cache corresponding to a redundant array of independent disks (Raid); the cache management module determines whether the write command can be issued according to stripe status of the Raid; and if the write command cannot be issued, the cache management module transmits write failure error information to the upper layer. According to the method, after the cache management module receives the write command, the cache management module determines whether the write command can be issued according to the stripe status of the Raid, and feeds back the error cache error information to the upper layer if the write command cannot be issued, and the problem that the entire Raid is disabled due to errors of a few of stripes of the Raid is avoided. Due to the fact that the cache management module determines whether the write command can be issued strictly according to the status of each stripe, the write cache corresponding to the Raid cannot be frozen and generation of a lot of disabled write cache blocks can be prevented, and use ratio of the entire write cache is increased.

The embodiment of the invention discloses a management method for cloud storage equipment. The method comprises the following steps: acquiring the amounts of data stored in a plurality of pieces of storage equipment under a cloud platform within preset time periods, available space capacities of the plurality of pieces of storage equipment and a data amount value of data to be stored; calculating space utilization ratios of the plurality of pieces of storage equipment to determine a piece of storage equipment with a maximum space utilization ratio in the current cloud platform; and then storing the data to be stored in the determined storage equipment. In the management method, the data to be stored are stored in the storage equipment with the maximum space utilization ratio in the current cloud platform, so that the plurality of pieces of storage equipment under the cloud platform are utilized effectively; the utilization ratios of the plurality of pieces of storage equipment are increased; the balance among data stored in the plurality of pieces of storage equipment in the cloud platform is ensured; the stability and reliability of a whole storage system are further enhanced; and normal running of the cloud platform is ensured. Moreover, the embodiment of the invention also provides a corresponding implementation device. Through the implementation device, the method further has higher practicability. The device has corresponding advantages.

The related multistage distributed network system comprises: a full SP / CP business server, a central business platform connected to last device to provide business access point for mobile terminal, control the access for user and server, distribute business content, position provider and generate charge menu; multiple boundary business platforms connected to last platform to receive and provide business content, and a WAP gateway connected to last two platforms to access user and provide business content to mobile terminal.

The invention provides a method, device and equipment for controlling an interface and a storage medium, which can avoid the problem that the interface is unavailable under emergent condition and timely notify development personnel, and improve the availability of the interface and the user experience. The method includes the following steps: preserving interface identification of each interface and thresholds of performance indexes corresponding to the interface identification; obtaining performance index data of a to-be-monitored interface every set period, determining whether the performance index data is greater than the threshold of the performance index corresponding to the interface identification of the to-be-monitored interface, and if the performance index data is greater than the threshold, adding 1 to an index counter corresponding to the performance index and outputting warning information, otherwise, clearing the index counter corresponding to the performance index; and determining whether the value of the index counter is more than or equal to a first set value, and if the value of the index counter is more than or equal to the first set value, calling a current limiting interface to limit the to-be-monitored interface and outputting warning information, otherwise, re-determining whether the value of the index counter is more than or equal to the first set value.

The invention discloses a service processing method and device, equipment and a computer readable storage medium. The service processing method comprises the steps of setting a concurrent upper limitvalue for each channel of multiple channels corresponding to a server, and allocating resources of the server to each channel according to the concurrent upper limit value; determining the current service request number of each channel; judging whether the current service request number of each channel reaches the concurrent upper limit value or not, if so, refusing the latest service request, andif not, processing the latest service request. The scheme of the invention solves a problem that the occupation of server resources of other channels when service requests of one channel increases sharply results in the unavailability of other channels, thereby achieving the technical effects that each channel is ensured to be allocated with corresponding resources and business services of each channel are not interrupted.

The invention discloses a remote video lesson giving method supporting mobile terminal off-line play. The method comprises the following steps: 1) a server generates a video file list for video files and establishes a student learning time database; 2) the server generates a mobile terminal video play program bound with the video file list and student information, and distributes the mobile terminal video play program and the video file to a mobile terminal; 3) the mobile terminal plays the video file by using the mobile terminal video play program and locally records the video play time; and 4) the mobile terminal transmits the locally recorded video play time and student information to the server when connecting to the Internet, and the server accumulates the received video play time to the student learning time database corresponding to the student information. The method disclosed by the invention has the advantages of supporting off-line time keeping, being simple and reliable for time keeping and being simple and convenient to use.

The invention relates to a data secrete sharing system and method based on a core network. The method comprises the steps of hiding target information to be sent in shelter information at the information publish end and publishing the shelter information into specific network application. When an innocent user downloads resources in the specific network application, downloaded information passes through a forwarding router, and the forwarding router can recognize whether the downloaded information is the shelter information. If the downloaded information is the shelter information, the shelter information is copied, prime information is sent to the innocent user, and the copied shelter information can be sent to the real information receiving end through a background server. The information publishing end and the router participate in a hidden handshake process, and the information receiving end doesn't participate in the process. The method improves the covert communication efficiency, improves opponent detection difficulty and improves information transmission hiddenness by hiding the target information to be sent in the shelter information.

The invention discloses a method and device for guaranteeing reliable operation for Ethernet ring. Main node is restarted by following steps: main node of Ethernet ring network acquires network state before restarting and network configuration information after restarting; the main node blocks the data relay function of control VLAN of self ring port and protection service VLAN, adds the ring port in control VLAN and protection service VLAN; the ring port comprises main port and slave port; data relay function is opened for control VLAN of ring port; the link state is detected for validating entirety; protection service VLAN data relay function of ring port or main port is opened according to the detection result; other node is notified to update MAC address list. The inventive method effectively guarantees normal and reliable operation of Ethernet Ring network.

Embodiments of the invention disclose a method and a device for processing superblocks based on NAND flash. The method comprises: detecting whether bad blocks exist in the superblocks; when bad blocksare detected, according to a preset rule, obtaining a target sporadic data block from a sporadic data block pool, using the target sporadic data block to replace the bad block; recording the block number of the superblock, information of a NAND flash unit to which the bad block belongs to, and the block number of the target sporadic data block, to manage the replaced superblock. The embodiments solve a problem in the prior art that available storage space is rapidly reduced in a storage device caused by the number of bad blocks in the superblock is increased. Through using the target sporadicdata blocks to replace the bad blocks in the superblock, a new superblock is obtained, excessive bad blocks accumulated in the superblock are prevented, so that storage space is saved, effective utilization of the storage space in the storage device is improved, and the storage device works in higher efficiency.

The embodiment of the invention provides a data migration method and device, an electronic device and a readable storage medium. The method comprises the steps that current target non-transaction tables to be migrated are obtained from non-transaction tables included in a source database, read locks are added for the target non-transaction tables, the target non-transaction tables are migrated toa target database, the read locks of the target non-transaction tables are released, first log records corresponding to the target non-transaction tables are obtained after migration of the target non-transaction tables is completed, and modification operation is conducted on the target non-transaction tables in the target database according to the first log records. By applying the embodiment, the read locks are added only for the current target non-transaction tables to be migrated and are released after the migration of the target non-transaction tables is completed, and the phenomenon canbe avoided that source databases are not available for a long time.

The invention provides a business index query method and device, equipment and a storage medium, and relates to the technical field of data processing. The method comprises the steps: acquiring a service index query request initiated by a user based on a client of a service system, wherein the service index query request is used for querying a service index of a target service state under a target service type and comprises a to-be-queried service index; calling basic index data corresponding to the business index query request from a database of the task processing system, wherein a basic index corresponding to the basic index data is used for representing a basic element forming the business index to be queried; and determining service index data corresponding to the to-be-queried service index according to the basic index data. According to the scheme, the reliability of the service index query system can be effectively improved, so that the accuracy of service index query is improved under the condition that service requirements are variable.

The invention discloses an electric locking device, a railway vehicle door and a working method. The electric locking device comprises a planet reducing separation and reunion assembly, an inner swingarm mechanism, a spring bolt, a lock body and a lock catch. The planet reducing separation and reunion assembly comprises a ratchet, a planet wheel and a sun wheel. The planet wheel is engaged to theratchet and the sun wheel, the sun wheel is connected to a power device for driving the sun wheel to rotate, the planet wheel is connected to the inner swing arm mechanism through a planet carrier, the ratchet is also connected to a ratchet braking device, the ratchet braking device comprises a ratchet, the spring bolt is connected to the lock body, an elastic device which makes the spring bolt be far away from the lock catch is also arranged between the spring bolt and the lock body, and a one-way device which makes the sun wheel only rotate toward a locking direction of the spring bolt is also arranged between the sun wheel and the lock body. High speed small torque power of a reducing motor is converted into low speed large torque power through the reducing device to drive the spring bolt to pressurize the lock catch mounted to a door leaf, so that the pressurizing process of the door leaf and a door frame is finished. In the pressurizing process, the reducing motor is powered offfor protecting the motor.

The invention provides a method of software on-line updating that comprises: the updating communication program is solidified in the microprocessor; the microprocessor obtains updating executive program from external device with the solidified updating communication program, and obtains the target user program which is used in updating from external device by executing said updating executive program, the obtained target user program is written into memory stack. Besides, the invention also provides a software on-line updating system that comprises external device, microprocessor and memory stack, thereinto, the updating executive program which is used to execute software on-line updating and the target user program which is used to update are stored in external device; microprocessor in which updating communication program is solidified to execute said updating communication program and obtain said updating executive program, obtain target user program which is used to update from the external device by executing the updating executive program and written it in memory stack. The invention can increase the reliability of updating and provide more convenience for user.

The invention discloses a configuration file operation processing method which is used for a ConfigParser module of Python and comprises: receiving a configuration file to be processed, calling a first format replacement function to carry out a first format replacement operation on the configuration file, and replacing a colon in name in parameters in the configuration file with a specific character; carrying out a corresponding file processing operation on the configuration file subjected to first format replacement, and after completing the operation, writing the configuration file back into a system to carry out saving processing; calling a second format replacement function to carry out a second format replacement operation on the saved configuration file, and replacing the specific character in the name in the parameters in the configuration file with a colon. According to the configuration file operation processing method disclosed by the invention, a case of generating the problem that after the configuration file is written back, the colon : in the name in the parameters is changed into an equal sign = is avoided, so that a case of unavailability of a specific configuration item of the configuration file, which is caused by chaos of a format of the configuration file, is avoided. The invention further discloses a configuration file operation processing device. The configuration file operation processing device also has the advantages above, which are not repeated herein.

The invention relates to a digital identity management method and device, a storage medium and electronic equipment, and the method comprises the steps: receiving a digital identity building request transmitted by a user side, and enabling the digital identity building request to comprise a plurality of groups of asymmetric secret key pair information; under the condition that it is determined that the digital identity creation request is a legal request, using the multiple sets of asymmetric key pair information as digital identity content of the user side to be stored in a block chain system; generating a digital identity identifier according to all data included in the digital identity creation request, and establishing a corresponding relationship between the digital identity identifier and the digital identity content; and sending the digital identity identifier to the user side. The digital identity created by the method can correspond to a plurality of asymmetric key pairs, anda user can verify the digital identity of the user through the plurality of asymmetric key pairs, so that the problem that the digital identity is unavailable or out of control under the condition that a unique key pair corresponding to the digital identity is lost or leaked is avoided.

The embodiment of the invention discloses an electronic certificate processing method and device, equipment, a platform and a medium, and relates to the technical field of block chains, and the methodcomprises the steps: obtaining an electronic certificate processing transaction request, wherein the electronic certificate content in the electronic certificate processing transaction request is generated based on a preset certificate content template deployed in a block chain system; and executing the electronic certificate processing transaction request to generate electronic certificate processing transaction data, and adding the electronic certificate processing transaction data to the block, the processing operation information corresponding to the electronic certificate processing transaction request being added to a life cycle record field in a preset certificate content template. According to the embodiment of the invention, effective supervision processing of the electronic certificate data can be realized, so that data storage and interaction are more convenient and reliable.

The invention relates to the technical field of security and protection, and provides a human face and fingerprint recognition access control system. The human face and fingerprint recognition accesscontrol system includes a human face recognition trigger module, a human face image acquisition module, a human face image recognition module, a resident information server, a fingerprint recognitiontrigger module, a fingerprint acquisition module, a fingerprint recognition module, a controller and an access control module, the human face recognition trigger module, the human face image acquisition module and the human face image recognition module are connected successively and finally connected with the controller, the fingerprint recognition trigger module, the fingerprint acquisition module and the fingerprint recognition module are connected successively and finally connected with the controller, the fingerprint recognition module and the human face image recognition module are bothconnected with the same resident information server, and the controller controls the access control module. According to the human face and fingerprint recognition access control system, an entrance guard is controlled through the fingerprint and human face recognition system, the entrance guard can only be opened after double verification, safety of the entrance guard is effectively improved, meanwhile, the condition of the entrance guard cannot be opened due to losing of traditional integrated circuit cards or entrance guard password forgetting is avoided, and use of users is convenient.

The invention relates to a Kafka message uniqueness method based on Redis. Redis is utilized to solve the problem of message repeated consumption in Kafka. The method comprises the steps that: Kafka receives message data; a distributed vote algorithm is adopted to filter the received message data; business logic processing is carried out on the message data after the filtering; and whether the business logic processing is wrong is judged, if yes, the message data wrong in business logic processing is deleted, and if not, the process is ended normally. Compared with the prior art, the Kafka message uniqueness method has the advantages that the message repeated consumption is avoided, the handling capacity is high, and the reliability is high.