3002 results about "Failure causes" patented technology

A failure diagnosis method diagnoses failure occurring in an image forming apparatus. The failure causes defect in an image output from the image forming apparatus. The failure diagnosis method includes acquiring operation state signals indicating operation states during the image forming apparatus operating in different operation conditions, respectively; and analyzing the acquired operation state signals based on a failure probability model, which is obtained by modeling a cause of the failure occurring in the image forming apparatus with using probabilities, to execute failure diagnosis with respect to each of constituent members constituting the image forming apparatus.

The invention discloses a switching optimization method, equipment and a system. The method comprise: obtaining an event recorded by user equipment (UE) in the switching process, a working frequency point of a cell relevant to the event, physical layer identification and a measured value; according to the event, the working frequency point of the cell relevant to the event, the physical layer identification and the measured value, determining switch failure caused by improper switching parameter setting and the switching parameter required to be adjusted; and sending the switching parameter required to be adjusted to the cell relevant to switching. The invention can optimize the setting of the switching parameter and reduces the probability of switching failure.

A printing apparatus has a cartridge attachment section including a terminal block having apparatus-side terminals disposed on its inclined surface, and a printing material supply pipe. Among the apparatus-side terminals, one apparatus-side ground terminal located on their center in Y direction is protruded to a greater height than the other plural apparatus-side terminals. A printing material cartridge has a circuit board, a printing material supply port, and a board mount portion that is inclined at an acute angle relative to a plane extended from an opening face of the printing material supply port. The circuit board is arranged such that one cartridge-side terminal on the circuit board comes into contact with the apparatus-side ground terminal prior to the other cartridge-side terminals in the process of attachment of the printing material cartridge to the cartridge attachment section. This arrangement enables the printing material cartridge to be attached in an adequate correct orientation or alignment to the printing apparatus. This arrangement also reduces the possibility of failure caused by application of a high voltage to the circuitry of the printing material cartridge.

The present invention relates to a silicon-on-insulator (SOI) substrate, a method for fabricating the SOI substrate and a SOI MOSFET using the SOI substrate to easily migrate the design applied to a conventional bulk silicon substrate to the SOI design and to remove a floating body effect. The SOI substrate includes a mono-silicon substrate, a buried oxide layer formed over the surface of the mono-silicon substrate, and a thin mono-silicon layer formed over the surface of the buried oxide layer. Conductive layers are formed at through holes of the buried oxide layer positioned between the predetermined regions of the thin layer and the substrate for body contacts. Therefore, additional layout spaces are not needed for body contacts and the constant body contact resistance can allow the conventional circuit design applied to the bulk silicon substrate to be migrated to the circuit design applied to the SOI substrate without any modifications. Also, a variety of operational failures caused by the floating effect can be eliminated in the SOI substrate. As a consequence, additional effort is not required for designing or verifying the circuit of the present invention, so as to make it possible to construct a highly efficient, but low power consuming system.

A multiple parallel pipeline digital processing apparatus has the capability to substitute a second pipeline for a first in the event that a failure is detected in the first pipeline. Preferably, a redundant pipeline is shared by multiple primary pipelines. Preferably, the pipelines are located physically adjacent one another in an array. A pipeline failure causes data to be shifted one position within the array of pipelines, to by-pass the failing pipeline, so that each pipeline has only two sources of data, a primary and an alternate. Preferably, selection logic controlling the selection between a primary and alternate source of pipeline data is integrated with other pipeline operand selection logic.

A support system includes a storage unit for storing a dependency graph in which components are expressed as nodes and relationships of components depending directly on each other are expressed with links, a log display unit for displaying, in response to detection of a failing component, a log of events occurring in the component, a selection unit for selecting, in response to an instruction by a user, a component that is adjacent to the failing component on the dependency graph, as a candidate component for a failure cause, and a display control unit for enabling the log display unit to additionally display a log of events occurring in the selected candidate component, wherein the selection unit further selects, in response to an instruction by a user, a component that is adjacent to the candidate component on the dependency graph as a new candidate component on condition that a log thereof has not yet been displayed.

The invention discloses a shift register, a gate electrode integrated drive circuit and a display device. The shift register is characterized by further comprising a compensation signal end, wherein the compensation signal end serves as a low level signal end in a scanning period, and serves as an up level signal end in a non-scanning period; the compensation signal end is connected with the first output end of a first pull-down unit and the second output end of a pull-down control unit; the first control end of the first pull-down unit is connected with a second clock signal end; the third control end of the pull-down control unit is connected with a first clock signal end. Therefore, forward drifting, generated in the scanning period, of the threshold voltage between the first control end and the first output end of the first pull-down unit, and negative drifting, generated in the non-scanning period, of the threshold voltage between the first control end and the first output end of the first pull-down unit cancel each other; likewise, forward drifting, generated in the scanning period, of the threshold voltage between the third control end and the second output end of the pull-down control unit, and negative drifting, generated in the non-scanning period, of the threshold voltage between the third control end and the second output end of the pull-down control unit cancel each other, that is, the problem that the shift register has high probability of failures caused by drifting of threshold voltage is solved.

Mobile Edge Computing (MEC) has the advantages of high bandwidth and low latency and has attracted extensive attention in the study of next generation of mobile networks by providing service environment and computing power at the edge of mobile networks. The invention discloses a vehicle task unloading and user mobility prediction and edge cache fusion policy in a vehicle networking environment. An MEC-based unloading framework is built. Tasks can be unloaded to an MEC server for vehicle-to-infrastructure (V2I) communications or can be unloaded to an adjacent vehicle for vehicle-to-vehicle (V2V) communications. Considering task backhaul failure caused by link disconnection caused by user mobility, the Kalman filter algorithm is used to predict link connection estimation, and a user can select a stable service node during task request and task collection. Cache decisions are made before the service node first returns a task to a request vehicle. Access latency, traffic load and networkcost can be significantly reduced through content cache.

Disclosed herein is a method for Wireless Local Area Network (WLAN) User Equipment (UE) selection of a Packet Data Gateway (PDG). When the WLAN UE fails to access, the PDG returns a message containing the failure cause value to the WLAN UE that has sent the request such that the WLAN UE could perform different operations according to the specific failure cause value in the message to select a PDG. For example, the WLAN UE may request DNS again to obtain the IP address of the PDG in a home network by parsing in connection with a requested service, or the WLAN UE may first subscribe to the service before re-performing the operation of selecting a PDG, or the WLAN UE may re-select a PDG with another parsed IP address and send a connection request thereto. As a result, the process of WLAN UE asking DNS to re-direct to the home network to select PDG is left out when possible, unnecessary signaling is avoided, and the network resources are saved.

A method for determining reliability and a remaining time before failure with statistical confidence for a motor system includes acquiring historical motor data in a computer system, obtaining operational parameter data, uploading the operational parameter data to the computer system, performing failure analysis, developing a causal network, and performing an integrated causal network and reliability analysis of the motor system. The historical motor data corresponds to the motor system. The operational parameter data is obtained from sensors at the motor system. The sensors include a tan delta sensor. The failure analysis is performed based on a composite of reliability probability distributions corresponding to predetermined sub-populations of historical motor system failure causes. The causal network is developed for modeling reliability of one or more motor system components and assessing motor system component condition based on the causal network. Results from the performing failure analysis are integrated with results from the assessing motor system component condition based on the causal network to compute a quantitative value for a time remaining before failure with an ascertained statistical confidence.

The invention relates to the field of household appliance, in particular to a shock absorber and a washing machine. The shock absorber comprises a sleeve with an opening in one end and a first plunger. One end of the first plunger is fixed, and the other end of the first plunger is inserted into the sleeve from the opening. The first plunger can slide along the sleeve. A friction plate in friction fit with the first plunger is arranged between the first plunger and the sleeve. The sleeve is provided with an elastic part and a second friction slide device which is connected with the elastic part and can slide relative to the sleeve in a friction manner. When the movement, relative to the sleeve, of the first plunger exceeds are preset position, the first plunger is abutted against the second friction slide device and compresses the elastic part. By the structure, the shock absorber is good in shock absorption performance, long in service life and capable of lowering the risk of shock absorption failure caused by large friction.

The invention discloses a synthesis method and system of a concurrent request of a Web service. The method mainly comprises the following steps of combining information in information arrays into an HTTP (Hyper Text Transport Protocol) request through a request synthesizer and sending the HTTP request into a server end; the HTTP request on a network is sent by a client in each time so that the bandwidth is saved and the performance and the throughput of the server are improved. Through combining client requests by the system, the result data of a plurality of times can be returned in one HTTP response for one time; correspondingly, a plurality of times of HTTP responses are waited and the results are combined; when the result is obtained for one time in the process of waiting for the response for one time, the system is higher in efficiency and is more reliable. Meanwhile, the waiting time of a user can be shortened to a greater extent and the data transmission failure caused by unstable network and the like can be effectively reduced, so that the user experience can be greatly improved and enhanced.

A high availability database system, subject to a failure causing data corruption in the active server system, may recover valid data prior to the corruption, and use the protected and recovered data to effect a failover. At the time T1 when a stand-by computer system detects the occurrence of a failure, a pair split is done to the data area to protect the data area time T0, just before the occurrence of the failure, and another pair split is done to the log area at the time, where the log area is corrupted or a time T3, where the failover is to take effect without corrupting data, to protect the log area containing data at a given time between time TO and time T3. By using the data and log areas thus protected, the stand-by computer system may take over valid data and log areas of the given time to perform a failover.

A method of changing between a Data over Cable Service Interface Specifications (DOCSIS) mode and a DOCSIS Set-top box Gateway (DSG) mode in a digital broadcast receiver, includes: performing channel searching to change into the DSG mode, and detecting a cause of a failure in securing a channel via a database upon failing to secure the channel in response to a user requesting a change of mode via a host; and recovering the DSG mode as a result of detecting the failure cause upon receiving DSG data. It is therefore possible to change from the DOCSIS mode to the DSG mode according to the state of the OpenCable digital broadcast receiver, thereby improving its capability of coping with a field.

The invention relates to the technical field of cloud storage, in particular to a method, equipment and a system for data processing of cloud storage, aiming to solve the problems that the data writing is long in processing time and low in efficiency in the prior art. The method provided by the invention comprises the following steps: a metadata server of a metadata server cluster selects storage equipment from a storage equipment cluster when receiving a writing request from a writing client, and metadata corresponding to to-be-written data is generated and stored according to the stored information and parameter information; and the writing client is reminded to write the to-be-written data into the corresponding storage location of the selected storage equipment according to the stored information, when a writing request success response and the stored information are sent to the writing client. According to the embodiment of the invention, the writing processing failure caused by not returning the successful response to the client when a certain data server can not work normally due to network and hardware failures, and other reasons is solved, the processing efficiency is improved, and the processing time is shortened.

A method and apparatus are disclosed for monitoring and signaling a path restoration using pre-computed restoration paths following a detected fault on a primary service path in a communications network. A fault occurring inside the restorable portion of a network in heterogeneous or multiple network environments can be distinguished from faults occurring outside the restorable network in accordance with the ANSI Tandem Connection Maintenance standard, T1.105.05-1994. Path restoration is activated only when a fault causing path failure occurs inside the restorable portion of the network. Each conforming node in the restorable portion of the network has the necessary monitoring, signaling and cross-connect functionality and databases to participate actively in real time restoration. Additional non-conforming network elements can be positioned between the restoration nodes without preventing path restoration. With the signaling architecture of the present invention, when an end-node detects a path failure caused by an in-network fault, it formulates a signaling message for restoring the failed path. The restoration signaling message is thereafter relayed from one node to another in the overhead or payload of signaling paths that occupy the same bandwidth that is subsequently used by the restoration path. Once a signaling message is transmitted to an adjacent node in the overhead or payload of a particular signaling path, the node that transmitted the message makes a cross-connect that replaces the signaling path with a segment of the restoration path whose set-up was requested in the transmitted signaling message.

The invention provides a database backup and recovery system based on a block chain technology. The database backup and recovery system comprises a switching center, wherein the switching center is connected with a client side, is connected with one or a plurality of databases and is connected with one or a plurality of block chain nodes through a block chain adapter, and the switching center manages mapping relationships between the plurality of databases and the plurality of block chain nodes for data backup and recovery. The invention also provides a database backup method based on the block chain technology, and a database recovery method based on the block chain technology. The block chain technology is used, the characteristics that the block chain technology can not be tampered and can be permanently stored are utilized, meanwhile, data is distributed in the block chain nodes, overall failure caused by the faults of a center point can be avoided, so that safe and reliable database backup is realized, most of organizations can properly control cost and effectively deploy a backup scheme in existing environment to enable the requirements of most of organizations to be met, and the methods and the system can be generally implemented and have a very wide application scene.

When a primary failure occurs, each agent device (information processing device) checks itself to determine whether non-notification setting has been performed for alarm notification of the primary failure. If no non-notification setting has been performed, the agent device sends the alarm notification to a manager device (network management device). At the same time, the agent device sends a set alarm mask request to the agent device located downstream in the signal flow to request to perform non-notification setting for alarm notification of a secondary failure caused by the primary failure.

Provided is a technique which solves a problem of a long-time reduction in a service level after service restoration and a problem of a failure caused by a disk capacity shortage during primary volume restoration. According to the technique, reference is made to a differential block management unit (217) setting which of a differential volume (142) and a primary volume (141) a data block of a restoring source snapshot volume (VVOL No. 3) is to determine which of the primary volume (141) and the differential volume (142) a volume storing read data is. When a restoring target data block is in a differential volume (142), data of the differential volume (142) is restored in the primary volume (141). Upon accessing to the primary volume (141) while restoring, switching is made to a virtual primary volume after restoration where data of the primary and differential volumes are combined based on the snapshot volume (VVOL No. 3) to execute accessing.

A method for creating training systems including analyzing / mapping course requirements for evaluating required knowledge / skills according to mapped subjects and defining possible failure causes, wherein each failure cause represents knowledge / skill weakness relating a certain subject or general weakness, defining knowledge / skills target level correct / wrong answers in each subject as function of the number of users, preparing a question pool, wherein each question relates to a subject knowledge / skill and / or failure cause, preparing correct and wrong answers for each question, wherein each wrong answer is related to a specific sub-subject / subject and / or to a failure cause, defining an evaluation module for assessing user knowledge / skills level based on user's success in giving correct answers in comparison to predefined target levels and type of failure causes related to the user's wrong answers, and defining exercise module for selecting sequence of questions from predefined question set based on evaluations of user knowledge / skills level and detected failure causes.

A queuing server is used for reliable message transport, where one subsystem desires to execute one or more ordered operations asynchronously. Messages are sent to the queue in groups, which may have one or more messages. Messages within a particular group are processed in a predetermined order. Optionally, groups of messages can marked as correlated such that all groups within a particular correlation can be processed in a predetermined order. A message can be stored in a SQL database table until processing of that message is complete. The receiving side of the message system can be scaled across multiple machines and / or across available resources of any given machine. The system can handle “disaster” scenarios on both the sending side (i.e. the sending machine crashes in the middle of sending a group), and the receiving side (i.e., a power failure causes a reboot in at least one of the receiving machines).

The invention relates to an incremental data migration method capable of realizing breakpoint transmission. The method provided by the invention is similar to the method for realizing the breakpoint transmission of file transmission and is realized by taking a table object and a record as units. When a migration process is re-executed due to a migration failure caused by conditions such as system halt, power failure, network disconnection, system or application program crash and the like in the data migration process, a migration tool based on the incremental data migration method can automatically identify finished and unfinished migration tasks, and start continuing migration from a breakpoint. The migration method capable of realizing the breakpoint transmission mainly comprises two aspects, namely migration-plan-based migration interruption state storage and migration interruption state recovery. By the data migration method, the effectiveness and continuity of migration of each time can be ensured; when the migration is interrupted, incremental migration can be performed on the basis of the conventional migration task when the same migration task is re-executed, so that unnecessary data repeated migration can be avoided; in addition, the complex operation of manually identifying the breakpoint and manually regulating the migration task can be avoided, and data migration efficiency is greatly improved; and particularly, migration continuity, reliability and high efficiency are strongly ensured in the migration of massive data.

A bag has a reinforcement that is configured in a predetermined manner for reinforcing at least a portion of the bag. One or more predetermined areas of the bag may be reinforced. The bag may have one or more layers, and may be reinforced by placing and affixing reinforcing media in selected areas. The nature of the reinforcing media—its dimensions and structural properties—may be selected with respect to targeted uses of the bag. The bag may be subjected to one or more types of potentially failure-causing strain (e.g. bending, twisting, puncture, tensile, compression) during the useful life of the bag. For example, the bag may be stressed during filling the bag with product, top sealing, conveying by hand or machine, loading and stacking, transportation, storage, selling and final use by the consumer.

A self-contained radio frequency (RF) wireless communication device (100) comprising an explosion-proof housing (110), an internal electronic system for the conversion of radio wave and conducted electrical signals, and an internal antenna system located within a non-metallic portion (130) of the housing for collecting and emitting radio wave energy. The antenna system enables the wireless communication device (100) to safely collect and emit radio wave energy using one or more optimally configured antenna resonators (351), with each antenna resonator differing each other antenna resonator by at least one attribute in a group of attributes comprising: frequency response, field polarization, and wavelength spatial diversity.The present invention is a self-contained RF wireless communication device that provides data communications between two or more devices for the supervisory control and / or data acquisition of actuators, sensors, transducers, gas detectors, and other devices located in explosive hazardous locations without the need of installing one or more external antennas, one or more antenna connectors, excessive conduit connections and seals, and the like, whereby reducing system installation components count and eliminating conduit connections, furthermore reducing the probability of system-level failures caused by lower-level faults of components and conduit connections, resulting in a less expensive and safer electrical equipment installation.

The invention provides a server device condition maintenance system comprising a feature acquisition module, a server condition estimation module, a server condition diagnosis module, and a server decision recommendation module. The feature acquisition module is used for acquiring condition features of a server and warning messages in regular time. The server condition estimation module is used for estimating health condition of the server according to the condition features of the server and the warning messages so as to obtain the level of the health condition of the server. The server condition diagnosis module is used for judging causes for the fact that the health condition of the whole server significantly degrades or analyzing failure causes and failure parts of the server, according to current and historical condition features of the server, when the server condition estimation module judges that the health condition of the server is abnormal. The server decision recommendation module is used for providing decision recommendations for the maintenance of the server, according to the failure causes and failure parts judged by the server condition diagnosis module, when the server condition estimation module judges that the health condition of the server is abnormal.

The system comprises a network failure detecting client-side mounted on a PC. The network failure detecting client-side comprises: a failure detecting module for testing the network connection of PC when receiving a failure detecting request, and for returning the failure cause to the user's interface module when detecting a failure; and a user's interface module for receiving the failure cause from the failure detecting module and returning it to the PC.

The invention discloses a region switching method based on signal intensity and load estimation, mainly solving problem of switch failure caused by excessive load intensity in a candidate cell. The switching method comprises the following steps: (1) a base station sends measuring control information to a mobile terminal periodically, meanwhile measures load information and resource information in the cell; (2) the base station decides whether a switching process is triggered according to the signal intensity in a measuring report of the mobile terminal, if the signal intensity in the cell is smaller than the signal intensity in other cells, connections are established between the base stations to exchange measured information; if not, step (1) goes on; and (3) the base station normalizes by unit and weighs the signal intensity and the load in each candidate target cell, and selects an optimal cell as a target switching cell. The invention has the advantages of high success rate of switching and low total time lag of switching, and mobile nodes can be switched from a service cell to another service cell in wireless network.

The embodiment of the invention discloses a database synchronization method and device, equipment and a storage medium. The method comprises the steps of obtaining table structure information of a source database and a target database; determining table structure change information according to the table structure information of the source database, the table structure information of the target database and a preset field attribute capture rule; generating a change statement according to the table structure change information, controlling the target database to execute the change statement soas to update the table structure information of the target database; obtaining update data matched with the table structure change information in the source database, and synchronizing the update datato the target database. According to the technical scheme provided by the embodiment of the invention, the defects of the scheme in the prior art are overcome, the synchronization function that multiple attributes of library table fields can be selected and contents can be filtered is realized, and the problem of data synchronization failure caused by special attributes of source database fieldsis solved.

A probability evaluation method of failure caused by typhoon to a power transmission line is suitable for evaluating failure probability after the power transmission line is affected by the typhoon. The method mainly comprises the steps of quantitative evaluation on the power transmission line affected by the typhoon as well as environmental factors and probability modeling of the line failure caused by the typhoon. In the quantitative evaluation, ways of the failure caused by the typhoon to the power transmission line and key factors including inner factors (design strength, state and the like of lines) and outer factors (typhoon, terrain, rainfall and other factors) are mainly evaluated; and in the probability modeling, a reasonable failure probability model is mainly established to calculate the line failure probability corresponding to the quantitative evaluation results of the key factors. The probability evaluation method has the beneficial effects that the evaluation on various loads and real-time anti-wind capability of complicated lines and towers is avoided, the effect of the inner factors and the outer factors and the characteristics of the various failure ways are simultaneously considered, a mechanism that the failure of the line is caused by the typhoon is satisfied, and the capacity of a power system in defending the typhoon disaster is improved in combination with a wide-area measurement, analysis, protection and control system.