135results about How to "Fast failure" patented technology

Provided is a relative pressure control system has a simple configuration, but enables accurate regulation of a division ratio of an operation gas, and concurrently makes it possible to securely drain the operation gas from an operation gas pipeline in case of emergency. The system includes a plurality of air operated valves of a normally open type that are connected to an operation gas pipeline supplied with an operation gas; pressure sensors that are series connected to the respective air operated valves and that detect output pressures of the respective air operated valves; a controller that controls operation pressures of the respective air operated valves in accordance with the pressures detected by the pressure sensors; and a hard interlock solenoid valve that correlates the plurality of air operated valves to one another so that at least one of the plurality of air operated valves is normally opened. In the configuration, an opening of a specified one of the plurality of air operated valves is regulated, the operation gas is output at a predetermined division ratio.

A method of detecting seizures may comprise receiving an EMG signal and processing the received EMG signal to determine whether a seizure characteristic is present in the EMG signal during a time window. An apparatus for detecting seizures with motor manifestations may comprise one or more EMG electrodes capable of providing an EMG signal substantially representing seizure-related muscle activity; and a processor configured to receive the EMG signal, process the EMG signal to determine whether a seizure may be occurring, and generate an alert if a seizure is determined to be occurring based on the EMG signal.

A non-pneumatic tire is provided with an annular reinforcing web that reduces the bending of compression spokes formed in the tire and reduces stresses and strains in the tire. The non-pneumatic tire includes an inner hoop member having an inner surface that defines the inner diameter of the tire, and an outer hoop member having a tread groove region that defines the outer diameter of the tire. A disc-shaped central web portion connects the inner and outer hoop members. A plurality of elongated, radially aligned cavities on either side of the central web defines integrally-formed compression spokes which connect the inner and outer hoop members. The annular reinforcing web is located on and affixed to either side of the central web portion and interconnects a mid portion of each spoke to a mid portion of the spokes on either side of it. Preferably, the annular reinforcing web is reinforced with fiber webbings on its outer side for added strength. The annular reinforcing web allows the tire to be made with less polyurethane material with no reduction in load carrying capability.

A method for protecting against link failures in a communications network having a plurality of paths between senders and receivers is provided. The method includes sending data units by the senders over the communications network on working circuits, applying network coding to form a combination of data units from data units from a plurality of the senders, and sending the combination of data units over the communications network on a backup circuit. If one or more link failures occur in the working circuits resulting in loss of one or more of the data units, then the method further includes recovering the one or more of the data units from the combination of data units transmitted on the backup circuit. The backup circuit used to carry the combination of data units may be implemented in-band with user data or may be implemented as out-of-band backup circuits.

A method of matching the operations of a primary computer and a backup computer for providing a substitute in the event of a failure of the primary computer is described. The method comprises assigning a unique sequence number to each of a plurality of requests in the order in which the requests are received and are to be executed on the primary computer, transferring the unique sequence numbers to the backup computer, and using the unique sequence numbers to order corresponding ones of the same plurality of requests also received at the backup computer such that the requests can be executed on the second computer in the same order as that on the first computer. In this manner, the status of the primary and backup computers can be matched in real-time so that, if the primary computer fails, the backup computer can immediately take the place of the primary computer.

Provided is a relative pressure control system has a simple configuration, but enables accurate regulation of a division ratio of an operation gas, and concurrently makes it possible to securely drain the operation gas from an operation gas pipeline in case of emergency. The system includes a plurality of air operated valves of a normally open type that are connected to an operation gas pipeline supplied with an operation gas; pressure sensors that are series connected to the respective air operated valves and that detect output pressures of the respective air operated valves; a controller that controls operation pressures of the respective air operated valves in accordance with the pressures detected by the pressure sensors; and a hard-interlock solenoid valve that correlates the plurality of air operated valves to one another so that at least one of the plurality of air operated valves is normally opened. In the configuration, an opening of a specified one of the plurality of air operated valves is regulated, the operation gas is output at a predetermined division ratio.

A method for detecting a rotor blade pitch angle adjustment fault of a rotor blade of a wind turbine is provided, the method includes measuring a rotor blade pitch angle speed; predicting, based on an actual rotor speed, a rotor blade pitch angle speed; indicating a fault, if a first criterion is satisfied, wherein the first criterion is satisfied, if deviation between the measured rotor blade pitch angle speed and the predicted rotor blade pitch angle speed exceeds a speed threshold.

The invention discloses a high temperature and high humidity resistant polycarbonate composition. In terms of a total of 100 weight parts, the raw materials include: 65-95 parts of polycarbonate; 0-20parts of a reinforcing component; 2-6 parts of a flame retardant; 0.2-0.5 part of an anti-dripping agent; 2-5 parts of a toughening agent; 0.2-1 part of a chain extender; and 0.1-2.5 parts of other additives. The toughening agent is selected from an organosilicon toughening agent, and the chain extender is selected from an oxazolinyl chain extender. The invention provides the high temperature andhigh humidity resistant polycarbonate composition, the prepared polycarbonate has excellent high temperature and high humidity resistance, and still has very high performance retention rate after 1000h of "double 85" (a humidity of 85% and a temperature of 85DEG C) hydrothermal aging, and can be applied to airtight basements and other occasions with high temperature and high humidity resistance requirements.

The invention discloses a device, system and method for real-time monitoring of the working state of a rail fastener system. The device includes a sensor module and a signal receiving module. The sensor module includes at least one of an acceleration sensor, a strain gauge and a displacement sensor; the signal receiving module includes Correspondingly at least one of an acceleration sensor adapter, a strain gauge adapter and a displacement sensor adapter; a data collector; a data storage device; and a data wireless transceiver, wherein the acceleration sensor adapter supplies power to the acceleration sensor and collects acceleration data therefrom; the strain gauge adapter Power the strain gauge and collect the strain data from it; the displacement sensor adapter supplies power to the displacement sensor and collect the displacement data from it; the data collector collects the data from each adapter and stores it in the data memory, and transmits and receives data wirelessly in real time sent by the sensor for analysis to determine the working status of the fastener system.

The invention relates to a method for improving the maintenance and performance of an ignition system. The method mainly comprises eight small units, namely the composition of a trigger, the working principle of an igniter, the use of an ignition timing lamp, the influence of ignition time on an engine, the influence of ignition energy on the engine, the difference between air distribution timing and ignition timing, improvement on the ignition system and quick judgment of a fault of the ignition system. The method has the advantages of quickly clearing the fault of the ignition system of a motorcycle and improving an ignition angle.

An elevator vibration reducing device in which horizontal vibrations of a cage are detected by a vibration sensor. The cage is displaced horizontally by an actuator. A control portion for controlling the actuator has a computing portion for computing a vibration reduction control signal for reducing the horizontal vibrations of the cage based on a vibration detection signal generated by the vibration sensor. The control portion has a detection signal comparing portion for comparing a detection value obtained from the vibration detection signal with a previously set value, and stopping controlling of the actuator when the detection value becomes no less than the set value.

Provided is a failure recovery method for switching to a standby system if a failure occurs in an active system, which allows reduction of loads on the standby system and a network. A computer system, which receives data to which timestamp information is appended in a chronological order and processes the received data by registered queries, includes the active system for processing the received data and the standby system for processing the received data instead of the active system upon occurrence of a failure. The active system processes the received data by the respective queries according to a predefined sequence, and transmits results obtained from the received data by the respective queries to the standby system as intermediate data on a query basis at a predetermined timing. The standby system restores the data by processing the received data and the intermediate data if a failure occurs in the active system.

A method of detecting seizures may comprise receiving an EMG signal and processing the received EMG signal to determine whether a seizure characteristic is present in the EMG signal during a time window. An apparatus for detecting seizures with motor manifestations may comprise one or more EMG electrodes capable of providing an EMG signal substantially representing seizure-related muscle activity; and a processor configured to receive the EMG signal, process the EMG signal to determine whether a seizure may be occurring, and generate an alert if a seizure is determined to be occurring based on the EMG signal.

The present invention provides a method of reporting network information of the ZigBee network in a ZigBee coordination node of an Internet of Things, wherein the ZigBee coordination node is connected to a plurality of ZigBee nodes forming the ZigBee network, and the Internet of Things further comprises an auto-configuration server in the IP network, the ZigBee coordination node being connected to the auto-configuration server through a gateway, the method comprising the following steps: sending a first signaling based on the ZigBee device object to the gateway, the first signaling including network description information and neighbor list information of each ZigBee node in the ZigBee network. According to the solution of the present invention, it makes it possible to use TR-069 to manage the ZigBee network, and in the case of ZigBee network failure, the manager of the ZigBee network can rapidly understand the failure cause so as to be capable of rapidly locating and eliminating the failure, thereby enhancing the network management efficiency.

A pressure transmitter for transfer of a pressure prevailing in a first medium onto a second medium, including a pressure chamber 4 in a platform 1, which chamber is separated from the first medium by means of a dividing membrane 2, wherein the pressure can be transferred by means of the second medium to a pressure measurement cell. For timely recognition of an impending failure of the dividing membrane, an early warning detector is provided with a sensor chamber 6 having an opening, which faces the first medium; and a sensor 7, which monitors a property of a medium container in the sensor chamber; and a barrier facing the first medium, pressure-tightly sealing the opening, and which, under contact with the first medium and equal conditions as experienced by the dividing membrane 2, fails earlier than the dividing membrane, thus making possible a flow connection between the sensor chamber 6 and the first medium. Preferably, the barrier is in the form of a sacrificial membrane 5, which is thinner than the dividing membrane. In this way, it is to be expected that, under corrosive destruction of the membranes, the sacrificial membrane 5 will be destroyed earlier than the dividing membrane 2.

The invention relates to the field of distribution network automation systems, in particular to a local self-healing protection method for fault recognition and protection, fault isolation and power supply recovery in a distribution network automation system. According to the method, through the driving of substation exit accident master remote signaling, faults can be protected and isolated voluntarily and rapidly in a distributed way by the driving of a substation protection signal and out of the control of a main station, and power is restored to a non-fault region; equipment is prevented from generating misoperation caused by misjudgment by using the substation protection signal, and concentrated control can also be carried out by a main station; and a distributed control function is locked when the main station performs control, therefore the method has favorable misoperation prevention capability to a switch, and the pressure of the main station is reduced.

The invention provides an equipment fault repairing method and a device, and the method comprises the steps: determining an equipment node corresponding to machine resource monitoring data when the machine resource monitoring data is received; acquiring a monitoring index type corresponding to the equipment node and an index threshold rule corresponding to the monitoring index type; obtaining target monitoring data matched with a monitoring index type from the machine resource monitoring data; comparing the target monitoring data with a threshold rule to judge whether the equipment node is inan abnormal state or not; if the equipment node is in the abnormal state, generating an alarm event corresponding to the abnormal state, judging whether the alarm event meets a preset alarm rule, andif yes, determining a target repair script corresponding to the alarm event; and generating an operation instruction according to the target repair script, and sending the operation instruction to theequipment node to trigger the equipment node to execute repair operation according to the operation instruction. By applying the method provided by the invention, the fault of the equipment can be quickly repaired.

The invention discloses a power cable fault positioning platform, including a cable fault detector arranged on a power cable, a signal back-transmission mechanism, a mobile monitoring station and a mobile monitoring unit. The mobile monitoring unit comprises an overhead track and a mobile mechanism wherein the mobile mechanism is provided with a monitoring terminal; the signal back-transmission mechanism comprises a communication line arranged in a cable conduit and a number of wireless receivers; the fault detector is provided with a first wireless communication module; the monitoring terminal comprises a control module, a second wireless communication module, a storage module, a sensor module, a video monitoring module and wireless emitters arranged correspondingly to the wireless receivers; and the mobile mechanism is provided with a plurality of fault positioning mechanisms through an ejection mechanism. The platform of the invention performs comprehensive monitoring to the cable fault through the real-time acquisition of online current by the fault detector and through the fault point positioning, allows the workmen to quickly find the specific fault position so as to realize the rapid maintenance to the fault point.

The embodiment of the invention discloses a live streaming exception positioning method and device, computer equipment and a storage medium, and the method comprises the steps: receiving an exceptionmessage which is used for indicating that a live streaming program is blocked; in response to the abnormal message, collecting operation data from a live streaming node related to the live streaming program; extracting features from the operation data to serve as operation features; identifying a reference feature similar to or the same as the operation feature as a target feature, the reference feature being a feature of operation data when the live streaming node is abnormal first, and marking an abnormal type; and determining that the live streaming node corresponding to the target featureis abnormal in the type. According to the embodiment of the invention, the faults can be eliminated within the second-level time, and the process of manually eliminating the faults by operation and maintenance personnel can be simplified, so that the troubleshooting time consumption is reduced, and the faults can still be rapidly eliminated when multiple faults occur in the same time period.

A method of radio link failure recovery for a user equipment, UE, device working in a cellular telecommunication network is disclosed, where base station of each cell periodically transmits a broadcast message including information related to needs of a UE to enable to connect to that cell. The method comprises measuring (100) signal conditions for serving cell and neighbouring cells; upon hand over event being triggered (102) from measured signal conditions, sending (104) a hand over measurement report, and storing (106) information, at least for one of the neighbouring cells, related to UE needs to enable to connect to the cell; and if hand over procedure fails (108), retrieving (110) stored information for one of the neighbouring cells such that information related to UE needs to enable to connect to the neighbouring cell is acquired and re-establishing (112) connection with the cellular telecommunication network using the acquired information. A UE device, a computer program and a radio link failure recovery controller are also disclosed.

The invention discloses a method and a device of high-tension switch cabinet multi-fault diagnosis. The method of the high-tension switch cabinet multi-fault diagnosis comprises that gas in a high-tension switch cabinet is extracted as sample gas; the sample gas is divided into five parts; each part of the sample gas is delivered to five different kinds of gas sensors; ozone, sulfur hexafluoride, sulfuretted hydrogen, foreign taste and particle concentration in the sample gas are respectively detected to obtain different detection values; the detection values of the five kinds of gas sensors are respectively judged whether surpasses a preset value or not; and when the detection values of one or more gas sensors surpass the preset value, one or more fault categories corresponding to detection items detected by the gas sensors appear in the high-tension switch cabinet. Compared with the prior art, when detecting, the method of the high-tension switch cabinet multi-fault diagnosis can fast finish detecting multiple faults of the high-tension switch cabinet.

The invention provides a fault detection technology of a Solaris system, and a Solaris operating system fault is rapidly processed and a fault point is rapidly positioned through mandatory access control by the technology. Compared with a traditional minimum authority model safety measure, the technology for detecting the system fault by utilizing the mandatory access control rapidly detects and positions the fault caused by an attack for the Solaris system, including a known or unknown virus program, an ROOTKIT-level backdoor Trojan horse and the like. The mandatory access control (MAC) is divided into two parts: one part is the access control for a document on the basis of a user, the other part is the access control for the document on the basis of a process, and the user is bound when the process operates, so that the process per se is also a subject, and when an object is protected by a safety mark, even a root user can not access the object unless having the authority of the MAC.

A container for a slush beverage (10) with a side wall (11) and a base (12). The side wall includes a collapsible means (15) to facilitate partial collapse such that a frozen beverage within the container is crushed by manual gripping in a bellows-like action. Preferably the container also includes a lid (14) that forms a second compartment (18) for a second liquid to be mixed with the first in use. Also disclosed is a method of preparing a slush for dispense whereby hollow regions are created in an accreted ice structure as it is freezing.

The invention discloses a power distribution network fault diagnosis system and method. The system includes: at least two power distribution terminals, a GIS system, at least two edge nodes, a centralcloud node and an application terminal. The edge nodes are used for determining the operation state of the power distribution network according to power distribution network information sent by a power distribution terminal connected with the edge node; and when it is determined that the operation state is that the power distribution network has a fault, the edge nodes are used for sending faultinformation to the central cloud node, the central cloud node is used for judging the fault information again according to the GIS system, and if the central cloud node judges that the power distribution network has a fault, the central cloud node is used for sending the fault information to the application terminal. Through the end-side-cloud management architecture design, data acquisition, dataprocessing and fault analysis can be carried out on site, and the data processing pressure and energy consumption of the central cloud node are reduced. Meanwhile, the power distribution network fault can be quickly positioned based on the GIS system, and the operation and maintenance efficiency is improved.

The invention relates to a method and arrangement for monitoring the operating condition of a transport system. In the method a reader device is fitted to the transport system, which reader device is configured to read an identifier that is separate from the reader device and is provided with a readable marking when the identifier is situated within range of the reading signal of the reader device, measuring means are fitted in connection with the reader device for measuring the operation of the reader device, the operation of the reader device is measured in connection with a reading procedure being performed, and also a functional nonconformance of the reader device is determined on the basis of the measurement of the operation of the reader device.

The present invention relates to a method for processing the video telephone call failure based on the mobile communication network, which comprises the following steps: when a video telephone call initiated by a calling terminal has failed, the mobile communication network side returns a call failure message which contains a reason value of the call failure and a disconnecting signaling to said calling terminal in accordance with the reason of the call failure; after said calling terminal receives said call failure message, it queries and extracts said call failure prompt information data in accordance with said reason value and broadcasts the call failure prompt information locally. Through pre-installing the call failure prompt information in the video telephone calling terminal and sending the call failure signaling by the network side, the present invention makes the video telephone calling terminal get the reason of failure rapidly and complete the next step of concrete operation effectively when the call failed. In addition, the system resources could be well used and the waste of the system resources could be reduced because of the reason of the call failure returning duly.

The present invention discloses a device and a method for integrated protection and measurement and control for a ring main unit. The device comprises a CPU, wherein the CPU is connected with a communication module, a human-machine interface module, a protection module, a power module, a voltage and current sampling module and an entering module; the protection module comprises a sampling coil; the sampling coil is connected with the CPU; and the CPU communicates with an overcurrent protection soft strap, an overvoltage protection soft strap, a reclosing soft strap, a low-voltage protection soft strap, a zero-sequence direction soft strap, a bus grounding soft strap, a TV disconnection soft strap and an overload soft strap. The device and the method can flexibly achieve various protectionand measurement and control functions, and are suitable for line protection with various voltage grades.

The invention belongs to the technical field of parallel system fault tolerance, relates to a parallel recomputing method using redundancy computation for error detection and error correction on a computing task, and particularly provides a fast parallel recomputing method for logic division and secondary scheduling on the basis of a data block corresponding to an error task. The method comprises the following steps of: performing error detection based on a redundant computing strategy on the computing result of the data block; and performing recomputing on the basis of multi-thread error detection and process recomputing error correction. The method provided by the invention can be completely applied to fault-tolerance processing occasions of high-performance calculation of parallel digital terrain analysis of large-scale mass data, such as the terrain factor extraction of rule grid parallel interpolation, slope and aspect parallel computing, depression filling and leveling-up parallel computing and the like; the method can be applied to high-performance computing of geographic information processing, and can also be applied to the application occasions of space decision analysis based on geographic information, data mining and the like; and the processing efficiency is improved.

High density single crystal penetrators are made from tungsten or from alloys containing at least 90% tungsten, and a remainder of essentially tantalum, rhenium, niobium, molybdenum or a mixture thereof. The penetrator will generally be circular in cross-section and have a length to diameter ratio of at least about 10 to 1, with the single crystal body being aligned so the crystalline axis having the [100] orientation is parallel to the longitudinal axis of the penetrator. A penetrator having such desired crystalline characteristics can be formed by CVD about a heated substrate of body-centered cubic crystal material. One particularly efficient process utilizes static CVD in a closed chamber and employs a solid feedstock of polycrystalline tungsten material.