50results about How to "Avoid abnormal conditions" patented technology

The invention discloses an early-warning method based on data and model fusion. Reliable prediction of a system operating degradation trend is realized sequentially through steps of data collection, feature extraction, establishment of a normal state standard, tracking of a feature variable degradation, a predication model based on data driving and continuous cyclic updating of parameters of the predication model. The early-warning method does not rely on a system mathematics model and prior knowledge, is capable of predicating change trends of a system in a future period of time only by relying on historical operating data and real-time data, and is capable of predicating faults that may occur in a short time during an abnormal change initial period of the system. Therefore, workers can timely eliminate latent risks, accidents are prevented effectively, the safety and the reliability of running of the system are improved, and economic losses and environment pollution are reduced.

The application provides a detection method, device and system for a control channel. The method comprises the following steps: reporting indication information; detecting M control regions, wherein Mis greater than 1, and M is an integer; and if a configuration change signal of a control region parameter is detected in any control region of the M control regions, detecting the control channel according to the configuration change signal. Through adoption of the detection method, device and system, the robustness of control channel detection can be enhanced, so that the link failure probability in a communication system is lowered.

The invention relates to an automatic chip testing method and an automatic chip testing system. The automatic chip testing method includes recording testing values of all pins at all testing time points of a tested chip in real time; extracting the testing values; comparing the testing values with expectation values and generating a comparison report according to a comparison result; positioning failure information of the tested chip according to the comparison report, wherein the failure information includes failure pins and failure time points of the failure pins. The automatic chip testing method is capable of acquiring all the failure time points of all the failure pins, facilitating positioning analysis of failure positions and failure reasons according to the failure time points of the failure pins, analyzing the testing values comprehensively through setting of different expectation values and offering more detailed and accurate testing results to guarantee the testing success rate.

The invention provides a vehicular power battery pack control system and method. Battery monitoring parameters and charge-discharge state parameters of a unit battery pack are acquired by a slave control unit; the battery monitoring parameters and the charge-discharge state parameters are transmitted to a vehicle management system through a master control unit; a battery control command fed back by the vehicle management system is received; charge-discharge state control is performed on the corresponding unit battery pack according to the battery control command. On such basis, unit battery packs are monitored in real time during service of an electric vehicle; dynamic charge-discharge control is performed on the unit battery packs according to the battery monitoring parameters and charge-discharge state parameters; therefore, anomalies of power battery packs are prevented, and driving safety of the electric vehicle is guaranteed.

The invention relates to an LED display terminal monitoring and management system and method. The LED display terminal monitoring and management system comprises a threshold value configuration module, an acquisition cycle configuration module, a monitoring date acquisition module and a health status report generating module, wherein the threshold value configuration module is used for responding to user operation and configuring a threshold value for parameters to be monitored; the acquisition cycle configuration module is used for responding to user input and configuring an acquisition cycle of a monitoring device of an LED display terminal to the parameters to be monitored; the monitoring date acquisition module is used for acquiring monitoring data of the parameters to be monitored, which is acquired by the monitoring device; the health status report generating module is used for generating a health status report of the LED display terminal according to the monitoring date of the parameters to be monitored, which is acquired by the monitoring data acquisition module, and the threshold value of the parameters to be monitored, which is configured by the threshold value configuration module. The LED display terminal monitoring and management system and method can provide the health status report through every physical quantity of different times, prevent various abnormal conditions of the LED display terminal, reach the aim of pre-maintenance and guarantee long-term stable operation of the LED display terminal.

The invention aims to provide a method and a device for displaying a background image on a mobile terminal. The method comprises the following steps: acquiring one or more background images set for the mobile terminal by a user; confirming a target background image corresponding to the current state information from one or more background images according to the current state information of the mobile terminal; displaying the target background image on the mobile terminal. Compared with the prior art, the method provided by the invention has the advantages that the target background image set for the state by the user can be updated in real time according to the change of the current state information, the individual requirement of the user is met and the user experience is promoted. Furthermore, according to the method provided by the invention, if the background image corresponding to the default state is contained in one or more background images is detected, and the setting operation when the background image corresponding to the default state is not contained is ignored, so that the happening of abnormal condition is avoided and the stability of the system is ensured.

The invention discloses a method for enhancing the in-orbit reliability of a moonlet, relates to the field of the in-orbit reliability guaranteeing of a spacecraft, and solves the problems of poor reliability, low working efficiency and the like since the moonlet is likely to be subjected to a situation that one-machine component is out of control or a whole spacecraft is out of control when the moonlet carries out in-orbit task execution. Interruption is used for solving the problem of the abnormal communication of the moonlet, software on satellite is used for automatically solving the problem that an RS422 bus, a CAN bus and a PPS (Pulse Per Second) signal are continuously abnormal. When certain one machine is subjected to abnormal communication, after interruption frequencies achieve apreset threshold value, the communication interface of the one machine is shielded through a continuous interruption way, and the one-machine component is restarted. Since an abnormity processing method is carried out in application software, an effect of quick response and abnormal processing can be achieved. The problem that the abnormity is only solved through the injection of a remote controlinstruction on the ground after the satellite rises to the sky, and the reliability and the stability of the in-orbit operation of the moonlet are effectively improved.

The invention discloses a fully-automatic fixed-position conveying, fixed-point mold conveying and fixed-point mold pushing production line. The fully-automatic fixed-position conveying, fixed-point mold conveying and fixed-point mold pushing production line comprises a roller press, a plaster mold, a plaster mold barrel, a gear tooth row module, a mold conveying mechanism, a pushing mechanism, aconveying motor, mold guiding shafts, a sliding table, an optical shaft guide rail, chains, unidirectional rolling wheels, a conveying main body, a pushing mechanism main body, mold pushing fixed positions, mold preparation fixed positions and mold distance adjustment fixed positions. The mold guiding shafts are precisely guided into left positions and right positions of molds through rolling of the mold guiding shafts; the unidirectional rolling wheels can only rotate forwards to operate, and the molds are prevented from moving backwards; the six mold distance adjustment fixed positions, thetwo mold preparation fixed positions and the two mold pushing fixed positions at the left side and the right side are arranged in all, the distance between every two molds is adjusted precisely, and the molds are pushed out precisely and safely; unidirectional pushing adjustment is achieved, a gear tooth row is driven by a servo motor, and stability is achieved; the whole production line is fast,precise and safe; and production efficiency is improved, and the automation degree is high.

The present invention relates to a current accuracy calibration method for a failure indicator production link. Compared with the prior art, the defect that the current accuracy can not be improved by the calibration method of a fault indicator is solved. The method comprises a verification mode of calibrating the current accuracy in a verification mode and a normal mode of calculating a routine calibration coefficient in a normal mode. According to the current accuracy calibration method, the failure indicator calibration process is optimized, and the accuracy of line load current sampling is improved.

The invention provides a parked vehicle monitoring system. The parked vehicle monitoring system can be installed in a parking area, and comprises a photographic device, an arithmetic unit and a processing unit, wherein the photographic device is used for photographing vehicle images; the arithmetic unit is coupled to the photographic device and used for monitoring whether the vehicle has abnormalcondition; the processing unit is coupled to the arithmetic unit and used for processing and preventing the abnormal condition of the vehicle; the processing unit is provided with a state abnormity notification subsystem; and when the abnormal condition happens, the state abnormity notification subsystem can timely send warning information to remind safety guard personnel, and can inform the vehicle owner of the abnormal condition and provide abnormal information for making a judgment and processing.

The invention provides a fan system which comprises a stator set and a monitoring and sensing module. The stator set is electrically connected with the monitoring and sensing module. The monitoring and sensing module is provided with at least one sensing unit, at least one monitoring unit and a control unit. The sensing unit of the monitoring and sensing module senses the fan system, and a signal processing unit actively notifies and warns the service condition of a fan, so that the abnormal condition is avoided; moreover, the maintenance cost can be reduced.

The invention provides a current calibration method and system for a power distribution network overhead line monitoring device, and the method comprises the steps: calibrating a power distribution network monitoring device through two times of calibration, and making rough adjustment in a mode that the calibration coefficients corresponding to 11 calibration gears are written into an acquisitionunit during one-time calibration; during secondary calibration, adopting a least square method to carry out segmented calibration to realize fine adjustment while when the load current sampling valueand the actual output current sampling value of the current source are obtained; adopting a mode of continuously reading to achieve multiple times and averaging so that the abnormal condition caused by electromagnetic interference is effectively avoided, and in the calibration process, each calibration gear or calibration current adopts the actual current size instead of a theoretical value, so that the abnormal condition caused by an unstable current source is effectively avoided. Through two times of calibration, the load current precision of the fault indicator can be controlled within 0.5%, thereby greatly improving the accuracy and reliability of fault detection.

The embodiment of the invention provides a processing method and device for a memory in a device based on a SW architecture. The method comprises the following steps: in the process of initializing alarge-page memory, obtaining the memory usage amount required by the device for receiving and sending messages, wherein the memory usage amount is the sum of a packet cache PKB memory usage amount anda direct memory access DMA memory usage amount; at each time aft that large page memory chunk is merged, cutting the large page memory chunk according to the memory usage amount and the preset memorylimit address to obtain the target memory chunk; filtering in a memory to be allocated of the device according to a PKB identifier or a DMA identifier to obtain a target memory block; allocating thetarget memory block to the PKB memory and the DMA memory for use by the PKB memory and the DMA memory. The device performs the method described above. The method and the device provided by the embodiment of the invention can avoid the abnormal condition that the message cannot be received and transmitted by the equipment based on the SW architecture.

The invention provides a substrate management controller failure processing method and system, a storage medium and a single-chip microcomputer. The substrate management controller failure processing method comprises the following steps of collecting working state information of a first substrate management controller serving as a working substrate management controller; and when judging that the first substrate management controller fails according to the working state information, selecting a second substrate management controller as a working substrate management controller, refreshing the first substrate management controller again and restarting the first substrate management controller. According to the substrate management controller failure processing method and system, the storage medium and the single-chip microcomputer, rapid recovery after failure of the substrate management controller is realized through a dual backup mode of the substrate management controller.

The invention relates to an indoor monitoring system based on vibration and zone temperature detection. The indoor monitoring system comprises a camera, a sensing lamp and a pyroelectric sensor which are mounted on a ceiling as well as vibration sensors mounted on doors or windows, wherein the sensing lamp is located between the camera and the pyroelectric sensor; the pyroelectric sensor, the camera and the sensing lamp are connected with a main controller respectively; an output end of the main controller is connected with a mobile phone and an alarm lamp; the main controller comprises a signal processing module and an image comparison module. The indoor monitoring system adopts the vibration sensors for door or window detection and adopts the pyroelectric sensor for indoor zone temperature detection, the detection range is wide, the sensitivity is high, safety monitoring of the doors or windows and indoor space is enhanced, the indoor safety protection is improved and influence of original door and window strengthening structures on the appearance is avoided.

The invention discloses an output power prediction system and method laser oscillation-amplification chain. The system comprises pump light equipment and dye pump equipment; the pump light equipment is connected with a pump light control device through a serial bus, and a pulse signal measuring point and a laser power measuring point of the pump light equipment are connected with a pulse delay signal generating device and a laser power measuring device through the serial bus respectively; the dye pump equipment is connected with a dye pump control device through the serial bus; and the pump light control device, the dye pump control device, the pulse delay signal generating device and the laser power measuring device are connected with a PC through an Ethernet bus. The system and method are suitable for a laser oscillation-amplification chain system which includes a complex process structure, relatively many influential factors and high requirements for the stability, real-time performance and expansibility, system faults can be predicted in advance, continuous operation of the system is guaranteed, and the operation cost is saved.

The invention relates to the technical field of artificial intelligence, is applied to the field of smart medical treatment so as to promote the construction of smart cities, and discloses a monitoring data reporting method and device, computer equipment and a storage medium. The method comprises the following steps: after carrying out space-time detection on each monitoring group corresponding toa to-be-monitored object, inserting first monitoring feature information into an information list corresponding to the monitoring group when at least one obtained target observation value is greaterthan or equal to a corresponding preset target estimation value; calling a space-time monitoring system corresponding to each monitoring feature in the inserted information list from a preset monitoring database; determining that preset feature information exists in the first monitoring feature information through a space-time monitoring system, and when the to-be-monitored object is investigatedand detected to obtain an investigation and detection result which is a first result, associating the first monitoring feature information with the first result and reporting the first result to a preset receiver. According to the invention, the problem that the information monitoring department cannot monitor the information to reach the preset target is solved.

The invention provides a print driver control method and device applied to terminal equipment, a storage medium and a program product, and the method comprises the steps of transmitting converted print job content to a background processing module of an operating system of the terminal equipment; receiving and caching printing job content processed and sent by the background processing module to a preset memory space, and the printing job content comprising printing data and a printing identifier; judging whether the printing identifier comprises a task ending identifier or not, and obtaining a first judgment result; and determining a sending strategy according to the first judgment result, and sending the printing job content according to the sending strategy. In the application, the printing job content is temporarily cached instead of being directly sent to the printer, and after the printing job content is cached, the sending strategy can be determined according to whether the printing job content comprises the task end identifier, so that the printer can be prevented from generating an abnormal condition, and the normal work of the printer is ensured.

The invention discloses a clothes processing device dehydration control method. A maximum rotation speed that an inner drum can be run to and a first rotation speed in the process that the inner drumrotates to the maximum rotation speed are set, and when the inner drum reaches the first rotation speed and the maximum rotation speed, vibration values in at least two directions of the inner drum are detected; when the inner drum is run to the first rotation speed or the maximum rotation speed, if the vibration value detected in one direction of the inner drum satisfies a preset value corresponding to the rotation speed, and the vibration value detected in the other direction does not satisfy the preset value corresponding to the rotation speed, the inner drum is controlled to be run to another rotation speed, and the steps are repeated; in the detection process, when it is detected that the vibration values in all the directions all satisfy the preset value corresponding to the rotationspeed, the inner drum is controlled to conduct dehydration at the maximum rotation speed, and when it is detected that all the vibration values in all the directions of the inner drum do not satisfythe preset value corresponding to the rotation speed, the inner drum is controlled to conduct dehydration at the first rotation speed. The invention further provides a clothes processing device basedon the dehydration control method.

The invention provides an intermediate cache device control system. The system is arranged on a storage rack of an aluminum can production line, and comprises a PLC control module, a touch screen, a switching power supply, a motor with a reduction box, a frequency converter, a proximity switch and a travel switch; the switching power supply is connected to the main line of the intermediate cache device control system to provide working power; the PLC control module, the touch screen and the frequency converter are all connected to the main line; the touch screen is connected to the PLC controlmodule through a communication line to exchange information and correspondingly control the PLC control module; the frequency converter controls the rotate speed of the motor with a reduction box; the proximity switch and the travel switch are installed at different position of the storage rack, and are both connected with the PLC control module to monitor and feedback the storage tank state information of the storage rack to the PLC control module. The device can realize the full-automatic tank storage and the inlet and outlet of the storage rack, and can avoid the disconnection and no-loadof the production line.

The invention discloses a method for rapidly judging the excessive ohmic polarization of a secondary battery external line. Whether the external line ohmic polarization is in a normal range and the test result is reliable are determined by transient voltage change values. According to the invention, the judgment can be made at the beginning of the test, the situation that the abnormal situation can be found by analyzing and comparing the data only after all the tests are finished can be avoided.

The invention discloses a floating control axial-flow type threshing method for threshing salvia hispanica. The floating control axial-flow type threshing method for threshing the salvia hispanica disclosed by the invention has the beneficial effects that a floating control axial-flow type threshing machine is adopted for implementing threshing operation, and the gravity is utilized to play a rolein natural guiding, so that the cost for power and labor is effectively reduced; simultaneously, a motor drives a transmission shaft to rotate, further a roller shell rotates, and threshing operationis realized by rotation of three crushing rods arranged on the roller shell, and the threshing force in the process of threshing operation is adjustable, so that the loss of the damage of threshed salvia hispanica seeds due to nonuniform threshing force is effectively reduced; when abnormal conditions or accidents occur in the threshing process, a power-control operating rod is operated, and thena power-control operating disc drives a transmission-control spline sleeve to descend rapidly to cut off power instantaneously so as to avoid further enlargement of the abnormal conditions or accidents.

The invention discloses a mechanical servo control method for axial-flow threshing. An axial-flow threshing machine with the servo feedback control function is used for applying threshing operation, the natural guide effect is achieved through gravity, and the electric power cost and the labor cost are effectively reduced; meanwhile, a transmission shaft is driven by a motor to rotate, a rolling cylinder shell thus rotates, three crushing bars arranged on the rolling cylinder shell rotate to thus achieve threshing operation, the threshing force in the threshing operation process can be adjusted as required, the operation maximum load force after adjustment is linked with a servo feedback control mechanism through an operation part to achieve the uniformity in the whole threshing process, and it is effectively reduced that due to non-uniform threshing force, seeds after threshing are damaged; with changing of the external feeding amount, the whole servo feedback control mechanism is inthe dynamic balance state, and the whole threshing operation effect is effectively guaranteed; when the abnormal condition occurs in the threshing process, a power control operating lever provides feedback control power for the servo feedback control mechanism so that it can be avoided that the abnormal condition is further extended.

The invention relates to a method for preparing 2-ethylhexanal. The method comprises the following steps that condensation dehydration is carried out on n-butyraldehyde so as to obtain reaction liquidcontaining 2-ethyl-2-hexenal to serve as a raw material, the reaction liquid firstly makes contact with a first-stage catalyst containing Pd, Pt, Cu and Ni, so that an aldehyde polymer can be converted into the 2-ethylhexanal and the like, then the reaction liquid makes contact with a second-stage catalyst containing Pd, Co and Ag, so that a small amount of residual 2-ethyl-2-hexenal can be converted into 2-ethylhexanal, and meanwhile, the aldehyde polymer is further decomposed; and after rectification is carried out, a kettle bottom solution containing 2-ethylhexanal, 2-ethyl-2-hexenal, 2-ethylhexanol and an aldehyde polymer is circulated back to a first-stage reactor, and therefore the conversion rate of the 2-ethyl-2-hexenal is increased, meanwhile, parts of high-boiling residues suchas the aldehyde polymer are converted into the 2-ethylhexanal, and the yield of the 2-ethylhexanal is increased. The method has the advantages that the 2-ethylhexanal can be continuously produced withhigh selectivity and high yield, the product quality is good, and the energy consumption of the three wastes is low.

A circuit for displaying the abnormality of three-phase shock wave absorber by serially connecting it between input and output of city power supply is composed of two shock wave absorbers, two 3-ended fuses and an abnormality indicating circuit. Its advantages include high effect and no generation of electric leakage.

The embodiment of the invention discloses a method and apparatus for establishing a link. The method comprises the following steps that: a Mesh source node performs out-of-synchronization detection during the operation; and when the Mesh source node detects that the present node is in an out-of-synchronization state, the Mesh source node generates link reestablishment control signaling and sends the link reestablishment control signaling to a Mesh target node, so that the Mesh target node establishes the link with the Mesh source node according to the link reestablishment control signaling. Therefore, the link reestablishment control signaling is sent on an out-of-synchronization node in a Mesh network, a receiving operation is performed on the control signaling on a destination node to keep the consistency with the operation of the node that initiates the link reestablishment, and a corresponding control signaling error correction processing mechanism is performed on the destination node to prevent an abnormal situation from occurring in a link reestablishment process.

Disclosed is an axial-flow type automatic-control threshing machine for salvia hispanica threshing. A top cover is mounted at the upper end of a main cabin, a middle power support is arranged in the middle of the main cabin, a lower power support is arranged in the lower portion of the main cabin, and an inclined discharging plate is arranged between the middle power support and the lower power support. A first transmission shaft is arranged in a drum casing, the upper end of the first transmission shaft is in fit assembly with a first spline socket, and a rotary vane, an upper control springholder and a lower control spring holder are mounted on the first transmission shaft; the lower end of the first transmission shaft is connected with a transmission control spline bushing, and the first transmission shaft is provided with a plurality of floating springs. A second transmission shaft is mounted in the lower power support, the upper end of a transmission control spline shaft is connected with the transmission control spline bushing, and the lower end of the transmission control spline shaft is connected with the second transmission shaft. A motor drives the transmission shaft tofurther drive the drum casing to rotate, and three threshing rods on the drum casing thresh with adjustable threshing force; power is cut off by a power control operating rod, so that accident worsening is avoided effectively.

The invention relates to an orbit controlling ware applied to automation line's and an application method thereof. The orbit controlling ware is mainly applied to in various automation line's equipment to detect whether the production line in each workstation operation process appears unusually, and convey signals to a master control. The orbit controlling ware contains at least: a controller body, an entry end and an exit end. The controller body is internally provided with a main control substrate and a local lan concentrator for receiving and sending the signal, a side of the controller body is located at the entry end, and is provided with an upper signal input port, a plural photo sensor, a plural inductor interface, a compound digital circuit machine control interface and a plural communication interface, in order to send the signal to a controller body when unusual situation which is detected takes place; another side of the controller body is located at the exit end, and is provided with a next signal output port, a compound digital circuit machine control interface and a plural communication interface, in order to send the signal to the controller body when unusual situation which is detected takes place.