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 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 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 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 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 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 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.

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.