289results about How to "Avoid abnormal situations" patented technology

The invention relates to a complex curved face grinding and polishing system and method. The system comprises a three-degree-of-freedom manipulator, a visual detection device, a vibrating sensor and a three-degree-of-freedom tool platform. An installation clamp is arranged at the tail end of the manipulator and can install an oilstone, a polishing wheel and a grinding wheel. The visual detection device comprises a laser generating device and a binocular camera, is installed on the manipulator, and detects the outline and roughness of a workpiece. During working, the workpiece is installed on the three-degree-of-freedom tool platform. The visual detection device guides the manipulator to scan the outline of the workpiece, a three-dimensional outline data model is generated, and the roughness is analyzed. Polishing or grinding setting can be conducted on a work station. During grinding, setting can be conducted in three modes that a referential three-dimensional data model is compared with an actually measured workpiece three-dimensional data model, modification is conducted on the actually measured three-dimensional data model with a drawing tool, and grinding data are directly set on the actually measured three-dimensional data model.

The present invention features formulations of indolinones which compounds are ionizable as free acids or free bases. The formulation is suitable for parenteral or oral administration, wherein the formulation comprises an ionizable substituted indolinone, and a pharmaceutically acceptable carrier therefor. The term “ionizable substituted indolinone” includes pyrrole substituted 2-indolinones which, in addition to being otherwise optionally substituted on both the pyrrole and 2-indolinone portions of the compound, are necessarily substituted on the pyrrole moiety with one or more hydrocarbon chains which themselves are substituted with at least one polar group. The formulations and the compounds themselves are useful for the treatment of protein kinase related disorders as discussed herein.

An air heavy pollution case judging method based on weather classification and meteorological element clustering comprises the following steps: classifying main weather systems and meteorological elements affecting PM2.5 concentration distribution from a meteorological point of view of factors influencing air pollution diffusion based on historical data of meteorological elements and monitored PM2.5 hourly data, and innovatively establishing a weather classification and pollutant source analysis algorithm based on a backward track pattern; and on the basis of the numerical WRF simulation result, looking for cases similar to typical weather situations of pollution weather in the same season in the history to serve for air quality forecast. A weather classification method and a numerical calculation simulation method are combined, which improves the accuracy of forecast results and reasonably avoids abnormality in numerical calculation results; an automatic classification similarity forecast method is built, which makes air quality forecast more business-oriented; and the cause and source of heavy pollution can be analyzed, and the applicability of the algorithm is improved greatly.

The invention provides a control and protection system suitable for a composite type converter valve operating test device, belonging to the field of automation equipment of electrical power systems. The system comprises a man-machine interface unit, a synchronizing unit, a signal acquisition unit, a data summarization unit, a regulation unit, a protection unit, a waveform recording unit, a waveform monitoring unit, a discrete input (DI) unit, a discrete output (DO) unit, a valve base electronic (VBE) unit, a direct current (DC) heavy current power supply system controller, a high-voltage power supply system controller, an inrush current circuit controller, an impact circuit controller, a test valve water system controller and a test device water system controller, wherein the control and protection system can control a test valve and an auxiliary valve according to a trigger time sequence as required so as to generate voltage, current and heat intensity required by various operating tests to finish the operating tests of a converter valve. The system can also monitor the on-off state and important analog quantity parameters of a main circuit so as to take protection measures in time when abnormal conditions appear.

The invention provides an air conditioner and a capacity change judgment method thereof. According to the present invention, the air conditioner comprises a compressor, a four-way valve, an indoor heat exchanger and an outdoor heat exchanger, which are sequentially connected. An outlet end of the compressor is communicated with an inlet end of a variable-capacity air cylinder of the compressor, and an electromagnetic valve is arranged on a pipeline between the outlet end of the compressor and the inlet end of the variable-capacity air cylinder of the compressor; the four-way valve is communicated with a fixed-capacity air cylinder of the compressor via a gas liquid separator; the controller detects the operating state of the electromagnetic valve and the actual operating state of the compressor. Whether the compressor fails in single- and double-cylinder switching or not is judged by comparing the power on-off state of the electromagnetic valve and the actual operating state of the compressor, so that abnormality of the air conditioner unit is avoided and reliability and stability of the air conditioner unit are improved.

The invention discloses a method, a device and a system for area monitoring. The method comprises the following steps of 1, receiving data reported by base stations, 2, determining a base station comprising a target object with a radio frequency identification (RFID) card according to the data, 3, determining if the base station comprising the target object is in a preset monitoring area or not, 4, if the base station is in a preset monitoring area, determining if the target object breaks a monitoring area rule, and 5, if the target object breaks the monitoring area rule, producing corresponding alarm information. The method, the device and the system can effectively carry out efficient and automatic monitoring of an important area, provides large convenience for enterprise management and avoids abnormity caused by artificial operation.

The invention provides a semi-persistent scheduling (SPS) method, including receiving data packets to be scheduled, and allocating the semi-persistent scheduling (SPS) resources according to the current system frame number (SFN) and sub-frame number for transmission of the data packet. By correlating the SPS resource time zone position and the SFN with the sub-frame number, the invention is capable of increasing reliability of the SPS resource, and avoiding desynchronizing between the UE and the eNB.

The invention provides an automatic gauge control (AGC) method for a rolling mill, which comprises AGC. The AGC comprises the following steps of: sampling by using detection devices; transmitting a signal to a rapid analog quantity IO, a rapid digital quantity IO, a relative incremental coder and an absolute incremental coder; converting the signal into a digital signal; transmitting the digital signal through a VME bus and saving the digital signal in a dynamic memory; performing processing and calculation through a high-performance control device to generate a control signal; and outputting the control signal and a control value to a hydraulic performing device by passing through the VME bus, the rapid analog quantity IO and the rapid digital quantity IO in turn to fulfill the aim of hydraulic AGC of the rolling mill. An AGC feedforward control device, a flow rate per second control device and a feedback control device of the rolling mill are combined to provide a set of high-precision data tracking solution for input and output signals, so the aim of precisely controlling the thickness of output strip steel of the rolling mill is fulfilled.

The invention discloses an optimization control system for the energy system of the drying part of a paper machine. The optimization control system comprises a newly-added sensor group, an industrial configuration software module, a relation database and a control model library, wherein the newly-added sensor group is connected with the DCS of the drying part in a signaling way, the industrial configuration software module is connected with the DCS of the drying part and the QCS of the paper machine through an SCADA in a signaling way, the relation database is connected with the industrial configuration software module in a signaling way and the control model library is connected with the relation database in a signaling way. The invention can dynamically and accurately control the key variants of the energy system of the drying part of the existing paper machine in real time according to the characteristics of the paper drying process, can minimize the dependence on operator experiences, can improve the paper drying efficiency and can reduce energy consumption of the drying part, thereby realizing the optimum operation of the energy system of the drying part of the paper machine.

The invention discloses a device and system for controlling the temperature of a storage battery, wherein the device comprises: a storage battery two-channel single temperature measurement module and a two-channel single storage battery heating and refrigerating module, wherein the storage battery two-channel single temperature measurement module is used for detecting the temperature of two partsof a single storage battery respectively through two channels and offering the temperature difference of the single storage battery to a monitoring system; and the two-channel single storage battery heating and refrigerating module is used for heating or refrigerating the single storage battery according to the constant temperature control information sent by the monitoring system. According to the invention, the condition of the single storage battery can be monitored by detecting the temperature of the two parts of the single storage battery through the two channels, and further, constant temperature control, such as heating or refrigerating and the like, can be performed according to the temperature condition of the single storage battery, thus veritable monitoring is realized and the defect in the prior art that real control cannot be carried out is solved.

The invention provides an on-line upgrading method, device and system of a single chip microcomputer program. The method comprises the following steps: firstly, receiving an upgrading start instruction, dividing the MCU controller into three regions, modifying the first flag bit information and the second flag bit information, and executing software reset; Then, according to the second flag bit information, judging whether online upgrading is needed or not is judged; when an online upgrade is required, receiving a data update instruction, receiving an upgrade ending instruction, modifying thecorresponding first flag bit information according to the preset device eigenvalue in the boot loading program, controlling jumps from the boot loader to the execution application, and then judges whether the state corresponding to the modified first flag bit information matches the state corresponding to the preset device eigenvalue in the application, and if so, modifying the second flag bit information to a state where online upgrading is not required. The invention realizes the technical effect of on-line upgrading and improving the reliability of upgrading.

The invention provides a detection device of a defrosting device for a refrigerator. The detection device comprises a heating wire circuit, a defrosting temperature sensor, a temperature fuse and a defrosting control key. The detection device is characterized in that the heating wire circuit is provided with a device requiring the heating wire to separately work; and the power can be detected by using an external power detection device. Whether the defrosting device works normally can be judged by determining whether the output power is matched with the design power.

The invention relates to the technical field of communication, and especially relates to an automatic link switching method and an automatic link switching device in order to solve the problem in the prior art that when a port, connected with transmission equipment, of switching equipment has electrical signals but part of a link fails, the switching equipment cannot detect the failure of a main link, so that automatic link switching cannot be realized, the failure time of a long-distance transmission system is prolonged, and the stability of the system is poor. According to the invention, when that a main transmission port does not receive a detection data frame is detected by using M continuous cycles, that a main link fails is determined, the main link is closed, and a standby link is enabled. The situation in which switching equipment cannot automatically identify that transmission equipment has electrical signals but the link is abnormal in the prior art is avoided, the failure time of the long-distance transmission system is shortened, and the reliability of the long-distance transmission system is improved. Meanwhile, the state of a link is determined by multiple detection cycles, and the probability that link fault is judged by mistaken due to delay in detection data frame receiving by a transmission port is reduced.

The embodiment of the invention discloses a method and device for Java programs. The method comprises the following steps: judging whether a Java stack in a RAM (random access memory) meets a first preset condition or not by a Java virtual machine; if the Java stack does not meet the first preset condition, continuing to run the Java programs, and if the Java stack meets the first preset condition, copying one or a plurality of frames in the Java stack into a nonvolatile memory, moving a Java stack top pointer towards the bottom of the Java stack, and continuing to run the Java programs; judging whether a Java stack in a RAM meets a second preset condition or not by the Java virtual machine; if the Java stack does not meet the second preset condition, continuing to run the Java programs, and if the Java stack meets the first preset condition, copying one or a plurality of frames in the nonvolatile memory into the Java stack, and moving the Java stack top pointer towards the top of the Java stack. In the embodiment of the invention, the nonvolatile memory is used as the expansion and storage space of the Java stack, therefore, the occurrence of abnormal situation due to deficiency of resources can be avoided.

The invention provides a motor train unit part service life analysis algorithm. An exponent distribution sample and a Weibull distribution sample are subjected to service life estimation through a replacement fixed-number truncation test and a replacement timed truncation test, and then the distribution types are calculated. The motor train unit part service life analysis algorithm has the advantages that the service life of motor train unit parts can be estimated, abnormal situation in the operating process of a motor train unit is effectively avoided, and safe and continuous operation of the motor train unit is facilitated.

The invention discloses a screen control method and a screen control device. The screen control method comprises the following steps: when Hall potential change is detected on electronic equipment by using a Hall sensor, judging whether an environment of the electronic equipment is disturbed by a disturbing magnetic field or not; when confirming that the environment of the electronic equipment is disturbed by the disturbing magnetic field, detecting the distance between a protecting sleeve of the electronic equipment and the screen of the electronic equipment by using a distance sensor; judging whether a screen lightening event or screen off event is triggered or not according to the distance, wherein the screen lightening event is an event that the screen of the electronic equipment is lightened, and the screen off event is an event that the screen of the electronic equipment is powered off. With the combination of the Hall sensor and the distance sensor, mal-judgment caused by the situation that disturbance of the disturbing magnetic field is only judged according to the output result of the Hall sensor can be avoided, and thus poor use experience caused by the mal-judgment can be avoided for users.

The embodiment of the invention discloses a network selection method and device, a mobile terminal and a storage medium. The method comprises the following steps: acquiring network delay of a WiFi network in a set time slot after the mobile terminal accesses to the WiFi network, computing the average network delay of the WiFi network in the set time slot based on the acquired network delay in theset time slot, and then selecting the corresponding network to access according to the computed average network delay, wherein the network is the VoWiFi network or the VoLTE network. By using the method disclosed by the embodiment of the invention, a problem that the mobile terminal still accesses to the VoWiFi network by mistake since the WiFi network signal is extremely strong but the network state is bad can be avoided, and then the circumstance that the mobile terminal is abnormal in internet surfing or calling after accessing to the VoWiFi network is effectively avoided, and the voice call quality of the mobile terminal is guaranteed.

The invention relates to a nuclear power equipment monitoring method and device, computer equipment and a storage medium in the technical field of nuclear power information. The method comprises the steps: in the implementation process of nuclear power operation, acquiring video data, collected by monitoring equipment, of multiple nuclear power equipment, wherein the video data comprise multiple frames of equipment images; identifying the equipment image, and determining an abnormal equipment image according to an identification result; acquiring a corresponding nuclear power equipment identifier according to the abnormal equipment image, and acquiring operation process information corresponding to the nuclear power equipment identifier and an operation work order of the nuclear power operation; identifying an associated equipment identifier corresponding to the nuclear power equipment identifier according to the operation process information and the operation work order; extracting anassociated equipment image corresponding to the associated equipment identifier from the equipment image; and generating alarm prompt information according to the associated equipment image and the abnormal equipment image. By adopting the method, the monitoring efficiency of the nuclear power equipment can be improved when the number of the nuclear power equipment is large.

The invention provides an information pushing method which comprises the steps of acquiring a JSON file; generating the identifier of the JSON file; writing the JSON file and the identifier into a template file to generate data of an updated page; matching the identifier of data of a current user page with the identifier of the JSON file and pushing page data to a user when the identifier of the data of the current user page is different from the identifier of the JSON file, wherein the uniform resource locator of the updated page is the same as that of the current user page. The invention further provides an information pushing device. By the adoption of the technical scheme, page abnormality caused by data source writing errors or page scaling can be avoided, and network performance waste caused by continuous data acquiring and updating is avoided.

The invention discloses a power transmission network frame planning method considering different functional attributes. The method comprises the following steps: constructing a new energy output and load model of a to-be-planned power grid according to acquired wind speed data; calculating to obtain a plurality of wind power output typical scenes; establishing a multi-target power transmission network structure planning model according to four functional attributes of new energy consumption, load center power supply, water and electricity delivery and channel interconnection of the power grid;solving the model according to the wind power average output per unit value in each typical scene, the average load size in each typical scene and the occurrence probability of each typical scene; obtaining a plurality of grid structure planning schemes, then calculating the closeness of each scheme by adopting a multi-objective decision-making method based on entropy weight, and taking the scheme with the maximum closeness as a target scheme. According to the design, different functional requirements of the power grid can be met, the power supply reliability, the wind power absorption capacity and the regional power grid power transmission capacity of the power grid are remarkably improved, and meanwhile the calculation time is shortened.

The invention provides an infusion weighing monitoring method. The infusion weighing monitoring method comprises the steps that firstly, an initial weight A of an infusion bottle device placed on the ground is obtained through weighing; secondly, after a set drop number of liquid medicine dripped from a drip chamber of the infusion bottle device, a weight B of the infusion bottle device placed on the ground is obtained through weighing; thirdly, the weight difference value between the initial weight A and the weight B is divided by the set drop number, and then the weight of each drop of liquid medicine is obtained; fourthly, the total weight of infusion medicine is divided by the weight of each drop of liquid medicine in order to achieve the total drop number of the infusion operation; fifthly, the set drop number of the drip chamber is subtracted from the total drop number, so a residual drop number of the infusion operation is obtained; sixthly, the residual drop number of the infusion operation is divided by the current dripping speed, so an infusion residual time is obtained. By the adoption of the infusion weighing monitoring method, the weight of each drop of liquid medicine can be obtained through weighing, and therefore the infusion residual time can be worked out; the weight of each drop of liquid medicine is corrected continuously in order to update the infusion residual time, so time monitoring is more accurate; a nurse can be reminded ahead of time sufficiently.

The invention relates to a method on FLASH resource recovery of embedded device, comprising the steps of real-time detection of CUP load rate and space utilization rate of Flash; Determine cleaning cycle (time interval for cleaning) for back-end resource recovery based on CUP load rate and space utilization rate of Flash; the less CUP load rate, the shorter corresponding cleaning cycle. The more CUP load rate, the larger corresponding cleaning cycle, and the higher space utilization rate of Flash, the shorter corresponding cleaning cycle. The lower space utilization rate of Flash, the larger corresponding cleaning cycle; Conduct trash recycling according to determined cleaning cycle. Through adjusts the cleaning cycle for back-end resource recovery on a real time basis, the method on FLASH resource recovery of embedded deviceconducts timing recovery cleaning for FLASH resource so as to avoid abnormal operation of the equipment caused by inadequate effective resource.

The invention discloses a cloud service-based storage space clearing method and system. The method comprises the steps that a system detects a storage space of the system every a predetermined time and releases a space of a cache directory when detecting that the size of the storage space is smaller than a storage space threshold set by the system; the system judges whether the size of the storage space after release of the space of the cache directory is smaller than the storage space threshold set by the system or not, and if yes, the system sends request information for acquiring a clearable file directory to a cloud server; the cloud server receives the request information and returns the clearable file directory of the system; and the system clears the file according to the clearable file directory and releases the corresponding storage space. According to the method and the system, the storage space can be cleared more thoroughly when the storage space of the system is insufficient, so that numerous abnormal situations during running or application installation of the system in the environment are avoided and the system stability is improved.

The invention relates to an intelligent household security control system. An existing household security control system provides no joint security of doors and windows; smoke detection, leakage detection and the like provide inductive alarms only; home appliances in a house and a security system are not related; components of the security system are connected via wires and are complex to install; and the whole system has no functions of communication and remote control but an alarm function. A S3C6410 chip is disposed in a host of the intelligent household security control system. Components of the intelligent household security control system are connected for control by means of radiofrequency wireless docking. A GSM (global system for mobile communications) module of the intelligent household security control system sends images recorded by a monitor and abnormalities occurring in the house to a user's mobile phone for remote control. The intelligent household security control system has the functions of remote alarm and storing a thief's images, the alarm and the images are sent to the user's mobile phone by short messages and multimedia messages, the home appliances are remotely controlled, and the user can be informed of the abnormalities occurring in the house timely.

The invention provides a synchronous arterio-venous blood exchange transfusion device and system.The synchronous arterio-venous blood exchange transfusion device comprises a detection unit for detecting the artery blood vessel lumen diameter and the vein blood vessel lumen diameter and displaying the detected blood vessel lumen diameter through a display unit, a medical worker can select a most appropriate puncture part hereby to achieve the purpose of 'drawing blood with one prick', the phenomenon that repeated failed puncture exacerbates the pain and mental stress of patients is avoided, and accordingly the severe situations of circulating load exacerbation of the heart, heart failure induction and the like are aggravated.In addition, the volume of drawing blood and the blood drawing speed of a negative-pressure blood drawing pump at the arterial end and the blood transfusion volume and the blood transfusion speed of a blood transfusion pump at the venous end are synchronously controlled through a processing unit.Compared with a manual control mode in the prior art, the consistency can be more accurately ensured in an automatic control mode, and accordingly the safety in the blood exchange transfusion process is ensured while the blood exchange transfusion efficiency is improved.

An embodiment of the invention discloses a method and a device for selecting a network, a mobile terminal and a readable storage medium. The method includes the steps: acquiring the upstream rate of a WiFi network after the mobile terminal is connected with the WiFi network; calculating an upstream load of the WiFi network according to the upstream rate and preset upstream peak rate of the WiFi network; selecting and accessing a corresponding network according to the calculated upstream load. The network is a VoWiFi network or VoLTE network. The method can solve the problem that the VoWiFi network is still mistakenly accessed under the conditions that signals of the WiFi network are strong, and the state of the WiFi network is poor. Abnormal conditions can be effectively avoided when a user surfs the internet or makes a call after the mobile terminal is accessed to the VoWiFi network, and the voice communication quality of the mobile terminal is guaranteed.

The present invention discloses a vehicle dynamic weighing compensation sensor array, system and method. The sensor array comprises: at least one dynamic weighing sensor set, wherein each dynamic weighing sensor set comprises at least two dynamic weighing sensors, and one splicing head is arranged between each two adjacent dynamic weighing sensors in the same set; and at least one compensation sensor, wherein the at least one compensation sensor is arranged at front or back of the at least one dynamic weighing sensor set in a road direction and corresponds to the splicing heads of the at leastone dynamic weighing sensor set. A dynamic weighing system is further improved in the prior art, for the arrangement of the sensor array, the compensation sensors are arranged so as to solve the problem that the dynamic data collection is not accurate when seam pressure / inclined piercing of a vehicle is performed in the prior art; and moreover, the vehicle dynamic weighing compensation sensor system and method solve the same problem.

The invention relates to the computer technical field, and provides a memory parameter configuration method and an electronic device. The memory parameter configuration method is applied to the electronic device, comprising the following steps: when the electronic device is started, saving the memory parameters of a group of each memory chip negotiated at the time; obtaining the number of starts of the equipment; obtaining a group of memory parameters of each memory chip saved each time corresponding to the starting times when the starting times are judged to be less than the starting times threshold; determining the current optimized memory parameters of each memory chip from the memory parameters of each memory chip saved each time, and determining a group of the current optimized memoryparameters of each memory chip; configuring and initializing the memory chip using a set of currently optimized memory parameters for each memory chip. The memory parameters configured by the methodhave high accuracy, which is beneficial to improving the reliability of electronic equipment, and the method can automatically adapt to the electrical characteristics of the electronic equipment itself and reduce the design cost of the electronic equipment.

A method for remote diagnosis of abnormal equipment based on telemetry relates to a diagnosis method. At present, the real-time performance of power grid automation system and the eradication of hopping cannot be taken into consideration simultaneously. The invention comprises a telemetry invariance diagnosis, a telemetry overrun diagnosis, a main transformer bus power flow unbalance diagnosis anda transformer temperature rise abnormal diagnosis. The technical scheme solves the problem that the abnormal situation of the equipment can be detected without affecting the operation performance ofthe EMS by means of using an external plug-in system; deep patrol automatically identifies the data of power network operation at fixed period, searches out the problem information, and displays it through charts and graphs. Monitoring information analysts can analyze the current information obtained through the depth patrol, also can query the historical patrol information and form the same period, ring comparison results, so as to discover the potential problems and security risks in power grid operation; through the depth patrol function, the deficiencies and omissions in the normal monitoring work of the monitors are remedied, so as to further improve the level of safe operation of the power grid.