160results about How to "Guarantee normal" patented technology

The invention relates to an AI ophthalmological health detecting method and its detecting method, and belongs to the technical field of ophthalmological health detection. The detecting device comprises an eyes information collecting module (1), a master board (2), a voice interaction module (3), a user interface (4), a network communication module (5), a cloud calculation module (6) and an outputmodule (7); the eyes information collecting module (1), the master board (2), the voice interaction module (3), the user interface (4), the network communication module (5), and the output module (7)are connected through wires and the master board (2); the network communication module (5) is connected to the cloud calculation module (6) through a wireless network. The AI ophthalmological health detecting method and its detecting method have the advantages of high humanization degree, high detecting efficiency and high detection result quality; therefore, the AI ophthalmological health detecting method and its detecting method can be widely applied to a market.

The invention provides an equipment fault diagnosis and abnormality detection method and system based on a multi-Gaussian model. The equipment fault diagnosis and abnormality detection method based onthe multi-Gaussian model comprises the following steps: extracting time domain and frequency domain characteristics from an equipment vibration sound signal, establishing the plurality of Gaussian models according to the distribution condition of characteristic dimensions, and establishing a final abnormality judgment Gaussian model according to a probability density mean value obtained by each type of data on the multi-Gaussian model. And a final abnormal detection judgment result is given through a result given by the model and a set fault-tolerant threshold value. The method has the advantages of being high in noise interference resistance, high in fault diagnosis precision and capable of meeting various unknown abnormal detection requirements.

The invention discloses a WLAN and LTE parallel system in vehicle ground communication. The system comprises an on-vehicle device, an LTE-M system which communicates with the on-vehicle device, and aWLAN system which communicates with the on-vehicle device. On a vehicle segment covered by a vehicle-ground network, a 3-layer routing device of the LTE-M system is connected with a 3-layer switch ofthe WLAN system. According to the WLAN and the LTE-M system parallel working scheme provided by the invention, a network system with poor communication quality can switch to another network system; normal vehicle ground communication is realized; and normal operation of a train is realized.

The embodiment of the invention provides a random matching grouping method and device and an application server. The method comprises the steps that matching grouping requests sent by target users areobtained; according to first accounts of the target users, historical application data of the target users is retrieved from an application database of a first application platform; according to thehistorical application data of the target users, the credit scores of the target users on the first application platform are determined; according to the credit scores, the matching sequence of the target users in a team waiting queue is determined; the first accounts of the target users are associated with a group identifier of a matching team according to the matching sequence, and a team matching result at least including the group identifier is sent to the target users. By means of the method, the reliability of the matching result of random matching grouping can be improved.

The invention discloses an inspection image quality evaluation method and system based on saliency detection, and the method comprises the steps: carrying out the preprocessing of an original inspection image through a saliency detection algorithm based on the combination of a global part and a local part for a to-be-evaluated inspection image, and obtaining a saliency map of the inspection image;and based on the saliency map, using an edge description-based algorithm to calculate and obtain two indexes for describing the image ambiguity, and obtaining a quality score of the whole image according to the ambiguity indexes. In addition, the convolutional neural network algorithm based on deep learning adopts a partitioning evaluation strategy to calculate and obtain another quality scoringresult of the image; and finally, comprehensively processing evaluation results of the two algorithms by adopting a weighted fusion strategy to obtain a final score of the image quality.

The invention discloses a cable shielding layer grounding performance monitoring device and method based on complex impedance measurement. The device comprises an upper computer. The upper computer is connected with a shielding efficiency monitoring terminal. The shielding efficiency monitoring terminal is connected with a current transformer and a measurement mutual inductor. The current transformer and the measurement mutual inductor are respectively coupled to a grounding wire of a communication cable shielding layer to be monitored. The shielding efficiency monitoring terminal couples an excitation voltage signal to the grounding wire through the current transformer. The measurement mutual inductor is used for receiving a corresponding response current signal, measuring the amplitude and the phase of the response current signal and further feeding the amplitude and the phase of the response current signal to the shielding efficiency monitoring terminal. The shielding efficiency monitoring terminal calculates the complex impedance of the cable shielding layer to the ground and uploads the complex impedance to the upper computer. The upper computer judges the change range of the complex impedance and determines that the cable shielding layer is aged, corroded or damaged in a non-open-circuit type if the change range of the complex impedance exceeds a set range.

The invention provides ceramsite brick hardness detection device. The ceramsite brick hardness detection device comprises a supporting rod transverse beam, an elastic bearing plate, a liquid crystal display screen, a counter weight supporting base, a counter weight pressure plate, a smooth horizontal type pressure-resisting plate and a motor, wherein the supporting rod transverse beam is mounted at the top of a safe protection supporting rod; the counter weight pressure plate is mounted in the safe protection supporting rod; the smooth horizontal type pressure-resisting plate is mounted at the bottom of the counter weight pressure plate; the elastic bearing plate is mounted at the bottom of the safe protection supporting rod; the counter weight supporting base is mounted at the bottom of the safe protection supporting rod; the liquid crystal display screen, a starting button and an operation knob are arranged on the counter weight supporting base; the motor is mounted at the bottom of the counter weight supporting base. Compared with the prior art, the ceramsite brick hardness detection device has the following beneficial effects that a solenoid valve at the bottom of a retractable rod and the counter weight pressure plate are arranged, so that the ceramsite brick hardness detection device has two manners of impact force detection and pressure-resisting detection, and a hardness detection result is more accurate.

The invention discloses an indoor and outdoor inspection robot integrated system and an inspection robot navigation method. The indoor and outdoor inspection robot integrated system comprises a robotbrain, a robot body, a binocular camera, inertial navigation, laser radar, an infrared laser emitter, an infrared laser distance measuring instrument, a wireless network card, signal relay devices, a4G (the fourth generation of mobile phone communication technology standards) signal receiver and a server terminal. The robot brain can be in data communication with the server terminal via the wireless network card and the signal relay devices and also can be in data communication with the server terminal via the 4G signal receiver; the binocular camera is fixed to the top of the robot body, andthe infrared laser emitter is fixed to a position between two lenses of the binocular camera; information can be transmitted between the robot brain and each of the binocular camera, the inertial navigation, the laser radar, the infrared laser emitter and the infrared laser distance measuring instrument. The indoor and outdoor inspection robot integrated system and the inspection robot navigationmethod have the advantages that an inspection robot can be effectively communicated with the server terminal indoors and outdoors and can be accurately navigated, and high-precision feature point maps can be built.

The invention discloses a multi-service gateway-oriented flow limiting and automatic capacity expanding and shrinking method. The method comprises the following steps: providing OpenResty, compiling the service parameters and the OpenResty source code through a cluster makefile, dynamically generating an nginx.conf file, deploying a service gateway corresponding to the service according to the nginx.conf file, counting the flow of each service, and sending the flow to a gateway system; the service passing through the load of the service according to the zabbix and sending the load to the gateway system; the gateway system monitoring the flow and the load in real time, and when the flow and the load are not matched, performing automatic capacity expansion and shrinkage. According to the multi-service gateway-oriented flow limiting and automatic capacity expanding and shrinking method provided by the invention, the number of servers can be increased in a peak period on the basis of flowlimiting, the normal service is ensured, the servers are returned in a valley period, and the cost is reduced.

The invention discloses a mortar mixing station and a control system thereof. The control system of the mortar mixing station comprises a weighing sensor, a signal converter, a programmable logic controller and a touch screen, wherein the signal converter is used for converting analog signals from the weighing sensor to switching signals and transmitting the switching signals to the programmable logic controller; the programmable logic controller is used for calculating corresponding weight data according to the switching signals, receiving production parameters and / or action commands set by the touch screen and logically controlling the production process and action; the touch screen is used for acquiring state data including the weight data from the programmable logic controller, setting the production parameters and / or the action commands, transmitting the production parameters and / or the action commands to the programmable logic controller, monitoring the production process and managing the data. By the aid of the control scheme, the spatial size of a control room and the scale of a mixing plant can be decreased, and the integration level of the mixing plant is improved.

The invention relates to the technical field of motor protection mode in industrial production, The invention particularly relates to an intelligent monitoring and early warning system of motor protector based on internet of things and a method for monitoring motor protector according to the system. The original data of motor protector, including three-phase current, three-phase voltage, active power, active power and electric energy, running state and the like, are processed through DTU-4G module accord to Modbus-A TCP protocol upload data to a database on a cloud server for storage, At the same time, the system includes Web page, Android APP and IOS client program. Each client program reads the data from the database in the cloud server and pushes it to the user for viewing and processing, which provides great convenience for the on-site maintenance personnel.

The invention relates to a grade evaluation method and system for an intelligent wearable product. The method and system accept the user test data of an intelligent wearable product, and conduct quantification on the user test data according to a preset choice grade to obtain an evaluation factor set. According to the evaluation factor set, a grade-estimation fuzzy evaluating matrix of the intelligent wearable products is built, and according to the grade-estimation fuzzy evaluating matrix and weight calculation of correspondingly preset evaluation factors, comprehensive evaluation results are obtained. According to a grade assignment corresponding to the choice grade, the comprehensive evaluation results undergoes converting to obtain and output the grade of the intelligent wearable product. According to the user test data of the intelligent wearable product, the method and system reasonably quantify the factors that affect grade evaluation of the intelligent wearable product, then build a grade-estimation fuzzy evaluating matrix to calculate comprehensive evaluation results, and convert the comprehensive evaluation results to obtain the evaluation grade of the intelligent wearable product. The method and system make evaluation in the fuzzy environment assured at the aspects of comprehensiveness and rationality, and achieve intuitive and effective grade evaluation of the intelligent wearable product.

The invention relates to a ground laboratory remote sensing flight simulation platform and a control method. According to the ground laboratory remote sensing flight simulation platform, a seat groundrail, a floor, a wiring box, a non-airtight opening airtight cover, a downward-looking optical window, a photographing cabin door, a non-airtight protection door manual opening mechanism and a satellite navigation signal simulator are installed in a cabin; the truss is connected with the bottom of the fuselage, the nacelle is connected with the truss, and the radome is installed on the outer surface of the fuselage. The fuselage mounting bracket is mounted below the fuselage structure; the boarding ladder is mounted at a doorway on the side surface of the fuselage; one end of the power supplysystem is arranged outside the fuselage, and the other end of the power supply system is arranged in the cabin; by building the remote sensing flight simulation platform, installation, airworthinesstest, joint debugging test, task planning, flight simulation and other work of various remote sensing devices can be completed in a laboratory.

The invention provides a kiln door opening and closing device. The device comprises a bracket mechanism and a kiln door state detection assembly, wherein the kiln door state detection assembly is connected with the bracket mechanism and used for detecting the state of a kiln door. According to the provided kiln door opening and closing device, the state of the kiln door can be detected so that people can find problems and solve the problems in time; the kiln door and the bracket mechanism can be protected, the safety is high, the reliability is high, and normal curing of concrete components can be ensured.

The invention discloses a bittern or seawater ultrafiltration pre-treatment process and system. The bittern or seawater ultrafiltration pre-treatment process and system can provide filtered water meeting water feeding requirements of nanofiltration. Every process cycle of the bittern or seawater ultrafiltration pre-treatment process sequentially comprises a filtering step, a water producing step, a cleaning step and a discharging step, wherein the cleaning step comprises processes including gas wiping, gas-water backwashing and gas exhausting. Bittern or seawater is filtered through a cartridge filter and precisely-filtered liquor is filtered through a ultrafilter membrane filtering device to produce water; the gas exhausting process comprises that, during a membrane module exhaust process, oilless compressed air is inlet to the water inlet side of membrane yarns, and compressed air and water are mixed and oscillated to act on the surface of the membrane yarns; during the gas exhaust process, the water level decreases continuously, the gas-water washing strengths of the cross sections at different horizontal heights change, so that the membrane yarns can be cleaned from top to bottom. The bittern or seawater ultrafiltration pre-treatment process enables the bittern and seawater to be treated in a membrane filtering mode, thereby reducing the purification cost and simplifying the purification process, and through stable water output, prolongs the service life of nanofiltration membranes and guarantees stable operation of a nanofiltration system.

The invention discloses a live broadcast room microphone connection authority detection method, a storage medium, equipment and a system, and relates to the technical field of network live broadcast,the method comprises the following steps: extracting live broadcast room information of a to-be-detected live broadcast room; obtaining live broadcast room information, and comparing data in the livebroadcast room information with data in a preset microphone connection permission database; and if the live broadcast room anchor grade is matched with the microphone connection permission anchor grade range and the live broadcast room number or the live broadcast room classification is matched with the microphone connection permission room number list and the microphone connection permission roomclassification list correspondingly, enabling the to-be-detected live broadcast room to pass microphone connection permission detection. According to the invention, microphone connection authority detection is carried out through a simple and fast data comparison mode, guarantee is provided for normal operation of live broadcast work, and convenience is provided for the live broadcast work.

An intelligent risk control platform for a commercial vehicle comprises an Internet of Vehicles intelligent terminal, a risk grading processing module, an equipment abnormity monitoring module, a customer service online intervention module, a risk false alarm feedback module, a data statistical analysis module, a driver portrait module, a basic information management module and a cloud database. The risk grading processing module comprises a risk prediction module; the vehicle risk can be accurately identified, the risk is intervened in time, the risk management and control efficiency is improved, and the accident occurrence rate is effectively reduced; equipment abnormity is detected and tracked by means of the platform, an operation and maintenance group is built or an operator maintenance group is managed and controlled, and normal use of the equipment is guaranteed. And the platform performs deep data mining analysis on the safe operation condition of the motorcade, automatically generates a vehicle driving data report, and performs visual display. And perceptibility, quantification and decision making of the motorcade safety management condition are realized.

The embodiment of the invention provides a network diagnosis processing method and device, a network system and a server. When it is detected that the network communication behavior between the firstremote medical terminal and the second remote medical terminal is abnormal; determining a to-be-diagnosed item corresponding to the network communication behavior, and then further determining a target diagnosis item having a business relation with the current to-be-diagnosed item, so that when the current to-be-diagnosed item is subjected to network diagnosis, the target diagnosis item is subjected to network diagnosis together, and each current to-be-diagnosed item and the corresponding target diagnosis item are repaired. Therefore, network diagnosis and restoration are carried out on the target diagnosis item having the business relation with the current item to be diagnosed; according to the invention, the possible abnormal condition of frequent service cooperation after the repair inthe traditional scheme can be effectively avoided, the reliability of fault repair is effectively improved, and the normal operation of the whole service process is guaranteed.

The invention relates to a lake wetland landscape health condition evaluation method based on the remote sensing interpretation technology. The method comprises the steps: collecting the representative remote sensing image data of a lake wetland in different years, and extracting the wetland landscape information based on the watershed scale through the remote sensing interpretation technology; designing a wetland landscape layer-by-layer aggregation index system which comprises a target layer, a criterion layer and an index layer based on the above; carrying out the importance assignment of the evaluation indexes of the criterion layer and the index layer through the '9 / 9-9 / 1' scale of an improved AHP (Analytic Hierarchy Process) method, calculating the weights of the evaluation indexes,and carrying out the dimensionless processing of the original data of the evaluation indexes through an extremum method; finally calculating and obtaining the lake wetland landscape comprehensive health index of each year, carrying out the health level threshold dividing of the landscape comprehensive health indexes, and determining the lake wetland landscape health state of each year. The methodcan achieve the more systematic and complete revealing of the wetland landscape pattern features and dynamic changes of the wetland landscape pattern features.

The invention discloses a database migration method and device. The method comprises the steps that from the starting time of migrating data from an original database to a target database, write operation of non timeliness data generated by service in the original database from the starting time is recorded through a database agent layer, and closure points are recorded; after the data is migrated to a target database, according to records of the database agent layer, write operation of non timeliness data generated by the service in the original database is replayed sequentially piece by piece in the target database till the closure points stop operating. By means of the technical scheme, data loss in the data migration process can be avoided. Normal operation of the service is guaranteed.

The invention relates to a pure tone audiometric and psychophysical tuning curve detecting system which comprises a computer, a multimedia sound card, a handheld USB (universal serial bus) handle, a miniature loudspeaker and an earplug. At least two buttons are arranged on the handle, the miniature loudspeaker comprises at least two electricity-sound transducer, and an input end of the miniature loudspeaker is connected with the sound card while an output end of the miniature loudspeaker is connected with the earplug; an audiometer platform is arranged in the computer and comprises a hardware driving system and a test executing system; and the hardware driving system comprises a sound card driver connected with the sound card and a multimedia programming interface connected with the handle, and the test executing system comprises a pure tone audiometric detecting module and a psychophysical tuning curve detecting module. The pure tone audiometric and psychophysical tuning curve detecting system not only can carry out complete pure tone audiometry, but also can carry out psychophysical tuning curve detection, and can be widely applied to comprehensive detection for an auditory system of a testee.

The invention provides a telescopic radar mount, and mainly relates to the field of detection equipment. The telescopic radar mount comprises an accommodating cavity. The top part of the accommodatingcavity is provided with a cover. The bottom part of the accommodating cavity is provided with bottom rods. There are multiple bottom rods. The top parts of the bottom rods are provided with cylindercavities which are internally provided with telescopic devices. There are multiple telescopic devices which comprise telescopic rods corresponding to the bottom rods in a one-to-one way. The telescopic rods are internally provided with slide cavities. The side walls of multiple telescopic rods are provided with row teeth. The top part of the uppermost telescopic rod is provided with a placing table. The top surface of the placing table is provided with the radar. The top part of each telescopic rod below the uppermost telescopic rod and the top part of the bottom rods are provided with installing plates. The beneficial effects of the telescopic radar mount are that the radar can be retreated in the peacetime or under the attack of enemy fire so that the damage to the radar equipment causedby the severe weather and the enemy fire can be reduced and normal operation of the detection function in the war can be guaranteed.

The invention discloses a sealed moisture-proof electrical power distribution box and relates to the technical field of power distribution boxes. The sealed moisture-proof electrical power distribution box comprises an outer box body and an outer box cover. An inner box body is fixed to one inner side of the outer box body; an air inlet hole and an air outlet hole are formed in the opposite innerwalls of the inner box body respectively; a first U-shaped clamping slot is fixedly formed in one side face of the inner box body; a second U-shaped clamping slot is fixedly formed in one inner wall of the inner box body; a second moisture absorbing plate is matched with the inner wall of the second U-shaped clamping slot; the inner wall of the first U-shaped clamping slot is matched with an air intake and dehumidification assembly; the air intake and dehumidification assembly includes a clamping block, ventilating adjustment plates and a push block. By designing the outer box body, the outerbox cover, the inner box body, an inner box cover, the air intake and dehumidification assembly, a first exhaust fan, a rectangular box and a second exhaust fan, a box body is sealed and also dividedinto two spaces for separate dehumidification, and the whole box is small in size and solves the problems that existing power distribution boxes with dehumidification functions are generally large insize, mostly conduct open dehumidification and cannot meet requirements of an underground environment.

The invention provides a feed transducer for detecting differential mode leakage current of a power cable. The feed transducer comprises a signal processing circuit and two inductive electrodes, wherein, the two inductive electrodes are respectively connected with an anode and a cathode of a differential amplifier in the signal processing circuit, and the signal processing circuit converts leakage current signals acquired by the inductive electrodes and outputs feed signals. The feed transducer has the advantages of strong anti-jamming capability and higher sensitivity, and is convenient in use; and particularly metal sheets of the inductive electrodes are sealed by a special high-temperature solar waterproof sealant with resistance to crack and horizontal tear, thus ensuring that the system can be used in a mine, even being soaked in the sewage with high pollution, high content of dust and electrolyte.

The invention discloses an aging detection method and an aging detection device. The method comprises the steps as follows: when the temperature of an environment reaches a preset temperature, messages are constructed for LAN port test to count sent packets and received packets so as to determine the high-temperature dynamic aging test result under data service test; call protocol process operation is simulated through voice service test to determine the high-temperature dynamic aging test result under voice service test; and a Beacon frame is detected through WLAN service test to determine the high-temperature dynamic aging test result under WLAN service test. The invention provides a solution to the problem in the related technologies that the repair rate of veneers is high, and aims to exclude pseudo soldering of hardware and damage to LED lamps in the production process, ensure normal basic data and voice service flow and improve the production efficiency and quality. Therefore, the reliability of test is improved, problematic veneers are better intercepted, and the repair rate of veneers is reduced. The cost is lowered, and the quality of products is improved.

The invention relates to the network security protection technology and discloses a business system safety protection method based on flow monitoring, automatically switching between a cloud protection mode and a local protection mode, and reducing the protection cost under the condition that the continuous operation of a business system is guaranteed. The method comprises the steps of locally establishing a foundation protection measure on the business system, monitoring the flow data when the business system operates normally, automatically switching to the cloud protection measure when theflow data reaches a switching threshold value condition, and timely switching to the local protection measure by monitoring the flow data and the protection effect of the business system at the cloudmanufacturer at the cloud protection stage.

The invention discloses an automatic bathing machine, belongs to the technical field of bathing machines, and aims to solve the problems that some parts which cannot be touched by hands cannot be effectively cleaned and special crowds cannot independently complete bathing in the prior art. The automatic bathing machine comprises a seat supporting body and a scrubbing part arranged on the seat supporting body, wherein the scrubbing part at least comprises a back scrubbing block which is arranged on the seat back and is driven by a driving mechanism to do reciprocating motion in the vertical direction of the seat back, an upper arm scrubbing block which is arranged on the arm support and is driven by a driving mechanism to reciprocate in the vertical direction of the seat back, a forearm scrubbing block which is arranged on the arm support and is driven by the driving mechanism to reciprocate in the horizontal direction, a thigh scrubbing block which is arranged on the seat and is drivenby the driving mechanism to do reciprocating motion in the horizontal direction, and a shank scrubbing block which is arranged on the leg support and is driven by a driving mechanism to reciprocate along the axis direction of the leg support.

The invention discloses paint. The paint comprises the following components according to every one hundred parts by weight: 25-30 parts of white cement, 20-25 parts of titanium dioxide, 18-22 parts of activated chalk, 15 parts of white quartz powder, 2.5-3.5 parts of particulate silicic acid, 1-1.5 parts of calcium chloride, 0.5-1 part of cuprous chloride, 1.5-2.5 parts of diatom powder, 1.5-2.5 parts of bentonite, and 3-4 parts of polyacrylamide. The calcium chloride is food grade calcium chloride. The white cement is in a 325 type. The titanium dioxide is in a rutile type. The paint is safe, environment-friendly, dampproof, anti-condensation, anti-ice, mildew proof, capable of purifying indoor air and adsorbing peculiar smell, low in cost, free of peculiar smell, nonflammable, and capable of being applied to fitment-coating of the inner surfaces of buildings of various industries and houses, wherein the market-set price of solid objects of the paint is 20 yuan / kg, the situations that due to moisture condensation on the surfaces of the buildings, water dripping, water flowing, mould breed and spread, even crack which results in collapse and falling off of a surface layer are caused are avoided, and normal production and living health and safety of people are guaranteed.

The present disclosure discloses a positioning and ranging method and device, communication equipment and a storage medium, and relates to the field of communication technology. The method includes: sending a configuration of a frame structure to a terminal device, the frame structure including a first time unit, and the first time unit being used for positioning and / or ranging; wherein the working frequency of the frame structure belongs to a frequency band not less than 6GHz. In the embodiment of the present disclosure, the network device configures the terminal device with the frame structure including the first time unit. The working frequency of the frame structure belongs to a frequency band not less than 6 GHz. Since the first time unit is used for positioning and / or ranging, the terminal device can use the time-frequency resource on the first time unit to perform positioning and / or ranging, thus avoiding the situation that there is no time-frequency resource for positioning and / or ranging.