67results about How to "Data information is accurate" patented technology

The invention relates to a ship location identification method based on multi-source data fusion. The method comprises the following steps: data calibration, wherein ship location data sent by a radarand ship location data sent by an AIS are received, and time shifting and coordinate transformation are carried out, so that unified time and space reference points can be formed by the ship locationdata sent by the radar and the ship location data sent by the AIS; data fusion, wherein the data fusion is carried out on the radar-measured data and the AIS-measured data, which are subjected to thedata calibration, through the normal membership function method; and coordinate prediction, wherein a ship track is predicted through the Kalman filtering algorithm, so that the coordinates of a shipare estimated. The method provided by the invention has the advantages that the data detected by the radar and the AIS are fused through the multi-source data fusion technology, and the ship track ispredicted through the Kalman filtering algorithm to estimate the coordinates of the ship, so that when the ship enters a prohibited area and tends to anchor, the corresponding ship can be automatically warned or expelled for sea area protection.

The invention relates to a vehicle peccancy prompting system and prompting method. A vehicle-mounted wireless communication device is used for obtain a longitude and a latitude of a vehicle and transmits the longitude and latitude information to a cloud server; the cloud server captures massive peccancy data and parses the peccancy data one by one to obtain a peccancy site of the peccancy data, decompilation is carried out on the peccancy site to obtain a longitude and latitude of the peccancy site on an electronic map, and a specific peccancy site is marked on the electronic map. An electronic rail is divided by using the peccancy site as the center of circle on the electronic map; the cloud server receives longitude and latitude data transmitted by the vehicle-mounted wireless communication device in real time; when the received longitude and latitude information transmitted by the vehicle-mounted wireless communication device falls into the electronic rail, the cloud server sends an instruction to the vehicle-mounted wireless communication device; and the vehicle-mounted wireless communication device prompts the driver to pay attention to avoid the peccancy behavior according to the received instruction. Therefore, the vehicle driver can pay attention to the driving speed and the like, thereby avoiding the traffic jam and thus saving the energy and social costs.

The invention relates to an on-line monitoring system and method of engine test data. The on-line monitoring system of the engine test data comprises a data acquisition system and a data display system, wherein the data acquisition system comprises a clock control unit, a data acquisition unit, a data display unit and a data storage unit, the clock control unit is used for providing a time criterion for the data acquisition unit, the data display unit and the data storage unit, the data acquisition unit is used for acquiring the test data of an engine and sending the test data to the data display unit and the data storage unit in real time, the data display unit is used for displaying the received test data in real time, the data display system comprises a data analyzing unit, a curve plotting unit and a display unit, and the data storage unit is used for storing the received test data in real time and transmitting the received test data to the data analyzing unit. The on-line monitoring system and method of the engine test data have the advantages that the problem that errors exist in plotting of an existing engine test curve is solved, real-time plotting of the engine test data curve is achieved, and the engine curve can be accurately plotted in real time.

The invention provides a storehouse cleaning robot system for a cement storehouse. The storehouse cleaning robot system comprises a storehouse cleaning robot and a sliding track, the sliding track is arranged in the cement storehouse, and the storehouse cleaning robot moves along the sliding track to clean hung materials on the wall of the storehouse; the storehouse cleaning robot comprises a scrapping knife device, a conveying device, a crushing device, a distance measuring device and a control box, the scrapping knife device, the conveying device and the crushing device are sequentially connected and communicate with each other, the scrapping knife device is perpendicular to the crushing device, and the control box is arranged outside the cement storehouse; the scrapping knife device comprises combined scrapping knifes and a material collecting mechanism which is arranged below the combined scrapping knifes and communicates with the conveying device; and each combined scrapping knife comprises telescopic drill bits, a rotary knife disc and scrapping knife pieces, telescopic drill bits stretch out and draw back in axial passageways of the rotary knife discs, each scrapping knife piece is provided with a hook structure and a guiding plate, and each hook structure and the corresponding guiding plate form a material storing space with one opening in one side. According to the storehouse cleaning robot system for the cement storehouse, storehouse cleaning cost can be reduced, the storehouse cleaning speed is increased, working environments of workers are improved, and very good market prospects are achieved.

The invention discloses an experimental device for a flow field display. An air inlet and an air outlet are arranged at two ends of a pipeline respectively; a trace gas generating device is arranged in the pipeline and is close to the air inlet; an axial-flow fan is arranged in the pipeline and is close to the air outlet; an observation section is arranged on the pipeline with the trace gas generating device and the axial-flow fan; a model control device is arranged in the observation section; a laser sheet cutting flow field device and an image data acquisition control device are arranged above the observation section; a steady flow tube bundle is arranged in the pipeline between the trace gas generating device and the observation section; a computer is connected with the model control device, the image data acquisition control device and the axial-flow fan through data transmission lines; and a fan frequency conversion control device is connected between the computer and the axial-flow fan. The experimental device is simple and convenient in control, acquires reliable experimental data and is used for qualitative experimental research for a flow field.

The invention aims to provide a refined live-action three-dimensional modeling method based on air-ground fusion. The method comprises the following steps: distributing wall image control points and ground image control points in a measurement region range, and enabling the wall image control points to be distributed at two sides of a road and to be away from the ground by a preset height; obliquephotogrammetry and close-range photogrammetry are carried out along the road section where the photo control points are distributed in the range of the measuring area, and aerial triangulation is carried out respectively; acquiring coordinates of a ground image control point and a wall image control point, and correcting an aerial triangulation result of oblique photography; coordinates of the image control points on the wall are derived from aerial triangulation results of oblique photography, and the aerial triangulation results of close-range photography are corrected; and combining the corrected oblique photography aerial triangulation result with the corrected close-range photography aerial triangulation result to construct a live-action three-dimensional model of the survey area. The problems that ground image control points are not easy to recognize in close-range photogrammetry, and modeling precision is affected are solved. The method has the effect of improving the live-action modeling precision.

The invention discloses a power equipment inspection device based on an RFID (Radio Frequency Identification Device) electronic tag. The power equipment inspection device comprises multiple RFID tags, a handheld inspection terminal, a communication network and a data server located in a monitoring center, wherein the multiple RFID tags are respectively adhered to to-be-inspected power equipment and are used for storing communication information of power equipment in a character string way, and the communication information comprises an ID (Identity), the channel type and the channel parameters of the to-be-inspected power equipment; the handheld inspection terminal is used for reading a character string of the communication information, which is stored in the tags, of the to-be-inspected power equipment, and sending the obtained ID, the obtained channel type and the obtained channel parameters of the to-be-inspected power equipment to the data server through the communication network; the data server is used for receiving and storing inspection data of the power equipment so as to enable each inquire terminal to inquire. According to the power equipment inspection device disclosed by the invention, the inspection data can be transmitted to a management center in time, so that technical staff in the management center can know equipment situations in time, and a technical support is provided for inspection staff.

The invention discloses an unmanned ship inspection system for an offshore wind power plant and a working method of the unmanned ship inspection system, and belongs to the technical field of offshorewind power operation and maintenance. The system comprises an unmanned ship terminal, a shore-based base station and a remote command center. The unmanned ship terminal comprises a control system, a power supply module, a power system, sonar imaging inspection equipment, a motion detection module and a communication module. The control system is connected with the power supply module, the power system, the sonar imaging inspection equipment, the motion detection module and the communication module. The unmanned ship terminal is in communication connection with the shore-based base station through the communication module, and the shore-based base station is in communication connection with the remote command center. The space and the energy utilization efficiency of the ship are improved;the time investment and risk investment of sailors are reduced, intelligent scheduling management of an operation and maintenance plan can be realized, the existing passive operation and maintenance mode of manual detection, periodic maintenance and troubleshooting is improved to an active operation and maintenance mode based on state maintenance, and the inspection efficiency and economic benefits are greatly improved.

The invention discloses an electricity consumption data-based method for rapidly recognizing urban low-efficiency industrial lands. The method comprises the following steps of: collecting road trafficnetworks, lands, enterprises, power supply regions and monthly electricity consumption data of urban industrial land plaques; screening elementary data through development statuses and addresses; modifying default and abnormal elementary data through a variable coefficient method, land areas and monthly land average electricity consumption values; matching the elementary data through a high-definition satellite imagery and geographic coordinates; checking the elementary data through a topological relationship and the addresses; and recognizing the plaques, monthly land average electricity consumptions of which are lower than a national electricity consumption standard, so as to generate an urban low-efficiency industrial land recognition and distribution diagram. According to the method,urban low-efficiency industrial lands are recognized on the basis of industrial electricity consumption data, so as to evaluate whether the urban industrial land plaques are sufficiently utilized or not and whether the urban industrial land plaques have re-developing potentials or not, thereby realizing efficient and sustainable utilization of the urban industrial land plaques.

The invention relates to a vehicle following early warning method based on V2X, which is applied to a current vehicle in communication connection with a pilot vehicle. The method comprises the following steps: sending a vehicle following instruction, and receiving the vehicle following information of the pilot vehicle; obtaining V2X information of a pilot vehicle; analyzing and processing the V2Xinformation, and calculating a potential danger threshold value of the pilot vehicle; judging whether the danger threshold value is less than a preset safety threshold value or not: if yes, sending out a danger warning, and if not, continuing to judge. The brand-new vehicle following system based on V2X is different from a conventional mode that the vehicle following posture is adjusted by collecting front vehicle information on the basis of a main vehicle unilaterally, real-time information communication between the current vehicle and a pilot vehicle and between the current vehicle and an RSU (road test unit) can be achieved, and therefore more real-time and more accurate data information can be obtained, so that the vehicle following posture can be adjusted by the system.

The invention relates to the technical field of water purification plants, and discloses a modular intelligent water plant which comprises integrated water purification equipment, a modular adjusting water tank, a modular equipment room and a modular dosing room. The integrated water purification equipment comprises a flocculation unit, a precipitation unit and a filtering unit; the modularized equipment room comprises a backwashing water pump, a backwashing fan, a raw water turbidity monitoring instrument, factory water multi-parameter online water quality monitoring equipment, a plant water pump group, an automatic control system, a large-screen display system, a container type equipment room and the like; the modularized dosing room comprises an intelligent flocculant dosing device, a disinfectant preparation and dosing unit and a container type equipment room; the modularized adjusting water tank comprises a backwashing water tank and a clear water tank. The modularized intelligent water plant can realize modularization, informatization and automation of a plant area in a real sense.

The invention discloses a building information model segmentation method, device and system and a computer readable storage medium, and the method comprises the steps: carrying out the post-cast strippath drawing of a to-be-segmented building information model, and obtaining a corresponding post-cast strip path; generating a post-cast strip entity area corresponding to each target component modelin the building information model according to the post-cast strip path and the post-cast strip parameter information; and cutting each target component model according to the boundary line of each post-cast strip entity region and the corresponding target component model to obtain a plurality of sections of component sub-models and post-cast strip entity models corresponding to the correspondingtarget component models. In the using process, a worker can select any section of component sub-model or post-cast strip entity area to check parameter information and calculate the engineering quantity according to requirements, accurate data information is provided for subsequent construction, and the construction efficiency is improved.

The invention relates to the technical field of data privacy protection, and discloses a big data-based data release privacy protection algorithm, which comprises the steps of obtaining a to-be-released data table, and obtaining a statistical histogram of to-be-released data according to an attribute value division result of the to-be-released data; converting the statistical histogram of the to-be-published data into a k-fork interval tree, adding noise to the k-fork interval tree to disturb the k-fork interval tree to obtain a noise-added interval tree, and approximately converting the noise-added interval tree into an average histogram; constructing an integrated classification function based on feature selection; solving the integrated classification function by using an L-BFGS optimization algorithm to obtain a classification result of the to-be-published data; and clustering the to-be-published data according to the classification result of the to-be-published data, performing data privacy protection by utilizing a clustering-based personalized anonymous algorithm, and publishing the private data at the same time. The invention further provides a data release privacy protection system based on the big data. According to the invention, the protection of private data is realized.

The invention discloses a submerged arc furnace electrode in-furnace depth automatic measuring system. The system comprises a voltage-release meter counter installed on a submerged arc furnace electrode holder, a temperature measuring device installed on the furnace wall of a submerged arc furnace, and a voltage acquisition module for acquiring the voltage of the high-voltage side of the submerged arc furnace. A submerged arc furnace electrode in-furnace depth automatic measurement method comprises the following steps: S1, continuously collecting temperatures of 45 thermocouple point locations, and collecting current data of high-voltage side voltage, low-voltage compensation current, transformer bushing current, phase transformer gear and active power; by setting the temperature field and combining the low-voltage compensation current, the transformer gear signal, the electrode voltage release parameter and the transformer bushing current, operation errors caused by different teams and groups are reduced, the normal production time is prolonged, the labor intensity of workers and errors caused by manual operation are reduced, the safety is improved, and the production efficiency is improved. And transformation from raw material production to digitization, networking and intelligentization can be realized, and the accuracy of digitization production is improved.

The invention discloses an online inquiry processing method which comprises the following steps: receiving a user request instruction, and selecting patient data; receiving a user label and patient sign measurement data, establishing a patient condition model according to the user label, the patient sign measurement data and the patient data, and storing the patient condition model in a patient database; performing similarity calculation on the patient condition model, and extracting a recommended condition model consistent with the patient condition model in similarity from the patient database; and recommending case information corresponding to the recommended illness state model to a target patient. According to the technical scheme, the patient condition model is constructed and the similarity is calculated, and the corresponding case information is recommended to the target patient by the recommended condition model with the consistent similarity, so that the technical problems that the existing online inquiry strategy is low in efficiency and cannot meet the user demand are solved, accurate data information can be quickly provided for the patient, and the online inquiry efficiency is improved.

An edge sharpness tester determines the level of sharpness of a cutting edge of a knife, razor blade, scalpel, or other tool having a sharp edge. A motive force is applied to a moveable element of the device. The movable element provides an interface with the edge of the sharp-edged device to severe a line mounted in the moveable element.

The present invention relates to a sampling assembly and a sampler, and belongs to the field of equipment for environmental scientific research. A purpose of the present invention is to extract a sediment sample and reduce error during sample layering. The main technical scheme is that the sampling assembly comprises a hollow cylinder, a plurality of dividing units, a supporting sheet and a pushing rod, wherein the hollow cylinder is vertically inserted into a sediment and extracts a sediment, the dividing unit has a ring shape matched to the cavity of the hollow cylinder and has a predetermined thickness, the total thickness of the plurality of the dividing units is the same as the height of the hollow cylinder, the plurality of the dividing units are sequentially and adjacently placed into the hollow cylinder and are used for bearing the sediment, the external shape of the supporting sheet is the same as the external shape of the dividing unit, the external size of the supporting sheet is the same as the external size of the dividing unit, the supporting sheet is arranged at the lowermost end of the plurality of the dividing units and is used for supporting, the cross-section shape of the first end of the pushing rod is the same as the shape of the supporting sheet, and by pushing the supporting sheet, the dividing units are pushed out from the hollow cylinder.

The invention discloses a talent evaluation system based on a big data algorithm, and the system comprises a data sharing platform, a data input unit, an evaluation unit, a monitoring unit, and a screening unit. The data sharing platform is connected with the data input unit, the data sharing platform is connected with the evaluation unit, the data sharing platform is connected with the monitoringunit, and the data sharing platform is connected with the screening unit; the data input unit is connected with the evaluation unit, and the data input unit is connected with the screening unit; theevaluation unit is connected with the monitoring unit; the system is based on an evaluation unit and a data sharing platform. According to the system, sufficient evaluation and data mining can be carried out on the ability of the applicant, so that the evaluation setting direction is consistent with the enterprise recruitment direction, the applicant can discloses the quality, professional ability, communication ability, cooperation ability, demand salary and the like of the applicant through the system, and the talent selection efficiency of the enterprise is improved.

The invention discloses an information processing method and electronic equipment. The method includes: acquiring data information about plantar pressure on a planta; based on the data information about the plantar pressure, acquiring at least one plantar pressure feature point; determining at least one feature position, of the at least one plantar pressure feature point, on a shoe, wherein the at least one feature position is a position for mounting of a pressure sensor. Through the technical scheme provided by the invention, the information processing method is used for solving the technical problem that the electronic equipment in the prior art has relatively low accuracy when being used for monitoring the plantar pressure of a user.

The invention provides a method for detecting the content and components of gentamicin in fermentation liquor by using HPLC-ELSD. The method comprises the following steps: preparing a gentamicin reference substance solution, treating a fermentation liquor sample, drawing a standard curve, detecting by using HPLC-ELSD, and calculating the content and components of gentamicin in the sample by using a standard curve method. The method has the beneficial effects that sample treatment steps are simple, derivatization reaction or resin adsorption is not needed, and detection is more convenient and timely; the detection specificity is high, the separation effect is good, and the chromatographic peak of each component of gentamicin in a sample can be effectively identified; the accuracy of the detection result is high, and the average value of the standard recovery rate of each component is 99.3%-101.6%; the repeatability and the durability are good, and the relative standard deviation is smaller than 2%; the method can be used for simultaneously measuring the total content of gentamicin and the proportion of each component concerned in pharmacopeia.