30results about How to "Valid reference" patented technology

The invention provides a method for predicating the thundercloud cover area based on a lightning locating system. The method comprises the following steps that a clustering anslysis database is established; lightning data within the same time period are obtained, and the distance between the peripheral lightning of each lightning point and the lightning point is worked out according to each lightning point; a lightning data spatial position relation table is established according to the lightning points and the distances; the density relationship between any two lightning points is worked out; clustering is conducted on the lightning data according to the density relationship, so that a thunder storm cloud cluster is generated, the position feature point of the thunder storm cloud cluster is obtained; if the position feature point moves, the movement trail of the position feature point is obtained; according to the movement trail, the movement speed and the movement direction are obtained; the position of a thunder storm cloud cluster of a next time period is predicated according to the movement speed and the movement direction; the thundercloud cover area of the next time period is predicated according to the position. By the adoption of the method for predicating the thundercloud cover area based on the lightning locating system, errors can be reduced, and the prediction precision is high. The invention further provides a system for predicating the thundercloud cover area based on the lightning locating system.

The invention discloses a glasses customizing method. The glasses customizing method comprises the following steps: S100, optometry is performed on a customer by a professional optometric instrument;S200, the customer selects a glasses frame through a virtual device, and preliminary customizing requirements of the customer are determined; S300, detail customizing requirements of the customer forspecial dimensions are further determined; S400, a 3D model of a glasses wearing part of the customer is made; S500, a designer designs glasses and draws a making drawing of the glasses according to the customizing requirements proposed by the customer in S200 and S300 and 3D model information acquired in S400; S600, the drawing is transmitted to a cloud factory, a maker makes the glasses according to the drawing and the 3D model of the customer. With adoption of the glasses customizing method, the customer can select appropriate glasses pattern with application of an AR technology, the glasses meeting actual conditions of the customer can be made by comprehensive application of a 3D printing technology, the user experience is good, and the matching degree of the customized glasses with the customer is high.

The invention relates to an engineering project cost prediction method based on a Markov grey model. The method comprises the following steps: acquiring an original data column X(0); predicting the gray scale of the original data column X(0); obtaining an absolute value data column epsilon(0) of the residual error; performing gray scale prediction on the residual absolute value data column epsilon(0); constructing a new equation in combination with gray prediction of the original data column X(0) and a gray prediction equation of the residual absolute value data column epsilon(0), and solvingto obtain a residual symbol function sgn(k) of gray prediction; and combining and constructing a final prediction equation, and solving the final prediction equation to obtain a prediction value of the original data column X(0). According to the invention, prediction of a set cost index can be realized; and the Markov model-based residual error correction model introduced into the model can well correct the prediction deviation of the original GM(1, 1) grey prediction model, higher prediction precision is realized, and the future cost of the project is effectively estimated, so that an effective reference basis is provided for the cost management decision in the construction process of the engineering project.

The invention provides an intelligent medical history collecting method and device, and a mobile collecting device. The method comprises steps that the inquiry voice information is emitted according to preset rules, and the patient condition information based on the feedback of the inquiry voice information is collected; the patient condition information is identified, and keywords in the condition information are obtained in combination with multiple pre-stored condition feature points; the image information of test sheets of a patient is taken, and the image information is identified to obtain the related information of test items in which multiple test items are abnormal; pre-stored medical record templates are called, and the medical history summary information is generated based on the medical record templates, the keywords and the related information of the test items with abnormality. The method is advantaged in that the summary condition of the patient can be obtained through intelligent voice inquiry, the medical history summary information is generated in combination with the related information of the test items in the test sheets obtained through photographing, the effective reference information is provided for follow-up doctors to visit the patient, and the consultation time is saved.

The invention discloses a computer-assistant femoral intertrochanteric fracture positional and alignment semi-automatic restoration method including: 1) with the broken bone three-dimensional model generated by a CT image as an information input source, extracting the geometric information and topologic relationship of the three-dimensional network model; 2) extracting the fracture surface and related force lines of caput femoris and femoral shaft; 3) determining a restoration position required in clinical medicine by means of a positional-alignment iteration method to complete the semi-automatic restoration of the intertrochanteric fracture. In the invention, on the basis of basic requirement on the closed reduction of the femoral intertrochanteric fracture, medical requirement on the broken bone joint is satisfied; then by means of positional-alignment iteration for calculation, preoperative planning demand of medical personnel is satisfied and working efficiency is increased just through a less amount of human-computer interaction.

The invention discloses a 220 kV transformer station binding type reactive compensation capacity configuration method, comprising selecting f 220 kV transformer stations which are communicated through 220 kV circuits to bind the transformer stations to a target group, determining boundary groups, a target circuit, boundary circuits, and boundary points, acquiring parameters of a main transformer and circuit models; then, predicting active power sent by a target group main transformer, power factors, and reactive flow direction factors under a large method and a small method, and active power transmitted by a target circuit, active power transmitted by the boundary circuits, power factors on the boundary points, and transmitted reactive flow direction factors; then, calculating total reactive load of the target group, and reactive power of the boundary circuits flowing from the boundary points to the target group; and finally, calculating inductive and capacitive reactive compensation total capacity of the target group, and according to a power transformation capacity equipartition principle, performing configuration. The method is suitable to be used for reactive compensation planning of 220 kV transformer stations, and is beneficial for balance near reactive layering and divided sections and preventing blindness of reactive configuration.

The invention relates to the technical field of flexible direct-current power transmission. The invention discloses a symmetrical monopole type flexible direct current converter station. The station comprises a modular multilevel converter, a transformer and a grounding module. The input end of the transformer is connected with an alternating-current power grid; the output end of the transformer is connected with the input end of the modular multilevel converter, the neutral point of a valve side winding of the transformer is grounded through a grounding module, and the neutral point of a network side winding of the transformer selects a corresponding grounding mode according to the alternating current bus voltage of the back-to-back flexible direct current power transmission system; the grounding module comprises a large resistance unit and a large inductance unit which are connected in series. According to the symmetrical monopole type flexible direct-current converter station, optimized system design methods such as zero-sequence injection can be adopted, so that the equipment investment is reduced; and the number of used equipment is relatively small, the structure is simpler,and therefore the cost is reduced. In addition, the grounding effect of the symmetrical monopole type flexible direct-current converter station is good, and effective ground potential reference is provided for whole-station equipment.

The invention discloses a welding repairing evaluation method which is an evaluation method for new welding joints formed by repairing of original welding joints. According to the welding evaluation method, a practical scheme can be provided for repairing of the welding joints; hidden dangers cause by repairing to the product quality can be avoided to a greater extent; the welding repairing evaluation method is suitable for welding repairing process evaluation of multiple materials; the efficiency is high, evaluating of all regions is not required, only the weak parts are required to be detected, the welding quality of the whole repaired welding joints can be ensured; a dividing method of heat influence regions is practical and effective, and effective reference bases are provided for quality detecting of the welding joints; and the application range is wide, and the repaired welding joints of materials which is very sensible to heat influence can be effectively evaluated.

The invention provides a rearview mirror provided with an altitude and gradient display device. The rearview mirror comprises a lens, a circuit board, a casing, a display module, an MCU (Microprogrammed Control Unit) main-control module and a power management module; the lens is embedded at the front end of the casing; the circuit board is mounted in a cavity between the casing and the lens; a display module is mounted on the circuit board; the MCU main-control module is arranged on the circuit board and is connected with the display module; the power management module is connected with the MCU main-control module; and a data collecting module is mounted on the circuit board and connected with the MCU main-control module. The rearview mirror provided with the altitude and gradient display device can measure the altitude value and the gradient value of the position where a vehicle body is located relative to the sea level at any time, thereby providing timely and effective reference for a user to grasp driving environment and geographical position at any time. Besides, the invention further provides an automobile employing the rearview mirror provided with the altitude and gradient display device.

The invention discloses an evaluation method and an evaluation system for on-orbit real-time capacity of a spacecraft storage battery pack. A lithium ion storage battery pack in the same batch as a positive sample lithium ion storage battery pack undergoes a groping test at different temperatures and different charge-discharge rates; a reference capacity matrix of the same batch of lithium ion storage battery packs is established; real-time temperature, pack voltage and charge-discharge current telemetry data of the on-orbit state of the positive sample lithium ion storage battery pack are read through telemetry; and according to different on-orbit states of the positive sample lithium ion storage battery pack, the reference capacity matrix of the lithium ion storage battery packs of the same batch are inquired according to the on-orbit real-time temperature, the pack voltage and the charge-discharge current telemetry data of the positive sample lithium ion storage battery pack to obtain the on-orbit real-time capacity of the positive sample lithium ion storage battery pack. The on-orbit available capacity of the lithium ion storage battery pack can be determined in real time according to the working temperature and the charge-discharge current state of the lithium ion storage battery pack, and effective reference and basis are provided for making a charge-discharge control strategy of the lithium ion storage battery pack in a subsequent task stage.

The invention discloses a system and a method for total calculation of loss and using situation of a computer accessory device. The system comprises key cap induction units, a key cap recording unit and an induction control unit, as well as a pressure detection instrument and a counter arranged in each key cap induction unit, and an individual recording unit and a total quantity calculation unit arranged on the key cap recording unit, and the key cap induction unit is particularly arranged on each key of a keyboard. The counters are used for recording the beating times of a user and saving in the individual recording unit during the process of using the keyboard of the user, the pressure detection instruments are used for detecting the pressure value during each beating of the user and transmitting into the individual recording unit, and the individual recording unit is used for converting the pressure values transmitted from the individual recording unit to average values; and the total quantity calculation unit is used for adding the beating times recorded by each counter, simultaneously adding the pressure average values recorded by the individual recording unit and saving respectively. The adoption of the method can simply and effectively carry out data acquisition and processing.

The present invention discloses a substrate and a circuit board. The substrate comprises a metal plate covered with an ink layer; the surface of the substrate is provided with a positioning mark formed by etching the ink layer on the metal plate, wherein the positioning mark can indicate the setting position of an electronic component to be set on the surface of the substrate. According to the substrate provided by the embodiments of the present invention, the positioning mark of the electronic component is a pattern formed by etching the ink layer covering the surface of the metal plate. According to a mode in the prior art, another material of which the color is different from an ink layer is adopted additionally to form a positioning mark, while, according to the substrate of the invention, the ink layer on the metal layer is removed, so that exposed metal can be adopted to form the positioning mark, and the positioning mark will not be abraded and faded, and therefore, the positioning mark can provide effective and reliable reference for the setting of the electronic component, and the problem of wrong setting of the electronic component caused by inaccurate positioning due to the fading of the positioning mark formed by screen printing can be avoided, production loss can be reduced, and the production level of the circuit board can be improved.

The invention discloses a template-guided and data-driven three-dimensional broken bone segmentation and splicing method, and the method comprises the following steps: taking a broken bone three-dimensional model generated by a CT image as an information input source, carrying out the preliminary extraction of broken bone outer surface information through neural network training, and calculating the features of the broken bone outer surface; matching the outer surface of each broken bone with an opposite side healthy bone template based on the features; determining a fracture boundary according to the distance between the broken bone and the template and the surface curvature information of the broken bone, and realizing broken bone repairing and splicing; carrying out the loop iteration in the process, and realizing the broken bone feature extraction, fragment boundary determination and fragment reset gradual refinement. According to the invention, the basic requirements of broken bone extraction and broken bone splicing are followed, and the broken bone splicing requirement of medical requirements is met; through a small amount of man-machine interaction, efficient fracture repair is completed, the requirement for preoperative planning of medical staff is met, and the working efficiency is improved.

The invention relates to a test device for simulating the working state of a valve in an underwater environment, which comprises a test chamber internally provided with a containing cavity, the containing cavity is filled with water, one end of a first pressure pipeline and one end of a second pressure pipeline are communicated with the containing cavity, and the other end of the first pressure pipeline is communicated with the test chamber. One end of the third pressure pipeline and one end of the fourth pressure pipeline are connected with the inlet end and the outlet end of the underwater valve respectively, the other ends of the first pressure pipeline, the second pressure pipeline and the third pressure pipeline extend out of the containing cavity, the first pressure pipeline is connected with the first pressure supply device, and the third pressure pipeline is connected with the second pressure supply device. According to the invention, the technical problem of lack of underwater test equipment for testing the performance of the underwater valve is solved.

The invention discloses a vehicle speed measurement system based on intelligent video analysis, which comprises a contact table, a server side and a processing table, the contact table, the server side and the processing table are communicated through an Ethernet network, the contact table comprises a video acquisition front end and an image sorting front end, the video acquisition front end comprises a fixed video and a vehicle-mounted video, and the image sorting front end comprises an image sorting front end. The image sorting front end comprises a screening function block and a sorting function block. According to the invention, the image sorting front end screens and sorts the acquired video data, so as to ensure the credibility of pictures and image information as analysis objects; analyzing the selected picture by using a picture velocimeter, analyzing the selected image by using the image velocimeter so as to carry out second speed measurement calculation on the target vehicle, and carrying out comparative analysis on two speed results; by comparing the speed results obtained through calculation in the two modes and conducting dynamic modeling on the results, the vehicle driving condition can be analyzed more clearly in dynamic simulation.

The invention provides a big data analyzing method for multiple elevators based on Internet of things technology to solve the problems that in the prior art, analysis on elevator data stays on data acquisition and analysis of a single elevator, and batch data analysis cannot be carried out on the multiple elevators at the same time. The big data analyzing method comprises the steps that S1, a corresponding preset component code of an elevator component to be analyzed is received; S2, a plurality of preset to-be analyzed condition codes of the elevator component to be analyzed are received; S3,the preset component code and the multiple corresponding preset to-be analyzed condition codes of the elevator component to be analyzed are substituted into a preset analysis process, and preset analysis data information of the elevator component to be analyzed is acquired; and S4, the acquired preset analysis data is uploaded to a background server and displayed on a preset interface. By means of the method, the purpose of analyzing the preset component of the elevator by combining the batch data of the multiple elevators can be achieved, and elevator component designers and users can know the using information and maintaining information of the components of the elevator more accurately.