27results about How to "Applicable" patented technology

The application discloses a rock drillability prediction method based on multi-source information fusion, first, the drilling data and vibration data are fused to predict the rock drillability, aiming at the problem that the time scales of the drilling data and the vibration data are inconsistent, a segmented cubic Hermite interpolation method is adopted to unify the time scale, then, a mutual information method is adopted to analyze the data correlation, and suitable input variables are obtained, finally, an extreme learning machine method is adopted to establish a rock drillability prediction model to obtain the uniaxial compressive strength value. The drilling data and the vibration data are used to predict the rock drillability, the drilling efficiency is improved, the stability of the drilling process is ensured, the safety accidents are effectively reduced, and the method provides guidance for the research on intelligent control of the drilling process, and has practicability and applicability.

The present invention provides a method for synchronously displaying a digital twin whose operating status is transmitted in real time by an Internet of Things device, wherein the method comprises: step 1: obtaining a device protocol document of an Internet of Things device; step 2: developing a protocol conversion plug-in according to the device protocol document; step 3: connecting the Internet of Things device according to the protocol conversion plug-in; step 4: when all the Internet of Things devices are connected, obtaining the real-time operating status of the Internet of Things device, and performing synchronous display of the digital twin according to the real-time operating status. The method for synchronously displaying a digital twin whose operating status is transmitted in real time by an Internet of Things device of the present invention develops a general protocol conversion plug-in according to the device protocol document of the Internet of Things device, and connects the Internet of Things device according to the protocol conversion plug-in. When all the Internet of Things devices that need to be connected are connected, the digital twin is synchronously displayed according to the real-time operating status of the Internet of Things device, which is more applicable to Internet of Things devices with different communication protocols.

The present invention discloses a non-circular aircraft engine lip spinning forming method, which belongs to the field of spinning forming technology. The non-circular aircraft engine lip spinning forming method includes the following steps: pre-treatment of the blank, stabilization treatment of the blank; design and manufacture of spinning tooling, design of supporting core mold according to the shape of the part; spinning trajectory design and program compilation; simulation verification; hot spinning forming. The present invention can break the limitations of the traditional spinning process, and use the calculation method of discrete increments to discretize the surface trajectory into a curve trajectory, and discretize the curve trajectory into a point set. Through a CNC spinning machine tool, the asymmetric spinning forming of the lip part is realized. The present invention only needs one set of spinning molds to complete the forming, which greatly reduces the mold cost and improves the forming accuracy compared to stamping forming. At the same time, it can realize integrated forming without the need for petal separation and assembly.

The invention relates to a method for mapping the spatial distribution of cation exchange capacity of cultivated land soil based on WFV. The invention belongs to the field of satellite remote sensing technology and its application, and specifically relates to a method for mapping the spatial distribution of cation exchange capacity of cultivated land soil. The invention is to solve the problem that the existing remote sensing mapping of soil CEC content mostly uses foreign satellites. The method comprises the following steps: obtaining WFV images of the target study area, obtaining surface reflectances of different central wavelengths through data preprocessing; inputting the input variables of the random forest algorithm of the invention (annual average rainfall, annual average temperature, elevation, DI3, DVI, RDVI3, GDVI1), and outputting the cation exchange capacity of cultivated land soil (CEC, cmol / kg), so as to realize the spatial distribution map of the cation exchange capacity of soil in the target study area. The method of the invention can realize the dynamic satellite remote sensing monitoring of soil cation exchange capacity at the regional scale. After verification of the content of soil cation exchange capacity of field samples, the method of the invention has good accuracy and applicability.

The invention provides a construction method, system and equipment for a fault simulation model of a whole hydropower station and a medium. The construction method comprises the following steps: step 1, setting simulation objects of the fault simulation model of the whole hydropower station, and a simulation part, a simulation range, a simulation degree and a fault phenomenon corresponding to each simulation object; 2, based on a setting result in the step 1, constructing a simulation model corresponding to each simulation object; step 3, testing each simulation model; 4, constructing to obtain a fault model of each simulation object, and simulating a dynamic process when a fault occurs by using the fault model; according to the invention, the simulation and fault simulation system of the whole station of the hydropower station can maintain the simulation function of the operation characteristics of the field equipment and train the operation capability of the operation and maintenance personnel; a simulation operation and test environment is provided for advanced application of a water and electricity monitoring system, development and optimization of an intelligent module, analysis of equipment fault reasons and fault processing.

The application relates to a power distribution network reliability optimization evaluation method based on vehicle-network interaction, which comprises an electric vehicle driving model, a vehicle-network coupling element reliability model, an electric vehicle charging and discharging incentive model and a fault recovery model with electric vehicle access, so as to solve the modeling problem of the influence of the travel characteristics and the charging and discharging characteristics of the electric vehicle under the guidance of the charging and discharging incentive model on reliability, thereby most effectively measuring the influence of the electric vehicle access to the power distribution network on the reliability index. The application can realize reliability optimization evaluation on the basis of considering vehicle-network interaction and has applicability when the operation scene changes, thereby making up for the problem of insufficient consideration of factors related to the electric vehicle access to the power distribution network in the existing method.

This invention discloses a universal control interface system for converters used in AC drive system test benches, comprising a control unit, a main disconnection status signal circuit, a synchronization signal circuit, a mains current signal circuit, and a VCB enable signal circuit. The main disconnection status signal circuit includes a normally open contact status circuit, a normally closed contact status circuit, a second switch, a first rotary switch, and a second rotary switch. One end of the normally open contact status circuit is connected to multiple normally open main disconnection contacts connected in parallel, and one end of the normally closed contact status circuit is connected to multiple normally closed main disconnection contacts connected in series. The normally open contacts of the second switch are connected in parallel to the normally open contact status circuit, and the normally closed contacts are connected in series to the normally closed contact status circuit. The second rotary switch is located in the normally closed contact status circuit and is connected in parallel with one or more normally closed main disconnection contacts. This invention has advantages such as enabling interface conversion between different test bench main circuit topologies and different test samples, improving test efficiency, and enhancing the modularity of test bench design.

The utility model provides lifting equipment with a limited space, which is erected on the ground and comprises two gantries erected on the ground, a plurality of pre-buried points and supporting points arranged between the pre-buried points are sequentially arranged on the ground from front to back, and the two gantries are erected on the corresponding pre-buried points; the walking beam is erected between the two portal frames, and the walking beam is movably provided with an electric hoist; and the supporting piece is arranged on the supporting point and is perpendicular to the walking beam. The lifting device solves the problem that in the prior art, the height of lifting equipment in a limited height space cannot meet the hole pile lifting requirement.

This invention relates to the field of chemical process technology and discloses a combinable tower-type continuous reaction system, including a feeding system, a reactor, and a discharging system. The feeding system and the discharging system are respectively connected to the inlet and outlet of the reactor. The reactor includes a top tower cover and a bottom tower vessel. Several structurally identical tower sections are connected between the top tower cover and the bottom tower vessel. A steam outlet pipe is provided at the center of each tower section. The inlet of the steam outlet pipe of the upper tower section is connected to the interior of the lower tower section, and the inlet of the steam outlet pipe of the bottom tower section is connected to the interior of the bottom tower vessel. The outlet of the steam outlet pipe extends outside the tower section. This invention can draw material vapor from the top of each tower section and condense small molecules to promote the reaction equilibrium to shift to the right. It can realize continuous production of fractionation, mixing, fed-batch reaction, total reflux reaction, and reflux condensation reaction.

This invention discloses a non-destructive testing method based on a multidimensional complementary ensemble empirical mode decomposition (MEMD) algorithm. The method constructs a three-dimensional matrix of all thermal image data and transforms it into a two-dimensional matrix. MEMD is then performed on each row of the two-dimensional matrix, and the decomposed images are further processed column-wise. The resulting images are then combined using the MEMD algorithm to extract the defective image portion, yielding the clearest image. This invention utilizes both the temporal and spatial information of the thermal image sequence through row and column mode decomposition, comprehensively reflecting defect information. Furthermore, this invention has broad applicability, suitable for any thermal image sequence, including both long-pulse heating and eddy current pulse heating.

The invention discloses a rapid identification method for sandstone gas reservoir fluid output types. On the basis of a relative permeability experiment result, irreducible water saturation, irreducible gas saturation and critical water saturation of the rock cores with different permeability are extracted, and a gas-water production identification chart is established, so that the sandstone gas reservoir fluid production type is rapidly and effectively judged through the reservoir physical property and the water saturation.

The application discloses a kind of zeolite molecular sieve for removing hexavalent chromium in wastewater and its preparation method, which comprises the following steps: mixing solution and stirring: all raw materials are placed into polytetrafluoroethylene lined stainless steel autoclave, then the polytetrafluoroethylene lined stainless steel autoclave is placed into ultrasonic cleaning machine for ultrasonic stirring, and slowly shakes during stirring process;Synthesis reaction: after stirring, the polytetrafluoroethylene lined stainless steel autoclave is tightened, the polytetrafluoroethylene lined stainless steel autoclave is placed into thermostat for constant temperature reaction;Sample removal: after constant temperature, the polytetrafluoroethylene lined stainless steel autoclave is taken out, the cover is rotated after cooling, the white lining is taken out, and is dried, to obtain molecular sieve.The application can solve the problems of complex process flow, huge energy consumption and inconvenient operation in the synthesis technology of existing molecular sieve.

The utility model discloses a multi-layer combined type plasticine storage box which comprises a sealing cover, a box body, a lifting handle and a buckle, the lifting handle is arranged on the sealing cover, the buckle is arranged on the box body, the box body is provided with a plurality of layers and overlaps with each other, adjacent box bodies are connected in an inserted mode and clamped through the buckle to achieve fixation, the sealing cover is arranged on the top of the box body, and the buckle is arranged on the top of the box body. The sealing cover is inserted into the box body and is clamped through the buckle to realize fixation; the top of the sealing cover is provided with a first mounting groove for mounting the handle; an annular groove is formed in the bottom of the sealing cover, a sinking groove is formed in one side of the annular groove, an inserting plate is arranged in the sinking groove, a first groove is formed in one side of the sealing cover, a fixing block is arranged in the first groove, and a second buckling strip is arranged on the fixing block. According to the box, the classified storage effect can be achieved in the mode that the multiple layers of box bodies are stacked and combined, and the stable locking effect between the box bodies and between the box bodies and the sealing cover can be achieved in the mode that the inserting plates are inserted into the inserting grooves and the first buckling strips are connected with the second buckling strips in a clamped mode.

The invention provides a zirconium oxide nanostructure for realizing structural color as well as a preparation method and application of the zirconium oxide nanostructure. The preparation method of the zirconium oxide nano structure for realizing the structural color comprises the following steps: coating a zirconium oxide photoresist solution on the surface of a substrate, forming a film, and calcining to obtain an inorganic zirconium oxide film; a conductive layer is sputtered on the surface of the inorganic zirconia film, and then the zirconia nanostructure is obtained through focused ion beam etching. The preparation method is simple, the structural color of the obtained nanostructure in the visible light wave band shows wide color gamut, high resolution, high saturation and brightness, and the nanostructure has wide application value.

The invention discloses a fruit pose real-time estimation method based on multi-frame information fusion. The method comprises the following steps: acquiring observed image data and a sensor pose; performing fruit semantic instance segmentation on the image data to obtain a current frame fruit instance and a depth point cloud, performing data association on a fruit semantic instance segmentation result and a fruit map representation constructed based on a truncated symbol distance field in combination with a sensor pose, and determining a data association relationship between the current frame and a historical frame; according to the data association relationship, the current frame fruit instance and the depth point cloud, updating the fruit map representation; and extracting effective point clouds on the surfaces of the fruit instances from the updated map representation, determining the attitude information of the fruits through filtering and principal component analysis, estimating the omnibearing size information of the fruits, and finally determining the real-time poses of the fruits. Real-time and high-precision estimation of the fruit poses can be achieved, lightweight deployment of the fruit picking robot in a facility agriculture scene is achieved, and the operation success rate and the intelligent level are remarkably improved.

The application is a slow landslide building vulnerability analysis method based on FLAC3D and PS-INSAR, including the following steps: S1, collecting the required research data; S2, obtaining the building disaster resistance capability evaluation index system and weight through literature research and expert scoring, and obtaining the building disaster resistance capability index calculation value R; S3, using PS-InSAR technology to calculate the cumulative displacement of the landslide at different locations, and according to the cumulative displacement value and the building disaster resistance capability index value R obtained in S2, the landslide disaster causing strength inversion value I is obtained by inversion p , and then the displacement-I p scatter plot fitting obtains the landslide disaster causing strength empirical curve; S4, using FLAC3D to simulate the cumulative displacement of the landslide under extreme conditions, and using the landslide disaster causing strength empirical curve to obtain the landslide disaster causing strength index calculation value I under extreme conditions; S5, using R and I to obtain the disaster body vulnerability under extreme conditions. The quantitative problems of building disaster resistance capability and landslide disaster causing strength are solved.

The utility model provides a hydraulic valve for hydraulic transmission, which belongs to the technical field of hydraulic valves and comprises a valve body, a liquid inlet channel extending to an inner cavity is arranged at a liquid inlet of the valve body, a top plug is embedded into the inner wall of the tail end of the liquid inlet channel, and a sealing plug is embedded into the inner wall of the starting end of a liquid separation channel. A hydraulic linkage assembly is arranged on the side wall, where the liquid distribution openings are located, of the valve body, after liquid flows into the liquid inlet channels through the liquid inlets, the top plugs at the tail ends of the liquid inlet channels are pushed to move through the pressure of the liquid, the top plugs drive the sealing plugs to move through the hydraulic linkage assembly, the three liquid distribution channels are opened, and therefore the liquid is distributed through the hydraulic valve, and the liquid distribution effect is improved. According to the hydraulic valve, the three liquid separation channels are arranged, so that the liquid flows on the three liquid separation channels are the same, the influence on the working environment where the hydraulic valve is located is avoided, the outlets of the liquid separation channels can be selectively closed according to the use scene of the hydraulic valve, and the hydraulic valve has applicability by embedding the sealing plug into the liquid outlet.

This invention belongs to the field of water pressure testing technology, and particularly relates to a device for testing the pore water pressure of concrete specimens in experiments. The invention places the concrete specimen in a pressure water tank, and a pressurized water pump supplies water to the tank, filling the specimen with water. A pore water pressure gauge is then embedded in pre-designed pores within the concrete specimen. The gauge is connected to an operating platform via a cable. The platform is located at the top of a lifting mechanism, and an instrument display is fixedly connected to the top of the platform for convenient data recording during operation. A rotating shaft inside the platform controls the cable's length by extending and retracting it. The lifting mechanism is adjustable to a suitable height, eliminating the need to constantly bend over to view and record data, effectively improving operational convenience.

The utility model discloses an automatic drum pot for dried meat floss, and particularly relates to an automatic wok technology, which comprises a support base, an electromagnetic heating block is fixedly connected to the bottom side of the inner end of the support base, an eccentric vibration barrel is rotatably arranged on the front side of the inner end of the support base, and a fixed opening and closing cover is arranged on the rear side of the inner end of the support base. A driving motor is arranged in the middle of the front end of the supporting base. According to the automatic drum pot for the dried meat floss, the drum pot can be sealed and fixed through the cooperation of the opening and closing assembly and the fixing cover, the drum pot can be buckled and fixed through the fixing buckles, and the drum pot can be fixed at a specific angle through the H-shaped fixing grooves on the basis of ensuring that the fixing buckles are driven to rotate; and moreover, the eccentric rotating column can be driven by the driving motor to generate centrifugal force, so that the eccentric vibration barrel vibrates while rotating, and the temperature can be controlled within a proper interval through collision with the electromagnetic heating block.

The anti-theft device (2) is integrated in a one-piece bicycle frame (3) and comprises an electronic communication / GPS unit (4) and a battery (5) for powering the electronic unit (4). The electronic unit (4) and the battery (5) are configured to be mounted and fixed in a dedicated compartment (6) inside the frame (3). The one-piece structure of the frame (3) is made of composite material tubes, including at least one substantially vertical tube (9) with a transverse end hole (11) for mounting a bottom bracket of pedal crank (12). The compartment (6) is located inside the substantially vertical tube (9) near the transverse end hole (11) and has a lower opening (15) sealed by an external cover (16) located at the lowest point of the frame (3). The external cover (16) is connected to a plurality of antennas (17, 18, 19) connected by a first electrical conductor (20) to the electronic communication / GPS unit (4) in order to receive and transmit electromagnetic signals for the operation of the electronic unit (4) without shielding.

This invention discloses an algorithm for improving time synchronization accuracy in a master-slave network topology. The algorithm comprises the following steps: S1, establishing a master-slave network topology; S2, exchanging messages to obtain four timestamps and calculating the master-slave clock offset and average link delay, sending an Optimize_Req message to the master clock; S3, selecting the optimal master-slave clock offset from multiple offsets and calculating the asymmetric link delay ratio for each synchronization; S4, if the current link delay is approximately symmetrical, the master-slave clock offset is used to update the slave clock; S5, if the current link delay is asymmetric, the clock offset estimate is obtained using the maximum likelihood estimation algorithm, and an Optimize_Resp message is sent to the slave clock to update it. This invention improves the PTP time synchronization protocol by using the above algorithm, adding two message transmissions. The master clock receives the synchronization results from multiple slave clocks, further performs filtering and optimization, and then sends the updated results to the slave clocks, allowing the slave clocks to adjust themselves.

This invention discloses a method for plastic forming of thick-walled cylindrical metal parts, specifically a six-wheel high-strength staggered-pitch spinning forming method for large-diameter pure titanium cylindrical parts, which includes the following steps: Step 1: According to the target product thickness T 1 Calculate the thickness T of the raw material 0 Compared to die spinning, the ultimate thinning rate of die spinning is higher. It can reach over 85%, and the thickness of the raw material T 0 for: The length of the raw material should be determined in conjunction with the processing allowance of the subsequent process and the determination of whether heat treatment test blocks are required. At the same time, the theoretical length should be calculated based on equal volume. The beneficial effects of this invention are: by setting multiple sets of inner and outer spinning wheels and combining them with staggered spinning process, a large material thinning rate can be achieved in one pass. By replacing the spinning die with an inner spinning wheel, the material processing efficiency is improved, the development cycle of the parts is shortened, and the mold investment cost is reduced. It is not only applicable to large-diameter cylindrical parts made of TA1 material, but also applicable to other large-diameter thick / thin-walled parts.

The invention relates to an Inlay labeling and coding detection device, comprising: an Inlay lifting device, a coding detection mechanism, a first unwinding mechanism, a first rewinding mechanism, a second unwinding mechanism, a second rewinding mechanism, an Inlay pasting mechanism and other components for detecting, coding and re-labeling the Inlay, and automatically separating waste Inlay. A method for labeling and coding detection is also disclosed, which can not only complete a method of a whole set of processes from detection, coding and labeling, but also discloses a process of detection, coding and labeling working separately, thereby solving the technical problem that in the prior art, manual work is often used, the workload of detecting, coding and re-labeling the Inlay is complicated, data errors are often caused, the use of the Inlay is affected, and at the same time, the labor cost is huge, the Inlay is difficult to be reused after being recycled, and the manufacturing cost cannot be reduced.

The auxiliary device for shearing of the cold shearing machine comprises a bottom frame and a whole cold shearing machine, a fixing frame is installed at the upper end of the bottom frame, a plurality of containing plates are installed at the upper end of the fixing frame, penetrating grooves are formed in the containing plates, rotating shafts are rotationally connected to the positions, below the penetrating grooves, in the fixing frame, and rotating rollers are installed on the surfaces of the rotating shafts. The adjacent rotating shafts are connected through linkage mechanisms, a detection disc is installed on the surface of one rotating shaft, a sensor assembly is installed on the fixing frame on one side of the detection disc, a magnet block is installed on the surface of the detection disc on one side of the sensor assembly, and a controller is installed on the fixing frame. The linkage mechanism drives the rotating shafts to rotate, the rotating rollers on the surfaces of the rotating shafts convey pipes, meanwhile, the rotating shafts drive the detection disc to rotate when rotating, the sensor assembly detects the number of turns of rotation of the magnet blocks on the detection disc, and the length of the conveyed pipes is calculated according to the diameter of the rotating rollers. And pipe materials with the same length can be conveniently machined.

The application provides a technical file management system under a construction management system, comprising: a technical file type management module, configured to customize technical file types circulating in the system and configure forms and process combinations corresponding to the technical file types; a technical file association management module, configured to manage nodes associated with other directory trees in the system when the technical file is initiated; a technical file retrieval module, configured to retrieve technical files; a technical file viewing module, configured to view specific technical files retrieved by the technical file retrieval module; and a technical file statistical module, configured to customize various statistics. The application decouples structured forms and processes of technical file circulation and respectively establishes libraries for management, realizes user self-configuration of technical file type circulation, associates multiple tree structures in the system, and realizes multi-dimensional retrieval and statistical functions, thereby helping to promote the productization of technical file management under the construction management system.

The invention discloses a water body nitrate concentration high-frequency monitoring method and system based on water surface hyperspectral data, and the method comprises the following steps: arranging a hyperspectrometer on the surface of a monitored water body for continuous monitoring, and obtaining water body spectral absorbance data; regularly collecting a water sample on site, and measuring the nitrate nitrogen concentration of the water sample; matching the spectral absorbance data with the nitrate nitrogen data, and establishing a sample data set; training a PLS model by using the data set, and constructing a nitrate nitrogen inversion model; and the established inversion model is combined with a hyperspectrometer to realize automatic long-time high-frequency monitoring of nitrate nitrogen.

The invention discloses a floating breakwater system integrating multi-mechanism wave power generation. The floating breakwater system comprises a floating breakwater body, a power generation system and a mooring system. A wave gathering structure is arranged below the wave facing surface of the dike body; an anti-overtopping structure is arranged above the head wave surface; a wave rolling structure is arranged below the wave back surface; a swinging power generation unit is arranged above the wave rolling structure; the swing power generation unit comprises a hydraulic power generation mechanism and a plurality of partition bulkheads arranged at intervals, a rotating shaft and a limiting rod are connected between the partition bulkheads, a swing plate is hinged to the rotating shaft, and a connecting rod is arranged between the swing plate and the hydraulic power generation mechanism; a perforated channel is formed in the head wave face of the breakwater body, a water inlet of the perforated channel is located in the head wave face of the breakwater body, and a water outlet is located in the upper surface of the breakwater body. A moon pool is formed in the embankment body; an oscillating floater power generation unit is mounted in the moon pool; and a turbine generator is arranged in the opening channel. The main body structure is combined with the turbine power generation system, the oscillation floater power generation system and the swing power generation system, wave energy is dissipated and converted into electric energy at the same time, and integration of multi-mechanism power generation and wave absorption is achieved.