249results about How to "Cutting costs" patented technology

The invention discloses a rural house structure optimization design method and system based on building information modeling, and relates to the technical field of building structure analysis design, and the method comprises the steps: obtaining geographical climate data, building user demand data and construction condition data of a to-be-built rural house; determining a house design variable set according to the acquired data; randomly generating an initial solution according to the value range of each variable parameter in the house design variables to construct an initial population; performing individual optimization on the initial population by using a genetic algorithm, screening individuals according to fitness, performing iterative genetic evolution operation including crossover and variation, and finally determining an optimal individual; and inputting target values of various variable parameters indicated by the optimal individual into a BIM construction module to determine a target BIM model for the rural house. Therefore, genetic algorithm optimization and a BIM modeling technology are organically fused, and the structural safety, the economical efficiency, the construction efficiency and the intelligent level of rural house design are improved.

The invention discloses an electric propulsion GEO satellite orbit transfer and point fixing method, and belongs to the technical field of satellite orbit dynamics, and the method comprises the following steps: S1, building a low-thrust satellite orbit dynamics model based on multi-perturbation and earth shadow constraints; s2, according to the low-thrust satellite orbit dynamic model, a Lyyunov function is constructed, and an RQ-Law feedback control model is constructed by using the Lyyunov function; s3, weight parameters of the RQ-Law feedback control model are optimized; and S4, using the optimized RQ-Law feedback control model to complete orbit transfer and point fixing. Aiming at the problem of long time of current satellite orbit transfer, the invention provides an innovative method, the traditional orbit transfer and fixed point staged optimization are integrated into one stage, and the integration of orbit transfer and fixed point is realized.

The present invention relates to the technical field of ecological concrete slurry, and specifically to an ecological seed-carrying slurry for the slope of a mine dump, a preparation method and its application. Aiming at the special environmental characteristics of the Inner Mongolia mining area, the present invention prepares a new type of artificial aggregate containing growth domains and seeds, which is composed of a three-layer structure, each layer having a specific function, so as to achieve the purpose of promoting the germination of multi-source species, plant growth, providing nutrition and improving the soil environment. The slurry can not only effectively utilize solid waste and reduce costs, but also adopts in-situ point-type layered hole sowing to shorten the vegetation restoration cycle in the ecological restoration of the slope, greatly improve the survival rate of tree and shrub seed sources, reduce the number of watering times, save restoration costs, and reduce the workload of management. While effectively promoting vegetation restoration, it strengthens the stability of the slope, prevents soil and water loss, slows down runoff and consolidates the soil, providing an efficient and sustainable solution for the ecological restoration of green mines in Inner Mongolia.

The invention relates to an intelligent networked vehicle formation test method based on digital twin virtual-real combination, and belongs to the field of automatic driving test. The method comprises the following steps: collecting traffic road map data, and constructing a digital twin virtual traffic scene; constructing an intelligent networked vehicle formation model, and loading the intelligent networked vehicle formation model into a digital twin system; the virtual traffic scene is transmitted to the driver in-the-loop simulation device, and the artificial driver controls the artificial driving simulation vehicle according to the virtual traffic scene, thereby realizing simulation of the artificial driving vehicle; the intelligent network connection vehicle formation model generates a control instruction of the automatic driving simulation vehicle based on the driving track of the artificial driving simulation vehicle, and sends the control instruction to the miniature vehicle for real vehicle verification; and collecting simulation data of the digital twin system and real vehicle data of the miniature vehicle for analysis, and verifying the validity of the intelligent network connection vehicle formation model. According to the invention, the problem of difficulty in interactive simulation of a manual driving vehicle and an automatic driving vehicle is solved, and the authenticity is high.

The invention discloses a flow-based local message classification method and device, and relates to the field of message classification, and the method comprises the steps: carrying out the parallel comparison of a keyword of a to-be-classified message with a keyword temporarily stored in a shift register, obtaining a comparison result, and generating an index matching result through an arbiter according to the comparison result; according to the locality principle of a message flow, historically queried table item information is cached into a dynamic cache table, an arbiter arbitrates a comparison result of a shift register, calculates an offset address of the dynamic cache table and obtains a matching result, and whether an original rule table needs to be queried and whether a dynamic cache table memory needs to be updated are determined according to a search result. Under the condition that the matching is unsuccessful, the dynamic cache table memory can guide the same message to directly use the offset address to obtain the table item information in the next search without searching from an original rule table, so that the hit rate is increased, the matching efficiency is improved, and the storage resources are saved.

The invention provides a kit and a method for simultaneously detecting 11 pathogens of a urogenital system and application, and belongs to the field of molecular biology. The primer group is used for detecting urogenital tract pathogens, and the urogenital tract pathogens comprise ureaplasma urealyticum (UU), chlamydia trachomatis (CT), mycoplasma genitalium (MG), ureaplasma parvum (UP), mycoplasma hominis (MH), adenovirus (ADV), trichomonas vaginalis (TV), herpes simplex virus type I (HSV-I), herpes simplex virus type II (HSV-II), haemophilus influenzae (HI) and neisseria gonorrhoeae (NG). The primer group is used for multi-joint detection of non-gonococcal urethritis related pathogens, has high specificity and sensitivity, is adaptive to non-invasive urine specimens, and supports home self-sampling. The kit is used for clinical diagnosis and can quickly judge pathogen types. Precise medication is performed based on a detection result, the healing time of a patient is shortened, the burden of a doctor is relieved, and meanwhile the pathogen transmission risk is reduced.

A control method for zero-allowance construction of a main beam of a large gantry crane comprises the steps that the two ends of the main beam and sub-beams are divided to form two end beams and two sub-beams, then the two sub-beams are sequentially divided to form a plurality of segmented beams of any length, the distance between the edge of each segmented beam and an adjacent large partition plate needs to be 300 mm, welding compensation is added to an upper panel, a lower panel and a web of each segmented beam, and then the main beam and the sub-beams are welded. The method comprises the following steps: splicing a plurality of segmented beams to form sub-beams, splicing the sub-beams to form a main beam, carrying out a load test on the main beam, after the final load test is passed, keeping the crane no-load, and at the moment, measuring and recording a camber value and a profile of the main beam. And the turnover and construction time is shortened. The number of the segments is reduced, the construction continuity is improved, and the redundant procedures of manual cutting of the grinding amount and on-site beveling in the assembling stage of the small segments are abandoned.

The invention provides a photovoltaic energy storage scheduling management system. The photovoltaic energy storage scheduling management system comprises a data acquisition module for collecting real-time data; the operation simulation module simulates a future working state based on the data; the decision making module generates a charging and discharging scheduling strategy; the execution module controls the photovoltaic module to interact with the energy storage battery according to the strategy; according to the invention, through real-time data acquisition and accurate simulation and prediction of a working state, an optimal charging and discharging strategy is formulated, and the energy utilization efficiency is improved; an intelligent scheduling mechanism automatically adjusts strategies according to meteorological conditions and load consumption, and the response speed, flexibility and reliability of the system are improved; the automatic execution module reduces human intervention, simplifies the maintenance process and improves the stability and availability of the system; the efficiency and economical efficiency of a photovoltaic system are improved, application of renewable energy sources is promoted, and sustainable development of the environment is promoted.

The present invention provides a metal sheet anti-bending laser cutting device, which belongs to the technical field of laser cutting devices, and comprises a frame, an outer cover is installed at the upper end of the frame, two groups of clamping modules are installed on both sides of the upper end of the outer cover in a mirror-like manner, an extraction module is installed between the two groups of the clamping modules, a mobile laser cutting module is installed on the inner side of the extraction module, a clean air module is installed on the side of the frame, a blowing module is installed between the clamping module and the clean air module, and an electric control cabinet is installed on one side of the outer cover. The present invention solves the problem that the existing laser cutting device first presses the side of the metal sheet on the device when completing the cutting, and then uses the cutting head to cut the metal sheet, which may cause the metal sheet to bend during the cutting process, thereby affecting the quality of the metal sheet, and at the same time, during the cutting, due to the action of the laser beam, the gas at the cutting location will be polluted, thereby affecting the surrounding working environment.

The invention provides a multi-channel wireless channel simulator supporting extensible radio frequency channels and arithmetic units. The multi-channel wireless channel simulator comprises a group of radio frequency receiving units, a branching unit, a group of digital signal processing units, a combining unit and a group of radio frequency transmitting units, the group of radio frequency receiving units adjust the power of the received radio frequency signals, perform down-conversion and analog-to-digital conversion to obtain digital baseband signals, and then respectively send the digital baseband signals to the shunt unit; the shunting unit shunts the received digital baseband signals and sends the shunted digital baseband signals to a group of digital signal processing units respectively; each digital signal processing unit superposes channel characteristics on the received digital baseband signals and then sends the signals to the combiner; and the combiner combines the signals sent by the group of digital signal processing units and sends the combined signals to each radio frequency sending unit. The multichannel wireless channel simulator provided by the invention supports extensible radio frequency channels and arithmetic units, and is flexible in hardware architecture, low in cost and small in data processing pressure.

The invention discloses a sampling system, and relates to the technical field of grain detection, the sampling system comprises a mounting platform, a sampling machine and a plurality of pressing assemblies, the mounting platform comprises a platform part and a plurality of supporting parts, the platform part is provided with a negative pressure cabin, and each supporting part is provided with a plurality of connecting rods; the sampler is used for sampling unprocessed grains, a plurality of stand columns are arranged on the sampler, the number of the stand columns is consistent with that of the supporting parts, the stand columns and the supporting parts are arranged in a one-to-one correspondence mode, the bottoms of the stand columns abut against the supporting parts, and the negative pressure cabin is used for providing negative pressure for the sampler; each pressing assembly comprises a pressing rod and a pressing piece, and the two ends of each pressing rod are provided with inserting holes allowing the connecting rods to penetrate through. Through cooperation of the connecting rod on the mounting platform, the stand column of the sampler and the pressing assembly, the sampler can be quickly disassembled and assembled, the mounting process is shortened, the sampler can be quickly mounted and put into use in emergency, and due to the fact that the processes of concrete pouring, frame mounting and the like are not needed, the cost is reduced.

The invention discloses an adjusting system for controlling the rotating speed of an automobile engine, and the system is characterized in that the system comprises a data collection module which collects the conventional operation parameters of the automobile engine in real time, the conventional operation parameters comprise the rotating speed, the torque, the air inflow, the oil temperature and the oil pressure, and also collects the acceleration, the gradient information, the external environment temperature and humidity of a vehicle and the driving behavior data of a driver; such as accelerator pedal depth change rate and brake frequency; the data analysis module is connected with the data acquisition module and is used for deeply mining a relationship and a potential rule in data by applying a long short-term memory (LSTM) network algorithm in deep learning and a fusion analysis method based on a physical model, identifying a real-time running state and a future change trend of the engine and intelligently diagnosing potential fault hidden dangers; the fuel injection amount and the ignition time can reach the optimal state through accurate rotation speed adjustment, fuel consumption is greatly reduced, fuel economy is improved, and expenditure is saved for users.

The utility model provides a standardized cupboard system which comprises a standard kitchen cabinet, a standard cupboard module is arranged on one side of the standard kitchen cabinet, and a standard cupboard is arranged on the other side of the standard kitchen cabinet; a standard stove cabinet table is arranged on the top wall of the standard stove cabinet, a standard cabinet table is arranged on the top wall of each standard cabinet module, and a standard cabinet table is arranged on the top wall of each standard cabinet; vertical standard supporting tables are arranged above the two side edges of the standard kitchen range table, and a U-shaped structure is formed among the standard cupboard table, the standard kitchen range table, the vertical standard supporting tables and the standard cupboard table. The top wall of the standard cupboard module is flush with the top wall of the standard cupboard and is higher than the top wall of the standard kitchen cabinet, so that the height of operations such as vegetable cutting can be met, and the height of cooking operation can also be met; all parts can be standardized, the adaptive standard cabinet module is selected according to the actual size of a kitchen, the cabinet body installation efficiency is improved, the waiting period of a user is shortened, and the problem that an existing cabinet is long in customization period is solved.

The invention discloses a building data intelligent management system and method based on artificial intelligence, and relates to the technical field of building data intelligent management, and the system comprises a building digital twin module, an Internet of Things intelligent service module, a regional analysis module, a historical data selection module and an intelligent sequence output module. The output end of the building digital twinning module is connected with the input end of the Internet of Things intelligent service module; the output end of the Internet of Things intelligent service module is connected with the input end of the regional analysis module; the output end of the regional analysis module is connected with the input end of the historical data selection module; and the output end of the historical data selection module is connected with the input end of the intelligent sequence output module. According to the invention, the construction efficiency can be improved, and monitoring and optimal management of energy consumption are realized through effective resource allocation and energy-saving measures; and in the aspect of improving integration, data pre-judgment is realized, and the probability of repeated operation and invalid construction is reduced.

The invention relates to the technical field of medical instrument detection, and discloses a medical instrument detection system which comprises a data acquisition module and an intelligent evaluation module. According to the medical instrument detection system, specification data of all types of medical instruments, use records of the medical instruments in all departments and overhaul data of the medical instruments at all time points are obtained through a data acquisition module and are classified to form a data set, and an intelligent evaluation module analyzes the effective duration of each medical instrument and the remaining number of each department; the inventory management is efficient, the response speed is high, the intelligent evaluation module analyzes the stability of each medical device during treatment, comprehensively monitors current, voltage, magnetic field intensity and ray dose fluctuation conditions, timely finds out the fault problem during operation of the medical devices, analyzes the use quality of each medium-risk and high-risk medical device, and improves the safety of the medical devices. The product quality, the treatment stability and the loss degree of the medical instrument are judged, corresponding management suggestions are output, the service life of the instrument is comprehensively evaluated, and the medical quality is good.

This invention relates to the field of electrical equipment monitoring technology, specifically a cloud-based smart meter real-time electricity consumption monitoring system. The system includes: using smart meters to monitor enterprise electrical equipment in real time within a target monitoring area, collecting real-time electricity consumption data of the equipment; sensors within the smart meters monitoring the meters; analyzing the situation when the collected electricity consumption data exceeds a threshold value to determine if it constitutes an abnormality; obtaining the smart meter's health value, analyzing its health status, and issuing alerts to staff based on the analysis results; calculating the probability of an abnormal electricity consumption based on staff reports of equipment and smart meter maintenance; and establishing an electrical equipment electricity consumption database based on the real-time electricity consumption data collected by the smart meters for managing the enterprise's electrical equipment.

The application relates to the field of phased array antennas, and discloses a subarray-level anti-interference implementation method based on a planar phased array, which can quickly and accurately perform null processing on multiple interference signals at the subarray level when the planar phased array performs digital beam forming, thereby effectively receiving the expected signals while suppressing the interference. The implementation scheme is as follows: the planar phased array is arranged, and the center position coordinates of each subarray and the array element position coordinates are stored; the target information features are extracted by using a fast capture technology to determine the spatial target positions of the expected signals and the interference signals; a subarray-level constraint matrix C and a constraint vector f required for anti-interference are constructed; the optimal weight values are solved in the unit of the subarray; and a directional diagram is scanned. The anti-interference implementation method based on the planar phased array can be implemented at the subarray level, does not need to know the expected signals and calculate the covariance matrix of the received signals, saves the calculation resources, and can conveniently and quickly perform null processing on the positions of all the interference signals in the directional diagram.

The present invention relates to the technical field of abandoned mine transformation, and provides an air column elimination device for underground water reservoirs used in abandoned mines, including a three-way pipe fitting, a float device is provided directly below the lower port of the three-way pipe fitting, the float will block the port when receiving buoyancy, and fall off the port after the buoyancy is eliminated, and the other two ports of the three-way pipe fitting are respectively connected to ventilation pipes. A method for eliminating air columns in underground water reservoirs used in abandoned mines is also disclosed, and the steps are as follows: one side of the ventilation pipe leads to the top plate position at the highest point of the tunnel, and the other side of the ventilation pipe leads to the return air connection lane of the abandoned mine mining area, and the three-way pipe fitting is located at the lowest point of the ventilation pipe. The beneficial effects are: low cost, can effectively solve the problem of offsetting the air column of the reservoir, and ensure the storage capacity of the underground water reservoir of the abandoned mine.

The invention belongs to the field of wireless communication, and particularly relates to a wireless signal multi-dimensional array coding method and system based on dynamic rank optimization. The method comprises the following steps: detecting state information of a wireless channel, predicting state change of the channel by using a pre-trained deep learning model, and generating a dynamic optimization multiplier; adjusting a preset static optimization multiplier by using the dynamic optimization multiplier, constructing a target function for jointly optimizing the energy efficiency and the spectrum efficiency, and determining an optimal transmission rank by solving the target function; comparing the optimal transmission rank with the current transmission rank to determine a rank-up or rank-down operation; and reconstructing a transmission signal of the wireless channel according to a result of the rank increasing or decreasing operation. According to the method, the optimization target is dynamically adjusted by predicting the channel change, and the asymmetric ascending and descending rank algorithm is adopted, so that the adaptive transmission rank optimization in a complex time-varying channel environment is realized, and the communication performance is remarkably improved.

The application discloses a cool cotton pack and belongs to the technical field of pillows. The cool cotton pack comprises a cotton pack body. The application is novel and ingenious. An outer cover is designed as a double-sided structure, A side and B side are adopted, the A side mainly comprises polyester or nylon materials, the A side can be used in summer, cool feeling is provided, and comfort is increased, the B side mainly comprises pure cotton materials, has a warm-keeping effect, the pure cotton fabric has soft touch and strong skin friendliness, the B side can be used in winter, warm intention is provided, and thus the touch of the pillow is increased, the use feeling of the pillow is improved, an inner core is divided into a filler and a partition layer, the partition layer is detachably connected to the outside of the filler, the partition layer can block saliva and sweat of the pillow during use, saliva and sweat are prevented from penetrating into the filler and being difficult to clean, the cleanliness of the filler in the pillow is improved, the service life of the inner core of the pillow is improved, the cost is reduced, and the practicality of the device is greatly improved.

This invention relates to the field of multi-target search using swarm robots, proposing a multi-source localization method based on virtual targets and a virtual population using particle swarm optimization (PSO) algorithm. This method utilizes a swarm of robots with certain communication and sensing capabilities to achieve multi-source target search and localization. The method equally divides the search area into multiple units, each with a virtual target at its center. Only one group of robots traverses all virtual targets and uses the PSO algorithm to search the corresponding regions of each virtual target, ultimately covering the entire search space. Common grouping methods in this field suffer from the difficulty in determining the number of groups, and their performance decreases as the number of source targets increases. The method proposed in this invention requires only one group to complete multi-source target localization, thus greatly reducing the number of robots needed and reducing physical costs. Furthermore, this method can be adapted to large-area passive scenarios.

The invention discloses a transaction risk identification method and device, equipment, a medium and a product, and relates to the technical field of big data. The method comprises the following steps: acquiring transaction detail data of all services in a target application, and summarizing the transaction detail data into transaction statistical data according to a preset dimension; analyzing the transaction statistical data to obtain a weight value and a risk coefficient of each service; and determining a product of the weight value and the risk coefficient as a risk assessment value of the corresponding service. According to the technical scheme provided by the invention, the accuracy and efficiency of transaction log anomaly identification can be improved, and main production hidden dangers can be solved with lower cost.

The application belongs to the technical field of switching power supply, and an auxiliary circuit is added between two branches of a traditional two-phase Dickson converter; in a dead time when all main power tubes are closed, the auxiliary circuit can transfer the charge of one branch to another branch, realizes zero-voltage turn-on of all main power tubes, and reduces switching loss.

The present invention discloses a bowl rack, which includes a tray, and the tray includes a plurality of support rods extending vertically upward, and the middle and upper parts of the support rods are provided with at least one radially protruding support surface to hang or support utensils to be sterilized. The present invention also discloses a disinfection cabinet equipped with the above-mentioned bowl rack, and the disinfection cabinet is provided with a disinfection mode dedicated to maternal and infant utensils, and the disinfection of maternal and infant utensils and ordinary tableware are separately arranged, so as to avoid the contamination of maternal and infant utensils by ordinary tableware. The bowl rack in the present invention allows maternal and infant utensils to be neatly arranged, enhances the disinfection effect, realizes multi-purpose of one machine, and improves the user experience.

The application discloses a detachable automatic feeding device, which comprises a main cavity, a front cover installed at the front end of the main cavity, and a rear cover installed at the rear end of the main cavity, wherein the front cover is provided with a liquid outlet hole, a piston body, a piston body sealing ring and a spring are installed in the main cavity and located between the front cover and the rear cover, the piston body sealing ring is sleeved on the piston body, the spring is abutted between the rear cover and the piston body, and the movement of the piston body is driven by the elastic force of the spring, so that the laundry detergent located between the front cover and the piston body in the main cavity is discharged through the liquid outlet hole. The application can be completely extracted and cleaned, and different brands of laundry detergent or softener are prevented from being mixed together.

The invention relates to the technical field of automobile suspension systems, in particular to a high-buckling control arm based on a double-layer metal plate buckling welding closed section structure, the whole high-buckling control arm is streamline, the high-buckling control arm comprises a control arm upper plate and a control arm lower plate, a closed section is formed through welding, and a welding path avoids a high-stress area and a tire envelope; reinforcing ribs for improving the buckling performance are arranged on the control arm upper plate; the control arm lower plate is provided with a protruding section and a local flange which are used for improving the buckling performance. The structural design of the control arm is optimized, so that the buckling performance and the strength of the control arm meet the requirements on the premise that the control arm is matched with peripheral envelope and the dead weight of a product is not increased, the cost is reduced, the performance and the reliability of the product are improved, and a design thought is provided for the control arm.

The utility model relates to an evaporation device capable of avoiding leakage of toxic gas particles, which comprises an evaporation cavity, a first isolation door and a second isolation door are arranged on the side wall of the evaporation cavity, the first isolation door and the second isolation door are positioned on two sides of one corner of the evaporation cavity, and a positioning rod is arranged on the inner side of the evaporation cavity; the aluminum film winding device is arranged on the outer wall of the evaporation cavity and located on the outer side of the first isolation door and the outer side of the second isolation door. An aluminum film is arranged in the aluminum film winding device, penetrates out of the aluminum film winding device, enters the evaporation cavity through the first isolation door, penetrates through a gap between the positioning rod and the inner wall of the evaporation cavity anticlockwise, and then returns into the aluminum film winding device through the second isolation door. The glove box is arranged below the evaporation cavity and is used for adding an evaporation source and replacing a crystal oscillator; and the lifting supporting mechanism is arranged in the glove box and used for driving the evaporation source and the crystal oscillator to move up and down. According to the utility model, automatic replacement of the cavity lining of the evaporation cavity is realized through the aluminum film winding device, evaporation materials are added through the lifting support mechanism in the glove box, a crystal oscillator is replaced, the cavity opening frequency is reduced, and people are prevented from inhaling toxic gas.

The utility model provides a safe throwing and turning machine for fertilizer production, which comprises a movable support, a lifting plate arranged on the movable support in an up-down sliding manner, hanging plates fixedly connected to two ends of the lifting plate in the length direction, and a turning mechanism and a stirring mechanism arranged between the two hanging plates, the overturning mechanism comprises a first rotating shaft rotationally arranged between the two hanging plates, a plurality of first stirring blades arranged on the first rotating shaft and a mounting seat arranged on the first rotating shaft in a sleeving manner, and the stirring mechanism comprises a second rotating shaft rotationally arranged on the mounting seat and a plurality of second stirring blades arranged on the second rotating shaft. According to the safe throwing and turning machine for fertilizer production, the first rotating shaft can be driven to rotate so as to drive the second rotating shaft to rotate at the same time, so that the first stirring blades and the second stirring blades are used for throwing and turning fertilizers, and the throwing and turning efficiency is improved; and the harm to the personal safety of workers caused by insufficient turning of the organic fertilizer is reduced.