116results about How to "Keep efficient" patented technology

A method for distributing internal memory pool of embedded operation system includes distributing internal memory pool formed by internal memory block and head in internal memory source according to size internal number of various internal memory block and size of internal memory head, initializing said internal memory pool to confirm initial address of internal block in various sizes and satisfying internal memory application by combining multiple internal memory block when waste over threshold is existed at minimum single internal memory block satisfying to said internal memory application.

The present invention provides methods for selecting refrigerant and lubricant combinations for use in heat transfer cycle systems and provides methods for operating said heat transfer systems. More particularly, the invention provides methods to select lubricant and refrigerant combinations for a heat transfer cycle system wherein at the lower temperatures of the heat transfer cycle the refrigerant and lubricant are miscible and at the upper temperatures of the heat transfer cycle the refrigerant and lubricant are phase separated and such that the density phase inversion temperature of the combination is below the upper operating temperature of the heat transfer cycle.

The invention discloses a perishable organic garbage degrading bactericide carrier. The carrier consists of the following components in percentage by weight: 60 to 89.9 percent of support material, 10 to 35 percent of adsorption material and 0.1 to 20 percent of water absorption and waterholding material. The support material is plant shells or scraps with looseness, porosity and strong air permeability; the adsorption material is a material with high adsorption property and strong water absorption property for garbage degrading functional bacteria; and the water absorption and waterholding material is high water-absorbing resin. The carrier has the functions of support, adsorption and water retention at the same time. When perishable organic garbage degrading bactericide is used with the carrier, the carrier can improve the perishable organic garbage degrading capability and prolong the running time of a perishable organic garbage degrading system.

The invention discloses a micro-application / network transmission / physical (Micro-ANP) Micro-ANP communication protocol model architecture method of an underwater acoustic sensor network (UWSN). The method comprises three parts, i.e. Micro-ANP protocol stack hierarchy classification, Micro-ANP network transmission layer protocol composition and grouped format design, and the optimization of UWSN pack load length. Due to the concise protocol hierarchies and unique network grouping format of Micro-ANP, multiple addresses, first length, calibration, upper protocol type and other packaging, brought by a traditional hierarchy model, can be reduced, and the problems that in a sensor node, uplink protocol stacks cannot be too complicated due to computation, storage, energy and other extremely limited resources can be solved; and due to the optimized design of the UWSN pack load length, the energy and the consumption of end-to-end delay and other resources can be reduced, and simultaneously, the network throughput and the transmission reliability are improved. The Micro-ANP communication protocol model architecture method of the underwater acoustic sensor network is applicable to network communication of underwater data acquisition, environment monitoring, disaster prevention, resource monitoring and other application based on the UWSN, and has good application prospect as an effective and practical technical scheme.

The invention relates to the field of aviation and specifically relates to a cleaning agent for aircraft pipelines and a preparation method thereof. The cleaning agent comprises an organic acid, a corrosion inhibitor, a surfactant, auxiliaries and deionized water, wherein the organic acid is a complex organic acid, the complex organic acid comprises an aminosulfonic acid and an organic acid with a low pH buffer value, and the complex organic acid accounts for 8-20% by weight of the total cleaning agent; in order to further improve the pH buffer capacity of the cleaning agent and improve the proportion of the organic acid with the buffer function in the complex organic acid to keep the high efficiency in descaling of the cleaning agent, the proportion of the complex organic acid to the aminosulfonic acid in parts by weight is (25-50): (75-50). By adding the high-efficient corrosion inhibitor in the formula, the corrosion to metal materials caused by the acid is greatly reduced, so that the safety of aircraft materials is ensured.

The invention provides a stem cell-loaded injectable bone repair adhesive for highly bionic active bone tissues. The stem cell-loaded injectable bone repair adhesive is composed of hydrogel with a multiple hybrid cross-linked network structure and stem cells distributed in the hydrogel with the multiple hybrid cross-linked network structure. The bone repair adhesive has an interpenetrating networkstructure after freeze drying. A high polymer material with carboxyl and catechol functional groups is subjected to oxidation self-crosslinking, the high polymer material with carboxyl and catechol functional groups and a high polymer material with amino and carboxyl are subjected to Michael addition reaction, phenolic hydroxyl groups on the high polymer material with carboxyl and catechol functional groups and calcium ions dissociated from micron-sized spherical hydroxyapatite are chelated to form the multiple hybrid cross-linked network structure, and the micron-sized spherical hydroxyapatite is uniformly distributed in the multiple hybrid cross-linked network structure. The bone repair adhesive can promote adhesion and proliferation of stem cells while improving the tissue adhesion, and enhance angiogenesis and osteogenesis of stem cells.

The invention relates to multi-mode signal processing, and provides a signal processing method of a computer system. The method comprises the following steps: acquiring different modal signal data by using a plurality of sensors and performing timestamp synchronization; a depth time sequence alignment network and a multi-layer dynamic time warping algorithm are utilized to ensure signal time consistency; multi-modal signal features are extracted and fused through a multi-stream depth feature extraction network and a cross-modal attention mechanism; the system adopts a dynamic convolution kernel generation and meta-learning technology to carry out adaptive signal processing; noise suppression and signal optimization are carried out by using a multi-mode noise reduction auto-encoder and a generative adversarial network, and parameters are optimized and processed through closed-loop feedback control and reinforcement learning strategies. According to the method, synchronization, fusion, adaptive processing, noise suppression and real-time feedback control of multi-mode signals are realized, and the method has the advantages of high precision, high robustness and real-time performance.

The invention provides a database self-adaptive encryption method and relates to the technical field of database security. The database self-adaptive encryption method comprises the steps that S1, request content of a database of application programs is recorded; S2, use modes of specific fields are analyzed, database patterns are scanned, and data features are acquired; S3, semantic features of the fields in the database are determined; and S4, different encryption algorithms are selected according to the semantic features of the fields. Through the database self-adaptive encryption method, database field types can be effectively recognized, appropriate encryption algorithms are selected according to the field types to perform encryption, encryption is rigorous, the encryption process isconvenient, and the high efficiency of the database on data retrieval still can be maintained.

A protecting casing for a transducer has an outer casing, an inner casing, a circuit board and a connector. The inner casing is detachably mounted in the outer casing and has a mounting hole and a cap detachably mounted on the inner casing to cover the mounting hole in a watertight manner. The circuit board is detachably mounted in the inner casing and has a surface, a circuit formed on the surface and a plug with terminals extends out of the inner casing. The connector is detachably mounted to the outer casing and is electrically connected between the circuit board and an external functional accessory component. Within such an arrangement to facilitate maintenance, assembly of the transducer, and effectively avoid intrusion of water, foreign object and the like.

A solar low-temperature radiation device consists of a solar heat collector (1), a circulating pump (2), an intelligent controller (3), a bedstead (4), a temperature sensor (5), a bed plate (6), a heat exchange pipeline (7) and a heat exchange medium (8) and is characterized in that the heat exchange medium (8) in the solar heat collector (1) is driven by the circulating pump (2) to flow through the heat exchange pipeline (7) arranged on the bed plate (6) and then return to the solar heat collector (1); and the intelligent controller (3) controls the on / off of the circulating pump (2) through the temperature of the bed plate (6) measured by the temperature sensor (5) so as to control the temperature of the bed plate (6).

The invention provides a method and device for dynamically allocating an internal storage in an online class system. The method includes the following steps: a main thread establishes sub-threads with a first preset number and establishes internal storage blocks the same as the sub-threads in number; the main thread places the internal storage blocks into an internal storage queue, and the internal storage blocks in the internal storage queue are ranked according to the order of time stamps of the internal storage blocks, wherein the first position in the internal storage queue serves as the queue head, and the final position in the internal storage queue serves as the queue tail; the main thread allocates the internal storage block, at the queue tail position, in the internal queue to the sub-thread for executing reading operation; the main thread allocates the internal storage block, at the queue head position, in the internal storage queue to the sub-thread for executing writing operation.

The invention discloses a transformer on-line monitoring and fault early warning system, and particularly relates to the technical field of power equipment monitoring, and the system comprises a signal collection module, a signal filtering module, a broadband focusing module, a signal complexity analysis module, a threshold self-tuning module, a fault early warning module and a fault positioning module. The signal acquisition module acquires operation data of a transformer in real time through a sensor network, the filtering module removes noise, and the broadband focusing module converts broadband signals into narrow-band signals, so that the resolution is improved; the signal complexity analysis module evaluates the signal complexity, and the threshold value self-tuning module dynamically adjusts the threshold value; the fault early warning module judges whether to trigger early warning based on the adjusted threshold value, and the fault positioning module determines the position of the partial discharge source through a cross positioning algorithm; according to the invention, the problem that the accuracy of early warning is affected due to the fact that a traditional fixed-threshold monitoring method is easy to generate false alarm or missing alarm can be solved, and operation and maintenance personnel can be helped to quickly determine the position of a fault source through cross positioning.

The invention provides a context compression method based on query guidance. The context compression method comprises the following steps: filling query information and a context to be compressed into a dialogue template; respectively calculating first attention numerical values of a plurality of lexical elements in the context of the dialogue template; performing attention reconstruction on the context according to the first attention numerical values corresponding to the plurality of lexical elements; and compressing the context after the attention reconstruction to be within a preset target compression ratio. The invention further provides a context compression system based on query guidance, a storage medium and electronic equipment. Therefore, key information can be more efficiently reserved, a shorter context is input to the generative model, the reasoning efficiency of the generative model in a long context reasoning scene is improved, and the reasoning cost is reduced.

The invention relates to an artificial intelligence technology, and discloses an image intelligent matching method, which comprises the steps of receiving an original image set, and performing preprocessing operation including contrast enhancement, noise reduction and local threshold binarization on the original image set to obtain a preprocessed image set; performing scale invariant feature transformation on the preprocessed image set to obtain a scale invariant feature set, and performing clustering operation on the scale invariant feature set to obtain an optimized feature set; and inputting the optimized feature set and the original image set into a Hadoop big data processing library, establishing a key value pair relationship for the optimized feature set and the original image set, traversing the optimized feature set to obtain a traversal result, and outputting a matching result for an original image according to the key value pair relationship and the traversal result. The invention further provides an intelligent image matching device and a computer readable storage medium. According to the invention, rapid and accurate image matching can be realized.

The invention discloses a manual feeding and returning two-way hydraulic system, which comprises a hydraulic cavity, wherein one end of the hydraulic cavity is provided with a piston system, the other end of the hydraulic cavity is provided with two one-way valve structures, the piston system comprises a piston and a traction rod, the piston is positioned in the hydraulic cavity, the traction rod penetrates through one end of the hydraulic cavity to be connected with the piston, the inlet directions of the two one-way valve structures are opposite, an annular rail framework is arranged in a position near the traction rod part, the annular rail framework is divided into an outer frame and an inner frame, an inner frame gear strip is fixedly arranged on one side, near the traction rod, of the inner frame, a traction rod gear strip is fixedly arranged on one side, near the inner frame, of the traction rod, and a movable gear used for lifting the traction rod in a rolling way is arranged between the inner frame gear strip and the traction rod gear strip. Compared with the prior art, the manual feeding and returning two-way hydraulic system has the advantages that the movable gear is used for manually operating to drive the traction rod to move, and the small-scale and low-speed hydraulic power output operation and control is realized.

The invention discloses an exploration motor. The exploration motor comprises a shell, wherein one end of the shell is provided with a motor head; the upper end of the motor head is provided with a thrust sliding bearing component; the shell is also internally provided with a stator and a rotor; the stator is arranged sectionally; a sliding bearing is arranged between every two adjacent sections of the stator; the thrust sliding bearing component is sheathed on the rotor; the sliding bearing is ring-shaped and comprises a bearing inner ring and a bearing outer ring which are mutually matched; the bearing inner ring is arranged on the rotor, and the bearing outer ring is arranged on the shell; the thrust sliding bearing component comprises a thrust sliding bearing, a sliding plate, a positioning pin, a positioning ring and a half-opening ring. The exploration motor disclosed by the invention has the advantages that the stability and the high efficiency of operation can be maintained under the condition of bearing larger load, the energy is saved, the working efficiency is high and the service life is long.

The invention discloses a data dimension reduction processing method and device, computer equipment and a storage medium. The method comprises the steps of quantifying sample data in a sample data setaccording to an information quantification rule to obtain feature quantification information, determining a dimension number according to the feature quantification information and a dimension reduction proportion value, grouping the sample data according to the dimension number and the feature quantification information, and obtaining an initial centroid, and performing iterative correction on initial execution of each group of sample data to obtain a corresponding target centroid, and calculating a distance characteristic value between each piece of sample data and each target centroid to serve as a dimension reduction characteristic of each piece of sample data. The method and device are based on a data dimension reduction processing technology and belong to the field of big data processing, dimension reduction processing is carried out on attribute information of sample data while all the attribute information of the sample data is reserved, and analysis processing is carried outon the sample data based on dimension reduction features obtained after dimension reduction, so that the accuracy of analysis and processing can be ensured, and the efficiency of analysis and processing is greatly improved.

The invention discloses a photovoltaic panel and a supporting device thereof, and belongs to the technical field of photovoltaic panels, and the photovoltaic panel comprises a photovoltaic panel main body, a supporting frame is fixedly arranged on the lower side of the photovoltaic panel main body, a supporting column is fixedly connected to the bottom of the supporting frame, a rotating frame is rotatably connected to the supporting column, and an adjusting mechanism is rotatably connected to the rotating frame. A protective cover is fixedly connected to the adjusting frame, a weeding mechanism is rotatably connected to the bottom end of the adjusting frame, and a movable frame is arranged in the adjusting frame in a sliding fit mode. In the photovoltaic panel, in the use process of the photovoltaic panel, after weeds below the photovoltaic panel grow to a certain height, the cutter bar can be driven to rotate by using the rotating frame, so that the cutter bar automatically weed the weeds below the photovoltaic panel, it is ensured that illumination of the area below the photovoltaic panel is not shielded, potential threats of the illumination to a photovoltaic system are reduced, and the photovoltaic system is protected. Long-term stable operation of photovoltaic equipment is ensured, the power generation efficiency of a photovoltaic panel is maintained, the manual maintenance cost is reduced, and the overall management level is improved.

The invention provides a dust collector and a fertilizer machine. The dust collector comprises a shell, a filtering mechanism and an elastic mechanism, wherein the shell is provided with a first nozzle, a second nozzle and a filtering chamber, and the filtering chamber is arranged between the first nozzle and the second nozzle; one end of the elastic mechanism is arranged at the inner side of the top wall of the filtering chamber, and the other end of the elastic mechanism is provided with the filtering mechanism; and the filtering mechanism is arranged in the filtering chamber. When the dust collector and the fertilizer machine provided by the invention work, the elastic mechanism can allow the filtering mechanism to shake up and down due to the air flow, the dust attached to the surface of the filtering mechanism is shaken off, and the filtering mechanism is not easily clogged, so that filtering flanges do not need to be frequently disassembled to be cleaned up, and thus the continuity and high efficiency of fertilizer production are maintained.

The invention discloses a mineral leaching device for membrane bioreactor combined ion exchange. The mineral leaching device comprises a control cabinet, reaction tanks, membranes, an ion exchange column, heating pipes, aeration pipes, a metal ion collector, an eluent control valve, reaction tank slag discharge valves, a nutrient solution storage bottle, a regeneration solution storage bottle and a regeneration control valve. The two sides of the control cabinet are provided with the two reaction tanks respectively; and the membranes, the heating pipes and the aeration pipes are arranged in the reaction tanks. The bottoms of the reaction tanks are provided with the reaction tank slag discharge valves, the bottom of the regeneration solution storage bottle is provided with the regeneration control valve, and a pipeline connected with the ion exchange column and the metal ion collector is provided with the eluent control valve. The mineral leaching device is simple in structure, the influence on mineral leaching caused by factors such as temperature, aeration quantity and leaching chemical environment of the reaction tanks is considered, and the mineral leaching device is novel and reasonable in design, high in working efficiency and very suitable for bio-leaching of mesophilic bacteria and thermophile bacteria.

The invention relates to the technical field of watermark generation, and discloses a watermark adding method and system, and the method comprises the steps: obtaining an original video stream, and carrying out the preprocessing and decoding of the original video stream, and obtaining an uncompressed video frame; generating a to-be-embedded watermark content according to a specific scene and a demand; distributing the generated watermark content to be embedded and the obtained uncompressed video frame to a plurality of CPU threads for parallel processing; judging whether the system is in a high-load state or not according to the utilization rates of the CPU and the GPU, if the system is in the high-load state, embedding the watermark content into the uncompressed video frame by using an LSB-based watermark algorithm to obtain a to-be-compressed video frame, and if the system is not in the high-load state, embedding the watermark content into the uncompressed video frame by using a DCT-based watermark algorithm to obtain a to-be-compressed video frame; obtaining a to-be-compressed video frame; and compressing and outputting the to-be-compressed video frame. The watermark processing efficiency can be effectively improved, and meanwhile the video quality is guaranteed.

The invention discloses a metro crew scheduling plan compilation optimization method and system based on an algorithm, relates to the technical field of metro scheduling, and is used for solving the problem that a conventional metro crew scheduling system is not timely in peak allocation. In the prior art, traffic roads are directly matched with aircrafts one by one, but the adaptability between the traffic roads and the aircrafts is not fully considered, and optimization is not carried out aiming at special requirements in peak hours. In the peak period, the demand is far greater than that in the low peak period, more aircraft shifts are possibly needed for support, and in the peak period, the important demand is that the route and the aircraft shifts with high matching degree need to be preferentially matched. According to the method, through matching optimization of the route and the locomotive crew and combination of historical passenger flow data, efficient subway team scheduling is achieved, and it is ensured that the shift demand in the peak period is preferentially met.

The invention discloses a paper money sorting machine. The conventional paper money sorting and counting operations are basically completed through manual operation. The sorting machine comprises a paper money temporary storage mechanism, a paper money separation mechanism, a paper money extension and recognition mechanism, a paper money collection and arrangement mechanism, and a peripheral support. To-be-separated paper money is put in the paper money temporary storage mechanism, and enters the paper money extension and recognition mechanism piece by piece through the paper money separation mechanism. The paper money passes through nylon rollers with the constant rotating speed in upper and lower rows, and the face values of paper money are discriminated through employing the characteristics that the lengths of paper money with different face values are different and the shading time of paper money with different face values is different while passing through a bijection photoelectric sensor. In order to improve the discrimination accuracy of paper money, the sorting machine carries out the extension of the paper money in a mode of enabling the nylon rollers to rotate at different speeds. The paper money with different face values outputted by the paper money extension and recognition mechanism enters into a collection box corresponding to the paper money collection and arrangement mechanism. The sorting machine achieves the sorting and arrangement of the paper money with different face values.

The invention relates to the technical field of bird trajectory prediction, in particular to a bird trajectory prediction system based on bird detection radar and big data model analysis, which comprises a data acquisition module, a prediction model establishment module and a prediction model updating module, and is characterized in that the data acquisition module acquires the speed, acceleration, trajectory and time point data of a bird; the prediction model establishing module sets a trajectory prediction model by using the data, predicts the bird trajectory of the next time point according to the data of the preorder time point, calculates a prediction error, optimizes the error through a training strategy in the model so as to update prediction parameters, and records the time required for prediction; the prediction model updating module calculates an influence coefficient according to the error and the prediction time so as to adjust and update a training strategy of the model; according to the process, the problem that a traditional system is difficult to dynamically adapt to bird movement changes is solved, the prediction accuracy and efficiency are improved through a self-adaptive training strategy, and a more stable and reliable bird trajectory prediction effect is achieved.

The invention belongs to the technical field of geospatial information systems, provides a multi-view layout method and system of immersive spatiotemporal data visual-analysis, and aims to solve the problems which are of discontinuity, low efficiency and the like of cognition of analysts among multiple views and exist in the prior art. The method includes: establishing layout space of the views; calculating degrees of attention on all views of a current stage of a visual-analysis task; calculating degrees of association among all the views of the current stage of the visual-analysis task; anddetermining a corresponding view from the other views according to gazing change information which is of an analyst, on the one view and about a view position or analysis change information which is of the analyst, on the one view and about view data, degrees of association between the other views and the view and degrees of attention on the other views, and enabling the same to carry out linkageresponse. According to the method, a multi-view layout is dynamically optimized, and cognition focusing associated with the visual-analysis task is realized to maintain continuity and high efficiencyof cognition of the analyst among the multiple views.

The invention discloses a loudspeaker personalized sound effect adjustment method realized through a collaborative filtering algorithm. The method comprises the following steps: S1, constructing a user behavior data set and an audio feature data set; s2, preprocessing the data set to obtain user features and audio features; s3, constructing and training a multi-branch neural network model, and generating personalized recommendation; s4, using a user-based collaborative filtering algorithm to generate sound effect setting recommendations liked by other users and similar to the sound effect preference of the current user; s5, using a project-based collaborative filtering algorithm to generate sound effect setting recommendation of the audio similar to the current audio characteristics; s6, dynamically adjusting the recommendation weight, and generating diversified recommendation sound effect setting options; and S7, collecting feedback of the user to the recommended sound effect setting, and performing model optimization according to the latest user data and the feedback. According to the method, the multi-branch neural network and the collaborative filtering algorithm are combined, personalized sound effect recommendation is realized, and the method has the advantages of high precision and dynamic adaptability.

The invention relates to the technical field of image communication, in particular to an intelligent camera with active defense and a defense method thereof, and the intelligent camera comprises a data acquisition module, an extraction module, a judgment module, a determination module, a screening module and a defense module. According to the invention, through fusion of a multi-parameter analysis technology and combination of the target position, the attitude angle and the height of a real-time image and dynamic changes of sound intensity, accurate identification of an intrusion target is realized, and the judgment module adopts a multi-level logic of combination of boundary judgment and attitude angle change, so that the accuracy of abnormal target judgment is effectively improved; the screening module reduces erroneous judgment through comprehensive screening of sound intensity and position; the defense module calculates a launching track based on the real-time position and height of the target, fixed-point active defense is achieved through a water bomb, passivity of a traditional voice alarm mode is avoided, and the problem that the response speed is not timely due to single fingerprint recognition and vibration monitoring data is effectively solved.

The invention discloses a three-dimensional model generation method and device, and relates to the technical field of three-dimensional model generation, and the method comprises the following steps: constructing a pseudo graph diffusion model based on a preset three-dimensional model data set; inputting text description information of the model to be constructed into the pseudo-graph diffusion model to obtain corresponding three-plane representation information; and refining the three-plane representation information based on a fractional distillation sampling technology to obtain a three-dimensional model. According to the method, the understanding of text description is improved, so that the limitation of an existing method is overcome while high efficiency and quality are kept, and actual requirements are met.

The invention discloses a battery power system which is used in a low-speed miniature electric vehicle. The battery power system includes a battery box. The battery box is internally equipped with a battery clamp assembly used for assembling a plurality of ternary lithium batteries into a battery module. A pre-charging unit and a battery management system are arranged on one side of the battery module. The battery management system is equipped with a battery voltage data collection board which is connected with the battery module to collect the voltage and current data of the battery module inthe charging and discharging process in real time. When the collected data is greater than a preset threshold, the battery management system makes the pre-charging unit disconnected from the batterymodule. The battery power system of the invention has the advantages of simple and compact structure, long service life, environmental protection and safety.

The invention discloses an environment-friendly paint drier; the environment-friendly paint drier is simple and clear in ingredients and low in cost; compared with a traditional drier, the environment-friendly paint drier contains no harmful toxic substances, such as cobalt or lead, and also has high-efficiency dry-promoting activity. The environment-friendly paint drier is characterized by comprising the components in parts by weight: 1-5 parts of manganese carbonate, 0.5-1.5 parts of aliphatic alcohol phosphate diethanolamine, 1-3 parts of glycerol, 1-6 parts of a cosolvent, 1-5 parts of polyvinylpyrrolidone, and 5-10 parts of deionized water.