145results about How to "Run fast" patented technology

The invention discloses a grid exhaustion search cross-pulse pairing method based on correlation matching, and belongs to the technical field of radio signal positioning and detection. According to the method, aiming at the problems of large cross-pulse signal pairing calculation amount and low accuracy in a multi-aircraft cooperative positioning system, efficient and accurate cross-pulse pairing is realized by establishing a cross-pulse boundary model, a symbol matching constraint mechanism and a related matching verification mechanism. The method comprises: determining upper and lower bounds of a cross-pulse according to a geometrical relationship; correcting the search range by using symbol matching; solving a candidate target solution in the limited interval by adopting grid exhaustion search; and a unique effective solution is screened through time and geometry consistency verification. The method can effectively reduce the calculation complexity, improves the cross-pulse pairing precision and uniqueness, and is suitable for a passive positioning system in a multi-target, multi-base-station and low-signal-to-noise-ratio environment. Experiments prove that the pairing time can be shortened by about 50% while high positioning precision is kept, and the method has high engineering application value.

The invention provides a rapid pollutant detection method based on spectral feature analysis, and relates to the technical field of environmental pollutant spectral detection, and the method comprises the following steps: obtaining an original absorption spectrum of a sample, and preprocessing and reconstructing an intrinsic spectral signal; extracting three types of features of morphology, frequency domain energy distribution and phase disturbance, and splicing to obtain a multi-dimensional joint feature tensor; pollutant classification and confidence judgment are completed through an improved CNN, and concentration is predicted through a linear regression model synchronously; in combination with a Mahalanobis distance verification result, deep residual network secondary feature mining is triggered for a low-confidence sample, a final type is determined according to a fusion result, and the concentration is corrected; and generating a detection report and dynamically updating the spectral feature intrinsic library. The method is adaptive to a portable ultraviolet-visible spectrophotometer, the single sample detection time consumption is less than 10min, the classification accuracy is greater than or equal to 90%, the unknown pollutant judgment accuracy is greater than or equal to 89%, and the method is suitable for on-site rapid detection.

The embodiment of the application relates to the technical field of image processing, and discloses an image comparison method, system, electronic equipment and computer readable storage medium, the method comprising: respectively pre-processing and adaptively binarizing a test image and a template image corresponding to the test image to obtain a first image and a second image; performing target detection on the first image, respectively removing a detected target region in the first image and a region in the second image with the same position as the target region to obtain a third image and a fourth image; extracting feature points in the third image and the fourth image and performing feature point matching to determine matched feature points; performing global binarization on the pre-processed test image and the template image and performing difference processing to obtain a difference image; and obtaining an image comparison result based on the matched feature points and the difference image, so that different elements between images are efficiently identified, elements that do not need to be focused on are excluded, and the workload of a tester during rechecking is reduced.

This invention relates to the field of robot interaction technology, specifically to a method for recognizing the intensity of human-computer interaction intentions in real time. The method includes the following steps: S1, acquiring video of pedestrians through a collection unit mounted on the robot, performing frame extraction on the video, and using a 3D skeleton extraction model to extract the skeleton information of each pedestrian in each frame in chronological order; S2, based on the skeleton information of each pedestrian in each frame, using a preset lightweight motion behavior recognition model to identify the interaction reference information of each pedestrian; S3, analyzing and processing the three types of interaction reference information—straight-line distance, orientation information, and motion behavior—to obtain the real-time interaction intention intensity of the pedestrian relative to the robot. This invention can accurately identify the interaction intentions of pedestrians, thereby improving the initiative and naturalness of social robots when interacting with humans.

The utility model discloses a pole plate and an electrolytic bath, and relates to the technical field of electrolysis, the pole plate comprises a plate body, a pole frame and an outer frame, the pole frame is arranged on the peripheral side of the plate body, the outer frame is arranged on the periphery of the pole frame in a surrounding mode and fixed to at least one of the plate body and the pole frame, and the outer frame is arranged on the periphery of the plate body. And the compressive strength of the outer frame is higher than that of the pole frame. According to the technical scheme, the structural stability of the polar plate is improved, and the structural stability of the electrolytic cell is guaranteed.

The utility model discloses a quick replacement mechanism for a small insert of a plastic mold, and relates to the technical field of plastic molds. The mold comprises an injection molding base, an injection molding mold is installed on the injection molding base, an installation groove is formed in the injection molding mold, an insert is movably arranged in the installation groove, through grooves which are communicated are formed between the injection molding mold and the injection molding base, a positioning groove and an ejection groove are formed in one side of the injection molding base, and a positioning rod is arranged in the through groove. A mounting seat is mounted at the end, close to the insert, of the positioning rod, the insert is mounted on the mounting seat, a positioning hole is formed in the positioning rod, an insertion rod is mounted in the positioning groove, one end of the insertion rod can be inserted into the positioning hole, and the mounting portion of the insertion rod can be replaced from the positioning groove to an ejection groove. According to the utility model, the insert replacement time is greatly shortened, the disassembly and assembly working hours are saved, the working efficiency of production operation is remarkably improved, and a powerful guarantee is provided for quick mold replacement and continuous and efficient operation of injection molding production.

This invention relates to the field of energy storage system control technology, and discloses an intelligent control and power regulation method for a string-type grid-connected energy storage system, comprising: S1, acquiring grid status and mode-defined demand; S2, acquiring cluster-level topology mapping; S3, collecting cluster state variables of each energy storage cluster; S4, determining capacity estimates and uncertainty metrics, and shrinking or correcting capacity boundary terms; S5, performing inter-cluster collaborative allocation based on support demand and available capacity to obtain support shares; S6, mapping control parameters and controlling converters; S7, event-triggered reconfiguration and reallocation. By introducing a safe availability capacity assessment mechanism based on cluster-level capacity estimation, uncertainty metrics, and boundary shrinkage, the method achieves precise on-demand supply of grid support while meeting current, voltage, and temperature constraints, significantly reducing the risks of overload, exceeding limits, and misjudgment, and improving system safety and support effectiveness.

A method for generating contraband images based on an improved DDPM (Discretionary Data Processing Model) is disclosed. The method includes: creating a contraband dataset; constructing a contraband image generation model based on the improved DDPM and generating feature maps of contraband in different poses; determining the weights of the contraband image generation model based on the improved DDPM; and generating an image of a specific contraband. The contraband image generation method based on the improved DDPM provided by this invention has the following advantages: it reduces the number of model parameters and improves model running speed; it improves model performance, perception ability, and efficiency, better handles multi-scale features, and reduces model parameters and computational load; it better captures global contextual information in the image, thereby improving the accuracy of image segmentation and allowing the model to focus more on important regions in the image.

This application relates to the technical field of stamping and die-cutting equipment, and discloses a quick-change mechanical locking stamping and die-cutting machine, comprising: a stamping and die-cutting machine body, a driving device arranged on the right side of the stamping and die-cutting machine body, a control device arranged on the top of the driving device, a top plate arranged on the top of the stamping and die-cutting machine body, a die-changing mechanism arranged below the top plate, a cleaning mechanism arranged behind the die-changing mechanism, a feeding mechanism arranged to the left of the cleaning mechanism, a first guide roller arranged on the right side of the stamping and die-cutting machine body, and a receiving device arranged to the right of the first guide roller. This invention solves the problems of low feeding accuracy due to large tension fluctuations during the feeding process in existing stamping and die-cutting machines, the time-consuming and labor-intensive manual die-changing process with unreliable locking safety hazards, and the problem that a single negative pressure waste suction method is incomplete in cleaning adhesive debris, affecting product quality and production continuity.

The application relates to the technical field of intelligent mobile devices, in particular to a differential horizontal rudder wheel assembly which comprises a walking motor module, a steering motor module, a planetary reducer module and an optimized mechanical connection assembly. The walking motor and the steering motor are both servo motors, high-torque output and accurate control are realized by combining the planetary reducer; the mechanical structure is compact, the installation height is 340 mm, and the integration degree is high; the wheel body is made of polyurethane material, can bear 1500 kg and is suitable for complex working conditions; NPN normally open proximity switches are configured to realize closed-loop control. The application can provide high-precision and high-performance driving, is suitable for automatic devices such as intelligent logistics vehicles and AGV trolleys, meets the demand of complex working conditions and improves the operation reliability.

The application discloses a kind of based on Transformer's roadside LiDAR-camera external parameter calibration method and system, including LiDAR and camera two kinds of hardware, system runs on roadside computing unit.This system is composed of feature extraction, feature matching and parameter prediction module.Feature extraction module is composed of two branches of LiDAR and camera.Feature extraction module will the point cloud data collected by LiDAR and the image data shot by camera as input, output LiDAR feature and image feature.Feature matching module is composed of correlation layer and Transformer architecture, with LiDAR feature and image feature as input, carries out fine-grained matching to LiDAR and image feature.Finally, parameter prediction module carries out parameter regression to the fine-grained feature matched by LiDAR and camera, predicts parameter, carries out three iterations refinement to the output parameter, finally outputs the predicted external parameter.The application carries out automatic external calibration to the LiDAR and camera of roadside scene, improves the accuracy and stability of roadside calibration, and does not need calibration object.

A vertical wet tissue packaging machine. It belongs to the technical field of packaging machinery. It solves the problems of large size and low efficiency of the existing wet tissue packaging machine. It comprises a frame body, and further comprises: a film material unwinding device arranged on the frame body for unwinding the film material; a film material traction device arranged on the frame body for traction of the film material; a preheating device arranged on the frame body for preheating after film material feeding; a heat sealing device arranged on the frame body for heat sealing of the film material; a longitudinal cutting device arranged on the frame body for longitudinal cutting of the heat sealed product; a bag cutting device arranged on the frame body for transverse cutting of the heat sealed product; the preheating device, the heat sealing device, the longitudinal cutting device and the bag cutting device are vertically arranged on the frame body in sequence, and the heat sealing device is in sliding cooperation with the frame body; and a discharging device for collecting the product at the bag cutting device and discharging the product. The utility model has the advantages of simple structure, reliable action, small size, high production efficiency, long service life and the like.

The utility model discloses a traditional Chinese medicine decoction piece processing and powder screening device which comprises a powder screening chamber, a feeding assembly is installed on the top of the powder screening chamber and comprises a spiral conveyor fixedly installed on the outer wall of the top of the powder screening chamber, the spiral conveyor is arranged in a horizontal state, and an outlet of the spiral conveyor is arranged towards the powder screening chamber. A discharging pipe is rotationally connected to the top of the powder screening chamber, the middle part of the discharging pipe is obliquely arranged, the discharging pipe rotationally sleeves an outlet of a spiral conveyor, a funnel-shaped storage hopper is arranged on one side of the top of the spiral conveyor, a bevel gear II is coaxially fixed to one end of a spiral rod in the spiral conveyor, and a bevel gear II is coaxially fixed to the other end of the spiral rod in the spiral conveyor; by arranging the feeding assembly, the feeding channel can be blocked through raw materials, dust is effectively prevented from escaping outwards, the positions of powder can be distributed, the powder can be screened more quickly, and the situation that the powder is accumulated at one position and influences the screening efficiency is avoided.

The application discloses a kind of high-speed acquisition system and acquisition method applied to optical absolute gravimeter laser interference fringe signal, the system includes analog signal conditioning unit, analog-digital conversion unit, system core control unit, data cache unit, data transmission unit and measurement and control terminal processing display unit.The application is directed to laser interference fringe signal frequency is high, voltage amplitude is low, acquisition rate is fast, and absolute gravity precision measurement requires signal integrity, measurement precision is high, and the high-speed acquisition system of laser interference fringe signal of optical free-fall absolute gravimeter based on FPGA is designed, the advantage of FPGA parallel computation processing is fully utilized, in combination with serial bus transmission technology (USB) and FIFO cache technology, the processing time of acquisition system in interference fringe signal acquisition, storage and transmission etc. is greatly shortened.The application effectively improves the acquisition speed of absolute gravity, and provides basic guarantee for realizing dynamic measurement and monitoring of absolute gravity.

This utility model discloses a sulfur recovery flue gas expansion joint assembly with heat recovery effect, including an expansion joint body installed on the flue gas duct of the sulfur recovery system. The expansion joint body includes a corrosion-resistant corrugated pipe, a jacketed heat recovery mechanism, and an associated component that limits the transition displacement of the jacketed heat recovery mechanism. The jacketed heat recovery mechanism is sleeved on the outside of the corrosion-resistant corrugated pipe, and the jacketed heat recovery mechanism uses the inner and outer expansion joints to form a dehydration circulation cavity. This utility model, through the cooperation of the corrosion-resistant corrugated pipe, the jacketed heat recovery mechanism, and the associated mechanism, enables the expansion joint body to achieve integrated operation of heat recovery and corrosion protection. By using the jacketed heat recovery mechanism to form a dehydration circulation cavity with the inner and outer expansion joints, the expansion joint body can be cooled down, while increasing its corrosion resistance and service life, thereby improving the stable operation of the sulfur recovery system.

The utility model discloses a highland water pump relates to water pump technical field, including base and pump body, pump body fixed mounting is on the base, and the water inlet pipe and drain pipe are fixedly installed on the pump body, and the slide is fixedly arranged on the base, and the sliding slot is equipped on the slide, and the socket is slidably arranged in the sliding slot, and the protection cover is fixedly arranged on the socket, and the connecting frame is fixedly arranged on the protection cover, and the fan is fixedly arranged on the connecting frame, and the protection cover is protected from the sun to the pump body through the protection layer cooperation, and effectively reduce the direct sunlight of ultraviolet to the pump body, and cooperate the fan simultaneously, and form the quick airflow in the protection cover, thereby effectively take away the heat generated when the pump body runs, and the overall heat dissipation effect is good, keeps the stable operation of pump body, and through the cooperation of slide and socket, it is convenient to the protection cover quick dismounting and overhauls, and the external water flow first carries out the primary filtration through the second filter screen, then carries out secondary filtration interception through the first filter screen, intercepts most of the impurities in the water flow, keeps the stable operation of water pump.

This invention relates to the field of classifying rotating equipment in refining and chemical enterprises, and provides a method and apparatus for classifying rotating equipment in refining and chemical enterprises. The method includes: determining the severity score and single-point failure / non-single-point failure score of various failure consequence indicators for each rotating equipment in the refining and chemical enterprise; calculating the risk priority number of each rotating equipment based on the severity score, single-point failure / non-single-point failure score, and weight of each failure consequence indicator; and determining the risk level of each rotating equipment based on its risk priority number. This invention can improve the accuracy of rotating equipment risk levels and provide a scientific and reasonable basis for the classified management of rotating equipment in enterprises. It can also provide a reference for rotating equipment maintenance measures and the allocation of maintenance resources.

The utility model relates to the technical field of shock absorbers, in particular to a thermal shrinkage film damping spring sleeve, which mainly solves the problems that the shock absorber in the prior art is poor in operation smoothness and generates friction sound, and comprises a spring and a thermal shrinkage film sleeve sleeved on the spring, the inner diameter of the thermal shrinkage film sleeve is 20mm-32mm, the thickness of the thermal shrinkage film sleeve is 0.1 mm-0.3 mm, and the inner diameter of the thermal shrinkage film sleeve is 20mm-32mm. The shrinkage rate of the thermal shrinkage film sleeve is 0.5, and the ratio of the axial length of the spring to the axial length of the thermal shrinkage film sleeve is (3-5): 1.

The present disclosure provides a voltage regulation circuit and a memory. The voltage regulation circuit comprises a power supply generation module, a selection control signal generation module and a voltage selection module. The power supply generation module is configured to generate a plurality of groups of transistor substrate voltages, wherein each group of transistor substrate voltages corresponds to at least one state of a sensitive amplifier. The selection control signal generation module is configured to generate a corresponding selection control signal based on the current state of the sensitive amplifier. The voltage selection module is configured to receive the plurality of groups of transistor substrate voltages and the selection control signal, and to select a corresponding group of transistor substrate voltages to output to the substrate end of a transistor in the sensitive amplifier in response to the selection control signal.

This application discloses a method for processing an application program and a related product. The method includes: when a non-service module obtains a first running instruction triggered by a user for running a target first service module, sending, by a terminal, a key acquiring request to a digital rights management (Digital Rights Management, DRM) server by using the non-service module, where the key acquiring request is used to request key information corresponding to the target first service module, and the key information is fed back by the DRM server when it is determined that the user has use permission of the target first service module; and decrypting, by the terminal, the target first service module based on the key information by using the non-service module, and executing a service function corresponding to the target first service module.

The application relates to a high-precision low-torque servo module load adaptive method, which comprises the following steps: based on the structure and working principle of a low-torque servo module, load bearing capacity theoretical calculation is carried out on each component in the low-torque servo module to obtain a load theoretical parameter set of each component; based on the load theoretical parameter set, load response characteristic testing is carried out on each component to obtain a load response characteristic set of each component; the load response characteristic set is used to correlate and analyze a load collaborative correlation parameter set among the components; based on the load collaborative correlation parameter set, a low-torque servo module load adaptive strategy is formulated to obtain a load adaptive strategy set of each component; and based on the load adaptive strategy set, load adaptive control is carried out on the low-torque servo module, so that the technical problem that in traditional design methods, load parameters of each component are often set according to experience or simple theoretical calculation, and each component is difficult to play the best performance in actual operation is solved.

This invention discloses an unmanned intelligent photovoltaic green electricity distribution device for mines, featuring source-grid-load-storage coordination. The device includes a base, with a nested shock-absorbing assembly at the top. Above the nested shock-absorbing assembly is an energy storage distribution box. An energy storage interface compartment is connected to the left side of the energy storage distribution box, and a distribution control box is located on the right side. A flexible connection assembly is positioned above the energy storage distribution box, and a source-grid adapter box is located above the flexible connection assembly. A dual-path photovoltaic rectifier compartment is located on the left side of the source-grid adapter box, and a mine microgrid connection compartment is located on the right side. Utilizing the dual-path photovoltaic rectifier compartment within the source-grid adapter box, synchronous conversion of two photovoltaic DC power sources is achieved, improving power conversion efficiency and filtering power noise. The mine microgrid connection compartment integrates voltage regulation and lightning protection functions, enabling efficient connection with the mine microgrid.

The application discloses a QT event transmission method and device, computer equipment and a storage medium, the method comprises the following steps: adding a to-be-processed event to an event queue by taking a second object as a parameter of an event sending function of a first object; acquiring an event sending signal, and acquiring a target to-be-processed event from the event queue according to the event sending signal; starting a timer according to a delay time length in the target to-be-processed event, and saving a timer ID number of the timer to a to-be-processed event corresponding to the target to-be-processed event in the event queue, so as to update the to-be-processed event in the event queue which saves the timer ID number to a delay processing event; executing a timer event function, acquiring the delay processing event from the event queue according to the timer ID number; and if it is determined that the delay processing event is successfully acquired, processing the delay processing event by using an event processing function. The application can uniformly manage events, specify the time required for event execution to be delayed, and has high running speed.

The monorail personnel transportation device for the coal mine tunnel comprises a rail assembly and a transportation vehicle advancing on the rail assembly, the transportation vehicle comprises a driving part, a cabin and a bearing trolley, the rail assembly comprises a rail, the driving part comprises a hydraulic motor and a friction wheel, the friction wheel can roll on the rail, and the cabin is arranged on the rail. Through driving of the hydraulic motor and friction wheels on the two sides, the running speed is increased, the driving force is larger, the gradeability is higher, running is more stable, a rail is clamped through a brake block of a brake assembly, rapid braking can be achieved, the transport capacity of a single train can be improved according to the needs of personnel through the modular marshalling design, and the situation that the train does not need to turn around to go back and forth is achieved through the two-way cockpit configuration; the air spring damping and rotation structure enables operation to be more stable, the track structure supports rapid extension, and the narrow fuselage design enables the device to be suitable for a complex narrow roadway network of a mine.

The application discloses a power equipment bolt detection method and system based on unmanned aerial vehicle inspection, wherein the method comprises the following steps: firstly, constructing a bolt data set of normal bolts, detecting the normal bolts in the bolt database by using a target detection network to obtain a bolt detection result; and constructing a bottom plate component template database according to the distribution of the bolts in the power equipment; then, judging whether the bolt detection result picture matches the component template picture in the bottom plate component template database, if the matching is successful, rotating and aligning the bolt bottom plate in the bolt detection result picture with the component template picture; finally, calculating the intersection-over-union of the bolt component real frame and the detection frame in the component template picture, if the intersection-over-union is higher than a threshold value, it is indicated that the position is a normal bolt position, otherwise, the position is a missing bolt position. The method can improve the detection efficiency and effect without relying on defect samples.

A neural network graph partitioning system and method are disclosed. The graph partitioning system is used to partition a neural network graph into a series of subgraphs and allows multiple subgraphs to be executed in available hardware subsystems. The system estimates the computation time and memory bandwidth of the partitioned subgraphs based on a cost function. The graph partitioning system is a hardware cycle estimation model that can be run quickly and implements parameterization of memory latency. The graph partitioning system supports heterogeneous partitioning for different types of accelerators, such as central processing units, graphics processing units, application specific integrated circuits, etc. A method of partitioning a neural network graph into a series of subgraphs is also disclosed.

This invention relates to the field of fall detection technology, specifically disclosing a millimeter-wave radar fall detection method that integrates HRV nonlinear features and 3D point clouds. The method includes the following steps: acquiring the inter-heart rate interval (IBI) sequence and 3D point cloud of the target in parallel based on millimeter-wave radar signals; extracting HRV nonlinear physiological features based on the IBI sequence and biomechanical features based on the 3D point cloud; aligning the HRV nonlinear physiological features and biomechanical features to a unified time axis and performing feature coupling calculations to obtain four types of coupling indices; the four types of coupling indices are: cardiac-gait phase coupling, exercise-induced heart rate response, cardiac-triggered motion variability, and joint entropy; and performing fall detection on the target based on a three-level progressive detection mechanism. This invention effectively captures abnormal physiological signals before a fall by establishing an intrinsic correlation between physiological and motion signals, effectively solving the problem of warning lag caused by traditional methods relying solely on motion features.

This application relates to the field of power distribution technology and discloses a method, system, and storage medium for online monitoring of electricity consumption. The method includes: collecting temperature and humidity data of distribution nodes through a three-zone environmental monitoring device to form an environmental data matrix; using a dual threshold algorithm to identify environmental deviations and generate a monitoring termination signal; restoring the environment to the standard range through cooling / heating and humidification / dehumidification adjustments; calculating a compensation coefficient based on the adjustment data; calibrating the electricity meter data for temperature and humidity based on the compensation coefficient; and optimizing power supply quality using a distribution loss environmental correlation algorithm to generate an adaptive scheduling strategy for the distribution network environment. This application solves the problem of inconsistent metering accuracy caused by the lack of an environmental adaptive mechanism in existing distribution network power monitoring technologies, improving the accuracy of power monitoring data under different environmental conditions and the economic efficiency of distribution network operation.

This invention relates to the field of photovoltaic cable manufacturing technology, and more particularly to a solar photovoltaic cable and its manufacturing process. The process includes: processing a tin-plated cable core according to a pre-process; extruding the tin-plated cable core through an extruder with preset extrusion parameters to perform a first functional layer extrusion; pre-cooling the extruded cable; determining a second preset pulling speed for the second functional layer extrusion process based on a first excess value when the functionality is deemed unqualified, and further determining a second preset pulling speed based on a first excess value when the functionality is deemed unqualified after the pre-cooling stage; and adjusting the cooling temperature based on a second excess value when the cooling is deemed unqualified, and based on a second excess value when the cooling is deemed unqualified, after the cooling is deemed unqualified. This invention can comprehensively assess the manufacturing quality of photovoltaic cables from multiple dimensions and deeply refine it from a single dimension, and automatically feed back and adjust the parameters for manufacturing photovoltaic cables to improve the stability of the performance and the stability of the manufacturing process of photovoltaic cables.

This utility model relates to the field of pipe support devices, and more particularly to a high-strength, earthquake-resistant metal pipe support device, comprising a pipe body; earthquake-resistant components are fitted on the exterior of both ends of the pipe body, and a support component is fitted in the middle of the pipe body. This utility model utilizes an arc-shaped limiting frame in the earthquake-resistant component to adjust its height according to the diameter of the pipe body, thereby limiting and fixing the pipe body. Then, the support component is lifted and placed in the middle of the pipe body, and its rotation adjustment provides oblique support to the pipe body. Through the combined use of the rubber vibration-damping pad inside the arc-shaped limiting frame and the support column in the support component, vibration transmission can be reduced. In this way, pipe displacement, swaying, and deformation can be effectively reduced, lowering the probability of pipe rupture and leakage, protecting the substances transported inside the pipe from leakage, and preventing secondary disasters such as fires, explosions, and poisoning caused by leaks.