53results about How to "Acquisition stable" patented technology

The invention discloses a vehicle target motion state estimation method based on an unmanned aerial vehicle video, and relates to the technical field of computer vision and intelligent monitoring, and the method comprises the steps: receiving a real-time video stream of an unmanned aerial vehicle, decoding the real-time video stream to obtain an original video frame, carrying out the graying, zooming and normalization preprocessing to obtain a processed image, and synchronously adjusting the size of a vehicle bounding box; vehicle targets are detected, a unique ID is allocated for multi-target tracking, and a motion trail is maintained; determining a background feature region, detecting and tracking feature points to estimate an inter-frame transformation matrix, and performing accumulative transformation to obtain a background overall transformation relation and a historical frame-to-current frame mapping mechanism; calculating a displacement residual error based on the trajectory and the mapping, judging direction consistency, estimating a smooth speed, and updating a motion confidence coefficient to judge a vehicle motion or static state and static duration; outputting the ID, the state, the static duration and the average speed of the vehicle; the method effectively eliminates the motion interference of the unmanned aerial vehicle, improves the estimation precision, is suitable for the traffic monitoring of the unmanned aerial vehicle, and is high in real-time performance and reliability.

The utility model relates to the technical field of man-machine interaction of electronic equipment, and particularly discloses a backlight touch key. The backlight touch key comprises a shell and a plurality of key assemblies, each key assembly comprises a key unit and a touch conduction unit, and each key unit is provided with a first end and a second end which are opposite to each other; the first end is embedded in the shell, the key unit penetrates through the touch conduction unit, the outer surface of the touch conduction unit is provided with a capacitive sensing surface, the capacitive sensing surface is attached to the shell, and the relative position of the shell and the touch conduction unit is fixed. According to the backlight touch key, the specific structure is improved, so that high integration of the structure and simplification of the manufacturing process are realized while the backlight uniformity and the induction sensitivity are ensured.

The utility model provides equipment cavity temperature measurement system and with the equipment cavity of heating function. Equipment cavity temperature measurement system is used for carrying out temperature measurement to n heating plate in equipment cavity, it includes n thermocouple, first support, n thermoelectric signal transmission wire and thermoelectric signal output module, n thermoelectric signal transmission wire with n thermocouple is connected respectively through n male female matching connecting joint, n male female matching connecting joint and n thermoelectric signal transmission wire are along first support setting, thermoelectric signal output module with n thermoelectric signal transmission wire is connected and transmits n thermoelectric signal to equipment cavity outside, equipment cavity temperature measurement system still includes the n thermocouple pressure block of setting respectively on n heating plate, through the adjustment of each thermocouple pressure block to make the thermocouple and corresponding heating plate contact. The utility model can realize the thermoelectric signal stable collection, transmission of thermocouple, reduce temperature measurement error, installation difficulty and manufacturing cost.

The invention relates to a PLC data acquisition control method and device for an AI exhibition hall, equipment and a medium, and the method comprises the steps: executing an acquisition control code, carrying out the statistics of a data volume index of PLC data at a current moment based on a preset first acquisition frequency, and constructing an observation data volume at the current moment according to the data volume index; according to the observation data volume at the current moment, the historical smooth data volume at the previous moment, the maximum response coefficient and the minimum smooth coefficient, calculating and determining a dynamic smooth coefficient of the data volume index; calculating and determining the smooth data volume at the current moment, calculating and determining the collection frequency adjustment amount of the first collection frequency by adopting a preset PID control algorithm, updating the first collection frequency to determine a second collection frequency, and continuing to collect the PLC data of the target interaction object by the central control system of the AI exhibition hall according to the second collection frequency; and repeating the steps until the PLC data of each target interaction object in the AI exhibition hall is acquired. According to the invention, the problems of blocking and poor real-time performance of a traditional PLC data acquisition system can be solved.

The utility model relates to a vibration monitoring mechanism for unstable mobile equipment. The vibration monitoring mechanism comprises a vibration sensor, a pressure sensor, a telescopic sleeve, a universal joint assembly, a linear motor module and a longitudinal driving device, a transverse guide rail is arranged on the linear motor module; a moving seat is arranged on the transverse guide rail; a longitudinal driving device is fixed on the moving seat; the longitudinal driving device is in driving connection with the mounting seat; a universal joint assembly is arranged on the outer side face of the connecting base. A connecting rod is fixed to the outer side face of the universal joint assembly. The connecting rod is sleeved with a telescopic sleeve. The free end of the connecting rod is provided with a pressure sensor and a vibration sensor. The linear motor module drives the moving seat to move on the transverse guide rail, so that the vibration sensor can synchronously work along with the product, the longitudinal driving device drives the vibration sensor to be attached to the product, and the pressure sensor ensures that the contact pressure between the vibration sensor and the product is stable; and the vibration sensor can stably collect vibration data.

This invention discloses a primer set for amplifying a novel HCV subtype 6xp and a primer set for detecting drug resistance mutations. The primer set for amplifying the novel HCV subtype 6xp includes nested PCR primers for amplifying the full length of the novel HCV subtype 6xp, while the primer set for detecting drug resistance mutations is a set of primers targeting drug resistance mutation sites in the three functional regions of NS3, NS5A, and NS5B. The primer set provided by this invention has high specificity and high amplification efficiency, enabling specific amplification of the entire genome of the novel HCV subtype 6xp and accurate detection of drug resistance mutation sites in the three functional regions. It is suitable for clinical diagnosis, antiviral treatment guidance, epidemiological surveys, and viral evolution research of this subtype, and has significant clinical application value and scientific research significance.

This utility model relates to the field of battery cell technology and discloses a novel soft-pack PACK structure, including a housing. A cover is fixedly connected to the outer wall of the housing, and a sealing ring is fixedly connected to the inner wall of the cover. A support is installed inside the housing, and an epoxy board is fixedly connected to the outer wall of the support. Copper-aluminum composite busbars are installed on the left and right outer walls of the epoxy board, with threaded rods threaded into the interior of the copper-aluminum composite busbars. An aluminum busbar is fixedly connected inside the epoxy board, and a pressure strip is provided on the outer wall of the aluminum busbar. In this utility model, the housing and cover house the battery cells to protect them from external impact damage. An epoxy board is placed on the side of the support, and then an aluminum busbar is installed inside the epoxy board. A pressure strip is then fixed to one side of the aluminum busbar, and a data acquisition line is placed between the pressure strip and the aluminum busbar. This achieves the effects of ensuring battery cell overcurrent, welding strength, and stable data acquisition.

The present application relates to a kind of track crack detection devices based on magneto-optic, belong to crack detection technical field.The device includes: surface light source, for generating light beam;Magneto-optic sensor, at the surface of measured track preset distance, for sensing the leakage magnetic field generated by measured track due to crack in magnetic field environment, and leakage magnetic field information is modulated as the polarization state change of reflected light beam;Industrial camera, for collecting reflected light beam after being modulated by magneto-optic sensor, generate magneto-optic image;Control processing module is at least connected with industrial camera, for receiving magneto-optic image, and identifying crack in measured track.By the device, real-time online detection under normal running speed of train can be realized.And detection is not covered by surface contaminants such as oil stain, rust mark, water stain, dust.

The application discloses a skin oil detection method, device and system, and relates to the technical field of skin oil detection. The method comprises the following steps: acquiring an electrical resistance value collected when a bioelectric resistance probe is pressed against the skin; controlling a camera component to collect a skin image and obtain a skin original image; performing hair segmentation on the skin original image to obtain a skin segmentation image and a corresponding hair area, calculating a hair area-to-skin original image area ratio to obtain a hair proportion value; obtaining a reflection image of liquid area mirror reflection based on the skin segmentation image, calculating a reflection image area-to-skin segmentation image area ratio to obtain a mirror reflection area proportion value; and obtaining a skin oil value based on the electrical resistance value, the hair proportion value and the mirror reflection area proportion value. The application has the advantages of fast skin oil detection speed, low cost and accurate detection result.

The present application relates to the technical field of aluminum electrolysis, and provides an aluminum electrolysis cell damage inversion method based on a machine learning algorithm, comprising the following steps: obtaining current data of an aluminum electrolysis cell through a fiber-optic current sensor, and obtaining temperature data of the aluminum electrolysis cell; performing discharge area division according to a discharger of the aluminum electrolysis cell; performing area division on the current data and the temperature data, and performing feature extraction on the current data and the temperature data; establishing a physical information forward model based on a neural network, and associating and mapping a damage state vector with current feature data and temperature feature data through the physical information forward model; constructing a cathode joint loss function and an anode joint loss function; respectively performing iterative solution on the cathode joint loss function and the anode joint loss function through an optimization algorithm, outputting an optimal damage state vector, and generating a damage space distribution result of the electrolysis cell. The present application can realize online inversion and spatial distribution visualization of anode and cathode damage states.

According to the intelligent sensing caulking sealing structure and the runway pavement health state monitoring method provided by the invention, the prefabricated sensing rubber strip with the modulus gradient transition embedding material is arranged in the runway shoulder caulking, so that tight coupling and cooperative deformation between the sensing optical cable and the caulking glue made of a silicone material are realized; the problems of modulus mismatch, interface stripping, optical cable bounce and the like are effectively solved, and stable and high-fidelity acquisition of vibration signals is ensured; according to the monitoring method, the system identification technology of center line excitation and runway shoulder response is utilized, the surface wave propagation model and the regularization reconstruction algorithm are combined, the runway center line vibration state is inversed in a high-precision mode from runway shoulder signals, propagation attenuation and time delay are compensated, the monitored space coverage capacity and signal restoration precision are remarkably improved, and the monitoring precision is improved. The low-influence, wide-coverage and continuous real-time monitoring of the stock runway is realized, and finally a more reliable and efficient technical scheme is provided for runway surface health state evaluation and operation safety guarantee.

The embodiment of the invention discloses a near field payment method, device and equipment. The scheme comprises the following steps: a payment terminal scans and finds a peer-to-peer connection group created by user equipment based on a wireless network communication technology; obtaining discovery information issued by the user equipment in the peer-to-peer connection group; and decoding the discovery information, obtaining service data corresponding to the user equipment, and executing a payment service corresponding to the user equipment according to the service data.

This invention relates to the fields of digital therapy, intelligent medical devices, and applied artificial intelligence technologies, and more specifically to a closed-loop pain management method and system integrating diagnostic assistance and interference-resistant sensing. It includes: a wearable device comprising: a neuromodulation signal generator configured to generate neuromodulation stimulation pulses; a biosensor array physically integrated with the neuromodulation signal generator configured to sense physiological data indicating the user's autonomic nervous system activity; a controller configured to execute a time-division multiplexing protocol; a processor; and a non-transitory computer-readable storage medium associated with the processor for generating a diagnostic support report. This invention enables simultaneous effective neural stimulation and high-fidelity ANS signal acquisition on a single wearable device.

The invention discloses intelligent processing equipment for a high polymer material, belongs to the technical field of crushing equipment, and is used for solving the technical problems of slipping and wire drawing during crushing and grinding of polytetrafluoroethylene. The intelligent processing equipment for the high polymer material comprises a crushing mechanism, an embrittlement mechanism and a grinding mechanism; a pair of crushing rollers is rotationally connected into the first shell, and the space in the first shell is divided into a first cavity and a second cavity through the crushing rollers, wherein the first cavity and the second cavity communicate with each other. The device has the beneficial effects that the phenomenon of wiredrawing is inhibited while the problem of slipping of polytetrafluoroethylene fragments is avoided, and the continuous and efficient crushing process is ensured; a plasma embrittlement and liquid nitrogen freezing embrittlement two-stage embrittlement process is adopted, so that polytetrafluoroethylene particles are easy to break in the grinding stage, a sieve plate and nitrogen micro-positive pressure auxiliary screening are combined, powder with the target particle size can be stably obtained, and the particle size uniformity of the product is remarkably improved.

This invention discloses a touchscreen signal acquisition and fault diagnosis testing device, belonging to the field of signal diagnosis testing technology. The external end of the interface is connected to a test line, which connects to the touchscreen connector for testing using an oscilloscope. A position adjustment device is connected to the back of the oscilloscope detector, and the other end of this device is connected to a vertical mounting bracket. The vertical mounting bracket facilitates the installation and wiring of the oscilloscope. An add-on mounting bracket is installed on the vertical mounting bracket, allowing for auxiliary installation or a second installation method for the oscilloscope. The installation system ensures stable installation and cable management, the position adjustment system allows for flexible adjustment of the test position and angle, and the oscilloscope testing system efficiently completes signal acquisition and analysis. The three components work together to enable the device to stably, flexibly, and efficiently complete touchscreen signal acquisition and fault diagnosis in different testing environments, improving test adaptability and accuracy.

The invention relates to the field of cup body thickness testing, in particular to a cup body thickness compression molding process detection device and a detection method.The cup body thickness compression molding process detection device comprises sliding columns, compression columns and a cup which are arranged on a base plate, the sliding columns are arranged on the periphery of the base plate, a compression plate slides on the sliding columns jointly, and a plurality of compression shafts are arranged at the lower end of the compression plate; a pressing ring is arranged at the lower end of the pressing shaft, a pushing assembly is arranged on the base plate, an annular groove is formed in the lower end of the pressing ring, a rotating ring is rotationally arranged in the annular groove, a wiping assembly used for wiping a cup is arranged on the inner diameter of the rotating ring, and a detection unit is further arranged on the inner wall of the rotating ring; the wiping assembly automatically wipes the outer side of the cup body before detection, particle impurities are removed, the phenomenon that the impurities interfere with the detection process is avoided, and the detection unit adopts a contact detection design and is not affected by factors such as ambient light, temperature and dust.

This invention provides a pin acquisition device and a pin acquisition method that can reliably acquire a portion of pins from a plurality of pins. The pin acquisition device (1) vibrates a pin holding part (3) with a groove (6) to make a plurality of pins jump up. A plurality of pins are held in place by an adsorption arm (10) that holds the jump-up pins in an upright position. The bottle part is vibrated and a single pin is discharged through an insertion hole provided on the bottom surface of the internal space. One end of the single pin contacts a stop (40) to hold the single pin in an upright position. The stop (40) is provided at a distance from the outlet of the insertion hole that is shorter than the total length of the pin in the pin discharge direction.

This invention belongs to the field of building material testing technology, specifically relating to a mechanical sensing-type asphalt admixture preparation shear strength testing device. It includes a fixed frame with a test chamber fixedly connected inside. A drive unit is fixedly connected to the upper end of the test chamber, providing driving force for the device. A mixing unit is fixedly connected to the middle of the drive unit, used for mixing asphalt and admixtures. A shearing unit is fixedly connected to the lower end of the drive unit, used for testing the shear strength of the mixture formed by the asphalt and admixtures. The shearing unit includes a mounting base, shear blades, a separating ring, and a layering block. The mounting base is fixedly connected to the drive unit, and multiple shear blades are provided, with each shear blade fixedly connected to the outer edge of the mounting base. This invention ensures stable high-speed operation through a three-blade symmetrical inclined design, integrating mixing and shearing functions, effectively improving the uniformity of material mixing and the accuracy and reliability of shear testing.

The utility model relates to the technical field of assembly type buildings, and discloses an assembly type building connection node quality nondestructive testing system which comprises a first supporting plate, a mounting plate is fixedly connected to the top of the first supporting plate, an L-shaped plate is slidably connected to the left side of the top of the mounting plate, and a plurality of positioning holes are formed in the front side of the L-shaped plate. A fixing block is fixedly connected to the front end of the left side of the top of the mounting plate, a sliding rod is slidably connected to the middle of the fixing block, the rear end of the sliding rod is clamped to the inner wall of the corresponding positioning hole, and a threaded column is in threaded connection to the right side of the mounting plate. According to the utility model, the threaded column is rotated to realize preliminary fixation, then the threaded rod is rotated to complete a clamping effect by the T-shaped clamping block, and finally the L-shaped plate is moved to fix and limit the height of the detector, so that the detector is ensured to stably acquire data, the radiographic detection data is accurate and reliable, and meanwhile, the device is suitable for detectors with different specifications.

This invention provides an intelligent inspection method, system, equipment, and medium for railway freight inspection, belonging to the field of railway freight inspection technology. The method includes: acquiring images of the freight cars using a line-scan camera array on both sides and the top of the track; performing spatiotemporal synchronization and adaptive parameter adjustment based on an encoder and a precise clock protocol; performing geometric correction, flat-field correction, motion compensation, and stitching on the images to generate a two-dimensional unfolded image of the freight car; using a deep learning-based freight car segmentation model to segment and number freight car instances, and extracting images of individual freight cars; finally, using a damage detection model integrating severity assessment to identify damage, outputting a structured result including damage category, location, confidence level, and severity score. This invention achieves non-contact, full-coverage, and high-precision intelligent inspection of freight cars, effectively improving inspection efficiency and automation levels.

The utility model relates to the technical field of industrial camera vision, in particular to a temperature-controllable explosion-proof industrial camera, which comprises a shell which is a closed space and is in direct contact with a working environment; the heater is arranged in the shell; the temperature sensing switch is electrically connected with the heater; the power supply is suitable for supplying power to the shooting device and the heater; and the shooting device is arranged in the shell. The heater and the temperature sensing switch are arranged in the shell, so that the automatic temperature adjusting function of the industrial camera in a low-temperature environment is realized, and the shooting device is ensured to stably work in a proper temperature range; the closed explosion-proof shell is designed to effectively block external explosion and prevent internal electric sparks from leaking, so that the explosion-proof and temperature control functions are realized; the overall structure is compact and reasonable, the camera can reliably operate in severe industrial environments such as petroleum and chemical engineering, and the environmental adaptability and the service life of the industrial camera are remarkably improved.

The application discloses a self-adhesive electrode with low skin contact impedance and application thereof, wherein the self-adhesive electrode comprises an electrode containing Ag / AgCl material, a conductive layer and a substrate. The conductive layer changes the contact characteristics of the hydrogel and the skin by adding nano-clay in the ion-conducting hydrogel system, so that the conductive layer and the skin are tightly coupled, thereby realizing the effects of long-time stable and low contact impedance and anti-interference. In addition, the conductive layer has good tensile strength and viscoelasticity, so that a wet electrode which realizes adhesion only by the conductive layer can be obtained without using common electrode auxiliary materials such as foam, non-woven fabric and pressure-sensitive adhesive. The electrode overcomes the defect that the contact impedance of the common electrode cannot be kept stable for a long time, and simplifies the fixing mode of the electrode, and can be used for continuous acquisition of physiological signals such as electroencephalogram, electrocardiogram and electromyogram, and has the advantages of stable contact impedance, simple structure, good water retention and good biocompatibility.

The utility model discloses a heavy load assembly line with weighing function belongs to heavy load assembly line technical field, include: base, the shape of base is rectangle, roller line, roller line is located the top of base, just has the weighing sensor between roller line and base, wherein, when material is transported to the roller line, the weighing sensor carries out the weighing, the utility model discloses in the process of transmission material, the weight of material is measured, reduces the time of back and forth carrying weighing, improves the efficiency of packing line.

The invention provides a method for allele matching of donor mesenchymal stem cells and a receptor. The method comprises the following steps: S10, separating mesenchymal stem cells from perinatal tissue of a donor; s20, extracting genome DNA (deoxyribonucleic acid) of the mesenchymal stem cells, and performing HLA (human leukocyte antigen) genetic typing; s30, performing HLA (human leukocyte antigen) genetic typing on the DNA of the receptor; s40, performing allele spectrum comparison on the HLA gene of the receptor and the HLA gene of the mesenchymal stem cell, and calculating the matching degree; s50, judging the matching degree of the receptor and the mesenchymal stem cells according to the matching degree; and S60, storing the HLA genotyping result of the mesenchymal stem cells and the matching degree in a database, and establishing a matching library for matching the donor mesenchymal stem cells and the receptor. According to the method, a set of standardized system is established, compatibility evaluation of a donor and a receptor at the allele level is achieved, the immunological rejection risk caused by HLA mismatching is effectively predicted and avoided before treatment, and the in-vivo survival and implantation efficiency of MSCs is improved.

The invention discloses a water pump PWM software control method for an instant heating type water dispenser and a corresponding medium and equipment, and the method comprises the steps: S1, receiving a water outlet instruction, and judging whether a water pump PWM historical value corresponding to the current target temperature exists or not; s2, if not, a water pump and a heater are started, the PWM value of the water pump is dynamically adjusted through a PID algorithm according to the difference value between the outlet water temperature and the target temperature till the water temperature stably reaches the standard, and the PWM value is stored as a historical value; s3, if yes, the historical PWM value is directly called to control a water pump and start a heater; and S4, continuously monitoring the water temperature in the quick starting process, and if the water temperature deviates from the target temperature, correcting the historical PWM value to keep the constant temperature. According to the invention, rapid starting is realized by storing and calling the historical PWM value, and time consumed by real-time calculation is reduced; closed-loop control is formed by combining monitoring and correction, long-term stability of the water temperature is guaranteed, and the system adapts to environment and equipment state changes.

The invention relates to the technical field of medical instruments, in particular to a programmable spectrum acquisition system for real-time analysis of postoperative drainage liquid, which comprises a spectrum acquisition unit, a programmable light source module, a light guide component, a control module and a data processing and communication module, the programmable light source module is used for providing multiband detection light for drainage liquid; the light guide assembly is arranged between the programmable light source module and the drainage liquid detection area; the control module is used for controlling the light emitting mode of the programmable light source module and synchronously controlling spectrum acquisition; and the data processing and communication module is used for processing the acquired spectrum data and sending the processed spectrum data to a remote server in a wireless communication mode. According to the invention, the programmable light source, the multi-mode light emitting control and the light guide assembly are introduced, so that stable and calibratable spectrum acquisition is realized; and the timeliness and the safety of clinical monitoring are improved through a remote data analysis and alarm mechanism, so that the reliability and the consistency of a detection result are ensured.

The application discloses an integrated sensor structure, aiming at solving the problems that sensors in the prior art cannot accurately measure the inclination, the rotating speed and the pressure and have a low service life, and adopting a protective cover part and a mounting part to be installed with a sensor part, so that the parts in the sensor part can be protected in multiple layers through the protective cover part, the mounting part and a shell part, and the X-axis inclination, the Y-axis inclination, the Z-axis rotating angle and the pressure of a drilling tool can be measured, stored and transmitted through a first measuring part and a second measuring part in the sensor part.

The invention discloses a brain patient dizziness diagnosis and treatment device and system. The brain patient dizziness diagnosis and treatment device comprises a base, a support module, a fixing frame, a rotating shaft, a first safety protection plate, a handrail, a second safety protection plate, an elastic protection pad, a seat plate, a second base, a foot plate, a safety belt, a data acquisition module, a mounting plate, an electric cylinder, a top column, a guide column, a mask, a display analysis module, a third base and a display screen. A support module is arranged on the outer wall of one side of the base and comprises a fixing frame, and the fixing frame is fixedly connected to the outer wall of one side of the base; a three-dimensional rotating structure is designed, all-directional rotation of a patient can be achieved, nystagmus can be induced more easily, the using effect is better, the defect that an eyeshade collecting device is prone to displacement is overcome through a lifting data collecting structure, the collecting process is more stable, large-area contact with the body can be achieved through a seat safety fixing structure, and the safety of the patient is improved. The discomfort in the rotating process is remarkably reduced, and the use experience of a user is improved.

This invention relates to the field of tinplate printing technology, and more particularly to a tinplate printing anti-offset system based on multi-reference visual positioning. The system includes a fixed platform with a micro-perforated vacuum suction cup on top, and a tinplate workpiece placed on the top of the suction cup. An adjustment seat is also provided on the fixed platform, and a bracket is fixedly connected to the middle of one side of the platform, with a stepped pressing mechanism mounted on the bracket. This invention improves the positioning accuracy and offset correction effect of tinplate printing through multi-structure synergy, avoiding problems such as inaccurate positioning, delayed correction, and warping offset in traditional methods. Through leveling by the stepped pressing mechanism, suction by the vacuum suction cup, translational deflection correction by the adjustment seat, and positioning by photoelectric sensors, it ensures printing accuracy and reduces scrap rates. Furthermore, it achieves flexible protection of the tinplate and fully automated operation, with elastic pressing and non-contact suction preventing damage to the tinplate, and automated linkage improving production efficiency.