14results about How to "Realize dynamic calibration" patented technology

The invention relates to the technical field of catalytic ozonation wastewater treatment systems based on micro-nano aeration, in particular to a catalytic ozonation wastewater treatment method and system based on micro-nano aeration. The system comprises a treatment investigation unit which is used for carrying out data acquisition on wastewater to be treated at different wastewater treatment links and carrying out classified storage and analysis; the treatment scheme unit is used for formulating graded wastewater treatment schemes according to the analysis result, constructing corresponding simulation training models for different grades of schemes, collecting operation problems through simulation training, and optimizing the wastewater treatment schemes based on the operation problems; and the problem collection unit is used for establishing a process design decision matrix based on problems in the implementation process after the optimized wastewater treatment scheme is implemented, and adjusting the wastewater treatment scheme. Dynamic calibration and optimization adjustment of the wastewater treatment scheme are realized, and the stability and accuracy of the treatment system are improved.

The application discloses a kind of laser calibration devices of thin-walled shell axial compression test, it is related to the technical field of axial compression test, including laser calibration instrument system, control unit, servo motor, screw adjusting mechanism and clamping mechanism;Laser calibration instrument system is integrated with clamping mechanism, control unit is respectively connected with laser calibration instrument system, servo motor, screw adjusting mechanism and clamping mechanism, realizes closed-loop control, laser calibration instrument system and clamping mechanism adopt same reference coordinate system;Clamping mechanism is used for the nondestructive positioning and locking of thin-walled shell;The clamping end surface of clamping mechanism is embedded with pressure sensor;Laser calibration instrument system is used for real-time monitoring thin-walled shell displacement and positioning deviation, cooperates control unit, servo motor and screw adjusting mechanism to complete dynamic calibration.The application can realize the high-precision positioning and calibration of composite thin-walled shell in axial compression test process, and can avoid stress concentration when the shell is clamped and fixed, realize the nondestructive clamping and locking of shell.

The invention discloses a small sample plant disease identification method and system based on CLIP model lightweight adaptation, and the method comprises the steps: collecting plant disease and insect pest images, carrying out the disease category labeling, and constructing a plant disease and insect pest image data set; generating multi-source text descriptions in one-to-one correspondence with the plant disease and insect pest images in the plant disease and insect pest image data set; a small sample plant disease recognition model is constructed based on the CLIP model, and a lightweight adapter module is embedded into the output end of an image encoder of the CLIP model to output adaptive image features; taking the plant disease and insect pest image in the training set and the matched multi-source text description as input, and extracting image features and text features in the plant disease and insect pest image; training the small sample plant disease recognition model by adopting a mixed loss function; verifying the model performance through the verification set to determine an optimal model parameter; and inputting a to-be-detected plant image into the trained small sample plant disease identification model to obtain a category identification result of the plant disease.

The application discloses an AI large model-based personalized auxiliary teaching content dynamic generation and pushing method, and belongs to the technical field of data processing, and comprises the following steps: acquiring the conditional probability distribution of an AI large model output layer and constructing a benchmark probability distribution vector, acquiring a generation probability distribution feature vector in a subsequent generation round and performing distribution similarity analysis to determine a generation probability distribution drift state; performing controlled adjustment on the generation parameter set in the drift state, constructing a stable window in a continuous non-drift state, and dynamically updating the benchmark probability distribution vector. Teaching content is generated based on the adjusted generation parameter set and is pushed in batches, generation stability monitoring is performed in the pushing process, pushing constraint adjustment is performed according to the shock state and the convergence state, and finally, the converged generation parameter set is saved as an initial generation strategy corresponding to a teaching task, thereby solving the problem of implicit degradation of the teaching content generation quality in the prior art.

This application belongs to the field of electromagnetic detection technology and provides a dynamic correction method for the electromagnetic response of a UAV based on residual magnetic field injection. The method includes: under no flux negative feedback, a receiving coil collects a first induced voltage, and a receiving system receives the first induced voltage to obtain a first measured voltage; a reverse magnetic field is generated through flux negative feedback, and the receiving coil collects a second induced voltage, which is then received by the receiving system to obtain a second measured voltage; the transfer function of the actual receiving system is calculated based on the relationships between the first and second measured voltages and the first and second induced voltages, respectively; the transfer function of the theoretical receiving system is calculated, and correction coefficients and the effective secondary field signal are calculated; the amplitude and phase information of the effective secondary field signal are calculated. By eliminating the residual primary field voltage, dynamic calibration of the receiving system is simultaneously achieved, thereby obtaining more accurate response voltage data from two aspects and improving flight detection accuracy.

The utility model relates to the technical field of wind turbine generator unit, especially a kind of wind turbine generator unit yaw system vibration calibration and stabilizing device, it include: yaw pedestal and vibration calibration mechanism, wherein: yaw pedestal, top is equipped with annular guide rail, annular guide rail inner side wall is opened with tooth slot, multiple guide posts are set at the edge of yaw pedestal with equal angle, guide post top end is connected through crossbeam, displacement sensor is embedded in the middle part of crossbeam;Vibration calibration mechanism includes the sliding block with the sliding fit of annular guide rail, the top of sliding block is fixed with bearing table, and driving motor is installed at the center of bearing table bottom surface, and driving motor output shaft is connected with the driving gear meshing with tooth slot, and bearing table top surface four corners are equipped with damping shock absorber, and damping shock absorber top end is connected with calibration platform, and calibration platform side is fixed with the guide sleeve sliding fit with guide post, and vibration calibration mechanism is installed with stabilizing component;It enhances the overall service life of yaw system, improves wind turbine generator unit running stability.

The utility model provides a kind of cage roller automatic sorting feeding structure, it is related to roller installation field, and it includes: workbench main body, carousel, carousel rotation is connected in the surface of workbench main body, limit block, limit block fixedly connected in the surface of carousel, cage, cage is set in the circumferential surface of limit block, mounting mechanism, mounting mechanism includes cylinder, connecting rod, guide plate, partial tooth gear, gear, extruding block, track block and drive assembly, guide plate is equipped with two, track block fixedly connected in the surface of workbench main body, cylinder fixedly connected in the surface of workbench main body, extruding block slidingly connected in track block, the output end of cylinder is slidably connected in the one end of track block, this structure has solved the problem, such as low efficiency, labor intensity, assembly precision and easy to jam material etc. caused by traditional manual sorting and knock into roller, realized the automation, high precision and continuous production of roller sorting feeding.

The application relates to a methane leakage automatic detection method and device, which comprises the following steps: panoramic scanning of a monitoring area is carried out by driving an infrared spectrum imaging equipment through a holder, and a spectrum image of a target wave band is collected; a point cloud image of a suspected leakage area is generated based on a preset methane absorption peak intensity threshold value, and leakage concentration distribution coordinates are marked; an active light source is started, and a unique recognizable bright-out coding signal is emitted; meanwhile, the infrared spectrum imaging equipment is triggered to enter a high-speed frame mode to capture a dynamic spot of the active light source; a spot position of a corresponding dynamic spot in a spectrum image collected by the infrared spectrum imaging equipment is identified according to the bright-out coding signal, and spot center pixel coordinates (x, y) of the dynamic spot are recorded; the holder is controlled to rotate, so that an optical axis of a methane laser detection module is automatically aligned with the spot center pixel coordinates, detection is carried out, and an accurate leakage concentration value is output.

The utility model discloses an efficient punching machine for a PVC pipeline. The efficient punching machine comprises a bearing base, a composite guiding system, a self-adaptive clamping mechanism and a multi-direction drilling assembly. The bearing base is provided with a guide rail and a waste collecting structure. The composite guiding system is composed of a transverse positioning assembly and a longitudinal restraining assembly, the transverse positioning assembly achieves transverse accurate centering of the pipeline through a V-shaped centering roller set and servo drive, and the longitudinal restraining assembly restrains deviation of the pipeline through a conical face limiting wheel. The self-adaptive clamping mechanism adapts to different pipe diameters through a lifting base and a rotating chuck; the multi-direction drilling assembly comprises independent driving drill bits symmetrically distributed along the axis of the pipeline, and multi-hole-site synchronous machining is achieved through the cooperation of the multi-direction drilling assembly and the horizontal displacement sliding table. The problems that traditional equipment is low in efficiency and poor in positioning precision are solved, the functions of efficient drilling, high-precision positioning, multi-specification adaptation and automatic waste collection are achieved, and the automatic drilling machine is suitable for batch production of PVC pipelines.

The invention discloses a dynamic life calibration method for an adjustable kick type temperature controller, which comprises the following steps of: applying adjustable acceleration stress to the temperature controller, driving the temperature controller to circularly kick, and synchronously acquiring a multi-source parameter signal for reflecting a degradation state; performing segment processing on the multi-source parameter signal according to a kick period and a degradation stage, extracting a multi-source degradation characterization quantity and constructing a degradation feature vector sequence; performing multiple times of residual life prediction based on the sequence by a life prediction model to obtain a residual life prediction sequence and generate life trend characteristics; the acceleration stress parameters of the next stage are adaptively updated according to the life trend characteristics until failure judgment conditions are met, failure points are determined, residual life true values at all prediction moments are backfilled, a calibration sample set is established, and a calibration relation for mapping the prediction values into the true values is obtained through fitting; and calibrating the life prediction model based on the calibration relation and outputting a life calibration result. According to the method, the service life information acquisition efficiency and calibration convergence are improved, and the evaluation accuracy and consistency are improved.

The application provides a UAV trajectory tracking method, a server, a medium and a product, and relates to the technical field of UAV tracking. The method comprises the following steps: receiving GPS positioning signals of all working UAVs in real time; when it is monitored that the GPS positioning signal of any target working UAV is lost, determining a reference UAV of the target working UAV, and acquiring real-time positioning information of the reference UAV; calculating the historical relative position relationship between the reference UAV and the target working UAV; based on the historical relative position relationship and the real-time positioning information of the reference UAV, calculating the real-time virtual positioning of the target working UAV, and generating a temporary tracking trajectory according to the real-time virtual positioning; and issuing the temporary tracking trajectory to the target working UAV. The method can guarantee the continuity of the UAV trajectory and the integrity of the work, effectively avoid the yaw, collision or work interruption caused by the loss of position, and significantly improve the safety and reliability of the UAV cluster work in a complex scene.

The invention discloses a fixed wing flight device landing control method and device, and the method comprises the steps: collecting the geographic information of a runway, so as to construct a data calibration difference table; according to the take-off data and a data calibration difference table, obtaining a first height difference, determined by each height sensor, of the flight device relative to the take-off point; based on the height difference between the pre-estimated landing point and the take-off point, obtaining a second height difference, determined by each height sensor, of the flight device relative to the pre-estimated landing point; and selecting a second height difference of the single height sensor as a height source according to the landing field difference to carry out landing control until the flight device lands. The problem that safe and accurate landing control is difficult to achieve under the complex runway condition in the existing landing technology is solved, the hardware cost is reduced, meanwhile, the problems of environment interference and measurement errors caused by additional equipment are avoided, and the scheme is economical, efficient and safe.

The application discloses a control method and system for automatic parking of intelligent networked vehicles, and relates to the technical field of electric vehicle control. The control method for automatic parking of intelligent networked vehicles comprises the following steps: monitoring of strong light interference of parking space image data; monitoring of accuracy of parking space image data collection; and monitoring of automatic parking operation. The application determines whether strong light interference of parking space image data needs to be optimized according to the strong light interference degree evaluation result of the parking space image data, then determines whether accuracy of parking space image data collection needs to be optimized according to the accuracy deviation result of the parking space image data collection, and finally determines whether automatic parking trajectory correction optimization needs to be taken according to the automatic parking effectiveness evaluation result. The application improves the accuracy of automatic parking of intelligent networked vehicles, and solves the problem of the decline in the accuracy of automatic parking of intelligent networked vehicles caused by strong light interference of parking space image recognition in the prior art.

This invention discloses a navigation and positioning method, system, device, and storage medium for a substation inspection robot. The method includes: deploying RFID tags with known global coordinates at key locations along the substation inspection path, and simultaneously acquiring environmental images and RFID tag information during the robot's movement; calculating the robot's relative position based on environmental image features and camera calibration parameters, and fusing odometer data to generate a preliminary pose; when an RFID tag is detected, performing absolute correction on the current pose using its global coordinates as a reference; generating an obstacle avoidance path based on the corrected high-precision pose and the task objective, driving the robot to perform the inspection, and uploading the positioning results and trajectory information to a monitoring center to achieve closed-loop control. This invention enables intelligent, autonomous, and precise operation of the inspection robot within the substation.