16results about How to "Realize dynamic correction" patented technology

The invention belongs to the technical field of pipeline welding, and relates to a pipeline welding operation position deviation real-time monitoring and correcting system and method. The method comprises the following steps: fitting a central axis through a pipe end centering module to calculate a residual error and converting the residual error into a welding gun tool coordinate system to obtain a pose compensation amount; constructing a displacement change track, and screening a low-frequency axis offset coordinate sequence based on a pipeline mechanical motion inertia characteristic setting direction and acceleration constraint condition; and after the space offset is superposed with the compensation amount, a correction instruction is generated through a PID control algorithm. The problems of welding gun shaking caused by high-frequency noise interference in suspended pipeline welding, error accumulation and amplification caused by initial fixed deviation and dynamic deviation mixed compensation, and control overshoot or slow convergence caused by large rigid response difference of pipelines of different specifications are solved. Static residual error pre-compensation and dynamic offset decoupling are achieved, synchronous following of the real displacement trend is ensured, misjudgment interference is effectively avoided, and the stability and trajectory tracking precision of the welding process under the complex working condition are improved.

This invention discloses a method for constant temperature and humidity control of a cigar cabinet based on a fuzzy control algorithm, comprising the following steps: setting a target temperature and humidity range; collecting environmental data of each layer through a distributed sensor array and comparing it with the target range to obtain the temperature and humidity deviation of each layer; inputting the deviation into a temperature and humidity decoupling control module and outputting a weight adjustment signal; inputting the weight adjustment signal into a fuzzy controller to construct a multi-objective fitness function, optimizing it with the WFPSO algorithm, and outputting hierarchical fuzzy controller parameters; inputting the hierarchical fuzzy controller parameters into a hierarchical temperature and humidity model to monitor the status of each layer in real time, and outputting a drive command when the limit is exceeded; inputting the drive command and hierarchical parameters into an actuator, adjusting it, and outputting new environmental data; and using a feedforward control module to adjust in advance when a door opening / closing disturbance warning is issued, dynamically adjusting the status of the affected space layer. This invention improves the temperature and humidity control accuracy and disturbance adaptability of the cigar cabinet through hierarchical optimization and feedforward intervention control mechanisms.

The invention discloses a vehicle transportation carbon emission analysis method and device, and the method comprises the steps: obtaining an operation condition variable and an environment variable according to a vehicle pollutant emission standard and a vehicle type; determining a transportation carbon footprint factor of each vehicle type according to the operation condition variable and the vehicle type; establishing a dynamic correction coefficient model according to the operation condition variable and the environment variable; and based on activity level data in a transportation stage, the dynamic correction coefficient model and the transportation carbon footprint factor of each vehicle type, carrying out carbon emission analysis in an operation stage to obtain the total carbon emission of each vehicle type in the transportation stage and the carbon emission of a unit product in the transportation stage. According to the method, dynamic calculation and accurate accounting of the carbon emission of different vehicle types in the transportation stage under different operation working conditions and environment conditions can be realized, so that the real-time performance, the accuracy and the applicability of carbon emission analysis are improved.

The invention provides a water quality model concentration field correction method and system. The method comprises the following steps: acquiring a flow velocity vector field of a target water area output by a two-dimensional hydrodynamic water quality model, and generating a two-dimensional water body trace set; a directed trough line is extracted from the two-dimensional water body trace set, and a water body space corresponding to a target water area is divided into a plurality of correction units with the directed trough line as a reference; performing inverse distance weighted difference on discrete points in each correction unit based on a model calculation concentration field and actually measured concentration data to obtain a unit concentration correction field; and combining the unit concentration correction fields corresponding to the plurality of correction units to generate a global concentration correction field, and correcting a model concentration field of the two-dimensional hydrodynamic water quality model based on the global concentration correction field. According to the method, direct and indirect observation information with different sources and different resolutions is fused to adjust the moving trajectory of the model, so that the simulation forecast error of the model is reduced, and a simulation forecast result with higher precision is obtained.

This invention discloses a method for predicting the spatiotemporal trajectory of multimodal cardiovascular lesions based on a unified time scale and energy reflection suppression mechanism, belonging to the field of medical information processing technology. The method includes the following steps: establishing a unified time scale for the multimodal cardiovascular image acquisition process; unfolding the peak and trough times and phase sequences of each modal image channel into a continuous time baseline; and generating a time-relative alignment list based on the unfolding results. This invention achieves precise matching and continuous propagation of multimodal image energy through a unified time scale and time-relative alignment list, avoiding phase misalignment and direction mismatch. Through dynamic control of a unidirectional advance grid and a yaw curtain, energy reflection is effectively suppressed, the lesion diffusion direction is continuously corrected, and the predicted trajectory remains smooth and stable, improving the reliability of cardiovascular lesion motion prediction.

The present application belongs to the technical field of pipeline welding, and relates to a pipeline welding operation position offset real-time monitoring and correcting system and method. The present application calculates the remaining residual by fitting the center axis of the pipe end centering module, converts it to the welding gun tool coordinate system to obtain the pose compensation amount, constructs the displacement change trajectory, sets the direction and acceleration constraint conditions based on the pipeline mechanical motion inertia characteristics to screen the low-frequency axis offset coordinate sequence, and generates the correcting instruction through the PID control algorithm after superimposing the space offset amount and the compensation amount. The present application solves the problems of welding gun shaking caused by high-frequency noise interference in suspended pipeline welding, error accumulation amplification caused by mixed compensation of initial fixed deviation and dynamic deviation, and control overshoot or slow convergence caused by large difference in rigid response of different specifications of pipelines. The present application realizes the static residual pre-compensation and dynamic offset decoupling, ensures the synchronous following of the real displacement trend, effectively avoids misjudgment interference, and improves the stability and trajectory tracking accuracy of the welding process under complex working conditions.

The utility model relates to the technical field of printing and packaging machinery, in particular to an anti-deviation unfolding device for paper coiled materials for color printing and packaging. The utility model provides an anti-deviation unfolding device for a paper coiled material for color printing packaging. The anti-deviation unfolding device comprises a rack, a supporting frame, a containing cylinder frame, a hand wheel, a clamping block, a second spring and the like. A supporting frame is fixedly connected to the right side of the rack, a containing barrel frame is rotationally connected to the middle of the right side of the supporting frame, a hand wheel is fixedly connected to the front side of the containing barrel frame, four clamping holes are formed in the front side of the containing barrel frame in an annular array mode, a clamping block is slidably connected to the supporting frame, and a second spring is connected between the supporting frame and the clamping block. According to the utility model, through the matching of a hand wheel and a clamping hole in the feeding assembly and the elastic pushing effect of a second spring on a clamping block, the effect of positioning and locking a placing barrel frame is achieved, so that the position of a coiled material is stable in the feeding process, and the disordered or misplaced feeding caused by the accidental rotation of the barrel frame is avoided; the technical problems that switching is unstable and deviation is prone to occurring when multiple coiled materials are stored are solved.

This invention provides a metal forming device for fire protection material processing, relating to the field of metal processing equipment. It includes a base, a processing frame mounted on top of the base, a start switch mounted on the left front end of the processing frame, a connecting column mounted on the inner wall of the rear end of the processing frame, a cylinder mounted on top of the connecting column, an upper mold fixedly connected to the output end of the cylinder, a lower mold mounted on the front end of the processing frame, and a control component mounted on the right outer wall of the processing frame. By integrating forming state acquisition, coupling judgment, real-time adjustment, deviation memory, and progressive pre-compensation modules into the control component, and forming a deeply coupled control execution chain with mechanical components such as the cylinder, mold, guide structure, and fine-tuning installation structure, this integrated design ensures that the input of the control system is entirely derived from real-time feedback of the physical process, and the output directly acts on the power source of the actuator, avoiding the problem of disconnection between control logic and mechanical operating state in traditional devices.

The invention relates to the technical field of metallurgical process control, and discloses a molten pool smelting intelligent dynamic control system based on multi-parameter coupling, which comprises a global perception sensor network, a data fusion and state evaluation module and a precise execution control system. According to the system, heat-fluidization multivariable variables of a molten pool are obtained at high frequency through a global perception sensor network, a data fusion and state evaluation module completes prediction-updating through Kalman filtering, abnormal value elimination is carried out through a Mahalanobis distance threshold, working condition drifting is restrained in combination with self-adaptive R / Q, and the state of the molten pool is evaluated. State evaluation is carried out, the middle temperature, the copper matte grade, the liquid level, the change rate and the circulation strength are generated, an LSTM model is adopted for short-time prediction, control suggestions are generated, an amplitude / slope limiting function and a safety interlocking mechanism are matched, a closed-loop execution process is formed, the accurate execution control system converts the control suggestions into actual control actions, and the actual control actions are controlled. And the state of the molten pool is accurately adapted, operation feedback and state monitoring data are transmitted back, and the intelligent control operation efficiency is high.

The application provides an extraction separation process intelligent simulation optimization method based on digital twinning, relates to the technical field of chemical process control, and comprises the following steps: establishing a digital twinning model and a numerical calculation model of an extraction separation physical device, and generating a simulation benchmark state; collecting real-time operation data and comparing the real-time operation data with the simulation benchmark state, identifying a deviation area, adjusting a local mass transfer coefficient, and solving to obtain a correction state field; constructing a coupling matrix of a concentration gradient and a velocity distribution based on the correction state field, calibrating a mass transfer dominant flow area through characteristic decomposition; setting a virtual disturbance source in the area to perform multi-working-condition simulation, and screening an optimal disturbance frequency; extracting a column segment residence time distribution variance, calibrating a flow deviation column segment, and calculating the spatial overlap degree of the flow deviation column segment and the mass transfer dominant flow area; and selecting and executing distributor opening rate or feed pulsation frequency adjustment according to the overlap degree. The application realizes accurate simulation and dynamic optimization of the extraction separation process, and improves the mass transfer efficiency and separation performance.

The utility model discloses a kind of multi-shaft linkage fine deep cavity precision milling processing device, belong to data analysis and display device design field;Including base, milling machine and double slide rail system, the double slide rail system is set on base, double slide rail system includes transverse slide rail and longitudinal slide rail, transverse slide rail is set on longitudinal slide rail and moves on longitudinal slide rail, transverse slide rail is provided with connecting plate, and milling machine is connected on the connecting plate The rotation shaft of milling machine is connected with milling machine, and moving device is provided on the four corners of base, and guiding auxiliary device is provided on the front end and both sides of base, and moving device and guiding auxiliary device cooperate with each other. The utility model sets up milling machine on transverse slide rail, prolongs the length of boring bar head, reduces construction difficulty.

This invention discloses a joint scheduling system and method for drainage network pumping station groups based on the SWMM model, belonging to the field of drainage network scheduling technology. The system includes a hydraulic modeling module, an optimal scheduling model construction module, an objective function and constraint setting module, an initial condition input module, an SWMM model engine driving module, a simulation-optimization loop module, and a scheduling scheme output and feedback module. The method constructs a hydraulic model of the drainage network and pumping station groups, establishes an optimal scheduling model based on artificial intelligence optimization algorithms using a simulation-optimization, feedforward-feedback mode, and outputs the optimal scheduling scheme through multiple rounds of simulation-optimization loop iterations, while also providing feedback adjustments. This invention overcomes the shortcomings of existing technologies, such as low optimization efficiency, poor real-time performance, and difficulty in handling multi-objective and multi-constraint problems. It achieves globally optimal or near-optimal real-time control of complex drainage systems, improving the operating efficiency, reliability, and adaptability of drainage systems, and reducing energy consumption and overflow risks.

The invention provides an augmented reality display method, related equipment and a computer program product, and relates to the technical field of augmented reality display. The method comprises the following steps: acquiring attitude information determined for augmented reality equipment through an inertial measurement unit; acquiring an environment image which is acquired by an image acquisition unit and comprises a preset anchoring object; the preset anchor is fixed at a preset position of the vehicle; determining a relative pose of a preset anchoring object relative to the augmented reality equipment based on the environment image; correcting an accumulated error of the attitude information according to the relative pose so as to obtain corrected attitude information relative to the vehicle coordinate system; wherein the vehicle coordinate system is rigidly and fixedly connected with a vehicle physical structure; and displaying the augmented reality content at a predetermined anchoring position of the vehicle based on the corrected attitude information. According to the embodiment of the invention, the fixed-screen display of the augmented reality content in the vehicle space can be realized.

This application discloses a method and system for collaborative permission management of multiple alarm terminals, relating to the field of intelligent security technology. By acquiring identity information, role permission information, facial feature information, alarm terminal attribute information, and alarm object status information, a permission status association model is constructed. Based on this model, a permission policy package containing a permission set, permission status fingerprint, and offline authorization credential seed is generated for each alarm terminal. Each alarm terminal establishes a local permission mirror based on the policy package. In offline or weak network environments, permission verification is achieved by deriving offline authorization credentials. Simultaneously, a chain of operation records is generated after operation execution and uploaded to the central backend. The central backend performs cross-terminal permission consistency reconstruction and conflict correction based on the chain of operation records and dynamically updates the permission policy. This invention achieves dynamic permission modeling, offline availability, operation traceability, and multi-terminal collaborative consistency control, improving the system's security and reliability.

The invention discloses a correction device suitable for ingrown nail treatment of different toe types. The correction device comprises an elastic fixing gasket and an elastic traction mechanism. The two ends of the elastic traction mechanism are of hook-shaped structures and used for hooking the edges, embedded into the skin, of the two sides of the deck. The elastic traction mechanism is connected with the elastic fixing gasket in a sliding mode and can move in the length direction of the elastic fixing gasket. After the two ends of the elastic traction mechanism are fixed to the edges of the two sides of the deck, the position between the elastic traction mechanism and the elastic fixing gasket can be relatively adjusted, it is guaranteed that the elastic fixing gasket can be located at the highest point of the armor face all the time, and correction core elasticity can be provided through the elastic fixing gasket; the central point is kept at the highest point of the toenail surface, stress on two sides of the toenail can be adjusted by the aid of lever acting force, and unreasonable stress on the toenail is avoided. Therefore, the device can accurately adapt to various conditions, the correction effect and the comfort degree are improved, the ingrown nail correction scene of most toe types is covered, and a personalized scheme is provided.

This invention discloses a precise brain tumor resection path planning system integrating ultrasound and electromagnetic tracking, relating to the field of medical image processing. The invention includes: preoperative multimodal image segmentation and initial path planning; intraoperative real-time ultrasound image acquisition and feature point extraction; construction of a deformation interpolation model based on tissue type-weighted anisotropic kernel functions, introducing a divergence constraint regularization term; construction of a continuous three-dimensional deformation field within the region of interest using a hierarchical progressive strategy; application of the deformation field to the initial path for dynamic correction; control of the update frequency through an adaptive triggering mechanism, and real-time display of path risks using color coding. This invention achieves dynamic path correction in cases of intraoperative brain drift, contributing to improved accuracy in surgical path planning.