32results about How to "Improve general adaptability" patented technology

The application discloses a numerical simulation method and system for repeated tension and compression mechanical properties of a grouting sleeve, and belongs to the field of data processing. The numerical simulation method comprises the following steps: obtaining basic parameters of a grouting sleeve connector; solving grouting sleeve reference mechanical parameters according to the basic parameters; calculating the secant stiffness and stiffness degradation under the action of repeated loads, and solving the key component failure load, slip load and grouting material equivalent mechanical parameters; calculating the axial ring strain and stress of the steel bar and the sleeve, and the reduced load under the interaction of multiple factors; determining the axial ultimate bearing capacity of the grouting sleeve and the corresponding main failure mode; drawing a force-displacement curve, a hysteresis curve and a load-strain curve; performing compliance checking on the three curves, and outputting a structure safety coefficient and a damage risk prompt. The numerical simulation method improves the accuracy of numerical simulation under the repeated tension and compression working condition and the general adaptation ability of the multi-material system.

This invention provides a method and apparatus for repairing defects in the remanufacturing of automotive parts. The apparatus comprises a placement unit, a moving unit, an angle adjustment mechanism, and a repair spraying unit. The placement unit includes a base with a placement plate on top. A driven turntable is rotatably mounted on the placement plate, and automotive frame parts are placed on the driven turntable. A drive motor is mounted on the top of the base, and the output shaft of the drive motor is fixedly connected to the bottom of the driven turntable. The placement unit is used to place the automotive frame parts on the driven turntable and rotates to adjust the spraying repair direction as needed. The method and apparatus provided by this invention are used in the remanufacturing process of automotive frame parts for automated scanning, detection, and spraying repair of defects such as surface cracks, paint peeling, missing parts, and rust.

The embodiment of the invention provides a table data extraction method and device based on OCR (Optical Character Recognition) and visual language model collaboration. According to the method, the accurate positioning capability of optical character recognition and the deep semantic understanding capability of a visual language model are creatively fused; a complete cooperative processing framework from image preprocessing to structured data output is constructed, and the limitation of the prior art is effectively overcome. According to the method, the dependence on a fixed template and large-scale annotation data is abandoned, the table type is intelligently judged through adaptive structure analysis, the processing robustness under various abnormal conditions is ensured by utilizing a multi-layer progressive fault-tolerant mechanism, and the generalization adaptability of a system to tables with different formats and different qualities is remarkably improved. Meanwhile, by introducing a comprehensive verification and intelligent error correction process covering formats, semantics and consistency, the output data is not only accurate in the character level, but also reasonable and reliable in the business logic level.

The utility model provides a kind of spraying tool for automobile parts, belong to automobile parts spraying technical field, including base, the upper portion of base is provided with gantry support, the inside of gantry support is provided with tool support, the inside of tool support is provided with multiple long rods for installing workpiece and adjusting long rod;Adjusting long rod includes multiple arc plates, the inside of arc plate is provided with multiple T-shaped connecting columns, multiple arc plates are connected by T-shaped connecting column and elastic drawstring between;The inside of arc plate both ends is respectively provided with sub thread part, and the sub thread part of the corresponding end of multiple arc plates can be combined into a tapered screw hole, and the both ends of pipe body structure are respectively screwed with conical stud through tapered screw hole.The utility model through adjustable long rod, skid connection and stable structure, not only can effectively improve adaptability and efficiency, reduce shaking and shielding, but also can guarantee spraying quality, reduce cost.

The utility model relates to tractor engine assembly for supporting frock technical field, concretely relates to a kind of engine assembly for supporting frock, including adjusting assembly, still including the strip-shaped bottom plate in adjusting assembly, the strip-shaped mounting plate is movably connected on the upper surface of strip-shaped bottom plate, the inverted shell is fixedly connected with in the side surface of strip-shaped mounting plate, the middle baffle is fixedly connected with in the inner wall of inverted shell, the electric telescopic rod is fixedly connected with in the side surface of middle baffle, the mounting block is fixedly connected with in the output end of electric telescopic rod, the upper surface of mounting block is fixedly connected with connecting block, the upper surface of connecting block is fixedly connected with extension plate, and the lateral distance is adjusted by mounting plate along bottom plate sliding, and electric telescopic rod telescopic drives extension plate horizontal movement, realize fine adjustment of supporting position. Double-dimension adjustment adapts different lateral size engine and different layout support point, break the traditional fixed support limit, improve the universal adaptation ability to multiple models of engine.

The stripping knife comprises a knife holder, a knife rod and a stripping knife piece, the stripping knife piece comprises a mounting part and a knife head, the knife head is provided with a stripping knife edge with an opening opposite to a pin, and the stripping knife edge is provided with a knife edge which is in parallel contact with the pin in the axial direction during working. The tool bit is provided with an outer end face capable of making contact with an inductor base, and the blade extends to the outer end face. The paint stripping machine comprises a feeding unit, a paint stripping unit, a burr grinding unit, a discharging unit and a material transferring unit which are arranged on a rack. According to the invention, paint can be accurately stripped until the pin is exposed at the root part of the inductor base, the paint stripping precision and the paint stripping uniformity of the enameled wire pin are improved, the burr grinding unit carries out a deburring process on the pin after parallel paint stripping, the quality of the pin after paint stripping is improved, and the paint stripping efficiency and the equipment universality are improved.

The invention relates to the technical field of power line installation equipment, in particular to an anti-bird type lead anti-falling buckle. Comprising a buckle body. The two swing frames are arranged on the buckle main body; the two sliding blocks are respectively arranged on the two swing frames in a sliding manner; the two limiting frames are slidably arranged on the two sliding blocks correspondingly, arc-shaped grooves are formed in the opposite sides of the two limiting frames, and elastic pads are arranged on the opposite sides of the two limiting frames; and the adjusting mechanism is arranged on the limiting frames, and the adjusting mechanism is used for adjusting the gap between the two limiting frames. By adjusting the sliding stroke of the sliding block and the clamping distance of the limiting frame, the device can conveniently and fixedly clamp column type porcelain insulators with different neck diameters and different specifications, the defect that a traditional device only adapts to insulators of a single specification is overcome, and the field installation flexibility and universality are remarkably improved.

The invention relates to the technical field of unmanned aerial vehicles, in particular to an air-ground dual-purpose multi-rotor self-walking unmanned aerial vehicle which comprises a lower chassis, steering wheels are arranged on the four sides of the lower chassis, the four steering wheels are distributed in a rectangular array mode, a driving mechanism is installed in the lower chassis, the four steering wheels are all installed on the driving mechanism, a controller is installed on one side of the lower chassis, and the controller is connected with the controller. The upper end of the lower chassis is fixedly connected with an upper chassis, one side of the upper chassis is provided with a pan-tilt camera, and the upper end of the pan-tilt camera is provided with a laser radar. Through cooperation of the laser radar and the pan-tilt camera, the equipment realizes autonomous navigation and real-time obstacle avoidance, and meanwhile, real-time image data collected by the pan-tilt camera is transmitted to an unmanned aerial vehicle management platform; remote monitoring of the operation state and the working environment of the unmanned aerial vehicle is realized; in a scene with limited airspace, the controller can remotely issue a control instruction to drive the unmanned aerial vehicle to be automatically switched to a ground running mode, and accurate tail end delivery of goods is completed by means of the ground moving mechanism.

The invention provides an automatic angle ratio identification method and system of an optical fiber probe and an in-situ measurement device, and relates to the technical field of semiconductor detection.The method comprises the steps that an iris diaphragm of a light beam adjusting assembly is used for sampling light returned by the optical fiber probe according to a preset aperture sequence, an original data set is formed, and feature vectors are extracted; and matching with a pre-calibrated standard feature set in a database to output a target angle ratio. By adopting the scheme, automatic identification of the angle ratio can be realized under the condition that the hardware structure of the optical fiber probe is not changed; meanwhile, because the standard feature set is established under the unified preset calibration condition, the matching process has better robustness for the individual difference of the probe, thereby effectively reducing the risk of manual configuration and mismatching, improving the parameter consistency and measurement precision under the working condition of high-temperature strong background radiation, and improving the accuracy of measurement. And the universal adaptation capability of the in-situ measurement device to different probes is enhanced.

The invention discloses a heat treatment positioning mechanism and a high-frequency induction heat treatment method of a shaft sleeve, the heat treatment positioning mechanism comprises a main body part and a connecting part arranged at the bottom of the main body part and used for being connected with a rotary driving part, and an embedded positioning groove used for positioning the shaft sleeve to be treated is formed in the top end of the main body part. The embedding positioning groove is formed in the top end of the main body part, so that one end of the shaft sleeve to be treated can be directly embedded into the embedding positioning groove, positioning and fixing are carried out through mutual matching of the outer wall part of the shaft sleeve and the embedding positioning groove, and then the structure of an inner hole of the shaft sleeve can be ignored; no matter whether the inner hole of the shaft sleeve is in a regular circle shape or an irregular special shape, as long as the outer diameter of the shaft sleeve is matched with the inner hole diameter of the embedded positioning groove, the heat treatment positioning mechanism can be used for positioning the shaft sleeve, and the universal adaptability of the heat treatment positioning mechanism is improved.

This invention discloses a stripe projection 3D imaging system based on a Micro-LED array. Its 3D information acquisition module consists of an integrated packaged Micro-LED driver board, a Micro-LED array, a micro-projection module, and a CCD camera. The 3D reconstruction module utilizes a computer. The micro-projection module is equipped with a plano-convex lens and a mechanical focusing damping structure, and is separately arranged in the front and rear optical paths of the Micro-LED array. The system's workflow is as follows: the driver board reads pre-stored stripe pattern data and timing-controls the Micro-LED array to output coded structured light stripes; the focusing structure adjusts the object distance in the optical path, focusing and scaling the stripes before projecting them onto the surface of the object being measured; the CCD camera simultaneously acquires a sequence of deformed images modulated by the object's shape and transmits it to the computer; the computer combines a multi-step phase-shifting algorithm and Gray code rules to complete phase calculation and unfolding, and, combined with a preset phase-height mapping relationship, reconstructs the 3D shape and point cloud data of the object being measured. This invention enables low-cost, miniaturized, and high-performance 3D shape measurement.

The application relates to the technical field of automatic driving control and discloses a general automatic driving control system for indoor and outdoor mobile operation vehicles, which comprises an upper intelligent computing module, a bottom driving execution module and a cloud collaborative service module. The upper intelligent computing module performs environment perception, positioning planning and operation logic management, and generates bottom control instructions matched with the current mobile operation platform in combination with the vehicle type, chassis parameters and implement parameters; the bottom driving execution module receives the instructions to drive the vehicle and operation actions, and generates a vehicle running state, which comprises a safety takeover unit independent of the upper layer and used for executing speed zero setting, braking keeping and operation load disconnection when an exception occurs; and the cloud collaborative service module receives the running state and issues task instructions. The application improves the general adaptation capability of the system to different hardware platforms and guarantees the bottom running safety of the vehicle when the main control is abnormal.

The utility model relates to a kind of adjustable slide buckle assembly and chain belt, including sequentially arranged slider, pedestal and backplate, the middle part of opposite face of slider and pedestal is equipped with the sliding slot that cooperation chain tooth passes through, the upper end of slider and the upper end of pedestal are reserved gap, the lower end of pedestal is equipped with recess, the lower end of slider is equipped with the convex part of recess adaptation, the upper surface of this convex part is equipped with multiple equidistantly arranged limit slot, limit slot is sequentially connected and presents wavy shape, recess upper wall is equipped with the convex rib of cooperation limit slot near slot, this convex rib is inserted into limit slot with interference, pedestal detachably connects backplate.The utility model's slide buckle assembly is set adjustable sliding slot structure in slide buckle assembly, realizes the dynamic adaptation of sliding slot width, can match the chain tooth of different size models, can be widely applied in different styles, different size cotton clothes cap connecting structure, greatly improve the universal adaptability of component, reduce the component adaptation cost caused by product model iteration.

The application discloses a kind of auxiliary systems with C-shaped buckle, catheter and guide wire for replacing gastric tube, including catheter body, support guide wire, gastric tube and exchange guide wire, catheter body lower end is fixedly connected with C-shaped buckle, C-shaped buckle middle is provided with guide wire through-hole, C-shaped buckle upper end is fixedly connected with flared tube, support guide wire is in catheter body middle, support guide wire upper end is fixedly connected with auxiliary head, the integrated setting of the present application through catheter body and C-shaped buckle can be quickly connected original gastric tube, and the guide path established by original gastric tube avoids the gastric tube curling problem caused by traditional blind insertion from the root, and the two-way guiding and limiting of flared tube, the rigid support of support guide wire and the convenient operation of auxiliary head make the gastric tube replacement realize standardized simple operation, without complex professional skills, not only improve the operation efficiency of medical staff, but also let patient family members can independently complete operation after simple guidance.

The invention discloses a part welding machine for aluminum alloy unmanned aerial vehicle shell machining, and relates to the technical field of welding. Comprising a workbench, a welding mechanism is arranged at the rear end of the workbench, a clamp is arranged at the top of the workbench, a mounting box is fixed to the middle of the right end of the workbench, a hand supporting assembly is arranged in the mounting box, a front supporting assembly is arranged at the end, close to the welding mechanism, of the mounting box, and a protection assembly is arranged at the end, close to the clamp, of the front supporting assembly. Stable supporting force is applied to the palm of a worker through the hand supporting assembly, the stress state of welding operation is optimized, the front side of a part is lifted through the front supporting assembly, meanwhile, welding thermal deformation is prevented, closed safety protection is formed for a welding area through the protection assembly, and the welding safety is improved. And full-flow assembly synchronous action with hand force application as a single trigger point is achieved through cooperation of multiple sets of hydraulic boxes.

The invention relates to a monitoring device and method for an underwater vehicle, and the device comprises a mainboard which comprises a signal processing module and a communication control module. One end of the data acquisition module is a data acquisition end, and the other end is a data transmission end; the data transmission end of the data acquisition module is connected with the communication control module, or the data transmission end of the data acquisition module is connected with the communication control module through the analog-to-digital converter and the signal processing module in sequence. And the data storage module is connected with the communication control module and is used for storing the measurement data acquired by the data acquisition module. A plurality of plug ports are reserved in a mainboard of the monitoring device and used for being connected with a plurality of sensors, different types of sensors can be configured according to actual needs to collect required measurement data, the modular design supports configuration of sensor combinations according to needs, the universal adaptation capability of the system on different models of aircrafts is enhanced, and the system is convenient to use. And a flexible and reliable technical support means is provided for research and development of an underwater unmanned system.

The invention discloses a cluster decision-making method and system based on evolutionary transfer learning, and belongs to the technical field of local security protection, and the method comprises the following steps: S1, initializing a chasing scene, and generating a current task parameter group; s2, determining a most similar task parameter group; s3, determining a Pareto frontier solution with a fixed size according to the most similar task parameter group; s4, obtaining an optimal solution of the current task parameter group, and determining the fitness of the optimal solution; and S5, updating the positions of the pursuit agent and the escape agent. According to the method, the historical optimal solution set is dynamically screened, global optimization experience of similar tasks is inherited, the local evolution advantage of adjacent tasks is reserved, inter-generation and inter-time-sequence knowledge migration is achieved, and therefore the solving process of the current task is remarkably accelerated.

The application discloses a connecting structure and electronic equipment, and relates to the technical field of electronics. The connecting structure comprises a shell and an anti-loosening clamping assembly. The anti-loosening clamping assembly comprises a fixed disc, which is installed at the entrance of the shell; a rotating disc, which is rotatably arranged in the fixed disc, and the rotating disc and the fixed disc are provided with a through threading cavity in cooperation; a plurality of guide grooves are arranged on the rotating disc, and the guide grooves are circumferentially spaced and have varying radial dimensions; a clamping frame, one end of which is slidably arranged in the guide groove, and the other end of which extends to the threading cavity, and the clamping frame is circumferentially spaced along the rotating disc; and an operating member, which is movably installed on the fixed disc, one end of the operating member is located outside the fixed disc, and the other end of the operating member penetrates into the fixed disc and is in transmission connection with the rotating disc. When the rotating disc is rotated by the operating member, each clamping frame moves inwards along the guide groove to approach each other or moves outwards to move away from each other, so that the cable in the threading cavity is uniformly clamped or loosened.

The utility model discloses a controllable check valve which comprises a valve body with an installation cavity, a valve clack, a rocker, a fork-shaped piece and a valve cover, the valve clack rotates along with the rocker and has an opening state and a closing state, and when the valve clack is in the opening state, a controllable opening and closing assembly used for fixing the valve clack to be in the opening state is arranged between the rocker and the valve body. The controllable opening and closing assembly has an opening state and a closing state, and when the controllable opening and closing assembly is in the closing state, the rocker and the controllable opening and closing assembly are matched to fix the valve clack to be in the opening state; when the controllable opening and closing assembly is in the opening state, the controllable opening and closing assembly does not interfere with rotation of the rocker. The controllable opening and closing assembly is provided with a control end located outside the valve body, and the control end controls the controllable opening and closing assembly to be switched between the opening state and the closing state. The automatic non-return valve has the following advantages and effects that automatic non-return and controllable closing of the valve can be realized, so that the use requirements of special scenes are met, the use cost is reduced, and the universal adaptability of the valve is improved.

This invention provides a self-calibration method and system for a turnstile system capable of shielding against multi-source interference. Applied to the field of access control technology, the method involves acquiring images using a 3D vision device, detecting the turnstile blades, clustering their spatial distribution, and calculating geometric calibration parameters to achieve channel self-calibration. Based on depth images, background modeling and updating are performed, incorporating static structures into the background to form static shielding areas. The active areas of the blades are determined according to the geometric calibration parameters. When blade movement is detected, dynamic shielding is applied to the foreground within the active area to suppress static appearance interference and blade opening / closing interference. The system includes modules for image acquisition, blade detection and clustering, geometric parameter calculation, background modeling and updating, static appearance shielding, blade movement shielding, and real-time detection optimization. This invention reduces deployment and maintenance costs, decreases false positives and false negatives, and improves the stability and robustness of detection and measurement in complex environments.

The invention relates to the technical field of thin-wall bearing press-fitting, in particular to an automatic stainless steel thin-wall bearing sealing ring press-fitting machine which comprises a base, and a bearing feeding assembly used for conveying thin-wall bearings in the middle at equal intervals and two sealing ring feeding assemblies used for positioning and feeding sealing rings are arranged at the top of the base. The double-station press-fitting assembly is matched with the corresponding sealing ring feeding assembly to grab and press-fit the sealing rings; the bearing feeding assembly can achieve automatic centering and equal-interval conveying of bearings with different diameters, the sealing ring feeding assembly can accurately position sealing rings with different sizes and maintain the axis uniformity, and a special tool does not need to be replaced. The double-station press-fitting assembly can accurately grab sealing rings of multiple specifications, lossless press-fitting is achieved through secondary positioning and arc extrusion, press-fitting of the sealing rings on the two sides is synchronously completed in combination with the automatic turn-over function, and the equipment universality, the press-fitting efficiency and the assembling quality are remarkably improved.

The utility model discloses a pin clip spring mechanism and a relay socket, comprising an installation part and a clamping part which is connected with the installation part and is used for plugging with a product pin, the clamping part comprises a plurality of elastic clamping petals which are arranged on the installation part in a central symmetry manner, and the elastic clamping petals cooperate with each other to form an encircling type elastic clamping structure. According to the pin clamping spring mechanism, the clamping part is of the surrounding type elastic clamping structure formed by the elastic clamping petals which are arranged in a central symmetry mode and matched with one another, and when the pins of the product are inserted into the insertion space of the pin clamping spring mechanism, the pins can be inserted into the insertion space of the pin clamping spring mechanism; the elastic clamping petals evenly and elastically abut against the peripheral face positions of the product pins so as to clamp and fix the product pins and stably clamp the product pins at the center position of the inserting space, and therefore when the pin clamping spring mechanism is installed on a PCB, installation can be conducted at any angle of 360 degrees in the circumferential direction, and the pin clamping spring mechanism can be installed on the PCB at any angle of 360 degrees. And the installation efficiency of the pin clamping spring mechanism on the PCB can be improved.

The invention discloses a roller expansion sleeve automatic tightening device, and relates to the technical field of roller expansion sleeve tightening, the roller expansion sleeve automatic tightening device comprises a self-adaptive positioning assembly and an intermittent rotating assembly, and further comprises a stable base, the top of the stable base is fixedly connected with a hanging supporting rod, and the four edges of the bottom of the hanging supporting rod are fixedly connected with supporting angle irons; eight sets of stable bases and eight sets of suspension supporting rods are arranged, the tops of every four sets of suspension supporting rods are jointly and fixedly connected with a connecting top plate, an adjusting suspension structure is arranged at the bottom of the connecting top plate, electric tightening machines are arranged at the bottom of the adjusting suspension structure, and a self-adaptive positioning assembly is arranged between the electric tightening machines. Through cooperation of all the structures of the equipment, manual tightening is replaced, automatic tightening operation is achieved, the labor intensity of workers is relieved, and meanwhile the working efficiency is improved; and the tightening torque of each group of bolts can be recorded and stored, so that real-time export and check are facilitated, and the problems of non-uniform tightening torque, low efficiency and high labor intensity of the traditional manual tightening torque are solved.

The invention discloses an oblique light spot energy distribution evaluation system for additive manufacturing, and relates to the field of laser process measurement, and the system comprises a motion execution module which is used for driving a laser emission unit to carry out pose adjustment in a three-dimensional space; the detection judgment module is used for judging whether the spot size exceeds a preset measurement range or not in real time in the laser scanning process and outputting a mode selection signal according to the spot size; a dual-mode measurement module selectively enabling a first measurement subunit or a second measurement subunit in response to the mode selection signal; and the data processing and modeling module is used for establishing a function relationship between the light spot size and the energy attenuation along with the change of the defocus distance, and calculating an energy distribution analytical expression of the laser on the target working plane when the laser is incident at any inclination angle. According to the scheme, the process of evaluating the energy distribution of the oblique light spots can be innovated into rapid analytical calculation based on actual measurement, so that a key basis is provided for real-time optimization of additive manufacturing process parameters.

The utility model relates to the technical field of lithium battery production, in particular to a pole piece cutter of a winding machine. According to the technical scheme, the pole piece cutter of the winding machine comprises a limiting groove, a protruding block, a cutter frame and a cutter body, the limiting groove is formed in the cutter frame, the protruding block is arranged on the cutter body, the cutter body is installed on the cutter frame in a limiting mode through mutual matching of the protruding block and the limiting groove, blades are arranged on the two sides of the cutter body, and the angle of the blade position of each blade is 89 degrees. According to the utility model, the 45-degree upper cutter is changed into the 89-degree upper cutter, so that the problem of material falling can be solved, and meanwhile, the service life of the cutter is prolonged.

This application provides a cover plate protective insert with a flexible clamping structure, belonging to the field of inserts. It includes a sliding roller assembly and two sets of connecting columns installed inside the two sets of sliding roller assemblies. A set of right-side gears is fixedly installed on one outer wall of each connecting column, and a set of knobs is fixedly installed on the other outer wall of the gears. A set of wheel disks is fixed to each end of the circumferential outer wall of the connecting column. Connecting rods are fixedly connected to the inner outer walls of the two sets of wheel disks. Two sets of wires are fixed to the outer wall of the center of the connecting rods. This utility model adopts an arc-shaped inner wall insert design, which can conform to the curved edge of the cover plate, increasing the contact area while avoiding local friction damage caused by sharp corner contact, reducing the risk of scratches on the cover plate surface. Combined with two sets of flexible wires clamping the cover plate from front to back, a stable fixation can be formed through appropriate elasticity. This prevents the cover plate from colliding and rubbing against the insert or adjacent cover plates due to shaking during placement and movement, and the flexible material properties avoid squeezing damage caused by rigid clamping.

The invention relates to a universal high-voltage cabinet five-prevention operation acousto-optic guiding device and method, the device comprises an input acquisition module, a main control unit, an output output module and a human-computer interaction interface, the input acquisition module is used for acquiring state signals of a load switch, an isolation switch, a cabinet door and a grounding switch in a high-voltage switch cabinet in real time; the main control unit performs five-prevention logic judgment based on the collected state signal, automatically identifies the cabinet type and judges the current operation process; the output quantity output module is used for driving the acousto-optic indicating device and the locking executing mechanism; and the man-machine interaction interface is used for displaying an operation process and outputting an acousto-optic prompt Through dynamic judgment and step-by-step guidance of a power transmission process and a power failure process, when misoperation or an abnormal state is detected, an alarm can be given in time, and subsequent operation is stopped, so that the operation safety and universality of the high-voltage switch cabinet are improved.

The invention belongs to the technical field of industrial measurement, and particularly relates to a code band position and speed identification method and system. The method comprises the following steps: constructing and storing a standard coding model adaptive to a current identification program; carrying out continuous light beam scanning sampling on the code band according to a preset sampling period, collecting a light intensity change signal representing the physical structure of the code band, and converting the light intensity change signal into a discretized one-dimensional time sequence photoelectric signal; preprocessing the one-dimensional time sequence photoelectric signal; a continuous sampling frame matching mode with a multistage filtering fault-tolerant mechanism is adopted, the preprocessed one-dimensional time sequence photoelectric signal is compared with a standard coding model, and the absolute position and the accurate position of a current scanning section in a code band are determined; and calculating the running speed of the moving target based on the displacement variation of the matching result of the continuous sampling frames and the sampling period. According to the invention, the problems of insufficient adaptation flexibility, poor stability in a complex environment and weak anti-interference capability of the existing code band detection system can be solved.

This invention discloses a method, device, motor, storage medium, and computer program product for adaptive PI control of a motor. It is applied to a dual closed-loop motor control system including a speed loop and a current loop, where the control system is equipped with a PI controller for speed and current regulation. The method includes: acquiring the actual back EMF characteristic quantity of the motor under its current operating state and the reference back EMF characteristic quantity corresponding to the current motor speed; performing a difference operation between the actual and reference back EMF characteristic quantities to obtain a back EMF difference value; determining the motor's load state based on a comparison between the back EMF difference value and a preset threshold; and selecting matching PI parameters and loading them onto the PI controller based on the load state. This scheme improves the universality and adaptability of the adaptive PI control scheme for motors and effectively reduces the adaptation and debugging costs for different motor and load combinations.