28results about How to "Small adjustment range" patented technology

The invention relates to the technical field of plate processing, in particular to a plate laminating deviation rectifying method, a deviation rectifying assembly and a plate processing device. The method comprises the following steps: firstly, obtaining the offsets of a film in an unwinding section, a gluing section and a fitting section, calculating the offset degree x and the offset speed S according to the offsets of three positions, then comparing S with an offset speed threshold value S1, if S is greater than S1, increasing the gluing width, then controlling a plate to rotate nX / N along the offset direction of the film, and finally, adjusting the offset degree x and the offset speed S to be equal to the offset degree x; and the film releasing roller is controlled to move (N-n) A / N in the axial reverse deviation direction, that is, the relative deviation degree of the film and the plate becomes zero by adjusting the film and the plate at the same time, and finally the gluing assembly is controlled to move nB / N in the deviation direction, and the gluing width is reduced. According to the offset degree and the offset speed of the thin film, the positions and the gluing width of the plate, the film releasing roller and the gluing assembly are adjusted, the redundancy of the thin film and the thin film gluing area arranged for coping with the offset of the thin film is reduced, and therefore waste of materials is reduced.

The present invention discloses an active fuel pulsation attenuator for a vehicle engine, which relates to the field of fuel pulsation attenuators for a vehicle engine, and includes an elastic diaphragm and a chamber formed by an upper shell and a lower shell, wherein an air spring for pulling the elastic diaphragm toward the lower chamber is arranged in the upper chamber of the chamber, and a temperature regulating component for adjusting the stiffness of the air spring is also arranged at one end of the air spring. Based on the characteristics of semiconductor materials that can quickly cool and heat, the present invention combines the cooling and heating effects of semiconductor materials and applies them to the fuel pulsation attenuator for a vehicle engine, and can quickly and accurately control the semiconductor cooling sheet to adjust the air spring through the precise acquisition of the fuel pressure sensor, thereby realizing the active fuel pulsation regulation function.

The application provides an explainable analysis method and system for burn prediction results, and belongs to the technical field of intelligent burn analysis. The method is to set a target result, continuously adjust biomarkers corresponding to the burn prediction result, obtain improved biomarkers, use a random forest model to predict the improved biomarkers to obtain improved results, continuously adjust the biomarkers corresponding to the burn prediction result until the improvement target is reached, and then explain and analyze the burn prediction result according to the improvement target. The technical problem that the existing technology cannot perform explainable analysis on the grading and typing prediction results by using the machine learning method is solved, a clinically understandable decision basis is formed, and systematic computing support is provided for burn diagnosis and treatment.

The utility model discloses a solar cell solder strip welding device which comprises a base and a welding mechanism. A fixing seat is arranged on the rear side of the upper end of the base, a mounting box is arranged at the upper end of the fixing seat, a supporting column is arranged on the front side of the upper end of the base, a mounting seat is arranged at the upper end of the supporting column, a connecting seat is slidably connected into a sliding groove formed in the middle of the upper end of the mounting seat, and a storage table is arranged at the upper end of the connecting seat; the welding mechanism comprises an adjusting seat and a laser welding machine, the adjusting seat is in sliding connection with an adjusting groove formed in the middle of the front end of the mounting box, and the laser welding machine is arranged at the front end of the adjusting seat; the solar cell welding strip welding device further comprises a control switch set, the traditional mode that a welding machine is manually held by hand to weld a solar cell welding strip can be replaced, the working efficiency is improved, meanwhile, the adjusting amplitude is small, and the problem that the welding quality is affected due to the fact that the distance between the laser welding machine and the solar cell welding strip is too close is solved.

The invention relates to a construction method of a drilling speed regulation and control model, a regulation and control method and drilling equipment. The method comprises the steps of obtaining a drilling data Cartesian product combination set based on a bit pressure data set, a drilling angle data set, a drilling rotating speed data set and a drilling hardness data set; based on the multiple first drilling data sets in the drilling data Cartesian product combination set, drilling equipment is controlled to conduct drilling on the corresponding drilling target objects so as to obtain corresponding drilling speed values when drilling is conducted on the corresponding target objects based on the multiple first drilling data sets; a plurality of first drilling data sets in the drilling data Cartesian product combination set are combined with the corresponding drilling speed values, so that a plurality of second drilling data sets are obtained; and solving the multivariate regression function based on the plurality of second drilling data groups to obtain a drilling speed regulation and control model. The invention provides a model capable of achieving a target drilling speed value by changing a bit pressure value and a drilling rotating speed value.

The utility model is applicable to the technical field of laundry detergent production, and provides a feeding device for laundry detergent production, which comprises a main stirring tank, a liquid inlet pipeline and a connecting pipe are arranged on the main stirring tank in a penetrating manner, the connecting pipe is connected with a pre-stirring tank, and a water conveying pipe and a plurality of conveying pipe joints are arranged above the pre-stirring tank. The conveying pipe joints are connected with one ends of raw material liquid conveying pipes, the other ends of the raw material liquid conveying pipes are connected with raw material tanks, a movable platform is arranged below the raw material tanks, a rotatable inner rotating shaft is arranged in the pre-stirring tank in a penetrating mode, an outer rotating shaft rotating in the opposite direction of the inner rotating shaft is arranged outside the inner rotating shaft in a penetrating mode, and a plurality of fan blades are arranged on the inner rotating shaft and the outer rotating shaft. Therefore, a plurality of raw materials in the preparation process are pre-mixed by utilizing devices such as the pre-stirring tank and the like, and the pre-mixed solution is added into the laundry detergent total stirring tank, so that the dissolving efficiency of laundry detergent preparation is conveniently improved, and the application range is wide.

The invention relates to a device and method for adjusting the height of a rigid protrusion of a nuclear fuel assembly grillwork strip. The device comprises a height reducing male die punch, a height reducing female die punch, an upper die frame, a height increasing male die punch, a height increasing female die punch and a lower die base. The height reducing male die punch and the height increasing male die punch are embedded in the inner side of the upper die frame in a module mode. The height reduction female die punch is embedded in the position, right opposite to the height reduction male die punch, of the inner side of the lower die base in a module mode. The heightening female die punch is embedded in the position, right opposite to the heightening male die punch, of the inner side of the lower die base in a module mode. By designing the device for synchronously and reversely adjusting the heights of the rigid protrusions on the same side of the strip, the technical problems that when a nuclear fuel assembly grillwork G factor is unqualified, the efficiency of the processes of rigid protrusion height adjustment, measurement judgment, readjustment and the like in the grillwork is low, and batch production is not facilitated are solved, and meanwhile the problem that after the strip rigid protrusion height is adjusted, the production efficiency is low is solved. The appearance, the size, the crack and the like of the rigid bulge are inconvenient to detect.

The utility model relates to the field of automobile manufacturing, and discloses a torsion shaft suspension structure with the adjustable height. Comprising a circular shaft tube, an adjusting bolt fixing support, an adjusting bolt fixing block, an adjusting bolt, an adjusting nut, an adjusting arm, a steering knuckle, a spline shaft seat, an adjusting bolt cushion block, a first adjusting arm check block, a second adjusting arm check block, an inner sleeve, a spline shaft, a rubber sleeve, a bayonet, a groove, a right notch groove, a circular hole, a connecting circular groove, a connecting hole and a limiting hole. The circular shaft tube is fixedly connected with the adjusting bolt fixing support in a welded mode, the inner sleeve is fixedly connected with the steering knuckle in a welded mode, the rubber sleeve is connected with the interior of the circular shaft tube in a clamped mode, and the first adjusting arm check block and the second adjusting arm check block are fixed to a bayonet. The adjusting arm, the first adjusting arm check block and the second adjusting arm check block are fixedly connected to the outer side wall of the circular shaft pipe, and the adjusting bolt fixing block is fixedly connected with the groove.

The invention discloses a control strategy training method, a control action decision-making method, a control strategy training device and control action decision-making equipment, and relates to the technical field of artificial intelligence. The method comprises the following steps: acquiring first state data of a regulation and control object; generating first action data according to the first state data through the regulation and control strategy network, the first action data being used for indicating a regulation and control action which is generated for the regulation and control object and corresponds to the first moment; under the constraint of a safe operation condition, correcting the first action data to obtain corrected first action data, the safe operation condition being a condition for ensuring safe operation of the regulation and control object; and adjusting parameters of the regulation and control strategy network based on the first action data, the corrected first action data and the first state data to obtain an updated regulation and control strategy network. The method ensures that the regulation and control strategy network is updated towards the convergence direction while ensuring the security of the single-step decision of the regulation and control strategy, so that the decision of the trained regulation and control strategy network can have long-term security.

The utility model discloses a building safety monitoring device which comprises an installation frame, a monitoring mechanism and an adjusting mechanism. A fixing plate is arranged in the middle of the front end of the mounting frame, a connecting seat is rotationally connected to the front side of the upper end of the fixing plate through a bearing, and a fixing seat is arranged at the upper end of the connecting seat; the monitoring mechanism comprises a shell, a lens, a partition plate and a photoelectric sensor, the shell is arranged at the upper end of the fixed seat, the lens is arranged in a mounting groove formed in the front end of the shell, the partition plate is arranged on the rear side in the shell, and the photoelectric sensor is arranged in the middle of the front end of the partition plate; according to the building safety monitoring device, the monitoring position of the building safety monitoring device can be adjusted through the vertical rod, the adjusting amplitude is relatively small, shooting is clear, and the monitoring effect is good. Meanwhile, after the monitoring position of the building safety monitoring device is adjusted, self-locking can be achieved through a lead screw structure.

The present invention relates to a drilling speed control model construction method, a control method, and a drilling device. The method includes: obtaining a drilling data Cartesian product combination set based on a drilling pressure data set, a drilling angle data set, a drilling speed data set, and a drilling hardness data set; controlling the drilling device to drill on a corresponding drilling target object based on a plurality of first drilling data groups in the drilling data Cartesian product combination set, respectively, to obtain the drilling speed values ​​corresponding to each of the plurality of first drilling data groups when drilling on the corresponding target object; combining the plurality of first drilling data groups in the drilling data Cartesian product combination set with the respective corresponding drilling speed values, respectively, to obtain a plurality of second drilling data groups; solving a multivariate regression function based on the plurality of second drilling data groups, to obtain a drilling speed control model. A model is provided that can achieve a target drilling speed value by changing a drilling pressure value and a drilling speed value.

The invention discloses a battery assembly test method, system and device based on image acquisition, and the method comprises the steps: collecting the images of a to-be-tested battery assembly through n image acquisition devices, obtaining n test images, and placing the to-be-tested battery assembly on a first test table; determining an initial position of the to-be-tested battery assembly on a first test table according to the n test images; according to the initial position of the to-be-tested battery assembly, transferring the to-be-tested battery assembly to a probe row test table, and testing the to-be-tested battery assembly through a battery assembly tester; and after the test is completed, the to-be-tested battery assembly is transferred to the second test table, so that the to-be-tested battery assembly is conveyed to the corresponding material box. By analyzing and fusing the images acquired by the n image acquisition devices, more accurate positioning of the to-be-tested battery assembly can be obtained, and the accuracy and efficiency of testing the battery assembly are greatly improved.

The invention provides an imaging system, an exterior mirror system comprising the imaging system, a microscope system comprising the imaging system and an automatic focusing method. The imaging system comprises an image acquisition device, a control unit and a calibrator, the image acquisition device comprises a variable-focus objective lens and at least one imaging unit. The imaging unit comprises an imaging lens group and a photoelectric converter. The calibrator can emit focusing laser, and the focusing laser is irradiated to a target area through the variable-focus objective lens; and the control unit is configured to adjust the variable-focus objective lens based on the position of a light spot formed by the focusing laser emitted by the calibrator in the target area in the image so as to realize automatic focusing of the variable-focus objective lens.

The application discloses a kind of active front wheel steering time delay feedback controller parameter time delay feasible region's calibration method, and include steps: 1) the vehicle system model of active front wheel steering feedback controller including time delay is established;2) by constructing Lyapunov-Krasovskii functional, time delay independent stability parameter region is solved;3) by Laplace transform solving system characteristic equation, obtain stability discriminant polynomial;4) it is solved to the minimum critical time delay that can be tolerated under time delay independent stability region and time delay related stability zone under different control parameter combinations of system.This application can provide reference for controller stability design, compared with traditional active front wheel steering controller without considering time delay, can more effectively judge whether system meets stability requirement, and reduce control parameter adjustment range, so as to reduce test cost in actual engineering, guarantee the stability of vehicle control system.

The utility model discloses an optical lens accurate grinding and polishing device which comprises a cabinet body and an adjusting mechanism. A mounting groove is formed in the upper side in the cabinet body, a guide sliding column is arranged in the middle of the left wall of the mounting groove, connecting columns are slidably connected to the left side and the right side of the outer arc face of the guide sliding column respectively, guide sliding grooves are formed in the left side and the right side of the bottom wall of the mounting groove respectively, and the connecting columns are slidably connected with the vertically adjacent guide sliding grooves respectively. And motors are arranged at the lower ends of the connecting columns correspondingly, polishing wheels are fixedly connected to the ends, close to the center in the cabinet body, of output shafts of the motors correspondingly, a fixing plate is arranged in the middle of the rear wall of the cabinet body, a clamp is arranged at the front end of the fixing plate, and supporting columns are arranged at the four corners of the lower end of the cabinet body correspondingly. The positions of the two polishing wheels can be adjusted at the same time, the structure is simple, the adjusting amplitude is small, the whole process can be completed only through one motor, and cost is relatively low.

A tubing end cutting tool includes conveying tracks, positioning assemblies and clamping assemblies. The conveying tracks are two and are arranged in sequence along the conveying direction of the conveying tracks and are used for conveying the tubing. The positioning assemblies are two and are arranged above the conveying tracks and include two support plates arranged on the two sides of the conveying tracks and moving along the vertical direction. A plurality of pressing blocks are arranged above the support plates along the length direction of the support plates and are used for limiting the tubing. The clamping assemblies include a lifting frame arranged between the conveying tracks and moving along the vertical direction. A plurality of baffle plates are arranged on the two sides of the lifting frame along the circumferential direction of the lifting frame and move along the radial direction of the lifting frame synchronously. The baffle plates are provided with clamping blocks on the side away from the center of the lifting frame. The clamping blocks located below move along the thickness direction of the lifting frame and are used for clamping the end of the tubing. The end of the tubing is clamped, the end of the tubing is conveniently transferred and the tool has strong practicability.

The present invention relates to the field of fuel cells, and provides a membrane electrode with adjustable wettability, a preparation method and an application thereof, wherein the membrane electrode comprises an anode gas diffusion layer, an anode catalyst layer, a proton exchange membrane, a cathode catalyst layer and a cathode gas diffusion layer which are sequentially stacked and connected, wherein the anode gas diffusion layer is a single-layer structure, and the single-layer structure is a substrate layer, and a wettability regulating porous layer is provided between the anode gas diffusion layer and the anode catalyst layer, and the wettability regulating porous layer comprises a conductive agent, an adhesive, a hydrophobic agent, an inorganic oxide and a light-induced wettability change photosensitizer. Advantages: (1) The wettability of the coating surface can be adjusted according to the operating conditions of the membrane electrode by the wavelength of light and the irradiation time to improve the performance of the membrane electrode in a low humidity or high humidity environment. (2) It avoids adding wettability regulating substances to the anode catalyst layer to ensure its normal catalytic ability. (3) The thickness is thinner, and the interface resistance is reduced, while the adjustment range of the membrane electrode operating conditions is expanded.

The invention discloses a large-dynamic-range high-precision pupil and optical axis stable compound control system which comprises a front-stage optical path system, a coarse-stage pupil correction assembly, a coarse-stage pupil error detection assembly, a fine-stage pupil and optical axis correction assembly, a spectroscope, a fine-stage pupil and optical axis error detection assembly, a processing controller and a rear-stage optical path system. Reasonable spatial arrangement is utilized to complete large-dynamic-range and high-precision correction of pupil optical axis stability errors. According to the system, coarse-level and fine-level pupil correction assemblies and an optical axis correction assembly are used as execution devices, coarse-level and fine-level error detection assemblies are used as detection feedback devices, a closed-loop system is formed through a control algorithm, and precise alignment of pupils and optical axes of front and rear optical systems is achieved.

A wafer rotary table is rotatably installed on a bottom plate, a rotary table driving device for driving the wafer rotary table to rotate is arranged on the bottom plate, the wafer rotary table comprises an upper disc located at the bottom and a shell surrounding the upper disc, a lifting and leveling device is installed on the upper disc, a workbench is installed on the lifting and leveling device, and the lifting and leveling device is connected with the workbench. A wafer placing table is installed on the working table, a lifting and leveling device drives the wafer placing table to lift and level, an ejector pin which penetrates through the wafer placing table and is used for supporting wafer lifting is installed on the upper disc in a lifting mode, the ejector pin is driven by an ejector pin lifting power device, and a plurality of bottom measuring sensors which penetrate through the wafer placing table in a lifting mode are further arranged on the upper disc. The wafer placing table is provided with a negative pressure channel for performing negative pressure suction on the wafer, and the negative pressure channel is connected with a negative pressure system; the adjusting table can perform horizontal adjustment and height measurement on the supported wafer, and can ensure that the wafer is accurately placed after being taken for multiple times, so that the use effect is improved.

The invention relates to medical instruments, in particular to a fracture steel plate adjustable guide hole device which comprises a support, an adjusting device and a guide hole sleeve, the adjusting device is fixed to the outer side of the support and can adjust the outer diameter of the guide hole sleeve, and the guide hole sleeve is arranged on the inner side of the support and used for guiding a drill bit to punch a threaded hole in the far end of a fracture part; the outer diameter of the guide hole sleeve is adjustable through the guide hole sleeve with the incomplete ring and the adjusting device; the reference sleeve with the same inner diameter as the sleeve used for drilling the sliding hole is used as the maximum reference of the outer diameter of the guide hole sleeve, and the guide hole sleeve is arranged in the reference sleeve, so that the guide hole sleeve only needs to be reduced, and the range needing to be adjusted is reduced.

The invention discloses a variable-frequency helium compressor capable of adjusting the circulating flow of lubricating oil. The variable-frequency helium compressor comprises an oil way system and a flow control part, the oil way system comprises a pressing bag, an oil supplementing opening, a heat exchanger, a first filter, a second variable flow control device and a first fixed flow control device. The flow control part is connected between the frequency signal output end of the pressing bag and the control end of the second variable flow control device, and the flow control part is used for recognizing the rotating frequency of a pressing bag motor and outputting a control signal to the control end of the second variable flow control device according to the rotating frequency of the pressing bag motor. Therefore, the opening degree of the second variable flow control device is adjusted, and the circulating flow of lubricating oil in the oil way system is controlled. The fixed flow control device in the oil way is reserved on the basis of the variable flow control device, the adjusting precision of the variable flow control device can be improved, and the efficiency of the helium compressor is improved.

The present invention relates to a sponge foaming production device with adjustable width, comprising a frame, on which a bottom chain plate mechanism, a drop plate mechanism and two side chain plate mechanisms are arranged, the drop plate mechanism comprising a plurality of first drop plates rotatably connected in sequence, a plurality of lifting mechanisms driving and transmitting the movement of the first drop plates, a second drop plate slidably arranged on one side or both sides of the first drop plate, and a first hydraulic cylinder for transmitting the movement of the second drop plate; the side chain plate mechanism on the same side as the second drop plate is movably arranged on the frame, each of the first hydraulic cylinders is connected to a second hydraulic cylinder, and the second hydraulic cylinder is connected to the side chain plate mechanism. The second hydraulic cylinder of the present invention drives the first hydraulic cylinder, so that when the equipment produces sponges of different widths, the plurality of second drop plates and the side chain plate mechanism can move synchronously, ensuring that the size of the gap between the drop plate and the side chain plate remains unchanged when adjusting the production of sponges of different widths.

The utility model relates to the technical field of thickness gauges, in particular to a thickness gauge for preprocessing a base plate of a tube socket, which comprises a base and a measuring part, the measuring part consists of a supporting plate, a sleeve, a screw and a knob, and the supporting plate is fixedly connected with the base. The screw rod is provided with a scale vertical line and scales, when the reading of the measuring part is 0, the scale vertical line is aligned with the 50 (0) scale line of the sleeve, the length of the scales is 5cm, the thickness of a tube socket bottom plate with the thickness within 5cm can be measured, and the minimum scale is 0.5 mm. The screw pitch of the internal thread of the sleeve is 0.5 mm, the outer surface of the upper portion of the sleeve is equally divided into 50 grids, each grid represents 0.01 mm, the screw can move up and down by 0.5 mm when the screw rotates by one circle in the sleeve, when the screw rotates by less than one circle in the sleeve, the moving distance of the screw needs to be read from the sleeve, the estimated reading number is small, the error is small, and the reading is accurate.

The invention relates to a neural network specific misclassification repair method based on disturbance feature recovery, belongs to the technical field of misclassification repair, and solves the problems that in the prior art, the specific category distinguishing capability is insufficient, and the classification accuracy of an original model for misclassification repair is reduced. The method comprises the following specific steps: performing initial classification on a to-be-classified image data set by using a neural network model obtained by training an original image data set; screening out image sample data classified as a category P from the to-be-classified image data set as a doubt set; based on the doubt set and the trained feature mapping model, performing disturbance feature repair on the potential features extracted by the initial feature extractor; using the trained verifier to verify whether the repaired features correspond to a specific misclassification # imgabs0 #, if yes, repairing the image sample data misclassified as a category P in the suspected set, and obtaining a repaired classification result; according to the method, the accuracy of the original model is not greatly reduced, and meanwhile, the repair of specific misclassification is completed.

The invention relates to an accurate and rapid hydrogen-oxygen side pressure and liquid level adjusting system for hydrogen production equipment, which comprises a gas-liquid separator, a condenser and a gas flow adjusting module, and the gas flow adjusting module comprises a pressure gauge, a pneumatic valve, an adjusting valve, a stop valve and a gas flowmeter. And the pneumatic valve and the adjusting valve are used for adjusting the gas flow of the exhaust pipeline, so that the gas yield and the gas displacement of the hydrogen production equipment are kept in dynamic balance, and the internal pressure of the hydrogen production equipment is kept at a set value. According to the designed pressure liquid level adjusting system, the single adjusting valve and the multiple pneumatic valves are adopted for cooperative control, the pneumatic valves serve as the main adjusting valve and the auxiliary adjusting valve, gas flow is rapidly and roughly adjusted through the pneumatic valves, and then supplementing and precise adjusting are conducted through the adjusting valves. The flow regulating valve has the advantages that the requirements of upper and lower limits of flow on the specification size of the regulating valve are reduced, a smaller and higher-precision regulating valve can be adopted for regulation, and the regulation precision and the regulation speed are improved.

The utility model discloses an overturning type large-flow fire-fighting robot which comprises a robot body, an angle adjusting mechanism is installed on the robot body, a water spraying pipeline assembly is installed on the angle adjusting mechanism, and the angle adjusting mechanism can adjust the water spraying direction of the water spraying pipeline assembly at will. The angle adjusting mechanism is arranged on the machine body, the water spraying pipe is installed on the angle adjusting mechanism, and the vertical direction of the water spraying pipe is adjusted through stretching and retracting of an electric telescopic rod in the angle adjusting mechanism; the left-right direction of the water spraying pipe is adjusted through the driving assembly, so that adjustment of the water spraying pipe in any direction is completed, direction adjustment of the water spraying pipe is more convenient and faster, meanwhile, direction adjustment of the water spraying pipe is achieved without direction adjustment of the machine body, the adjustment amplitude is small, and a pipeline cannot be seriously bent.

The application relates to the field of light and shadow projection equipment, and discloses an automatic adjustment method for a projection area of a projector. Through the cooperation of a projection offset module and a projection zoom module, the projector can automatically correct the position and size of a projection image by using a start-up image during a start-up process, so that the projection image of the projector is clearer, the visual effect during watching is better, the adjustment process is automatic, personal participation is not needed, the use of the projector is more convenient, and the cooperation of a grid division module divides the projection image into regions, so that the position of an occlusion and the distance that needs to be adjusted by the projection image can be clearly known. Therefore, the adjustment process is more rapid and smooth, the trial and error times of the equipment are reduced, the projection image can be maximized in the case of avoiding occlusion, and the best visual effect is reserved.

The embodiment of the present application provides a kind of LED screen brightness adjusting method, device, system and electronic equipment.In the present embodiment, the screen brightness of LED screen is adjusted by target current gain and target Gamma value together, reduces the Gamma value adjustment range, reduces the situation that the contrast of screen is lost caused by the method of adjusting only Gamma maximum value to the brightness of LED screen, realizes the adjustment to screen brightness in the case where the contrast of screen is basically unchanged, improves screen display effect.