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67results about How to "Save adjustment time" patented technology

A method and system for cooperative optimization control of an environmental simulation air extraction device based on cooperative differential game

PendingCN122386746AAvoid Control Conflictsimprove security
The application provides an environment simulation air extraction device cooperative optimization control method and system based on cooperative differential game, comprising the following steps: step 1, a dynamic model of the air extraction device is established. Step 2, the air supplement valve and the plurality of inlet valves are regarded as game participants, and a pressure-pressure ratio multi-objective optimization model based on cooperative differential game is constructed. Step 3, an approximate dynamic programming algorithm-critical neural network is combined to obtain an approximate Pareto optimal solution of the established game optimization model. Step 4, a cooperative optimization controller is designed: the inlet valve adopts PI control combined with a filter and an optimization item to realize cooperative control of pressure and pressure ratio. Step 5, on a multi-compressor parallel simulation platform, various complex working conditions such as valve leakage and compressor failure are set to verify the robustness and superiority of the algorithm. After the application of the technical scheme, the speed, robustness and anti-interference ability of the system based on the cooperative differential game cooperative optimization control algorithm are significantly improved.
Owner:FUZHOU UNIV +1

Ground mat cutting device facilitating continuous production

The utility model relates to the technical field of ground mat production, in particular to a ground mat cutting device facilitating continuous production. According to the technical scheme, the cutting device comprises cutting discs, a cutting frame and a cutting motor, a cutting shaft is rotatably installed in the cutting frame, the outer surface of the cutting shaft is slidably sleeved with a plurality of sliding sleeves, the outer surface of each sliding sleeve is fixedly sleeved with a cutting disc and a rotating bearing, and the outer surface of each rotating bearing is fixedly connected with a guide sliding block through a connecting rod; a guide sliding groove is formed in the top of the inner wall of the cutting frame, the guide sliding block is located in the guide sliding groove, an electric cylinder is fixedly installed on the rear surface of the cutting frame through a fixing frame, and the output end of the electric cylinder is fixedly connected with a moving plate. According to the utility model, the distance between the equally-divided cutting discs can be conveniently adjusted so as to adapt to different equally-divided cutting requirements of different ground mats, the adjusting time of the cutting discs is saved, and the influence on normal production of the ground mats is effectively reduced, so that the continuous production of the ground mats is facilitated.
Owner:QINGDAO ZHONGXINGDA RUBBER PLASTIC

A train brake beam inspection device

ActiveCN224390942Usmooth rotationQuickly adapt to size differencesWork holdersBrakeControl theory
The utility model provides a train brake beam overhauling device relates to train brake beam overhauling technical field, including fixed frame, still include many range clamping subassembly, many range clamping subassembly include fixed frame of fixed connection in fixed frame, have piston on fixed frame and slide, have inner slide bar on piston and fixed connection through transmission link, have carousel on inner slide bar and slide, have bottom plate on carousel and slide, have inner slide bar on bottom plate and slide, have telescopic link on fixed frame and fixed communication, have vertical slide on telescopic link and fixed connection, have clamping link on vertical slide and fixed connection, the utility model discloses the adjustment effect of many directions, need not to disassemble component and can quick adaptation size difference of different vehicle model, different wear degree brake beam, compatible majority of active service vehicle model, the adjustment time is greatly shortened compared with traditional equipment, has solved the inconvenient problem of adjusting the range of holding of prior art in background art.
Owner:CRRC DALIAN CO LTD

A tension regulating device for the production of flame-retardant needle-punched fabric

This utility model relates to the technical field of tension adjustment devices, specifically a tension adjustment device for the production of flame-retardant needle-punched fabric. Its purpose is to solve the problem that existing tension rollers require height adjustment when guiding needle-punched fabrics of different specifications. However, the adjustment of the tension roller is cumbersome and time-consuming, achieved by raising and lowering screws on a bracket. Therefore, this new device improves the efficiency and effectiveness of the tension adjustment, thus enhancing its practicality. The device includes a tension roller, a rotating shaft, and fixed plates. The rotating shaft is fixedly mounted to the tension roller, and both sides of the rotating shaft are rotatably connected to corresponding fixed plates. The tension roller is guided and pressed by the flame-retardant needle-punched fabric. A pre-tightening mechanism is provided at the bottom of the two sets of fixed plates. The pre-tightening mechanism also includes a sliding block, a lifting plate, a limiting plate, and a spring. A groove is provided at the top of the lifting plate, and a working cavity is provided at the bottom of the groove.
Owner:CHANGZHOU ZHONGDA NON-WOVEN PROD CO LTD

Biochemical analyzer reaction disc intelligent temperature control system and control method

PendingCN121979332AHigh precisionstable temperature environmentTemperatue controlTemperature controlLoop control
The invention relates to an intelligent temperature control system and control method for a reaction disc of a biochemical analyzer, and the system comprises a temperature sensing unit which collects the real-time temperature distribution data of multiple regions of the reaction disc, and provides a precise data source for temperature control; the environment temperature sensor is used for monitoring the change of the environment temperature in the instrument, monitoring the change of the environment temperature in real time and providing environment parameters for anti-interference compensation; the thermal disturbance detection module is used for establishing a temperature disturbance model for reagent addition, providing a disturbance predicted value and improving the anti-interference capability; the adjusting control module is used for realizing double-closed-loop control logic, calculating a basic control quantity and a compensation control quantity and generating a total control instruction; the refrigerating and heating module responds to the control instruction and adjusts the temperature of the reaction disc through refrigerating / heating action; and the main control module is responsible for data overall planning, parameter management and control instruction issuing. The device has the beneficial effects that the temperature precision of the reaction disc is improved; the response speed is greatly improved; the anti-interference capability is obviously enhanced; and the temperature uniformity is obviously improved.
Owner:URIT MEDICAL ELECTRONICS CO LTD

Conveyor belt assembly and elevator

ActiveCN224361912UTension adjustment is easy to operateImprove tension adjustment efficiencyConveyors
The utility model relates to the technical field of elevator, especially transmission belt subassembly and elevator of a kind of. Transmission belt subassembly includes conveying frame, driving roller, driven roller, driving part, conveying belt, driving roller and driven roller are spaced apart in conveying frame along length direction, conveying belt is sleeved in driving roller and driven roller, driving part is drivingly connected with driving roller. Transmission belt subassembly further includes two adjusting assemblies, adjusting assembly includes skid platform and locking part, the skid platform of two adjusting assemblies is spaced apart in conveying frame along width direction, the both ends of driven roller shaft direction are rotatably arranged in corresponding skid platform, the position of skid platform is adjustable along length direction, locking part is configured to lock or unlock the relative position of skid platform and conveying frame. The elevator includes the above-mentioned transmission belt subassembly, the position of adjusting skid platform is along length direction, so that conveying belt keeps tension, locking part locks the relative position of skid platform in conveying frame, the quick adjustment of the tension state of conveying belt is realized, and the tension adjustment efficiency of conveying belt is improved.
Owner:CHINA TOBACCO GUANGXI IND

Visual positioning mechanism for laser cutting

The utility model discloses a laser cutting visual positioning mechanism, and belongs to the field of laser cutting machines. A laser cutting visual positioning mechanism comprises a fixing support, an industrial camera and a light supplementing lamp, the industrial camera and the light supplementing lamp are detachably installed on the fixing support, the light supplementing lamp is located at the lower end of the industrial camera, the laser cutting visual positioning mechanism further comprises a polarizer, the polarizer is installed on the fixing support, an adjusting piece is arranged on the fixing support, and when the adjusting piece works, the light supplementing lamp is located at the lower end of the industrial camera. The polarizer moves to the position below the industrial camera and rotates; according to the utility model, the position and the polarization angle of the polarizer are accurately adjusted and controlled through the adjusting piece, the adjusting time can be shortened, the imaging quality and the shooting efficiency of the industrial camera can be improved, and meanwhile, the height of the industrial camera is adjusted through the telescopic piece, so that the industrial camera is adaptive to shooting scenes with different sizes and patterns; therefore, the shooting precision of the industrial camera is improved.
Owner:武汉奇凯信息科技发展有限公司

A zero-adjustable linear variable differential transformer and an adjusting method thereof

PendingCN122599256AAchieve zero adjustment accuracyavoid complexity
The application belongs to the technical field of sensors, and discloses a linear variable differential transformer with adjustable zero and a method for adjusting the same. A coil frame of the transformer is movably sleeved on an inner tube frame, and a cylindrical shell is arranged outside the coil frame. Left and right end covers are respectively arranged at two ends of the cylindrical shell. An assembly composed of an iron core and a connecting rod is arranged inside the inner tube frame. The right end cover is rotatable relative to the cylindrical shell, and rotation of the right end cover can drive the coil frame to move axially on the inner tube frame. Through design of a differential screw mechanism, displacement reduction effect generated by threads with different pitches and same rotation directions is utilized to achieve micron-level or even sub-micron-level zero adjustment precision, which is 500 to 1000 times higher than millimeter-level adjustment precision of the prior art. A pure mechanical adjustment mechanism is adopted, and no additional electronic components are needed, so that circuit complexity and potential failure points introduced by electronic zero adjustment methods are avoided, and system reliability is significantly improved.
Owner:JINCHENG NANJING ELECTROMECHANICAL HYDRAULIC PRESSURE ENG RES CENT AVIATION IND OF CHINA

Three-station isolating switch capable of intelligently adjusting grounding and closing synchronization

The utility model relates to a three-station isolating switch capable of intelligently adjusting grounding and closing synchronization, which comprises a three-station isolating switch and a controller, the three-station isolating switch is provided with a grounding beam, the grounding beam is respectively provided with a group of lifting type grounding contact assemblies corresponding to three-station isolating knife switches, each lifting type grounding contact assembly comprises an insulating fixed support, and the insulating fixed support is provided with a plurality of lifting type grounding contact assemblies. Lifting driving mechanisms are installed at the bottom of the insulating fixing support, the top output ends of the lifting driving mechanisms are connected with insulating parts, the tops of the insulating parts are connected with supporting shafts, grounding contacts are installed at the top ends of the supporting shafts, and all the lifting driving mechanisms are in signal connection with the controller. Displacement sensors are arranged on the rack of the three-position isolating switch corresponding to each group of lifting type grounding contact assemblies, the displacement sensors are used for detecting the height of the corresponding contacts, and all the displacement sensors are in signal connection with the controller; according to the utility model, the adjusting efficiency and precision are obviously improved, rapid and accurate adjustment of grounding closing synchronization is realized, the adjusting time is shortened, and the working efficiency is improved.
Owner:HUBEI WANGAN TECH

A surgical robotic arm

The application belongs to the technical field of medical devices and relates to a surgical mechanical arm. The surgical mechanical arm comprises a base, the base comprising a mounting seat and a clamping device and a locking device both arranged on the mounting seat; the clamping device comprising a first handle, a second handle, a first clamping assembly and a second clamping assembly, the first handle being used to drive the first clamping assembly to clamp or release both ends of a surgical bed in a first direction, and the second handle being used to drive the second clamping assembly to clamp or release both ends of the surgical bed in a second direction; when the first clamping assembly and the second clamping assembly clamp the surgical bed respectively, the first handle abuts against the second handle, and the locking device locks the first handle to limit the movement of the second handle. The application can quickly adapt to surgical beds of different sizes, effectively reduce the adjustment time, improve the surgical efficiency and has high reliability.
Owner:SHENZHEN INST OF ADVANCED BIOMEDICAL ROBOT CO LTD

Adjustable torque gun with torque adjusting device

ActiveCN224209848UEliminate clearance errorssave adjustment timeSpannersWrenchesGear wheelControl engineering
The utility model belongs to the technical field of torque gun processing and production, and discloses an adjustable torque gun with a torque adjusting device, which comprises a gun body, and a driving motor is arranged in the gun body; the transmission gear set is arranged in the gun body and connected with an output shaft of the driving motor; the torque adjusting device is installed on the periphery of the gun body, and the position of the torque adjusting device corresponds to the position of the transmission gear set; an adjusting tooth profile matched with the tooth profile of a main gear of the transmission gear set is formed on the inner surface of the transmission gear set; the torque adjusting device is rotated to adjust the tooth shape to drive the main gear of the transmission gear set to rotate, and the torque of the torque gun is changed. The external torque adjusting device is additionally arranged, so that the torque can be accurately adjusted without a dismounting tool.
Owner:NINGBO TOWIN CLAMP CO LTD

Automatic adjusting support for asynchronous and eccentric construction of segmental beam and using method

The invention belongs to the technical field of bridge construction equipment, and particularly provides an automatic adjusting support for asynchronous eccentric construction of a segmental girder and a using method.The TY composite pier comprises a Y-shaped cover beam and a T-shaped pier body, the Y-shaped cover beam is connected to the T-shaped pier body, and the segmental girder is installed on the left portion of the upper face of the Y-shaped cover beam; an automatic adjusting bracket is connected between the Y-shaped bent cap and the T-shaped pier body at the position of the segmental beam; the problems that in the asynchronous eccentric construction process of an existing segmental beam, a traditional support is difficult to adjust accurately to adapt to stress requirements of different segments, linear control of a pier in the construction process is difficult, deviation is prone to occurring, and the overall quality and appearance of a bridge are affected are solved. The pressure borne by the pier body of the pier is kept balanced, eccentricity is avoided, and the construction line shape and quality of the segmental beam are effectively guaranteed.
Owner:CHINA COMM SECOND PUBLIC OFFICE EAST CHINA CONSTR CO LTD +1

Eccentric adjusting device of continuous rolling speed reducer for coiling machine

ActiveCN224201075Ueasy meshGuaranteed uptimeGearboxesGearing detailsEccentric annulusControl engineering
The utility model relates to an eccentric adjusting device of a continuous rolling speed reducer for a coiling machine. The eccentric adjusting device effectively solves the problems that according to an existing speed reducer adjusting mode, shutdown disassembly is needed, adjusting precision is not high, non-shutdown disassembly-free adjustment is not convenient, and efficiency is affected. According to the eccentric adjusting device of the continuous rolling speed reducer for the coiling machine, through the arrangement of the eccentric ring structure and the adjusting mechanism, the adjusting mechanism can be directly rotated by means of an external tool, so that the eccentric ring structure can be driven to rotate, an internal structure is eccentrically adjusted, disassembly-free adjustment is achieved, the adjusting time is greatly shortened, and the adjusting efficiency is improved. The eccentric ring structure can be driven by the adjusting mechanism to finely adjust the speed reducer structure, the adjusting precision is improved, the meshing effect of the speed reducer is better, the eccentric ring structure can be dynamically adjusted under the condition that the operation of the speed reducer is not affected, the part with the meshing precision attenuated can be adjusted and compensated in time, and the service life of the speed reducer is prolonged. Normal continuous operation of a production line is guaranteed, and production efficiency is improved.
Owner:LUOYANG YONGJI HEAVY DUTY GEAR CO LTD

New energy unit transient stability optimization method and system based on active feed-forward

The invention provides a new energy unit transient stability optimization method and system based on active feed-forward, and belongs to the field of new energy power generation. The system includes a current command generator and a current controller. The method comprises the steps of collecting terminal voltage and current of a unit, calculating active power and detecting a transient fault; when a fault is detected, generating an active current instruction through active feed-forward control based on power grid voltage information obtained by an active power signal, a fault voltage amplitude signal and phase locking; meanwhile, a reactive current instruction is generated; a current reference instruction is synthesized, and a converter is driven through closed-loop control to provide power support. According to the method, an active feed-forward mechanism is introduced, so that the new energy unit can respond to the power shortage of the power grid in advance, active and reactive support is quickly provided, frequency drop and power oscillation in the transient process are effectively inhibited, and the transient stability of the power system under the access of high-proportion new energy is remarkably improved.
Owner:STATE GRID HUBEI ELECTRIC POWER RES INST +1

A machining table with multi-angle adjustment function for machine tools and a method of using the same

The application discloses a machining table with multi-angle adjusting function for a machine tool and a use method thereof, and particularly relates to the technical field of machine tools. The machining table is characterized in that the cooperation between the pressure control structure, the first half-thread sleeve, the second half-thread sleeve, the second screw rod and the first screw rod can realize the operation of switching the first half-thread sleeve and the second half-thread sleeve for alternate use. When long-distance adjustment is needed, the second screw rod and the second half-thread sleeve can be cooperated to quickly adjust the machining table due to the sparse threads on the outer side of the second screw rod. The first screw rod can be used to complete short-distance precise adjustment due to the close threads. The use state of the first half-thread sleeve and the second half-thread sleeve can be switched to quickly and finely adjust the machining table, thereby effectively saving the adjustment time, and the machining table is simple and convenient to operate, and has good application value.
Owner:QUZHOU UNIV

An industrial AI closed-loop adaptive monitoring control system

PendingCN122592785AProcess state prediction error reducedHealth score accuracy improved
The application relates to the technical field of monitoring control systems, and provides an industrial AI closed-loop self-adaptive monitoring control system, which comprises a data acquisition module, a data preprocessing module and a feature extraction module; the data acquisition module comprises a multi-source sensor unit and is used for collecting state parameters of an industrial process in real time; the data preprocessing module comprises an abnormal value detection and processing unit and a data normalization unit and is used for cleaning and standardizing the state parameters; the feature extraction module comprises a time domain feature extraction unit, a frequency domain feature extraction unit and a time sequence feature fusion unit based on an attention mechanism and is used for generating a multi-dimensional fusion feature vector from the standardized data. Through multi-source data processing, time-frequency feature fusion and mixed neural network modeling, the industrial process monitoring precision and health evaluation reliability are improved; PID parameter self-adaptive optimization is realized in combination with reinforcement learning, safety protection and online updating are matched, the closed-loop control performance is significantly improved, complex working conditions are adapted, and the stable and efficient operation of the industry is ensured.
Owner:DEZHOU VOCATIONAL COLLEGE OF SCI & TECH

Wearable lower limb exoskeleton robot with adjustable hip joint

The invention discloses a wearable lower limb exoskeleton robot with an adjustable hip joint, and belongs to the technical field of exoskeleton robots. The wearable lower limb exoskeleton robot comprises a hip joint adjusting device and two lower limb exoskeleton mechanisms; the hip joint adjusting device comprises a hip cross beam, a first synchronous adjusting device, two second synchronous adjusting devices and two gravity center floating devices. The first synchronous adjusting device is mounted on the hip cross beam; the two second synchronous adjusting devices are respectively arranged on the first synchronous adjusting device; the two gravity center floating devices are installed on the two second synchronous adjusting devices in a one-to-one correspondence mode. The two lower limb exoskeleton mechanisms are installed on the two gravity center floating devices in a one-to-one correspondence mode. Left-right and front-back stepless adjustment on the sagittal plane is achieved, up-down floating can be achieved according to gravity center changes of a human body during rehabilitation training or auxiliary walking, the wearing requirements of the hips of different patients can be met, the motion posture of the device is close to the walking gait of a normal person, and the use experience degree and the rehabilitation training degree of the patients can be improved.
Owner:BEIBU GULF UNIV +1

Rapid detection device for installation height of tensioning wheel

The utility model discloses a tensioning wheel installation height rapid detection device comprising a pedestal, the left side of the top of the pedestal is provided with an upright column, the upper end of the right side of the upright column is provided with a cross beam, the front surface of the upright column is fixedly provided with a graduated scale, and a supporting platform is fixedly installed below the cross beam and located at the top of the pedestal. The right end of the cross beam is fixedly provided with a fixed seat, the left side of the lower end of the fixed seat is provided with a detection rod, and the left end of the bottom of the detection rod is provided with a detection head. According to the utility model, the pedestal, the column, the crossbeam and the detection head are arranged, the installation height of the tensioning wheel can be rapidly and accurately detected, the detection efficiency and precision are improved, the slide block and the locking knob are arranged, the height position of the detection head can be adjusted according to different detection requirements, the applicability of the device is improved, and the two clamping plates are arranged, so that the detection precision is improved. The tensioning wheel to be detected can be accurately positioned, and the accuracy of a detection result is ensured.
Owner:SHANGHAI BEIXU AUTOMOBILE TECH CO LTD

A high-precision anti-interference control method for a UAV holder under transient impact load

PendingCN122131828AEnsure posture stabilityStrong anti-interference abilityControl using feedbackInner loopClassical mechanics
This invention provides a high-precision anti-disturbance control method for UAV gimbals under transient impact loads, belonging to the field of precision servo control technology. It employs a cascade control architecture: the outer loop uses model predictive control (MPC) and introduces control increment constraints to plan an overshoot-free velocity trajectory; the inner loop uses linear active disturbance rejection control (LADRC) and establishes an extended state observer to estimate and compensate for the total disturbance of multi-stage transient impacts in real time. This invention, using the aforementioned high-precision anti-disturbance control method for UAV gimbals under transient impact loads, reduces the settling time to 0.18 s and lowers the maximum dynamic position error during firing to 0.0005 rad, achieving precise steady-state maintenance under high-impact environments.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1

Laser radar adjusting device and system

The utility model relates to a laser radar adjusting device and system. The laser radar adjusting device comprises a motion unit, a positioning unit, an adjusting unit, a reflection unit, a presentation unit and an image acquisition unit. The device has the advantages that the adjusting unit is used for replacing manual adjustment, the cleanliness of the adjusting environment and the strength of adjusting products are guaranteed, and the product yield is increased; the image acquisition unit is used for replacing manual work to acquire broadcast and television information, human eye damage and product adjustment misjudgment caused by long time are prevented, the acquisition efficiency is improved, and the misjudgment rate is reduced; the adjusting unit is matched with the image acquisition unit, so that the adjusting time is shortened, the adjusting efficiency is improved, and the production cost is reduced.
Owner:SHANGHAI YUANFEI INTELLIGENT TECH CO LTD

Bending device

ActiveCN224181940Usave adjustment timeReduce bending deformationStructural engineeringMechanical engineering
The utility model discloses a bending device which comprises a fixed seat, a rotating seat is rotatably connected to the fixed seat, a rotating clamping assembly is connected to the rotating seat, a follow-up pressing assembly capable of abutting against a product is arranged on the fixed seat, and a follow-up driving unit is connected to the fixed seat. The follow-up pressing assembly is connected to the fixing base in a sliding mode, the follow-up pressing assembly is connected with the follow-up driving unit, and the extension direction of the follow-up pressing assembly on the fixing base is the extension direction of a product on the fixing base. According to the bending device provided by the utility model, clamping follow-up is adopted, so that the bending deformation is reduced, the problems of serious bending deformation, instability and uncontrollability of a product are solved, the deformation can be reduced, the tool adjusting time can be shortened, and the production efficiency can be improved.
Owner:NINGBO YUMIN MASCH IND CO LTD

Temperature control method for agricultural production greenhouse

The invention belongs to the technical field of intelligent control, and particularly relates to a temperature control method for an agricultural production greenhouse. According to the method, the actual temperature of a greenhouse is collected, and a target temperature and a deviation threshold value are preset in the crop growth stage; an improved PID controller is constructed, and adaptive nonlinear proportional gain, a variable-speed integration strategy and a differential noise suppression and trend prediction mechanism are adopted to improve control suitability and anti-interference capability; through improving a cattle herd optimization algorithm, controller parameters are optimized through dynamic grouping, adaptive step length and a variation mechanism, and an optimal combination is quickly locked; and finally, real-time adaptive adjustment of the greenhouse temperature is realized, and a control result is ensured to be stabilized within a preset deviation threshold value. According to the method, the problems of fixed parameters, adjustment lag, large steady-state error and the like of an existing method are solved, and the precision, reliability and refinement level of temperature control in the agricultural production greenhouse are improved.
Owner:SHANDONG XINFENG SEED IND CO LTD

Carbon dioxide environment simulation test device

ActiveCN224594437URealize free-hand operationsave adjustment timeEnvironmental engineeringTest chamber
This utility model discloses a carbon dioxide environmental simulation test device, including a carbon dioxide environmental simulation test chamber, a test cavity opened inside the carbon dioxide environmental simulation test chamber, a door that is hinged and rotated on the front surface of the carbon dioxide environmental simulation test chamber, and multiple placement trays disposed inside the test cavity. Two vertical guide rails are fixed to the inner walls on both sides of the test cavity; and a plug-in quick-release structure is disposed between the placement trays and the vertical guide rails. This carbon dioxide environmental simulation test device, by setting vertical guide rails between the placement trays and the cavity walls and using a plug-in quick-release structure, allows subsequent operators to quickly and adaptively adjust the height of the placement trays according to the specifications of the actual sample blocks. Furthermore, the adjustment does not require tools; the height adjustment of the placement trays can be quickly completed through a simple plugging and unplugging action, thus improving the efficiency of the equipment.
Owner:GUANGDONG HUANRUI TESTING EQUIP CO LTD

Isolated conductor surface potential active disturbance rejection control method based on rbf neural network and info optimization algorithm

PendingCN122592844AImprove observation accuracyImprove response speed
This invention relates to an active disturbance rejection control method for the surface potential of an isolated conductor based on an RBF neural network and the INFO optimization algorithm, belonging to the field of charge control technology for space inertial sensors. The invention addresses the problems of insufficient accuracy in estimating the fixed gain of the extended state observer and the difficulty in tuning the parameters of the nonlinear feedback control law in existing active disturbance rejection control methods. The method includes: establishing a dynamic model of the isolated conductor charge management system; constructing a dual-error-constrained extended state observer; adaptively adjusting the observer gain using an RBF neural network to observe the potential and total disturbance; constructing a differential tracker to obtain the expected potential and its derivative; designing a nonlinear state error feedback control law; using the INFO algorithm for global optimization to obtain the optimal control parameters; and constructing a composite controller to output feedback control quantities. This invention achieves adaptive adjustment of the observer gain and automatic optimization of the controller parameters, making it suitable for space gravitational wave detection.
Owner:NORTHEAST FORESTRY UNIV

A rotary crane

This utility model relates to a rotary crane, comprising: a support assembly and a pair of anchoring assemblies. The support assembly includes a crossbeam rail and a movable frame. The movable frame is suspended on both sides of the crossbeam rail and is rotatably connected to the crossbeam rail. An electric hoist is mounted on the movable frame. The pair of anchoring assemblies are symmetrically arranged on both sides of the crossbeam rail. Each anchoring assembly includes a fixed frame, an electric push rod, and a push plate. The fixed frame is connected to the movable frame. The fixed end of the electric push rod is connected to the fixed frame, and the telescopic end of the electric push rod is connected to the push plate. The electric push rod drives the push plate to abut against the crossbeam rail. This utility model enables the electric hoist to stop at any position and perform clamping action in a non-working state without needing to move to a designated anchoring position, saving adjustment time and improving the overall working efficiency of the machine.
Owner:NOVOCRANE SUZHOU

A hydraulic tilting mechanism for automatic circumferential welding of seams

This invention discloses an automatic welding device for the circumferential seam of a hydraulic cylinder with a tilting mechanism, which relates to the field of welding technology. Through the combined action of a burr removal component and multiple contour-following support components, the outer contour of the cylinder section can be simulated and contoured before forming support. This allows the tops of the burr removal component and some of the contour-following support components to form a contour shape that matches the cylinder section, creating a ring-shaped enclosure of the lower part of the cylinder section and providing stable support. When the support components form support for the bottom of the cylinder section, they work with the multiple contour-following support components on both sides to form simulated support for the cylinder section. Furthermore, while supporting the cylinder section, a high-speed rotating grinding wheel can grind the welded circumferential seam, removing metal burrs and weld slag generated during welding, avoiding stress concentration at the tips, and ensuring the connection strength of the weld.
Owner:YANGZHOU POLYTECHNIC COLLEGE

Brake drum inner support machining device

ActiveCN224182587Uuniform inner supportInternal support is stablePositioning apparatusGrinding work supportsBrakeControl engineering
The utility model relates to the technical field of machining, in particular to a brake drum inner support machining device. According to the technical scheme, a threaded vertical rod is included, the outer ring of the threaded vertical rod is sleeved with a positioning assembly, the positioning assembly comprises a column sleeve arranged on the outer ring of the threaded vertical rod in a sleeving mode, an inner supporting assembly is arranged at the position, located on the outer ring of the threaded vertical rod, between multiple sets of connecting rods and comprises a fixing sleeve, and an adjusting sleeve is arranged below the fixing sleeve. The brake drum machining device can adapt to machining of brake drums of different specifications through mutual matching of the threaded vertical rod, the positioning assembly and the inner supporting assembly, diversified production requirements are met, the equipment purchase cost of enterprises is reduced, operation is easy and convenient through a threaded adjusting mode of the threaded vertical rod and the adjusting sleeve, the adjusting time is greatly shortened, and the production efficiency is improved. According to the inner supporting device, the machining efficiency is improved, the brake drum is evenly and stably supported, the brake drum is effectively prevented from deviating and vibrating in the machining process, and the machining precision is improved.
Owner:LONGGONG (FUJIAN) CASTING & FORGING CO LTD

A multi-station turntable mechanism for servo automatic adjustment of length, width and height of a paper box bin

ActiveCN117657545Bautomatic height adjustmentAutomatically adjust widthPackagingIndustrial engineeringServo
The present application relates to a kind of servo automatic adjusting paper box warehouse length-width-height multi-station turntable mechanism, including rotary drive mechanism for driving the rotation of turntable mechanism body, and the turntable mechanism body includes upper turntable mechanism and lower turntable mechanism, the edge of upper turntable mechanism is equipped with multiple upper box warehouse along the circumferential direction, the edge of lower turntable mechanism is equipped with multiple lower box warehouse corresponding to upper box warehouse along the circumferential direction, and upper box warehouse and corresponding lower box warehouse jointly constitute a complete paper box warehouse, the depth of upper box warehouse, the depth of lower box warehouse is adjusted by upper turntable box height adjusting mechanism, lower turntable box height adjusting mechanism respectively, the opening width of upper box warehouse and lower box warehouse is adjusted by a upper and lower turntable box width adjusting mechanism, and the distance between upper box warehouse and lower box warehouse is adjusted by a box warehouse length adjusting mechanism;The present application can automatically complete paper box warehouse length-width-height size adjustment, reduce labor cost, improve production efficiency.
Owner:NANTONG UNIVERSAL MACHINERY