18results about How to "Avoid over-regulation" patented technology

The application relates to a full-process intelligent control method and system of a glass bead production line, and belongs to the technical field of control systems, which comprises the following steps: collecting multi-source heterogeneous sensing data, and performing preprocessing and time synchronization through an edge computing node; constructing a dynamic simulation system of the whole process of glass bead production based on a digital twin model; combining a digital twin model with a reinforcement learning agent mode to output deviations between preset quality targets, and adaptively generating a multi-actuator collaborative control strategy; evaluating indexes of generated glass beads online, and feeding back evaluation results to the reinforcement learning agent mode to realize closed-loop optimization of the control strategy; when abnormal working conditions or quality drift are detected, automatically triggering a fault tracing module based on causal reasoning, locating a disturbance source, and generating a process parameter compensation scheme, so that the whole process can maintain stable operation with high yield without human intervention; the application has the beneficial effect of improving intelligent management and control of glass bead production.

The invention relates to the technical field of semitrailers, in particular to a new energy driven particle powder material transportation semitrailer which comprises a data acquisition system, a data analysis system, a control system and a correction system. The data acquisition system acquires a parameter set and road condition information; the data analysis system judges a dominant abnormal state based on the pressure gradient and the electrification rate, and judges a recessive abnormal state based on the response amplitude; the control system adjusts torque distribution of a driving shaft or suspension damping based on the cooperation coefficient during dominant abnormity, and adjusts the suspension height and / or in-tank auxiliary vibration frequency based on the response damping ratio during implicit abnormity; and the correction system calculates the comprehensive change rate after the primary adjustment, and dynamically adjusts the preset comprehensive change rate in combination with the road condition information to judge whether the secondary adjustment is performed or not. According to the method, explicit and implicit abnormity accurate identification and secondary adjustment optimization in the particle powder material transportation process are achieved, and the transportation safety and the material fluidity are effectively improved.

The application relates to the technical field of heat pump systems, and discloses a heat pump air conditioning system which comprises a water module and a processing module. The processing module is configured to perform the following steps: obtaining the proportion of the current opened heat radiation indoor terminal in the total number of heat radiation indoor terminals, and taking the proportion as the current heating demand load rate; configuring the heat pump air conditioning system to enter an overall coordination mode or a local abnormality processing mode based on the current heating demand load rate; in the overall coordination mode, allowing first-intensity water supply temperature compensation to be performed on the basis of the water module reference water supply temperature according to terminal temperature difference feedback; in the local abnormality processing mode, limiting the water supply temperature compensation so that the water supply temperature compensation does not exceed a preset second intensity, and the second intensity is smaller than the first intensity; wherein the current heating demand load rate in the overall coordination mode is higher than the current heating demand load rate in the local abnormality processing mode. The application can realize hierarchical response and prevent global energy efficiency from being deteriorated due to local abnormality.

The utility model discloses a wire clamping air cylinder opening and closing fine adjustment mechanism, relates to the technical field of mechanical automation equipment, and aims to solve the technical problems that the wire clamping effect of a wire clamping air cylinder is unstable and the working efficiency and the product quality are influenced due to the fact that the fine adjustment size of a current jackscrew is too large and is difficult to realize accurately. A limiting seat is fixedly mounted at the top of the base, a mounting plate is fixedly arranged between the inner walls of the base, a supporting piece close to the mounting plate is fixedly arranged on the side edge of the side, adjacent to the limiting seat, of the base, and a rotating shaft is fixedly mounted between the mounting plate and the supporting piece; two adjusting pieces capable of rotating to adjust the gap are installed on the shaft wall of the rotating shaft in an attached mode, and an accurate fine adjustment system is formed through ingenious matching of the rotating shaft, the adjusting pieces, the scissor opening and closing device and the adjusting nut. When the adjusting nut is rotated, the scissors opening and closing device moves up and down to adjust the angle between the two ends, and the device has the advantages of high opening angle fine adjustment precision and improved wire clamping stability.

The invention relates to the technical field of machine learning, in particular to a time series data analysis system and method based on deep learning, and the system comprises an input preprocessing module which is used for carrying out the standardization processing and segmentation processing of input time series data; the sliding window recurrent neural network module is used for processing the input time sequence data in each sliding window of eight thousand time steps to generate a short-term time sequence feature vector; the dynamic updating recurrent neural network module is used for processing long-term time sequence data; the meta-learning optimization module is used for dynamically updating initialization parameters of the recurrent neural network module through outer loop optimization; and the output fusion module is used for fusing the feature vectors and generating a final time sequence analysis result. According to the method, a weight updating mechanism which only updates the last quarter layer of the recurrent neural network is innovatively designed, the calculation complexity is remarkably reduced, and the contradiction between the calculation efficiency and the model adaptability in long-sequence time sequence analysis is effectively solved while high precision is kept.

The utility model provides a half-hoop batch drilling tool, which relates to the technical field of aviation machining and comprises a drill bit component and a half-hoop positioning component. The drill bit assembly is meshed with six driven gears through a driving gear to drive a driven shaft to rotate synchronously, and a drill bit is driven to complete multi-hole machining at a time. According to the semi-clamp positioning assembly, a hexagonal groove is adopted to be matched with the shape of a semi-clamp, radial positioning and axial pressing of a workpiece are achieved in combination with a clamp limiting plate and a pressing bolt, and the consistency of the hole pitch is guaranteed. The rigidity of the drill bit assembly is enhanced through a double-layer fixing disc and a lengthening rod fixing frame, and vibration is reduced. By means of gear synchronous transmission, accurate positioning and a stable supporting structure, synchronous and efficient machining of six holes of the semi-hoop is achieved, the hole position accuracy meets the strict requirement of an aero-engine pipeline system, and the semi-hoop machining device is suitable for batch production of similar hoops.

This invention relates to the field of rhinitis ointment formulation and discloses a method for controlling the operation of process parameters in the formulation process. First, an initial demulsification risk temperature difference threshold is calculated based on the HLB value of the emulsifier and the difference between the relative heat capacity of oil and water. Then, the actual temperatures of the oil and water phases are collected in real time, and the real-time temperature difference and its rate of change are calculated. The current temperature difference curve is matched with the temperature difference characteristic curves of historical demulsification batches, and the risk judgment conditions are dynamically adjusted based on the matching degree and the rate of change. When a demulsification risk is determined, a temperature compensation value is calculated based on the difference between the real-time temperature difference and the current batch risk threshold, and the rate of change. The heating actuator is driven until the real-time temperature difference is less than or equal to the current batch risk threshold. The above steps are continuously executed during the constant temperature waiting phase. This invention achieves adaptive identification of demulsification risk through shape matching and dynamic threshold adjustment, and combines temperature compensation with the rate of change to reduce the probability of demulsification before emulsification.

The application discloses a kind of based on raw material information feedback's weighing target value regulation and control system, specifically related to industrial automatic control technical field, raw material characteristic identification module exports characteristic feature group, its internal pre-set correlation screening model is according to feedback screening high correlation feature, constructs change matrix and generates dynamic compensation coefficient, and optimizes characteristic feature group output.Target value determination module determines weighing target value accordingly.After real-time weighing, deviation calculation module calculates the deviation of actual weighing and target value.Regulation and control execution module adjusts feeding equipment according to deviation, and uses dynamic compensation coefficient to correct adjustment amount, so that actual weighing approaches target value;The application constructs change matrix and generates dynamic compensation coefficient by screening high correlation feature, improves compensation pertinence;Regulation and control result is fed back to optimize characteristic identification, realizes self-learning closed loop;Dynamic compensation coefficient is used to correct adjustment amount, so that feeding equipment is self-adapting adjustment, significantly improves weighing precision, dynamic stability and repeatability.

The utility model relates to the field of lifting sliding tables, and discloses a lifting sliding table horizontal adjusting assembly which comprises a supporting frame, a motor is arranged on the upper portion of the supporting frame, an output shaft of the motor is fixedly connected with a lead screw, the outer side of the lead screw is connected with a sliding table in a penetrating and threaded mode, and a workbench is fixedly installed on the outer side of the sliding table through a supporting assembly. An adjusting assembly is arranged on the lower portion of the workbench. The adjusting assembly comprises a fixing cylinder fixedly connected to the lower portion of the workbench, and the lower portion of the fixing cylinder is fixedly connected with a damping nut. According to the horizontal adjusting device, through the use of the adjusting assembly, the screw can be driven to rotate in the fixing cylinder and the damping nut by rotating the operating cylinder, then the height of one side of the workbench is finely adjusted to achieve horizontal adjustment, the damping nut increases resistance during adjustment and prevents excessive adjustment, and an operator can operate more accurately and stably in cooperation with an anti-skid groove of the operating cylinder; and the influence on the production efficiency is reduced.

The invention relates to an intelligent pressure bra and a control method thereof. Comprising a bra main body, a pressure sensing module, a posture sensing module, a pressure adjusting module and a central control module, the pressure sensing module, the posture sensing module and the pressure adjusting module are fixedly connected to the bra main body; the pressure sensing module is used for collecting original chest pressure signals of a patient; the posture sensing module is used for collecting an original posture signal of a patient; the pressure adjusting module and the pressure sensing module are correspondingly arranged; the central control module is connected with the pressure sensing module, the posture sensing module and the pressure adjusting module and used for processing data, communicating with remote terminal equipment and controlling the pressure adjusting module. Compared with the prior art, the method has the advantages that real-time closed-loop adjustment is realized; the compression strategy is dynamically optimized in combination with the posture of the patient, and the safety and accuracy of postoperative rehabilitation are improved.

The utility model discloses a kind of double-color plastic product secondary forming injection mould, belong to injection mould technical field, including injection mould and fixed pipeline, the upper surface of injection mould is fixedly connected with upper top cover, and pouring opening is arranged in upper top cover inside, and upper top cover upper surface is fixedly connected with connecting column close to the one end of pouring opening, while connecting column inner wall is fixedly connected with positioning column;The positioning column is symmetrically distributed about the center of the connecting column, the lower end of the fixed pipeline outside is fixedly connected with sealing ring, and fixed pipeline is slidably arranged in the connecting column inside.The double-color plastic product secondary forming injection mould, by the spacer plate and the shaft set, not only can ensure the color of product appearance clear and pure, but also can prevent unused plastic into mold cavity, avoid two color plastics mutual mixing, ensure that each plastic plays its expected performance in respective injection molding process, prolong the overall service life of mould.

The utility model relates to a hemming tool technical field, disclose a kind of hemming tool for clothing making, including hemming device, the outer wall right side of hemming device is equipped with multiple adjusting grooves, the inner wall sliding connection of adjusting groove has regulator, the top of regulator is fixedly connected with stabilizing sheet, the left side top of hemming device is fixedly connected with fixed block, the left side of stabilizing sheet is fixedly connected with slide, the left side of slide is fixedly connected with anti -drop block, the top of fixed block is threadedly connected with knob, the bottom of knob is fixedly connected with tablet.The utility model among them, regulator can slide left and right, realize the hemming operation of different distance, stabilizing sheet ensures sliding stability, and slide and fixed block are connected, realize sliding adjustment, after knob rotation, tablet extrusion slide locking position, anti -drop block prevents overadjustment, simple structure, flexible adjustment size, improve convenience and stability, satisfy use requirement.

The application provides an embroidery machine upper and lower shaft parallel zero finding control method and system in the technical field of embroidery machine control, and the method comprises the following steps: step S1, calibrating the upper zero position of the upper shaft motor and storing it; step S2, when the embroidery machine is started or receives a zero finding instruction, triggering a parallel zero finding process; step S3, controlling the jump motor to perform an action, and retracting the needle of the upper head to a jump-off position; step S4, synchronously performing the upper and lower shaft zero finding steps; the upper shaft zero finding step comprises the following steps: reading the upper zero position, writing the upper zero position back to the upper servo driver, and controlling the upper shaft motor to run to the upper zero position; the lower shaft zero finding step comprises the following steps: controlling the lower shaft motor to run to the lower zero position through the lower servo driver; step S5, obtaining the reading of the lower shaft encoder when the lower shaft is zero finding, and judging whether the actual position of the lower shaft reaches the standard or not; if not, position compensation is performed. The application has the advantages that the zero finding efficiency and system stability are greatly improved, and the hardware cost is reduced.

The application relates to the technical field of radio frequency microwave transmission lines, in particular to a radio frequency coaxial cable with high temperature phase stability and low loss and a preparation method thereof, which comprises an inner conductor, a dielectric body, an outer conductor, an intermediate body, an outer shielding body and a sheath; the cross section of the dielectric body is in lotus core structure, the lotus core structure comprises an inner conductor wrapping layer, an outer conductor supporting layer concentrically arranged outside the inner conductor wrapping layer, and a plurality of reinforcing ribs are arranged at equal angles along the center of the inner conductor wrapping layer and the outer conductor supporting layer; and the reinforcing ribs, the inner conductor wrapping layer and the outer conductor supporting layer form fan-shaped through holes therebetween. The application solves the problem that the phase stability, transmission loss and mechanical phase of the radio frequency cable in the prior art cannot be considered simultaneously.

This invention discloses a closed-loop adjustment device for a coating die head, comprising: a support, a horizontal motion module, a vertical motion module, a rotating module, a control system, and a sensing element. After the position of the flow adjustment mechanism to be adjusted is determined, the control system controls the horizontal motion module to move to the corresponding position. When the horizontal motion module corresponds to the position of the flow adjustment mechanism, the sensing element on the rotating module measures the distance parameter between the flow adjustment mechanism and the rotating module, and feeds this distance parameter back to the control system. This, in turn, controls the vertical pad to slide relative to the sliding end in the vertical direction, causing the rotating module to move up and down. This connects the rotating clamp of the rotating module with the flow adjustment mechanism, causing the flow adjustment mechanism to rotate quantitatively, thereby achieving the purpose of flow adjustment. This device provides precise positioning and adjustment, avoids over-adjustment, achieves precise adjustment control, and improves coating quality.

The invention discloses a rocker arm, a valve mechanism and an engine. The rocker arm comprises a rocker arm body, a brake part, a hydraulic gap adjusting device and a control slide valve. A first hydraulic channel, a second hydraulic channel and a mounting cavity are defined by the rocker arm body, and the first hydraulic channel and the second hydraulic channel both communicate with the mounting cavity. The brake component is movably arranged on the rocker arm main body and is connected with the first hydraulic channel; the hydraulic gap adjusting device is arranged on the rocker arm body and connected with the second hydraulic channel. The control slide valve is movably arranged in the mounting cavity and is provided with a first position and a second position relative to the mounting cavity, the control slide valve at the first position is communicated with the first hydraulic channel and disconnects the second hydraulic channel, and the control slide valve at the second position is communicated with the second hydraulic channel and disconnects the first hydraulic channel. According to the rocker arm, excessive adjustment of the hydraulic gap adjusting mechanism can be avoided under the abnormal control condition.

The utility model relates to the technical field of stacking equipment, in particular to double-station automatic stacking equipment which comprises a robot base, a square roller conveyor and two placing table bases, a centering mechanism for pushing goods is arranged at the upper end of the square roller conveyor, the centering mechanism comprises two mounting plates, two air cylinders and two push plates, and the two mounting plates are connected with the two air cylinders. The two mounting plates are fixedly connected to the upper end of the square roller conveyor, the two air cylinders are fixedly connected to the upper ends of the two mounting plates respectively, the two push plates are fixedly connected to the outer surfaces of the two air cylinders respectively, the two push plates are slidably connected to the upper end of the square roller conveyor, and the two air cylinders are oppositely arranged. The output shafts of the square roller conveyors face the center of the robot base, in the goods conveying process, the output shafts of the two air cylinders stretch out to the center of the square roller conveyor to drive the two push plates to slide, the two push plates are attached to and extrude conveyed goods from the two sides, and it is guaranteed that the goods conveying and discharging positions are fixed.

The utility model discloses a double-end wrench, which relates to the field of mechanical maintenance and comprises a wrench main body, a pair of wrench grooves are symmetrically arranged at two ends of the wrench main body, a sliding groove is arranged on the wrench main body, the sliding groove is communicated with the wrench grooves, and a fixing rod is arranged in the sliding groove in a sliding mode. The two ends of the fixing rod are provided with a pair of connecting rods matched with the wrench grooves, the ends, close to the wrench grooves, of the connecting rods extend into the wrench grooves, and a pair of fixing grooves are symmetrically formed in the positions, in the sliding groove, of the center of the wrench body. The fixing rod and the connecting rod which can slide are arranged at the two ends of the wrench body, the connecting rod can move in the wrench groove, the extending distance is adjusted according to the diameter of a part, the adaptability of the wrench to the parts of different sizes is effectively improved through the design, carrying of multiple wrenches is avoided, time and energy are saved, and working efficiency is improved.