43results about How to "Avoid over-regulation" patented technology

The invention relates to the technical field of adaptive filtering, and discloses a deviation compensation constraint adaptive filtering method and system based on error nonlinearity, and the method comprises the steps: constructing an adaptive weight vector and a noise-containing input signal vector according to an adaptive weight and a noise-containing voice signal sampling value when the weight of an adaptive filter is subjected to linear constraint; after the inner product generates an output signal, an estimation error signal is generated, and an error square median is calculated; calculating an error signal variance estimated value and a self-adaptive weight vector power estimated value according to the error square median and the self-adaptive weight vector, and then calculating an input noise variance estimated value; calculating a deviation compensation item according to the adaptive weight vector and the input noise variance estimation value, and updating the adaptive weight vector with the noise-containing input signal vector and the estimation error signal; and calculating the inner product of the updated adaptive weight vector influenced by the low-efficiency input noise and the noise-containing input signal vector to obtain an output signal subjected to input noise deviation compensation.

The invention provides a coordination control method and device for off-grid new energy hydrogen production, electronic equipment and a medium, and relates to the technical field of new energy hydrogen production. The coordination control method for off-grid new energy hydrogen production comprises the following steps: performing first coordination control on off-grid new energy hydrogen production based on a steady-state control mode under the condition that the actually measured current frequency of a system is within an adjustment dead zone range; under the condition that the current frequency of the system is not in the adjustment dead zone range, performing second coordination control based on the transient state control mode; after the second coordination control, under the condition that the current frequency of the system is not in the adjustment dead zone range, third coordination control is carried out on off-network new energy hydrogen production based on the emergency control mode; and after the third coordination control, under the condition that the current frequency of the system is not in the adjustment dead zone range, determining a to-be-cut power value of off-grid new energy hydrogen production according to an overcut principle. According to the method, the load adjusting characteristic of the hydrogen production electrolytic cell is considered, source-load interaction is achieved, and the absorption rate of new energy is increased.

The invention discloses a dynamic power control method and system for an electric vehicle charging pile, and relates to the technical field of dynamic power control of charging piles, and the method comprises the steps: carrying out the primary regulation and control and secondary regulation and control of the charging pile; obtaining a plurality of groups of different regulation and control time scale arrays; a plurality of different regulation and control time scale arrays are applied to primary regulation and control and secondary regulation and control correspondingly, and vibration evaluation data and multi-pile energy distribution uniformity data of parameter changes during primary regulation and control and secondary regulation and control are obtained; a regulation and control time scale evaluation model is constructed based on SVR; constructing a time scale-power regulation and control effect three-dimensional change curve, and performing curve analysis to obtain an improved regulation and control time scale array which is applied to charging pile power control; the problems that the system response is delayed and load fluctuation or other dynamic changes are difficult to quickly adapt due to the fact that the time scale difference of the two is not fully considered are solved.

The embodiment of the invention provides a video processing method and electronic equipment, and relates to the technical field of electronics, the method can be applied to the electronic equipment, and the method comprises the following steps: the electronic equipment can send a video acquisition request of a target video to a server, and receiving information for adjusting the video quality of the target video and video stream information of the target video from the server. The electronic device can also obtain video data corresponding to the video stream information according to the video stream information of the target video. And according to the information used for adjusting the video quality of the target video, performing image processing on the video data corresponding to the video stream information and displaying the video data. Therefore, according to the embodiment of the invention, the video data can be subjected to image processing and displayed on the basis of considering the video quality of the target video. And the problem of excessive adjustment of the video data is avoided. And furthermore, the display effect of the video data is improved, and the user experience is improved.

The invention provides an LDPC (Low Density Parity Check) decoding method based on a node reliability dynamic correction criterion. The LDPC decoding method comprises the following steps: step 1, initializing channel information; step 2, judging whether the maximum number of iterations is reached or not, if so, outputting a result, otherwise, entering step 3; 3, calculating extrinsic information from the check node to the variable node; 4, calculating extrinsic information from the variable node to the check node; 5, adjusting the correction factor according to the matching condition of the variable node symbol and the last iteration symbol; 6, if the correction factor exceeds the threshold value, limiting the correction factor to be the threshold value, otherwise, continuing the next step; 7, multiplying the correction factor by the variable node information, and adjusting the weight of the node information; 8, calculating full information of the variable nodes and performing hard decision; step 9, checking whether the judgment result meets the condition that the checksum is zero or not, if so, outputting a decoding result, otherwise, continuing iteration; and step 10, if the condition is not met, entering a next round of iteration, and updating check node information.

The embodiment of the invention provides a delay-locked loop, a control method thereof and a memory. The delay-locked loop includes: a phase detection circuit configured to receive a reference clock signal and a feedback clock signal, and generate an instruction signal by comparing phases of the reference clock signal and the feedback clock signal; the time delay circuit is connected with the phase detection circuit and is configured to receive the instruction signal and output the received instruction signal in a delayed manner; the control circuit is connected with the delay circuit and is configured to receive the instruction signal output in a delayed manner and generate a control signal according to the instruction signal; and the clock adjustment circuit is connected with the control circuit and the phase detection circuit, and is configured to receive the control signal and the reference clock signal, and output a feedback clock signal based on the control signal and the reference clock signal.

The utility model discloses and relates to a paperboard transportation edge correcting mechanism which comprises a machine frame, a conveying table is arranged on the machine frame, the conveying table is arranged on the machine frame in a sliding mode along the X axis and the Y axis, and a conveying assembly is arranged on the conveying table. The rack is provided with an adjusting frame sliding in the X-axis direction in a guiding mode and a first driving piece driving the adjusting frame to slide in the X-axis direction, the conveying table is arranged on the adjusting frame, and the adjusting frame is provided with a torsion assembly used for driving the conveying table to move in the Y-axis direction and conduct relative torsion. During use, when a paperboard is conveyed to a designated position through the conveying assembly, the detection sensors detect the position corresponding to paper at the moment, so that whether the position of the paper needs to be adjusted or not is judged, and when one detection sensor detects that the position of the paper is incorrect, the detection sensors detect that the position of the paper needs to be adjusted. At the moment, the first driving part and the torsion assembly drive the whole conveying table to move and relatively twist, and therefore the corresponding position of the paper is corrected.

The invention provides an intelligent door and window control system, and relates to the technical field of intelligent door and window control, the intelligent door and window control system comprises an environment data acquisition module, a cloud data storage module, a weather data reading module and a door and window intelligent control module, the environment data acquisition module is used for respectively acquiring indoor environment parameters and outdoor environment parameters; the cloud data storage module is used for storing the indoor environment parameters, the outdoor environment parameters and the window opening angle output by the intelligent door and window control module and sending the indoor environment parameters and the outdoor environment parameters to the intelligent door and window control module. The weather data reading module is used for reading day weather data and historical weather data and sending the day weather data and the historical weather data to the door and window intelligent control module; the intelligent door and window control module is used for calculating the window opening angle needed by the intelligent window according to the indoor environment parameters, the outdoor environment parameters and the day weather data and automatically controlling opening and closing of the intelligent window based on the window opening angle. The control precision of the intelligent window can be improved, and energy consumption can be reduced.

The invention discloses a horizontal low-pressure vibration test moving coil balance control method and device, and the method comprises the steps: obtaining the speed of a moving coil through detecting the displacement of the moving coil, adjusting the opening degree of a vacuum solenoid valve or an air source solenoid valve according to the speed of the moving coil through employing a corresponding linear control function, and enabling the speed of the moving coil to be zero when the moving coil reaches a balance position. And the moving ring can quickly and stably return to the balance position after exceeding the balance position threshold value. According to the horizontal low-pressure vibration test moving coil balance control method, the problem that the moving coil is difficult to accurately reach the balance position is solved, the moving coil can rapidly and stably return to the balance position after exceeding the balance position threshold value, and the control precision in the moving coil position adjusting process is effectively guaranteed.

The invention discloses an intelligent regulation and control method and system for ship ballast water, and relates to the technical field of data processing. The method comprises the steps of dynamically adjusting an inclination angle threshold value by obtaining ship state data and environment state data, and judging whether a ballast water regulation action is triggered or not; if the ballast water regulation and control action is triggered, obtaining a ballast water regulation scheme through a pre-trained intelligent agent; the intelligent body is trained by taking optimization of ship body stability and fuel efficiency as a target; if the ballast water adjusting scheme meets the requirement, a control instruction is generated according to the ballast water adjusting scheme, and ballast water is adjusted. Through self-adaptive adjustment of the inclination angle threshold value, unnecessary small-amplitude adjustment can be reduced, excessive adjustment is avoided, and therefore energy consumption of the ballast water pump is reduced. The ballast water amount is regulated and controlled through the intelligent agent, the stability of the ship body can be kept, meanwhile, the fuel efficiency is optimized, unnecessary energy waste is reduced, and therefore the operation cost is reduced.

The invention discloses a telescopic distal radius combined steel plate, which comprises a distal end part, a first locking hole, a second locking hole, a second locking hole, a first steel plate, a second steel plate and a third steel plate, and is characterized in that the distal end part is provided with a first locking hole and a second locking hole; the near end part is provided with at least one third locking hole; wherein one end, close to the near-end part, of the far-end part is provided with a sliding guide part, one end, close to the far-end part, of the near-end part is in sliding connection with the sliding guide part, and the near-end part is movably arranged close to or far away from the far-end part. Through the application of the telescopic distal radius combined steel plate, the adjustment action on the steel plate in an operation is effectively reduced, the fracture area of a patient can be accurately fixed through the telescopic capacity of the combined steel plate, secondary injury to the patient is avoided, and postoperative recovery of the patient is better facilitated.

The present invention discloses a leveling keel and a leveling frame. The leveling keel comprises: a vertical keel, on which a plurality of mounting holes are arranged; a leveling assembly, on which a leveling assembly is installed at a position corresponding to each mounting hole, and the leveling assembly comprises a support seat and a leveling screw, the support seat is detachably connected to the vertical keel, a first through hole is arranged on the support seat, and is arranged opposite to the mounting hole; a plurality of first threaded segments are arranged on the inner wall of the first through hole, which are spaced and evenly distributed along the circumferential direction, and a leveling prompt portion is arranged between two adjacent first threaded segments; a second through hole is arranged on the leveling screw, and a plurality of second threaded segments are spaced and distributed along the circumferential direction and can be used in conjunction with the first threaded segments are arranged on the outer wall of the leveling screw; the leveling screw can move along the first through hole, and an end face of the leveling screw located in the first through hole can be arranged flush with the leveling prompt portion. The present invention provides a leveling keel and a leveling frame, which can realize the leveling of a wall.

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 belongs to the technical field of yarn covering machines and relates to pens, in particular to a yarn bobbin feeding device for a yarn covering machine, which comprises a base, a feeding device and a receiving device, the feeding device comprises a support rod arranged on the base and a feeding plate rotatably arranged on the support rod, and a plurality of feeding slideways are arranged on the feeding plate; the receiving devices are arranged on the two sides of the throwing device and used for receiving the thrown spools. The device further comprises an adjusting device. The adjusting devices are arranged on the two sides of the supporting rod, connected with the throwing plate and used for adjusting the inclination angle of the throwing plate and enabling angle adjustment of the throwing plate to be more stable. Wherein the adjusting device is arranged on the base, and the top of the adjusting device is hinged to the throwing plate.

The invention belongs to the technical field of air purification and discloses an indoor air purifier which comprises a shell, an air inlet end communicated with the interior of the shell is fixed to the side face of the shell, a filter screen plate is fixed to an end opening of the air inlet end, a purification adjusting assembly is arranged in the shell, and a replacement assembly is arranged outside the shell. A positioning assembly is arranged at the top end of the shell; the multiple small activated carbon plates are switched and transferred one by one through the purification adjusting assembly to purify air, the overall purification load of the small activated carbon plates is more balanced, the continuity and efficiency of air purification are improved, the whole device can be placed at a high position through the replacement assembly, negative oxygen ions are released from the high position, and the air purification effect is improved. The indoor air quality is further improved, the floor space is prevented from being occupied, the whole device can purify indoor air at the high position and the low position, the indoor air quality is further improved, and therefore the air purifier can adapt to various different use occasions and use requirements.

The application discloses an RTP annealing furnace chamber cooling rate cooling water rate automatic compensation method and relates to the technical field of semiconductor manufacturing. The method comprises the following steps: collecting temperature change trajectories in continuous time advancement in the cooling stage, calculating temperature change rates at each time point, screening time segments with reduced temperature change rates in a short time and overall temperature maintaining a downward trend, and constructing a stagnation representation set based on the time segments. The application identifies short disturbance sections in the temperature change in the cooling stage, avoids misjudging transient fluctuations as insufficient cooling, reduces excessive cooling water regulation, keeps the temperature change process continuous and stable, and gradually releases and gradually releases the regulation mode, gradually expands the cooling effect on the time axis, suppresses rapid temperature exploration, reduces temperature gradient fluctuations, reduces the influence of thermal stress, and improves process stability.

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 invention discloses a sound column, which is applied to a musical instrument. The musical instrument comprises a box body, the box body comprises a panel and a back plate, the sound column comprises a column body and a top support part, the column body is arranged between the panel and the back plate; the top support part is arranged on the column body, and the top support part is retractable; wherein, the box body is provided with an adjustment hole, the adjustment hole is used to adjust the retraction of the top support part, and a tool is first inserted into the adjustment hole and then into a slot of a screw rod, and then the tool is rotated to make the screw rod rotate and move, thereby making the top support part extend or contract, so as to adjust the supporting strength of the sound column, avoid the panel and the back plate from being deformed to a certain extent along the supporting direction, so as to weaken the stress and cause the sound column to loosen or fall off, so as to solve the technical problems of inconvenience, time-consuming and labor-intensive in adjusting the sound column in the prior art. Compared with the prior art, the user can adjust the sound column by himself, and the sound column can be adjusted to be loose or tight, which is simple and convenient, and saves time and labor.

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 invention discloses a range-extended automobile noise processing system and method, and relates to the technical field of automobiles, the range-extended automobile noise processing system comprises a noise detection module, a signal processing module, a noise suppression module, a system control module and a visualization module, the noise suppression module comprises a noise threshold adjustment unit, a noise reduction weight unit and a noise processing unit, the noise threshold adjustment unit is used for evaluating noise data, the noise reduction weight unit is used for evaluating the priority of noise reduction processing, and the noise processing unit is used for adjusting the gain and phase of noise to achieve the noise reduction effect. The noise processing system can adapt to the complexity and dynamic variability of a noise environment, the noise reduction weight unit evaluates the priority of noise reduction processing by combining a noise threshold value, finally, the noise processing unit accurately adjusts the gain and phase of noise to realize noise reduction, and the noise processing accuracy and processing efficiency are improved.

The utility model relates to a strength detection device for a transmission housing. The device comprises a bottom plate, a sliding groove is formed in the top of the bottom plate. A sliding column is in sliding fit with the middle of the sliding groove. The sliding columns are evenly distributed in the middle of the sliding groove. Clamping plates are fixedly connected to the top ends of the sliding columns; a first motor is fixedly connected to the side wall of the bottom plate; the output end of the first motor is connected with a bidirectional threaded rod; the two-way threaded rod penetrates through the middle of the bottom plate and the middle of the sliding column. The two-way threaded rod is in running fit with the bottom plate; the bidirectional threaded rod is in transmission fit with the sliding column; an isolation block is arranged in the middle of the sliding groove. According to the step, through arrangement of a first motor, a bidirectional threaded rod can be rotated, then the distance between clamping plates is adjusted through a sliding column, the transmission shell needing strength detection is clamped, meanwhile, the strength of the transmission shell is tested through a testing assembly, and excessive adjustment of the clamping plates can be prevented through isolation blocks; and the clamping effect of the strength detection device for the transmission shell is enhanced.

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 utility model discloses a cutter lifting platform and an automatic cutter sharpener, the lifting platform comprises a top component and a base, a shear shank composed of one or more pairs of supporting arms is symmetrically arranged between the top component and the base, and the supporting arm positioning ends at the top end and the bottom end of the shear shank are respectively hinged with the top component and the base of the lifting platform. The sliding end of the supporting arm is connected with the top component and the base in a sliding mode, a motor and a lead screw driven by the motor are installed on the top component or the base, and the lead screw penetrates through a component which is connected with the sliding end of the supporting arm and provided with a screw hole. The automatic tool sharpener comprises a grinding tool and a tool platform, the tool platform is a tool lifting platform special for the tool sharpener and installed on a horizontal sliding rail, a tool clamp is installed at the top of the lifting platform, and a clamping opening of the tool clamp is vertically arranged; the grinding tool is fixedly installed on the side of the horizontal sliding rail. According to the tool sharpener, the grinding contact pressure can be easily controlled according to the grinding requirement of the tool, the grinding angle adjusting link is reduced, the tool sharpening efficiency is improved, and the stress of the tool is balanced.

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.