285results about How to "Avoid disturbance" patented technology

The invention discloses a coal mine ventilation optimization and air quality regulation and control method based on adaptive learning, and relates to the technical field of coal mine ventilation optimization, and the method comprises the following steps: arranging a plurality of sensors in a mine, carrying out the real-time collection and monitoring of key environment parameters, and uploading the collected data to a central control system; and comparing the collected real-time data with historical data, and dividing the collected real-time data into conventional working condition data and abnormal working condition data according to environment states. Through real-time monitoring of various sensors and a deep learning algorithm, accurate ventilation control is achieved, a problem area is rapidly positioned in an emergency, airflow is dynamically adjusted, and safety of miners is guaranteed. According to the system, an LSTM model is adopted to predict an event trend in advance, preventive regulation and control measures are taken in time, real-time adjustment is supported, and the strain capacity is improved. Through a multi-stage ventilation mode, the system optimizes energy consumption and equipment operation efficiency, reduces unnecessary energy waste and maintenance cost, and realizes balance between safety and economy.

The invention discloses an alpine region-based double-curvature arch dam aeration ice-melting anti-icing device, and relates to the technical field of anti-icing, the alpine region-based double-curvature arch dam aeration ice-melting anti-icing device comprises a double-curvature arch dam body, a lifting structure, an aeration anti-icing structure, a PLC controller, a temperature sensor and a liquid level sensor are arranged on the outer convex curved surface side of the double-curvature arch dam body, and the aeration anti-icing structure comprises a plurality of fourth connecting pipes; the bottoms of the outer sides of the fourth connecting pipes are fixedly connected with a plurality of pressure release valves, and the bottoms of the pressure release valves are fixedly connected with bubble generators, so that along with the rise of the internal air pressure of the fourth connecting pipes, the air flow bursts through the pressure release valves and then is discharged through the bubble generators, and a large number of bubbles are generated; and in the process that the bubbles move towards the water surface, the water surface is stirred, the water surface is prevented from being frozen, the anti-freezing effect on the upstream side of the hyperbolic arch dam body is comprehensively achieved, and damage to the structure of the upstream side of the hyperbolic arch dam body caused by freezing is reduced.

The invention discloses a user track privacy protection method and system fusing a generative model and three-stage personalized differential privacy, and relates to the technical field of data security, and the method comprises the steps: obtaining real user track data, and carrying out the preprocessing of the real user track data to form standardized track representation; training a depth generation model to generate synthetic trajectory data; performing density clustering on the synthetic trajectory to obtain a feature region and calculating a region centroid; point-level privacy budgets are distributed according to three stages of the area proportion, the centroid distance and the global density; constructing an adaptive elliptical disturbance domain based on the regional covariance, sampling candidate confusion points in the disturbance domain and applying road feasibility screening; and calculating a score based on the privacy budget and the utility function, and sampling replacement points by adopting an index mechanism to output a privacy protection trajectory. According to the technical scheme, the track structure continuity and the road semantic consistency are remarkably improved under the condition that the differential privacy constraint is met, and the privacy intensity and the data availability are both considered.

The invention discloses a rapid power control method and system for an off-grid micro-grid containing a grid-forming distributed power supply. The method comprises the following steps: based on a microgrid information physical fusion model, sensing and identifying parameters and operation states of each part of the microgrid through a finite state machine; carrying out detailed modeling and description on each state of the system, and clearly displaying state conversion information and conditions of the micro-grid system; primary control based on a network construction type converter is introduced to control the power of the system, active and reactive power output is adjusted, and when the system senses and identifies corresponding parameter changes, each stage of control is triggered to act; secondary control is introduced to carry out rapid power control adjustment on the micro-grid, frequency and voltage excursion caused by primary control is made up, external disturbance is suppressed, and the power of each part of equipment is reasonably distributed; model predictive control based on data driving is introduced, accurate power distribution and global optimal control are achieved, and the system operates stably.

The invention relates to the technical field of advertisement putting, in particular to a digital advertisement system. The system comprises a data acquisition preprocessing module, a deep learning model reasoning module, a scene adaptation decision module, a dynamic frequency adjustment module and a performance monitoring and feedback circulation module. The data acquisition preprocessing module collects and cleans multi-dimensional user behavior data in real time, and ensures high-quality data input; the deep learning model reasoning module constructs and updates a context sensing map, captures the instant demand and complex context relationship of the user, and provides an accurate personalized recommendation basis; and the scene adaptation decision module intelligently judges the instant state of the user in combination with the real-time context information, and determines the optimal advertisement display opportunity. According to the method, a context perception map technology is introduced into a deep learning model reasoning module, so that accurate capture of instant behaviors of a user and a complex context relationship is realized, and the instant behaviors and the complex context relationship are efficiently associated, and therefore, more personalized and timely advertisement contents are provided.

The embodiment of the invention provides a missing page recovery method and device and a storage medium. A new IOPF scheduling function is innovatively provided in the virtual machine manager. The method comprises the following steps: determining a target virtual machine to which a missing page request belongs in response to monitoring of the missing page request initiated by any IO device on a physical machine; selecting a target physical kernel used for processing the page missing request for the target virtual machine from the plurality of physical kernels; and scheduling the missing page request to the target physical kernel so as to process the missing page request by utilizing the target physical kernel. Therefore, by determining the virtual machine to which each IOPF occurring in the physical machine belongs, the IOPF scheduling can be carried out by taking the virtual machine as a constraint condition, so that the IOPF can be prevented from being concentrated on a certain specified physical kernel on the physical machine to be processed, and disturbance of IOPF scheduling to irrelevant virtual machines can be effectively avoided, thereby ensuring reasonable scheduling of the IOPF and further improving the processing efficiency of the IOPF.

The invention belongs to the technical field of soil sampling, and particularly relates to a grain planting soil detecting and sampling device which comprises a base, a supporting column is fixedly arranged on one side of the base, a top plate is fixedly arranged on the supporting column, a driving mechanism and a stratified sampling mechanism are arranged on the top plate, and a soil sample storage mechanism is arranged on the base. The stratified sampling mechanism comprises a sampling drill rod assembly and a pressure difference sampling assembly, the pressure difference sampling assembly is installed on the top plate, and the sampling drill rod assembly is located below the top plate and connected with the pressure difference sampling assembly; by combining the pressure difference principle with the longitudinally-arranged temporary storage cavities, soil of different depths can be collected in a layered mode in one-time sampling operation, after the soil is collected, the soil of different depths is sprayed into the corresponding sample receiving plates to be stored according to the pressure difference principle again, sample mixing is effectively avoided, accurate layered sampling is achieved, and the sampling efficiency is improved. And the collected soil sample is kept in an original state.

The invention relates to an alarm method, system and device for an intelligent cabin and a storage medium, and the method comprises the steps: obtaining alarm information, carrying out the feature extraction of the alarm information through a feature extraction algorithm, and obtaining a feature set of the alarm information; the feature set of the alarm information is analyzed, an analysis result of the alarm information is obtained, and the analysis result comprises the priority of the alarm information and an alarm popup window format; the current audio state of the vehicle is obtained, analysis is carried out in combination with the alarm information priority and the current audio state of the vehicle, and an audio adjustment scheme is obtained; and according to the audio adjustment scheme, the output audio of the vehicle is adjusted, and the alarm pop-up window format is transmitted to the central control large screen. The method has the effect of enhancing the user experience.

The invention discloses a plaster coating device and method with a cooling function, and relates to the technical field of coating machines. A supporting plate is arranged at the center of the top of the base, a stabilizing frame is arranged at the top of the base, a pressing roller assembly is arranged on the right side of the top of the base, a fixing plate is arranged on the edge of the right side of the top of the base, and a collecting roller is arranged in the fixing plate. A spray gun is promoted to spray plaster raw materials to the top of plaster base cloth in a wave shape to avoid center accumulation, so that the raw materials are conveniently and uniformly dispersed at the top of the base cloth when the compression roller assembly rotates and extrudes the plaster raw materials, and the raw material allocation difficulty of the compression roller assembly is reduced; the overall use effect of the finished product is reduced due to non-uniform distribution of plaster raw materials on the surface of the base cloth.

The invention provides a construction method for punching transformation of a sandwich perlite composite wall. The construction method comprises the following steps that S1, construction preparation is conducted; s2, measuring and marking the sideline of the opened hole on the wall body with the opened hole; s3, a back-jacking supporting unit supported between a floor and a top plate is arranged in front of the wall with the opened hole; s4, water drilling and hole taking are conducted on the wall with the opened hole along the periphery of the side line, a grouting nozzle is embedded in the hole, and pressure grouting is conducted; s5, lintel construction is conducted on the wall with the opened hole along the side line; s6, the original masonry in the sideline range is statically dismantled through a water drill; s7, constructional columns are arranged on the two sides of the opened hole; and S8, the back-jacking supporting unit is dismantled. Pearlite in the wall body is fixed by adopting a pre-pressure cement paste injection technology, so that the problems that the construction is influenced and the thermal insulation performance of the wall body is reduced because the pearlite flows out in the punching process are solved; and drilling and dismantling of the wall body are achieved through water drill static dismantling, large disturbance to the wall body is avoided, and construction safety is guaranteed.

The utility model relates to the technical field of laser cutting heads, and provides a laser cutting head which comprises a laser head, the laser head is fixedly installed at the outlet end of a lens device, a laser channel is formed in the inner side of the laser head, a protective gas distribution mechanism is arranged on the inner side of the laser channel, and the protective gas distribution mechanism comprises an inner shell concentric with the laser head. The inner shell is located at one end of the laser channel, a gas inlet piece used for guiding protective gas into the inner shell is arranged on the outer side of the inner shell, and a gas guiding piece used for guiding the protective gas out of the inner shell is arranged at one end of the inner shell. The protective gas can be guided out of the laser head in parallel with the laser beam through the gas guide piece, and the problem that in the prior art, the protective gas is guided in the direction perpendicular to the laser beam, interference is caused to the laser beam, and workpiece cutting is affected is solved.

The utility model provides a waterproof structure for an underground engineering outer wall construction joint. The underground engineering outer wall construction joint waterproof structure comprises a concrete bottom plate, a concrete wall body and a water stop structure. The water stop structure comprises a supporting component and a water stop belt, the supporting component is located in the concrete bottom plate, the bottom of the supporting component is fixedly connected with the concrete bottom plate, the top of the supporting component is fixedly connected with the water stop belt, one part of the water stop belt is located in the concrete bottom plate, and the other part of the water stop belt is located in the concrete bottom plate. And the other part of the water stop belt is located in the concrete wall body, and the water stop belt is perpendicular to the interface of the concrete bottom plate and the concrete wall body.

The utility model belongs to the technical field of power transmission angle steel towers, and particularly relates to an angle steel tower of a power transmission tower with an anti-bird device, which comprises a power transmission angle steel tower body and a power transmission mounting rack fixedly mounted on the side surface of the power transmission angle steel tower body, and a top plate is fixedly mounted on the upper surface of the power transmission angle steel tower body. An anti-bird mechanism is arranged on the upper surface of the power transmission angle steel tower body, and a reinforcing mechanism is arranged at the bottom end of the power transmission angle steel tower body. According to the angle steel tower of the power transmission tower with the anti-bird device, the anti-bird mechanism is arranged on the upper surface of the top plate, and a loudspeaker in the anti-bird mechanism can simulate the sound of natural enemies of birds to give out sound to frighten the birds not to approach; under the action of high-altitude wind power, a reflective mirror arranged at the upper part of the outer surface of a fixed rod rotates to reflect sunlight to repel birds, so that the power transmission angle steel tower body is prevented from being disturbed by the birds; the reinforcing mechanism is arranged on the bottom face of the power transmission angle steel tower body to reinforce the whole power transmission angle steel tower body, so that the stability of the power transmission angle steel tower body is improved, and shaking is not prone to occurring.

The invention discloses a building engineering construction dust removal device, and relates to the technical field of building engineering construction. The building engineering construction dust removal device comprises a fixing frame, universal wheels are movably connected to the bottom of a lower fixing frame, a toughness block is fixedly connected to the top of the lower fixing frame, an upper fixing frame is fixedly connected to the top of the toughness block, an absorption mechanism is fixedly connected to the interior of the lower fixing frame, and a vibration mechanism is fixedly connected to the interior of the absorption mechanism. According to the dust removal device for building engineering construction, fan blades are driven to rotate through a rotating shaft, airflow passing through a filter plate is generated, a sweeping plate rotates to drive a brush to sweep the ground, dust on the ground is swept up, and the airflow generated by rotation of the fan blades sucks the dust into a lower suction cylinder; when a scraping plate rotates, dust at the bottom of a filter plate is swept into a side ring under the action of centrifugal force, and the dust is pushed into a dust storage chamber to be collected under the pushing of a lower pressing plate.

The utility model relates to the technical field of mechanical engineering, in particular to an air-floating suspension high-speed fan box which comprises a frame, supporting legs are arranged at the bottom of the frame, rubber pads are arranged at the bottom ends of the supporting legs, an air outlet flange door plate is arranged on the left side of the frame, and a ventilation door plate is arranged on the right side of the frame. The defects in the prior art are overcome, certain errors can be generated in the installation process by utilizing the ductility of the hoses through the corresponding hoses, the installation difficulty and the production cost can be reduced by replacing steel pipes with the hoses, gaps can be filled through the arranged noise reduction cotton, and the noise reduction effect is good. Through the arrangement of the air exhaust box, smooth flowing of airflow can be ensured, right-angle or acute-angle turning is avoided, sudden change and disturbance of the airflow in the air duct are reduced, the uniformity and stability of airflow flowing are improved, the airflow is guided to flow in the preset direction, and turbulent flow and impact are reduced.

The invention provides a seawater uranium extraction material elution and regeneration device, which comprises an elution and regeneration tank, an eluent collection flow path and a regeneration liquid collection flow path, the elution and regeneration tank is internally provided with at least two spacer regions, the adjacent spacer regions are communicated with each other, and fiber materials after uranium adsorption are separately placed in the spacer regions at intervals; the inlet end and the outlet end of the eluent collecting flow path are respectively connected with the elution regeneration tank, and at least two parallel eluent collecting tanks are arranged on the eluent collecting flow path so as to collect eluents with different concentrations flowing through the spacer region; the inlet end and the outlet end of the regenerated liquid collecting flow path are respectively connected with the elution regeneration tank, at least two regenerated liquid collecting tanks which are connected in parallel are arranged on the regenerated liquid collecting flow path, and the regenerated liquid collecting tanks are used for collecting regenerated liquid which flows through the spacer region and has different concentrations, so that the regenerated liquid is treated and discharged or returned to the elution regeneration tank for recycling. The seawater uranium extraction material elution and regeneration device can reduce the discharge of eluent and regeneration liquid, and improves the environmental friendliness.

The invention discloses a reinforced embankment rib deformation characteristic supergravity test method based on a PIV technology. A test device adopted by the method comprises a supergravity model box with an observation window, an industrial camera and an image processing system. The reinforced embankment model is arranged in the supergravity model box, the supergravity model box and the industrial camera are arranged in the supergravity geotechnical centrifuge, a lens of the industrial camera is aligned to the reinforced embankment model through an observation window on the supergravity model box, and an identification point is arranged on one side of the observation window of the reinforced embankment model. Under the high gravity field provided by the centrifugal machine, the industrial camera photographs the deformation process of the reinforced embankment model, and the displacement amount of the identification point in the image is analyzed through the image processing system, so that the deformation amount of the reinforced material can be obtained. And the parameters are compared with measurement parameters of a laser displacement meter above the reinforced embankment model and graduated scales pasted on the periphery of an observation window, so that the deformation characteristics of the reinforced material and the overall deformation field of the reinforced embankment model are obtained.

The utility model discloses a brake disc casting mold which comprises a pouring cup and a mold core, the transverse pouring gates comprise the first transverse pouring gate and the second transverse pouring gate, the first transverse pouring gate is connected with the pouring cup and extends outwards in the first direction, the second transverse pouring gate is connected with the pouring cup and extends outwards in the second direction, and a first included angle space is formed between the first transverse pouring gate and the second transverse pouring gate; the cavity is provided with a first inlet and a second inlet, and the first inlet and the second inlet are symmetrically distributed on the two sides of the cavity relative to the center of the cavity; wherein the mold cavity comprises a first mold cavity, the first mold cavity is arranged in the first included angle space, the first cross gate is connected to a first inlet of the first mold cavity through the first flow gate, and the second cross gate is connected to a second inlet of the first mold cavity through the second flow gate. The brake disc casting mold is excellent and stable in mechanical property, the brake performance of a whole vehicle can be improved, meanwhile, defective products can be reduced, and the production and management cost of an enterprise is reduced.

The invention relates to the technical field of intelligent robots, and particularly discloses an intelligent robot with scene perception capability and a method, and the intelligent robot with scene perception capability uses a camera of the robot to collect a pose monitoring video of a target old-age object. Meanwhile, a communication module of the robot is used for receiving a time queue of the pulse data, collected by the intelligent wearable device, of the target elderly object; then, based on the perceived data, the intelligent robot can identify the current situation and adjust the behavior of the intelligent robot according to the current situation so as to select a more appropriate behavior strategy. Therefore, different requirements of the old people in the scene can be predicted through the sensing information of the intelligent robot for the scene, so that personalized service content is customized, for example, when it is detected that the old people are resting, the volume can be reduced to avoid disturbing, and more personalized and intelligent health care service support is provided.

The invention discloses a method for realizing stable and continuous solute diffusion and slow release and a diffusion and slow release device. The method comprises the following steps: S100, manufacturing a mold; s200, the hydrogel solution is loaded in a mold, the mold is removed after a hydrogel mechanism is formed through cross-linking treatment, and the hydrogel mechanism is provided with a release cavity, a liquid inlet channel and a liquid outlet channel which are communicated with the release cavity in a limited mode; s300, continuously introducing a to-be-released solute solution into the liquid inlet channel, and continuously discharging the to-be-released solute solution from the liquid outlet channel, so that the concentration of the to-be-released solute solution in the release cavity is kept stable; and S400, at least part of the hydrogel mechanism is placed in target liquid, the to-be-released solute solution comprises to-be-released solute molecules, and the to-be-released solute molecules in the release cavity can be diffused into the bulk phase of the target liquid through the cavity wall of the release cavity. According to the method, stable, continuous and controllable solute molecule release can be realized, so that the flow controllability of the Malangoni interface can be conveniently improved.

The utility model relates to the technical field of biodiesel production, in particular to a catalyst separation and recovery device for converting waste oil and fat into biodiesel, which comprises a separation tank. A feed pipe is fixedly connected to the rear position at the upper end of the separation tank, a waste discharge pipe is fixedly connected to the middle position at the lower end of the separation tank, two observation windows are fixedly connected to the front surface of the separation tank, and two adjusting components are arranged at the front position at the upper end of the separation tank. The adjusting components include a positioning sleeve, a connecting seat, a threaded sleeve, a first bevel gear, a second bevel gear, an electric motor, a threaded pipe, a connecting block, a positioning block, a discharge pipe, a first suction pipe, a second suction pipe, a positioning rod and a limiting block; the threaded pipe is driven to lift through the adjusting components, so as to adjust the heights of the first suction pipe and the second suction pipe, so that the floating oil and esterified glycerol can be accurately sucked, the separation quality of the esterified glycerol is effectively improved, the purity of the catalyst recovery is further improved, and the waste of the esterified glycerol is avoided.

The utility model relates to the technical field of building construction, in particular to a positioning clamp and a building system.The positioning clamp comprises a first clamping device, a second clamping device, an adjusting device and a locking device; the two ends of a workpiece are clamped through the first clamping device and the second clamping device, the distance between the first clamping device and the second clamping device is adjusted through the adjusting device, the adjusting device is locked through the locking device, and / or the first clamping device and the second clamping device are locked. The device is small in occupied space; repeated use can be achieved, and cost is saved; a quick-disassembly and quick-assembly structure is adopted, so that the assembly efficiency is improved; the first clamping device and the second clamping device can provide sufficient clamping force, and disturbance and stress influence of steel bar connection operation are avoided; through the adjustable arrangement of the adjusting device, the elevation adjustment is more convenient; and a locking device is adopted, so that an anti-loosening function is achieved, and the influence of connection falling caused by vibration under a use working condition and disturbance on the perpendicularity is avoided.

The invention provides a low-flow-resistance underwater sound insulation device which is characterized by comprising a plurality of air bags with the longitudinal sections in the shape capable of being densely laid. A set gap is kept between every two air bags, and the air bags are perpendicular to the water surface The device has the advantages that the broadband sound insulation performance is excellent, the main frequency band of underwater noise measurement is covered, and the influence of various noise sources on the test environment can be effectively inhibited; the hydrodynamic compatibility is good, the through-flow design of air bag array arrangement can maintain low flow resistance while realizing sound isolation, and significant disturbance to a test environment is avoided; and the modular design of the air bag is convenient to install, maintain and expand, and large-scale deployment in various water area environments is facilitated.

The present application discloses a hierarchical electrostatic adsorption etching device, comprising a studio, a carrier, a first electrostatic suction cup and a second electrostatic suction cup. The first electrostatic suction cup and the second electrostatic suction cup are arranged in the studio and above the carrier. The electrostatic suction cup can attract impurity particles to adhere, thereby ensuring the cleanliness of the cavity environment, extending the cavity maintenance cycle, and improving the equipment operation efficiency; the second electrostatic suction cup is provided with a first perforation, and the impurity particles can move toward the first electrostatic suction cup through the first perforation; the attraction of the first electrostatic suction cup is greater than the attraction of the second electrostatic suction cup; a second electrostatic suction cup with smaller attraction is added below the first electrostatic suction cup, which will not affect the carrier's attraction to positive ions, and can well induce impurity particles with small splash angles and low splash heights to move upward; the impurity particles are mainly attached to the first electrostatic suction cup, which can keep the impurity particles away from the etching gas source, thereby avoiding airflow disturbance that has already been adsorbed. Impurity particles.

The invention relates to the field of high polymer material forming and processing, and discloses an automobile polylactic acid composite material interior trim production device which comprises a lower mold assembly, a supporting assembly, a traction assembly and an upper mold. The lower die assembly is slidably connected to the supporting assembly, and the traction assembly is arranged below the lower die assembly. The traction assembly drives a lower section mold in the lower mold assembly to do horizontal reciprocating motion through a driving motor and a transmission mechanism; and the transmission mechanism synchronously drives the sliding plate and the convex teeth in the lower section mold to vertically lift in a reciprocating manner. Through phase matching of the cam and the cam shaft, the convex teeth stretch out and pierce the material only when the lower section die moves in the stretching direction and retract in the return stroke, and intermittent one-way shearing of the bottom end of the material is achieved. The device further has a variable-speed variable-pitch adjusting function, and the shearing stroke and speed can be switched according to the material forming stage. According to the invention, molecular chain orientation can be effectively induced, and the crystallization rate of the polylactic acid material and the mechanical strength of the interior trim part are improved.

This utility model discloses a drying rack for rapidly drying membrane fibers, comprising: a support, a support rod, a drying rod, and hooks. The support rod is located on the support and has a hollow tubular drying rod with ventilation openings. The drying rod is connected to a ventilation device. A hook is located below the ventilation opening, and a baffle is provided between the hook and the ventilation opening. The hook is connected to the drying rod via an elastic element. This utility model, by providing ventilation openings on the drying rod, allows air to blow from top to bottom onto the suspended membrane fibers, accelerating drying and improving drying efficiency. By providing a baffle between the hook and the ventilation opening, ventilation is only activated when membrane fibers are suspended on the hook, preventing wasted air when all ventilation openings are open due to insufficient membrane fiber bundles, thus saving energy.

The invention relates to the technical field of geotechnical test instruments, and discloses a marine soft soil triaxial test device which comprises a pressure chamber, an air extraction assembly and a water supply mechanism, one end of the air extraction assembly is connected with the top end of the pressure chamber, and the air extraction assembly comprises a vacuum air extraction pump used for extracting air in the pressure chamber; a confining pressure control pipe is arranged at the bottom of the pressure chamber, the water supply mechanism is detachably connected with the confining pressure control pipe, and water can be injected into the pressure chamber based on the height difference between the water supply mechanism and the pressure chamber and / or vacuum pressure formed in the pressure chamber. And a control valve for controlling the on-off state of the confining pressure control pipe is arranged on the confining pressure control pipe. No residual gas exists in the pressure chamber of the marine facies soft soil triaxial test device, the saturation rate of a marine facies soft soil sample in the pressure chamber is increased, disturbance damage to the marine facies soft soil sample is avoided, and the accuracy of test data is improved.

The present application relates to a kind of umbrella face observation protection method and anti-riot umbrella, it is related to security umbrella technical field, it includes response to observation signal, obtain umbrella back video stream data;Form umbrella back picture information based on umbrella back video stream data by projection device and project to umbrella inside;Frame by frame analysis umbrella back video stream data to determine human body limb position;Determine human body limb direction based on human body limb position;Determine the position of predicted contact surface of umbrella back by human body limb direction;Obtain high protection umbrella position rotation angle, and determine umbrella rotation angle based on high protection umbrella position rotation angle and the position of predicted contact surface of umbrella back;Based on umbrella rotation angle, execute umbrella rotation operation.The present application has umbrella face dynamic alignment impact point, and the effect of improving initiative protection capability.

The utility model relates to down quilt technical field especially, relates to a kind of down quilt of even filling, including protective cover, the surface of the protective cover is equipped with horizontal and vertical staggered seam, the protective cover is divided into multiple independent square area with 30 centimeters side length by the seam;The top center of each square area is equipped with the opening for the filling tube of filling machine insertion, and the top of the protective cover is sewn with long strip edge bar.The utility model aims at the phenomenon of traditional protective cover because of the whole communication, the filling tube is moved inside and drives down migration, and the present application is divided into independent 30 centimeter side length square area by horizontal and vertical seam, each area is independently closed, and the flowing channel of down between area is blocked on physical structure, avoid the risk of down stringing during filling process and subsequent use, guarantee the stability of the filling amount of each area from the root.

The invention discloses a gate opening conversion method under a flow scheduling condition, and the method comprises the steps: determining an initial gate opening, and calculating a scheduling gate opening corresponding to a target scheduling flow; according to the relation between the initial gate opening degree and the dispatching gate opening degree, the gate opening degree is linearly changed from the initial gate opening degree to the dispatching gate opening degree according to the set speed; and in each gate adjustment process, recalculating the actual gate passing flow corresponding to the current gate opening, starting a correction mechanism to carry out fine adjustment on the scheduling gate opening according to the relationship between the actual gate passing flow and the target scheduling flow, and repeatedly executing the gate adjustment process until the target scheduling flow is reached. According to the method, the flow scheduling target of a management layer is met, the actual gate adjustment action of a base layer is achieved, the real-time performance of gate passing flow calculation is guaranteed, and the method is better fused with a channel hydrodynamic simulation model.