443 results about "Dot matrix" patented technology

The invention provides a thermal imaging automatic calibration and key region segmentation method. The method comprises the steps of obtaining a thermal imaging image, and then performing preliminary denoising processing on the image to obtain a denoised image; constructing a high-density grid in an image pixel dot matrix by adopting a dense sampling method according to the de-noised image so as to determine an initial pixel coordinate of each grid point; obtaining neighborhood feature vectors through an abnormal point set, and grouping the vectors by adopting K-means clustering so as to determine a temperature change mode, and fusing a temperature gradient to extract a boundary extraction basis as grid optimization input; and extracting a boundary extraction basis of the key part from the temperature change mode, adjusting the high-density grid according to the boundary extraction basis to obtain an optimized grid, and starting relocation iteration adjustment through coordinate deviation calculation. According to the method, a closed-loop optimization process of high-density grid construction, abnormal point identification, clustering analysis, grid dynamic optimization and iterative relocation is constructed, so that refinement and adaptive segmentation of a thermal anomaly region are realized.

This invention discloses a robotic grinding auxiliary device with a follow-up lattice circulation mechanism for thin-walled parts, comprising: a grinding robot mechanism, a thin-walled part, and a follow-up lattice magnetorheological support mechanism. The follow-up lattice magnetorheological support mechanism is positioned directly in front of the grinding robot mechanism. A left positioner and a right positioner are located on either side of the follow-up lattice magnetorheological support mechanism. The left and right positioners are configured to clamp the thin-walled part from both sides, allowing the thin-walled part to be synchronously moved with the left and right positioners. The thin-walled part is positioned vertically above the follow-up lattice magnetorheological support mechanism, and the working end of the grinding robot mechanism is positioned above the thin-walled part. This invention effectively counteracts the cutting force applied by the grinding robot by providing active and adaptive support from below, greatly suppressing workpiece vibration and deformation, and ensuring machining accuracy and surface quality.

The invention provides an anti-counterfeiting traceability system and method based on a Braille dot matrix code, and the method comprises the steps: associating the multi-dimensional information of a whole life cycle of a product with the Braille dot matrix code through constructing a Braille dot matrix code generation rule of a fusion encryption algorithm and an error correction mechanism; storing the associated braille dot matrix code and product information to a block chain node to form a non-tampering traceability data chain; during verification, braille dot matrix codes are analyzed through visual scanning or tactile recognition, product information is extracted and subjected to consistency verification with hash values stored in the block chain, and tactile feedback interaction is provided for visually impaired users; and finally, anti-counterfeiting verification and full-process traceability of the product are realized, the use requirements of common users and visually impaired users are considered, and the problems that the existing anti-counterfeiting technology is easy to copy, the traceability data are unreliable and the traceability data are not friendly to visually impaired groups are solved.

The system provided herein may include an ablutionary fitting (e.g., sink, faucet, toilet) and a holographic user interface module. The module may be used to control operation of the ablutionary fitting. The module may include a printed circuit board assembly (PCBA), a display screen (e.g., a liquid crystal display (LCD), projection, dot matrix, light-emitting diode (LED), etc.) coupled to the PCBA, a holographic 3D plate, and an infrared touch bar. When light emits from the display screen, the light may be directed toward the holographic 3D plate, and the holographic 3D plate may transform the light into a screen image. The infrared touch bar may analyze activation of the screen image by a user and control the ablutionary fitting based on the activation of the screen image.

The invention relates to the technical field of liquid crystal display, and discloses a liquid crystal module character display method, which comprises the following steps of: performing stroke decomposition and topological relation establishment on Chinese characters in a target character set to generate a character stroke data set; performing two-dimensional character topological mapping and compressed encoding on the to-be-displayed characters to form compressed character description data; executing hierarchical rendering and stroke synthesis in a character reconstruction engine to generate a target character dot matrix; pixel array electric field distribution optimization is carried out, and sub-pixel-level precision character edge display data are obtained by controlling the driving voltage gradient; performing electric field compensation based on the character edge display data with sub-pixel-level precision to form character display data with enhanced edge sharpness; stroke self-adaptive anti-aliasing processing is carried out on the character display data with enhanced edge sharpness, clear Chinese character display data is output, the visual smoothness of character edges in a small-size display environment is optimized, and the overall recognition degree of characters is improved.

The invention discloses a machine learning prediction method for mechanical properties of a metal dot matrix, and belongs to the technical field of metal materials. The method comprises the following steps: S1, finite element modeling and simulation testing; s2, data collection and preprocessing; s3, performing feature analysis; s4, training and evaluating a machine learning model; s5, carrying out interpretability analysis; and S6, performing performance prediction. According to the machine learning prediction method for the mechanical properties of the metal dot matrix, the research and development cost of the mechanical properties of the metal three-dimensional dot matrix is greatly reduced, the research and development efficiency is improved, the prediction precision is high, the blank of special configuration performance prediction is filled, the influence of parameters on the performance can be clarified, and a reliable basis is provided for structural optimization.

The invention relates to a coding and decoding method and a dual-mode coding and decoding method based on a Hash-fractal image chain, and the method comprises the steps: segmenting a text into blocks according to a set number of characters when the length of the text is greater than a threshold value, and generating a Hash value chain for each block through SHA-256; intercepting the first 16 bytes of the hash value of each block to generate a hippeastrum set image, then generating a binary fractal image, embedding metadata dot matrixes into four corners of the fractal image, and storing the metadata dot matrixes in sequence; traversing the target folder, obtaining all PNG images, and sorting the PNG images according to file name indexes; for each image, extracting metadata areas in sequence and decoding the metadata areas, firstly verifying fractal dimension errors of the image to ensure that a carrier is complete, then checking the consistency of each prevhashframe and a previous nexhashframe, positioning a chained tampering position, recalculating a CRC8 checksum, comparing with a storage value and marking a damaged data block; and finally, splicing effective data according to a block position sequence, and outputting a complete text and an abnormal mark. According to the method, the unlimited-capacity ordered associated storage breakthrough can be realized, and the tamper-resistant capability is improved.

The invention relates to a tool surface microstructure laser additive filling modification process, in particular to the technical field of tool machining, and the tool surface microstructure laser additive filling modification process comprises the following steps that S1, microstructure design is conducted, specifically, the type of a microstructure is determined according to the tool service condition, the microstructure is of a groove type or a dot matrix type or a two-dimensional or three-dimensional structure, the design depth is 50-800 microns, and the distance between every two adjacent structures is 50-800 microns; according to the tool, the reinforced lubricating composite filling layer is constructed in situ in the micro-texture concave area of the tool, precise filling with the deep micro-texture depth reaching 800 microns is achieved, the filling layer remarkably enhances the mechanical strength of the micro-texture area while providing a chip storage and lubricating space, and therefore the tool can have the good cutting performance under the conditions of high-speed cutting and high-load machining, and the service life of the tool is prolonged. The bending strength attenuation rate is controlled within 5%, and the bending strength attenuation rate of a traditional non-filling or mechanical filling process is generally larger than 8%.

The invention relates to the technical field of welding, in particular to a micro node welding method for a 3D printing lattice structure, which comprises the following steps: S1, scanning a path shape by laser; s2, laser scanning speed; s3, according to a laser scanning strategy, in the step S1, path shapes are divided into a linear shape, a circular shape and a spiral shape, different scanning path shapes can cause differences of the shape and heat distribution of a molten pool, so that flowing of the molten pool is affected, linear scanning may generate a long and narrow molten pool, and the shape of the molten pool cannot be changed. A smoother and more uniform molten pool shape is generated through spiral or circular scanning; by elaborately designing a laser scanning path, the shape and the stability of a molten pool can be optimized, so that the forming quality of a welding seam is improved, defects are reduced, the mechanical performance of a welding joint is improved, in the step S2, the scanning speed can influence energy input of laser in a unit area and directly influence the size and the temperature of the molten pool, and the mechanical performance of the welding joint is improved. Therefore, the flow is influenced.

The invention discloses a method for generating a metal 3D printing supporting structure, and relates to the technical field of additive manufacturing. The method comprises the steps that geometric analysis is conducted on a three-dimensional model of a to-be-printed part, and areas needing to be supported are recognized and classified into a strong supporting area, a weak supporting area and a transition supporting area; different laser scanning parameters are configured for different supporting areas, a supporting main body adopts low-energy density parameters to form a porous structure, a contact interface adopts discrete dot matrix scanning to form weak connection, and a transition layer with gradually-changed parameters is arranged between the supporting main body and the contact interface; a composite supporting structure composed of hexagonal honeycomb units and vertical thin walls is generated; in the printing process, high-frequency micro-vibration is applied to the support to improve powder fluidity, and sweep-frequency vibration is applied to the interface layer to weaken interface bonding; thermal cycle treatment is carried out after printing, and interface automatic cracking is achieved through the difference of thermal expansion coefficients; and finally, support falling is accelerated through resonance frequency vibration. Through the synergistic effect of the scanning parameter gradient, the structure optimization design and the vibration auxiliary technology, the removability of the support is remarkably improved, the material consumption is reduced, and the surface quality of the part is improved.

The invention belongs to the field of intelligent inspection of power equipment, and particularly relates to a transformer substation unmanned aerial vehicle dual-light inspection route planning method. According to the method, original laser point cloud of substation equipment is simplified, an equipment semantic lattice diagram containing high-altitude environment attributes and equipment semantic tags is constructed, dual-light inspection constraint parameters, namely infrared temperature precision and visible light resolution, are analyzed, and a semantic-environment dual-constraint initial route is generated; and flight and dual-light equipment parameters are dynamically adjusted in combination with a high-altitude environment, and routing inspection coverage completeness and data qualification are ensured through semantic weight driven dynamic obstacle avoidance and dual-light data quality closed-loop verification. According to the method, the route coverage is larger than or equal to 99%, the dual-light data qualification rate is larger than or equal to 95%, the redundant route mileage is reduced by 30%, the method is adaptive to a high-altitude transformer substation suspension type porcelain insulator and composite insulator dual-light inspection scene, and high-quality data support is provided for joint detection of insulator infrared thermal defects and visible light surface defects.

The invention discloses a music teaching touch device for blind people, which comprises a supporting seat and a teaching touch seat, and a plurality of dynamic dot matrix seats are arranged on the teaching touch seat in an array. Three rows and two columns of flexible pads are arranged at the top of each dynamic dot matrix base to form a Braille display matrix, and an electromagnetic plunger assembly is arranged below each dynamic dot matrix base to independently drive each dot position to protrude and reset, so that dynamic display of music Braille and graphs is achieved. The bottom of the dynamic dot matrix seat is connected through a silica gel bowl, and a conducting strip is arranged in the bowl and can be in contact with a corresponding conducting material on a circuit board in the teaching touch seat. When a user presses the dynamic dot matrix seat displaying specific notes, pitch sounding of the notes is triggered. According to the invention, the dynamic tactile display function and the pressing input function are integrated, so that refreshing and interactive learning of the braille music score are realized, and a multi-mode feedback closed loop is realized through tactile sense, auditory sense and operation.

The invention relates to computer aided design, and discloses a Braille printing method and system combined with 3D relief, and the method comprises the steps: carrying out the connection and fusion of a concave-convex topographic map and a multi-level depth map corresponding to each Braille dot matrix, and generating a dual-channel depth map as a printing pattern; controlling the 3D printing system to spray resin on the printing substrate based on the printing pattern read by the light field modulator, and scanning the surface of the resin by laser aiming at the braille dot matrix area to form a concave-convex structure corresponding to the concave-convex topographic map; on the adjacent side of the braille dot matrix area, a multi-wavelength DLP projection system is used for executing layered exposure, the embossment structure represented by the multi-level depth map is projected to the resin layer, and an embossment model is formed; and performing global curing on the whole printed piece based on ultraviolet light to form an integrated finished product of braille alphabets and 3D embossments. The invention further discloses a computer readable storage medium. The method aims at efficiently manufacturing seamless and high-precision multi-layer 3D embossment integrated finished products of braille alphabets and related semantics.

The invention relates to the technical field of additive manufacturing, and discloses a dot matrix model processing method and system based on additive manufacturing constraints. The method comprises the following steps: firstly, reading an initial dot matrix model, discretizing the initial dot matrix model into a combination of nodes and rod elements, and constructing bidirectional association mapping of a topology layer and a space layer; secondly, abstracting constraints such as a suspension angle and a minimum size into a geometric constraint model according to an additive manufacturing scene and performance requirements, quantifying a violation degree through a cost function, and identifying rod elements needing to be corrected; and finally, a hierarchical scheduling strategy is adopted, topological integrity correction, additive manufacturing constraint correction and performance target optimization are executed in sequence, and accurate correction is achieved in combination with the correction operator library. According to the method, the rod element is used as the minimum correction unit, the limitation of a traditional cell element configuration is broken through, the problems that in the prior art, the design freedom degree is low, constraint correction universality is insufficient, and efficiency is low are solved, the original structure performance is reserved to the maximum extent while the process compliance is guaranteed, and efficient and high-quality manufacturability processing of a large-scale lattice structure is achieved.

The invention discloses a password point coordinate recognition method and device based on an actual grid dot matrix of a gesture password, and the method comprises the steps: obtaining an interface image used for inputting the actual grid dot matrix of the gesture password, carrying out the matching of a password point pattern in a template image with the interface image, and obtaining a matching result, determining a unique candidate point corresponding to each password point in the interface image based on a matching result, and constructing a theoretical grid dot matrix according to a preset interval; the theoretical password points are matched with all the unique candidate points, whether the unique candidate points serving as supporting points exist or not is determined, and the number of the supporting points and corresponding matching quality scores are counted; and based on the number of the support points existing in each theoretical grid dot matrix and the corresponding matching mass score, determining the theoretical grid dot matrix matched with the actual grid dot matrix, and calculating the coordinates of the theoretical password points of the theoretical grid dot matrix as the coordinates of the corresponding password points in the actual grid dot matrix. According to the invention, automatic identification and analysis of the gesture password interface can be realized.

The application discloses a projection interaction method, system, device, storage medium and program product. The projection interaction method comprises the following steps: a projection unit collects a real-time image of a projection picture, and determines a control signal emitted by an optical remote control unit according to the real-time image; a position indicated by the optical remote control unit in the projection picture is determined based on invisible light signals in the control signal; coordinates of the indicated position in an optical dot matrix are determined, and a control corresponding to the coordinates in the projection picture is determined, and an operation instruction corresponding to the control is executed. In the projection interaction method provided by the application, the projection unit can directly determine the position indicated by the optical remote control unit in the projection picture according to the invisible light signals in the projection picture, so as to determine and execute the operation instruction of the control corresponding to the indicated position. Compared with the relatively limited interaction operation in the prior art, the application realizes the interaction operation with the projection picture by determining the invisible light signals, so that the flexibility of the interaction operation is improved.

The embodiment of the present application discloses an image processing method and device, the method comprises: processing a first dot matrix image composed of first black pixels and having a resolution of K into a first contour image and a sub-image inside the first contour image; extracting a tilted image segment from the first contour image, processing the tilted image segment to obtain a second contour image; and combining the second contour image and the sub-image to form a second dot matrix image. Since the sawtooth phenomenon of the tilted line segment of the second contour image will disappear after printing, the tilted line segment of the second contour image is smoother. The image processing method and device can make the tilted image segment of the contour of the second dot matrix image to be exposed smoother, and the sawtooth phenomenon disappears after printing.

This invention discloses a method for embedding a hidden two-dimensional dot matrix watermark using a splicable, cut-out, and fully embedded method. It includes: (1) data normalization encoding; (2) data information signature; (3) multiple error detection and correction encoding; (4) two-dimensional dot matrix; (5) pseudo-random scrambling of the dot matrix data; (6) scale matching with the associated carrier image; (7) generation of a two-dimensional dot matrix point cloud; and (8) embedding the hidden two-dimensional dot matrix point cloud into the associated carrier image. This invention is an information hiding method based on the combination of reliability encoding and printed image processing in modern communication technology using two-dimensional coded dot matrices. It can hide anti-counterfeiting marks, images, or text within printed images to achieve information anti-counterfeiting and information traceability. This method improves the anti-attack capability of the two-dimensional dot matrix and overcomes the problem of unreadable information caused by image damage or misjudgment during printing and optical image acquisition.

The invention relates to a lattice structure performance homogenization calculation method based on a processing path. The lattice structure performance homogenization calculation method comprises the following steps: constructing a track morphology field based on bounding box size information of lattice cells, processing path information and a processing path process database; carrying out pixel / voxelization on the bounding box of the lattice cells; calculating the area / volume fraction of the unit based on the function value of each node in the trajectory morphology field, and obtaining a finite element grid after screening; the processing path is used as input, so that tedious model format conversion, curved surface subdivision and line cluster intersection operation are avoided; the finite element grids are numbered, and material attributes of units are calculated according to an SIMP mode to construct a finite element grid topological relation; a grid containing an area fraction is used as a homogenization representative volume unit, under the loading condition of considering six unit strain inputs, microscopic strain is substituted into a homogenization integral formula, and a macroscopic equivalent elastic tensor is calculated, so that the convergence speed and precision can be effectively improved.

The invention relates to the technical field of thermal printing equipment control, in particular to a dynamic temperature-adjusting thermal printing method and equipment based on an upper computer and a USB bridging chip. The method comprises the steps that original printing content and operation parameters are obtained, field naming standardization, data type unification and default value filling processing are carried out, and a standardized structure is generated; based on the bound physical resolution of the printing head, configuring a rasterization step length and a line buffer size, and generating a printing dot matrix and a basic control parameter set; the concentration, the temperature, the speed and the voltage are correlated and sorted, a temperature adjusting field is generated, and a control signal sequence and dynamic pulse width configuration are obtained through dynamic pulse width calculation; and finally, configuring USB-to-GPIO bridging chip pin mapping, initializing a bus session, setting an output mode, and generating an updated operation parameter set. Fine dynamic temperature adjustment of the printing head is achieved, the printing quality consistency and the equipment reliability are effectively improved, overheating damage is avoided, meanwhile, the hardware architecture is simplified, and the cost is reduced.

The invention discloses a power distribution network intelligent mapping method based on dot matrix layout and dynamic weight, and relates to the technical field of distribution network mapping, and the method comprises the steps: constructing a dot matrix layout system corresponding to a power distribution network; the dot matrix layout system is divided into a plurality of uniformly distributed dot matrix units through regional gridding topographic factor correction equipment density feedback three-level calculation by taking geographic coordinates of a region where the power distribution network is located as a reference; the method specifically comprises the following steps: after gridding preliminary division, correcting the side length in combination with topographic factors, and then performing iterative adjustment according to equipment density; the self-adaptive smoothing processing is based on GIS vector topographic data, and a boundary is fitted through a Bezier curve; according to the method, the real-time performance and the accuracy of the mapping in a complex environment and an emergency scene are ensured by combining precision verification, on the whole, the intelligent, high-precision and efficient dynamic updating of the mapping of the power distribution network is realized, and the operation and maintenance efficiency, the emergency response speed and the fault processing capability of the distribution network are remarkably improved.

The present application relates to a kind of thin-walled curved surface porous part design method for laser selective melting technology, specific steps include: S1, preparation thin-walled curved surface model;S2, construct fill cell;S3, curvature analysis is carried out to thin-walled curved surface model and optimize filling direction: the curvature analysis of thin-walled section is carried out to thin-walled curved surface structure in step S1, combine the short side filling vector n h Optimization and determine filling direction;S4, construct thin-walled curved surface porous model: construct the space dot matrix structure with cell body as porous unit, revise the geometric line surface relationship of cell dot matrix, based on filling scheme, carry out porous construction to thin-walled curved surface model by Boolean intersection operation;S5, additive manufacturing.The thin-walled curved surface porous part design method for additive manufacturing provided by the present application can solve the problem of laser selective melting thin-walled curved surface porous structure processing difficulty.

This invention discloses a beam expander lens for laser scanning projection, relating to the field of laser projection display technology. It includes a first lens group, a second lens group, a third lens group, and a fourth lens group, arranged sequentially along the optical axis. These four lens groups together form the complete lens. The first, second, third, and fourth lens groups are arranged in a positive-negative-negative-negative optical power configuration. Through innovative optical architecture and optical power allocation, a large-angle beam expander function is achieved within a space of less than 35mm in total length, greatly saving internal space. By utilizing the chromatic aberration correction capability of the first lens group and the aberration correction capabilities of the second, third, and fourth lens groups, high-contrast imaging is achieved across the entire field of view and wavelength range, with concentrated dot matrix energy, meeting the requirements of high-resolution projection.

The application relates to an intelligent morning inspection device, which comprises a device main body, a display screen arranged on the device main body, a first image sensor arranged on the device main body, a structured light sensor and an information collection table, a sealing cover arranged on the information collection table and used for forming a closed space on the information collection table, a second image sensor located in the closed space and a controller, the controller is in data interaction with the first image sensor, the second image sensor and the structured light sensor, and is used for carrying out identity recognition, living body authentication and identification of an abnormal area in a hand image of a feature object, the first image sensor is used for collecting facial information of the feature object, the structured light sensor is used for projecting dot matrix information to two-dimensional information of the face of the feature object, and the second image sensor is used for collecting the hand image of the feature object. The intelligent morning inspection device disclosed by the application realizes the uniqueness of personnel identity and the faster detection passing speed by combining the living body recognition and the local comparison detection mode.

The application relates to a self-defined lattice structure and a preparation method thereof, and belongs to the technical field of structure design, which solves the problems that the existing lattice structure is prone to stress concentration and the whole is prone to overall fracture due to the fracture of connecting rods of lattice cells. The self-defined lattice structure and the preparation method thereof comprise a plurality of lattice cells arranged in an array, the lattice cell comprises a first frame, a second frame and a third frame, the third frame is connected with the second frame, the second frame is sleeved on the first frame, and the third frame is sleeved on the second frame. The self-defined lattice structure and the preparation method thereof provided by the application are favorable for reducing stress concentration, solving the problem that the whole is prone to overall fracture due to the fracture of connecting rods of lattice cells, and improving compression strength.

The invention discloses a zero-order-eliminating large-point projector based on a polarization conversion metasurface and a design method thereof, and belongs to the field of optical devices. The zero-order-eliminating large-point projector comprises a linear polarization VCSEL dot matrix light source and a metasurface diffraction device; the metasurface diffraction device comprises a two-in-one metasurface structure layer and a linear polaroid layer. The two-in-one metasurface structure layer collimates and splits incident dot matrix light beams generated by the linear polarization VCSEL dot matrix light source at the same time through superposition collimation phase distribution and Dammann light splitting phase distribution, and large-point copying and splicing of the incident dot matrix light beams in a far field are achieved. The linear polaroid layer carries out cross polarization modulation on light beams, so that the polarization states of modulated light and incident light are orthogonal, zero-order light which is not modulated is filtered out, and therefore the problem that a large-point-number two-in-one projector is seriously affected by zero order is solved. The system is compact in structure and low in installation and adjustment cost, interference of zero-order light is inhibited in principle, and the system is suitable for meeting the requirements of thousands to tens of thousands of speckle spots required by the market.

The utility model relates to a dot matrix scanning type focused ultrasound beauty instrument which comprises a shell, a main control board, a swing arm, a magnet device and a focused ultrasound transducer installed at the follow-up end of the swing arm are arranged in the shell. A rotary mounting part is arranged in the middle of the swinging arm, one side of the rotary mounting part is a driving end, and the other side is a follow-up end; the driving end is provided with a coil claw, and a driving coil is installed in the coil claw. The follow-up end extends outwards to form a mounting seat, and a focused ultrasonic transducer is mounted on the mounting seat; the magnet device comprises a base and a shielding cover; a bottom driving magnet is fixed on the inner side of the base, a top driving magnet is fixed on the inner side of the shielding cover, the bottom driving magnet and the top driving magnet are arranged at an interval, and a part of the driving coil is located in a channel between the bottom driving magnet and the top driving magnet; and the rotary mounting part of the swinging arm is rotationally connected with the base of the magnet device. According to the utility model, pulse output and accurate positioning scanning of focused ultrasound are realized, and the use effect is improved.

The present application relates to a kind of dynamic display methods of combination automobile instrument display pattern, comprising the following steps: the mirror image surface of the display surface of first dot matrix color display screen formed by the first side of light processing board substantially overlaps with the display surface of second dot matrix color display screen;Control unit is connected with first, second dot matrix color display screen signal respectively;Using control unit, one of two dot matrix color display screens is controlled to display first display pattern according to coordinate correspondence relationship, and another one displays corresponding second display pattern;When the position of display pattern on one of dot matrix color display screen is changed using control unit, control unit determines the new position of corresponding display pattern of this display pattern on another dot matrix color display screen according to coordinate correspondence relationship, and displays the corresponding display pattern at the new position.The present application can make two display patterns always combination display, ensure that driver can clearly obtain instrument information.

The invention discloses an air bag soft package control system based on multiple sensors and a furniture seat with the system in the technical field of intelligent furniture, and the system comprises a soft package assembly which comprises a plurality of air bag units distributed in a dot matrix shape; the sensors are fixedly arranged at the bottoms of the air bag units in a one-to-one correspondence mode and used for collecting human body pressure data acting on the air bag units; the inflation and deflation assembly comprises a plurality of inflation and deflation units arranged at the bottoms of the air bag units in a one-to-one correspondence mode, and the inflation and deflation units are used for executing inflation or deflation operation on the corresponding air bag units; the control unit is in communication connection with the sensor and the inflation and deflation assembly. According to the system, the dot-matrix air bag units are adopted in the soft package assembly, a plurality of dot-matrix cavities are further formed in each air bag unit, local supporting can be achieved according to the actual contact area of the human body, the supporting precision is high, the fitting performance is good, and the riding comfort is effectively improved.

The invention discloses a printing control method and electronic equipment. The method comprises the following steps: acquiring to-be-printed data; the coding type and the language type of the to-be-printed data are analyzed; selecting word stock processing channels based on the coding type and the language type, wherein the word stock processing channels comprise a dot matrix word stock processing channel and a vector word stock processing channel containing an integer rendering process; the to-be-printed data is converted into printing dot matrix data through the word stock processing channel; printing is completed based on the printing dot matrix data. According to the method, by establishing a dot matrix and vector mixed font library processing architecture and based on coding and language type intelligent routing, the problems of font deformation and stacking display of a complex language family are solved by utilizing a shaping rendering engine while high-speed printing of basic characters is guaranteed, and the balance of the printing speed and the output quality in a resource limited environment is realized.