70results about How to "Save running space" patented technology

Provided are an excavating device and an excavating method of binary system program loopholes. The excavating device is provided with a static analysis module, a debugger module, a genetic algorithm module, a test input generation module and an abnormal monitoring module which are sequentially connected and a dynamic pollution tracking module located between the debugger module and the genetic algorithm module. The excavating device is guided to generate a test case by aid of a fitness function of the genetic algorithm, the multi-objective fitness function is designed, and the test case is evaluated in view of quantification. Dynamic pollution tracking is used for identifying key bytes in input files to narrow search space of the genetic algorithm. The excavating device combines advantages of the genetic algorithm and the dynamic pollution tracking and is guided to generate the test case, so that the generated test case is strong in pertinence, generated test data are high in accuracy and efficiency, further qualitative analysis and quantitative calculation are combined, and therefore path explosion in binary system program testing based on the symbolic execution and constraint solving technology is avoided.

The invention discloses a control system for stabilizing and reducing swing through a tuning heaving plate of a deep-water dynamic-positioning semi-submersible platform, and relates to a tuning heaving plate system of the deep-water semi-submersible platform. Lower ends of two platform stand columns on the same side of a deck of the semi-submersible platform are fixedly connected with a platform floating box, and the tuning heaving plate systems are respectively mounted at the bottom of the platform floating box and directly under the platform stand columns; each of the tuning heaving plate systems comprises a heaving plate, connecting truss frames, a restoring spring, active variable damping devices and limiting springs. According to the control system disclosed by the invention, a heaving response can be controlled or the rolling freedom degree or the pitching freedom degree can be stabilized respectively by regulating the rigidity of the restoring springs according to marine conditions or actual requirements, so that a motion response of the freedom degree of a perpendicular plane which cannot be controlled by a dynamic positioning system is controlled, and the semi-submersible platform is suitable for worse marine conditions.

The invention relates to a complex makeup migration method based on facial analysis and illumination migration. Facial analysis is combined with an illumination migration algorithm and a makeup migration algorithm. The method comprises the following steps: firstly, carrying out whitening and buffing preprocessing on an input face image by using a color balance and bilateral filtering algorithm; secondly, migrating makeup of the reference face image to the input face image by utilizing a face analysis and facial makeup migration algorithm, and finally migrating illumination of the reference face image to the input face image by utilizing an illumination migration algorithm to complete migration of complex facial makeup. The method is very easy to realize through software, and can be widelyapplied and popularized to computer vision, visual design, digital entertainment, film production and the like.

The invention discloses a trolley capable of achieving mold replacement by automatic operation. The trolley comprises a trolley body, wherein four universal wheels are arranged at the lower end of thetrolley body; the trolley is characterized in that each of the two side centers of the lower end of the trolley body is correspondingly provided with a driving travelling device, the upper end of thetrolley body is provided with an exchange workbench, and a PLC control system and a power supply are arranged on the trolley body; and the power supply supplies power to the PLC control system so asto automatically control the driving travelling devices to act through the PLC control system, and then the trolley body is driven to go straight or make a turn. According to the trolley, due to the adoption of the structure, the trolley has the advantages that the structure is novel, the turning radius is small, the operation space is small, the stability is high, the time of the mold replacementis short, and the working efficiency is high.

The invention provides an object image relighting method based on block-matching transformation and color transfer. A block-matching algorithm and a color transformation algorithm are combined with local and global lighting transfer models; on the premise of keeping the lighting condition of a reference image constant, the color of the reference image is changed by the color transformation algorithm, so that the color of the reference image is consistent with the color of an input image; and since colors have relatively great influences on image lighting transfer, the influences of the colors on later lighting transfer processing can be lowered greatly in the above way. After the influences of color factors on results are lowered greatly, the reference image is deformed by the block-matching algorithm, so that the shape of the reference image is matched with an object in the input image. Finally, the input image and the transformed reference image are subjected to lighting transfer through local and global affine transformation, so that relighting of the input image is finished. The method is very easy to implement through software, and can be popularized and applied to a wide variety of fields such as computer vision, visual design, digital entertainment and film producing.

The invention discloses an improved roots vacuum pump which comprises a shell, a rotor cavity, an inner sleeve and a cooling cavity, wherein a partition plate is connected in the cooling cavity; the cooling cavity is divided by the partition plate into a first cooling water channel on the inner side and a second cooling water channel on the outer side; the first cooling water channel is connectedto a water inlet in a penetrating manner; the second cooling water channel is connected to a water outlet in a penetrating manner; a cylindrical cavity is formed in the bottom of the cooling cavity; aresidue storage tank is connected below the cylindrical cavity in a penetrating manner; a rotary shaft is inserted into the cylindrical cavity; a rotary knob is connected to the outer side of the rotary shaft; the part, located on the inner side of the cylindrical cavity, of the rotary shaft is connected to a first metal frame; a second metal frame is also connected to the rotary shaft; the second metal frame and the first metal frame are mutually perpendicular, an arc-shaped panel is fixedly connected to the outer side of the second metal frame, brushing hairs are connected to the outer sideof the arc-shaped plate, and an arc-shape screen is connected to the outer side of one end of the first metal frame. According to the improved roots vacuum pump disclosed by the invention, defects inthe prior art can be improved, and blockage of the cooling water channels as a result of metal residues of the cooling cavity of the pump can be prevented.

The invention provides a side hanging type air rail train bogie, and belongs to the technical field of air rail transit vehicle engineering. A frame of the bogie is of an I-shaped structure. A crossbeam of the bogie is of a spindle-shaped structure with a waist in the middle portion, and vertical forks are arranged on the two ends of the crossbeam. A longitudinal beam is of a flat structure, and the left and right sides of the longitudinal beam are provided with an axle. The two ends of the axle and an axle box on the crossbeam are fixed through bearing bushes. The outer portion of the axle isprovided with a segmented outer axle and a gear transmission box. The axle in the gear transmission box is connected with the segmented outer axle through a bearing. A vibration damping mechanism isarranged in the middle portion of a vertical plane of the longitudinal beam. Two transverse springs are connected with a transverse spring mounting base in the center of a bolster. A pull rod supporting seat is arranged in the middle portion. One end of a vertical spring pull rod is fixed with the longitudinal beam through a vertical pull rod supporting seat, and the other end of the vertical spring pull rod is connected with the vertical pull rod supporting seat in the inner side of the bolster. The leg in the middle portion of the bolster is connected with one end of a longitudinal pull rodin a pin mode through a pin shaft, and the pulling power of a pulling motor is connected with a lateral wheel on the outer axle by the gear transmission box.

The invention relates to a method and system for obtaining a program symbol table. The method includes: extracting symbol table information in program debugging information, storing the symbol table information in a symbol table source file; compiling the symbol table source file to generate a symbol table dynamic link library; running the program and loading the symbol Table dynamic link library, get the program symbol table. The present invention does not need manual search to obtain the symbol table, and does not increase the space of the program at the same time, which effectively solves the problem that the existing program symbol table acquisition method causes the program to occupy a large space and the acquisition efficiency is low, saves the program running space, and improves the efficiency of the program. In order to obtain the efficiency of the symbol table.

The embodiment of the invention provides a system cascading method and a data processing method and device. The system cascading method comprises the steps of obtaining a to-be-cascaded first data object and a target cascading system in a to-be-cascaded system; creating a second data object in the target cascade system; establishing a mapping relationship between the first data object and the second data object; and based on the mapping relationship, uploading the data content corresponding to the first data object to the second data object, so that the target cascade system extracts the data content corresponding to the first data object from the second data object based on the mapping relationship. Through the system cascading method provided by the invention, the operation environment can be better adapted in a complex scene, the number of processes needing to be maintained and the time cost of troubleshooting are reduced, and the logic burden of a subordinate system and the burden on a physical server CPU are relieved.

The embodiment of the invention discloses a message input method, a message output method, message receiving and transmitting equipment, a computer readable storage medium, an input interface, an output interface, a vehicle control unit and a vehicle. The message input method comprises the following steps: receiving analysis configuration information; receiving an input message sent by the bottomlayer; judging whether the input message is analyzed or not according to the analysis configuration information; when it is judged that the input message is analyzed, executing an analysis operation to analyze the input message into an input signal; and transmitting the input signal. By setting and analyzing the configuration information, whether the input messages are analyzed or not can be configured in a calibration mode, so that input message analysis of different vehicle types is managed, a universal and simple analysis scheme does not need to be adopted for all the vehicle types, pertinence is high, unnecessary repeated work can be reduced, time and software operation space are saved, and management is convenient. When different vehicle types are switched, only the configuration information needs to be correspondingly configured and analyzed, the application layer can independently control message receiving, and the bottom layer cannot be changed.

A large-scale decomposition-based outdoor scene relighting method provided by the present invention comprises the steps of processing an input image, coloring the image according to the materials andthe content in the image, manually generating a mask image of the input image, and then for a reference image, selecting a Patch_match method to match and deform the reference image, and decomposing the brightness layers of the input image and the reference image into the large-scale layers and the detail layers separately according to the given adaptive parameter selection mechanisms and by utilizing a weighted least square (WLS) filter, and under the guidance of the large-scale layer of the input image, carrying out the guided filter on the large-scale layer of a reference object, so that the filter result aligns at the large-scale layer of an input object structurally, and further the rendering is realized. By a point division algorithm, the fusion of the detail layers and the large-scale layers of the pre-outputted images is realized, and a final relighting result is obtained. The method is very easy to realize by a software.

The invention relates to the technical field of security doors, and discloses an IoT (Internet of Things) security door and system thereof capable of remotely collecting express delivery parcels. Thesecurity door includes a security door body. The front side of the security door body is fixedly provided with a cipher keyboard. The inside of the security door body is provided with a collecting groove. An electronic door is used for automatically closing and opening the collection groove. The inside of the security door body is provided with a mounting groove. The inside of the mounting grooveis communicated with the collecting groove. A drive device is arranged in the mounting groove. A camera is fixedly mounted on the front side of the security door body and on the top of the cipher keyboard. The IoT security door further comprises an IoT communication module, a disposable password generator, an MCU module, a motor driving module, a battery power supply and control circuit, and a FLASH memory.

The invention provides an automatic feeding mechanism, which comprises a belt line material conveying mechanism and an air cylinder feeding mechanism, wherein the belt line material conveying mechanism comprises a conveying belt, movable machine legs, a first group of guide rails, a first air cylinder and a second group of guide rails; at least two rolling wheels are arranged at two sides of one end, near an upper cabin door of a material cabin, of the conveying belt; the rolling wheels are put onto the second group of guide rails; the lower ends of the movable machine legs are provided with at least two rolling wheels; the movable machine legs are put on the first group of guide rails through the rolling wheels arranged on the machine legs; the air cylinder feeding mechanism consists of a material cabin, a second air cylinder, a machine frame, a furnace door combination and a third group of guide rails; the material cabin is arranged on a table top of the machine frame; the material cabin is not provided with a bottom; a feeding opening matched with the bottom of the material cabin is formed in the table top; the second air cylinder is horizontally arranged on an air cylinder installing post of the machine frame; and the end part of a piston rod of the second air cylinder is arranged on a door framework. The automatic feeding mechanism has the advantages that the structure is simple; the operation space of equipment is small; the automation degree is high; the production efficiency is improved; and the production cost is reduced.

The invention relates to the technical field of air conditioners, in particular to an air conditioner base and an air conditioner. The air conditioner base comprises an upper base part, a lower base part and a moving part; the moving part comprises a driving box, a telescopic rod mechanism and a driving mechanism, the driving mechanism comprises a crank mechanism and a connecting rod mechanism, and the connecting rod mechanism is in transmission connection with the telescopic rod mechanism and the crank mechanism; the crank mechanism rotates to drive the connecting rod mechanism, and the telescopic rod mechanism is suitable for telescopically moving relative to the driving box through the connecting rod mechanism; when the telescopic rod mechanism extends out, the lower base part is far away from the upper base part; and when the telescopic rod mechanism retracts, the lower base part is close to the upper base part. According to the air conditioner base and the air conditioner, automatic pushing and folding of the lower base part are achieved by using the moving part small in occupied space, and a user can disassemble, assemble and clean the lower base part conveniently.

Disclosed is a gas mixing device of a burner. The gas mixing device of the burner comprises a gas mixing cavity, wherein a burner fan and a metal fiber burner head are communicated through the gas mixing cavity, and a fuel gas outlet assembly is arranged in an air outlet, connected with the burner fan, of the gas mixing cavity. The fuel gas outlet assembly comprises a fuel gas outlet pipe and a baffle, wherein the fuel gas outlet pipe is arranged in the air outlet and is communicated with a fuel gas inlet connector of the burner, and the baffle stretches into the gas mixing cavity from the air outlet of the burner fan through the fuel gas outlet pipe. According to the invention, the length of a non-combustion area of the burner head is effectively reduced, uniform gas mixing can be achieved in the short distance, the flame distribution is uniform, the capacity of the gas mixing device for adapting to different brands of burners is quite high, the problem that the difference of the air volumes in the peripheral direction of burner heads of different burners is large can be conveniently solved by the same structure, uniform distribution of flames of the burner head is facilitated, the pressure relief function is fulfilled under the condition of tempering, the phenomenon that a safety accident happens due to the damage to the burner fan is avoided, the equipment installation and running space is saved, and the cost is reduced.

The invention discloses a walking mechanism capable of actively steering and a screen printer. The walking mechanism capable of actively steering comprises a walking mechanism body, a steering induction device for judging steering information of the walking mechanism body, walking wheels, drive devices for driving the walking wheels to rotate, a PLC (Programmable Logic Controller) device for controlling working conditions of the drive devices, and a lifting device for controlling the walking mechanism body to lift up and down, wherein the walking wheels are arranged on the bottom part of the walking mechanism body and are connected with the drive devices; and the lifting device and the steering induction device are electrically connected with the PLC device. The walking mechanism capable of actively steering also comprises a guiding belt, wherein a guiding sensor for monitoring a relative position between the walking mechanism body and the guiding belt is arranged on the walking mechanism body, and is electrically connected with the PLC device, so that the walking mechanism can actively steer according to a specific route without the need for an extra rotary table mechanism, the operation space of the equipment is saved, and the equipment cost is reduced.

The invention relates to the field of minisize robots, in particular to a propelling device of a minisize swimming robot. The propelling device comprises a head portion in a spheroid shape, a connection part and a tail portion; a minisize motor, energy devices, a minisize controller and sensors are installed in the head portion; the head portion and the tail portion are connected through the connection part; the connection part comprises two conical helix lines, center lines of the two conical helix lines coincide and intersect for forming a conical double helix structure, the small end of the connection part is connected with the minisize motor in the head portion, and the large end of the connection part is connected with the tail portion; the tail portion comprises two helix lines, and center lines of the two helix lines coincide and intersect for forming a cylindrical double helix structure, By means of the propelling device of the minisize swimming robot, the swimming speed of the minisize robot is greatly raised, the structure is concise and compact, the manufacturing difficulty is low, the required operation space is small, the system structure is stable, and high robustness and adaptability are achieved.

The invention discloses a transmission device for driving a plurality of segmented floatable rollers. The transmission device comprises a main shaft driven to rotate by a driving device, and a plurality of segmented rollers, wherein each segmented roller is in power connection with the main shaft through a set of independent belt transmission mechanism, and besides, each segmented roller is drivenby the main shaft to rotate; and each segmented roller is further arranged on the main shaft in a floating mode through one or more sets of floating mechanisms, so that each segmented roller can float up and down independently and freely. The relative positions of the axes of the segmented rollers can be continuously changed in the running state, power of all the segmented rollers is only input by one driving, and the upper limit of the rotating speed can be greatly increased. The transmission device has the advantages that: 1, one motor drives the segmented rollers with staggered axes to rotate; 2, the device can be used in high-rotating-speed occasions; 3, the cost and the operation space are saved for multi-shaft transmission; and 4, the device can be applied to compact-structure occasions.

The invention relates to an extinction device, and belongs to the technical field of visibility measurement. The extinction device comprises an extinction cylinder and an extinction hollow ball; the extinction cylinder comprises an incident port for stray light to enter, an extinction cylinder wall for reflecting the stray light for multiple times, and an emergent port for outputting the stray light; and the extinction hollow ball is connected with the extinction cylinder in an optical sealing manner. The extinction device disclosed by the invention can be used for consuming the strength of stray light in visibility measurement; after the extinction device absorbs the stray light, the stray light can be prevented and reduced from entering a receiving end, the influence of the stray light on a measurement result is avoided, the accuracy of a visibility measurement result is improved, and through the extinction device, the space required by normal operation of the visibility measurementinstrument can be simply and conveniently saved.

The invention provides a quick character rendering method for an embedded system, which comprises the following steps of: initializing each character in a font library file, generating a vector bitmap corresponding to each character, and loading the vector bitmap into a target machine memory; according to the requirement of the initial display interface, characters to be rendered are selected, an initial texture cache is created, the initial texture cache at least comprises one texture cache partition, and vector bitmaps of the characters of the same font and the same font size are stored in the texture cache partitions; when the display interface is changed, on the basis of the to-be-rendered characters in the new display interface, the texture cache of the previous display interface is updated to form a new texture cache, and the to-be-rendered characters in the new display interface are rendered and displayed. According to the rapid character rendering method, rapid calling and rendering display can be achieved, the process that the characters on the display interface are read and rendered again from the font library file is reduced, the rendering efficiency is improved, meanwhile, the operation and storage space is saved, and it is guaranteed that an embedded system operates safely and reliably.