58results about How to "Increase space size" patented technology

The invention discloses a cache replacement method under heterogeneous memory environment. The method is characterized by comprising the steps: adding one source flag bit in a cache line hardware structure for flagging whether cache line data is derived from a DRAM (Dynamic Random Access Memory) or a PCM (Phase Change Memory); adding a new sample storage unit in a CPU (Central Processing Unit) for recording program cache access behaviors and data reusing range information; the method also comprises three sub methods including a sampling method, an equivalent position calculation method and a replacement method, wherein the sampling sub method is used for performing sampling statistics on the cache access behaviors; the equivalent position calculation sub method is used for calculating equivalent positions, and the replacement sub method is used for determining a cache line needing to be replaced. According to the cache replacement method, for the cache access characteristic of a program under the heterogeneous memory environment, a traditional cache replacement policy is optimized, the high time delay cost that the PCM needs to be accessed due to cache missing can be reduced by implementing the cache replacement method, and thus the cache access performance of a whole system is improved.

A dynamic self-adaptive grid data migration method is a dynamic self-adaptive mechanism when the grid data are required to migrate, which is mainly composed of a data migration controller, a target node selector, an index analyzer, a data migration operation kernel, and the like. When the data at a certain node in the grid cannot conform to the data service quality of the current user, or cause the network bandwidth waste, the data at the node are required to migrate at this time, by selecting factors such as the band-width the node reaches, the local management system property of the node, the data access load of the node and the size of the data to be migrated at present, and then preprocessing these factors, using the gene expression programming algorithm idea to dig out the functional relation between the target node and these factors, thereby the selection of the target node can be better executed by the functional relation obtained by digging.

The invention discloses a flux-switching linear motor based rail transit velocity fluctuation inhibition method. Metro vehicles can operate in variable speeds and constant speeds during operation; in order to achieve the purpose of inhibiting positioning forces and velocity fluctuation, when the metro vehicles operate in variable speeds, a novel control strategy that a method of a position x-domain repetitive controller in combination with an R-PI regulator is used to inhibit the positioning forces is provided, wherein the method comprises the steps that firstly, a time-varying t-domain signal is converted into an x-domain signal with a fixed cycle, and the x-domain signal is subjected to designing of the repetitive controller; when the metro vehicles operate in constant speeds, the method of a time t-domain repetitive controller in combination with the R-PI regulator is used; meanwhile, in order to accurately obtain position and speed information of a linear flux-switching permanent magnet motor (LFSPM), a position recursive control algorithm is provided for replacing position sensor technology.

The invention discloses a data memory system and method and relates to a continuous data protection system for data management. The system disclosed by the invention comprises a detection module, a task scheduling module, a temporary cache processing module and an index module, wherein the detection module is used for detecting the cache status of a cache region in real time; the task scheduling module is used for triggering the cache region to carry out cache operation when the cache status of the cache region is normal and triggering the temporary cache processing module to carry out cache operation when the cache status of the cache region is busy; the temporary cache processing module is used for dividing a temporary cache space from a nonvolatile memory and caching the incremental data of the current disk into the temporary cache space while receiving the cache operation triggered by the task scheduling module; and the index module is used for recording index information of cached incremental data of the disk in sequence, wherein the cache information at least comprises cache location, cache time and original address of the incremental data of the disk. According to the technical scheme of the invention, the data cache space can be expanded effectively and flexibly, and the reliability of the cache data can be improved simultaneously.

The invention discloses a data storage method, device and system, computer equipment and a storage medium, and the method comprises the steps: processing a write-in request of to-be-stored data in a memory, and caching the to-be-stored data in the memory; when the data cached in the memory reaches a first preset threshold value, converting the to-be-stored data in the memory into a multi-layer matrix array with an index, and storing the multi-layer matrix array in a storage layer of a matrix storage structure preset in the nonvolatile storage equipment; and when the data in the nonvolatile storage device reaches a second preset threshold value, performing merging processing on the data stored in the nonvolatile storage device, and writing the data into the next layer of the merging tree structure. According to the inventionmethod, the read-write performance of the system can be ensured, and the space size of each layer is increased, so that the write-amplification performance cost of the system caused by the multilayer log structure tree structure is solved, and the system fluctuation and the pause delay are reduced.

The invention discloses a position-sensor-free control method for a transformer substation patrol robot. The method comprises the steps that before the robot is started, voltage pulses are applied to a driving motor of the robot two times, a responsive inductance value is solved according to the current change rate detected by a current sensor, and then the rotor position angle of the driving motor before starting of the robot is obtained by combining a judgment method of a motor rotor magnetic pole according to the function relation of the motor position angle and the inductance value. After the robot operates, motor drive is based on the SVPWM control technology, three different voltage vectors exist in the PWM period of every time, the voltage vectors correspond to different phase current change values, counter electromotive force is obtained by measuring the phase current change values corresponding to the different voltage vectors and combining voltage values, and finally the active cell position of the driving motor of the robot is obtained in real time. According to the method, the position information of the driving motor of the robot can be obtained accurately and effectively.

The invention discloses a cogging force suppression method for a flux-switching linear motor, which is used for realizing the purpose of suppressing a cogging force and velocity fluctuation by a novel repetitive controller and a position recursive control algorithm, and realizing a position-free sensing technology simultaneously. According to the cogging force suppression method, a time-varying t-domain signal is converted to an x-domain signal with a fixed period, and then the design of the repetitive controller is carried out on the x-domain signal, thus achieving the purpose of suppressing a cogging force and velocity fluctuation; meanwhile, in order to accurately obtain the position and velocity information of LFSPM, the invention puts forward that the position recursive control algorithm is used for replacing a position sensing technology simultaneously, thus the rotor position information of the flux-switching linear motor can be accurately and effectively detected in real time.

The invention provides a hyperspectral image classification method based on a self-paced learning double-flow multi-scale dense connection network, and the method comprises the following steps: 1, reading a hyperspectral image for preprocessing, including unsupervised waveband selection dimension reduction and image partitioning, and dividing a training set and a test set; 2, establishing a local spatial spectrum feature extraction branch and a global spatial feature extraction branch, adaptively fusing the features of the two branches, and finally connecting full connection and a Softmax layer; 3, respectively inputting the local image block and the global image block corresponding to the same pixel point into two branches, training an effective hyperspectral image classification model by taking a minimized cross entropy loss function as a target, and selecting training data by utilizing a self-paced learning framework; and 4, after the training is finished, inputting the test set data into the network to obtain a prediction category output by the model.

The invention discloses a fabricated building having a space capable of being largened and applying cement prefabricated components. The fabricated building comprises a first bottom plate; a pluralityof damping mechanisms are arranged at the lower end of the first bottom plate, and the upper end of the first bottom plate is fixedly connected with two transverse wall bodies; two longitudinal wallbodies are arranged between the two transverse wall bodies, and the two ends of the two longitudinal wall bodies are fixedly connected with limiting plates; the limiting plates are fixedly connected with the longitudinal wall bodies through limiting mechanisms, a plurality of limiting grooves are formed in the opposite side walls of the two transverse wall bodies correspondingly, and clamping grooves are formed in the opposite inner wallsof the limiting grooves correspondingly; partition plates are slidably connected into the clamping grooves, mounting cavities are formed in the first bottom plate, and telescopic mechanisms are arranged in the mounting cavities; two first device cavities are formed in the first bottom plate, and first baffles are slidably connected into the first device cavities; and the telescopic mechanisms are connected with the first baffles. The fabricated building is reasonable in structural design, the space of a residence can be changed to be largened, good safety performance is achieved, and the safety performance of the residence is improved.

The stator for an electric machine includes a ring-shaped stator yoke, on which stator coils, formed on winding bodies and distributed uniformly around the circumference, are mounted. The coils are wired electrically together by a wiring arrangement, which has a ring-shaped carrier element designed to be attached to the stator to hold connecting conductors. The carrier element is mounted radially with respect to the winding elements. To ensure a simple and reliable mounting of the carrier element on the stator, it is proposed that the carrier element be held in place on the winding bodies by means of a latching connection so that it cannot move in the axial direction.

This application concerns a comb (200) for a hair clipper comprising a comb portion (208) comprising a plurality of comb teeth (216) having slots formed there between for guiding hairs to a cutting element of the hair clipper. The comb portion may be configured such that, when the comb is attached to the hair clipper, a substantially wedge-shaped hair debris-receiving space is formed between the housing and the comb portion into which hair debris can flow. The comb teeth may comprise an extension portion (230) which extends generally forwardly away from the respective comb tooth in a cutting movement direction such that a connecting bar is spaced apart from a housing of the hair clipper by a greater distance than the plurality of comb teeth.

The invention relates to a heat-preservation and energy-saving fabricated house, and belongs to the technical field of fabricated houses. The heat-preservation and energy-saving assembly type house comprises a plurality of living units and a plurality of roof units, and the invention further comprises a assembling method of the heat-preservation and energy-saving assembly type house. The assembling method comprises the following steps that (1) frameworks of the living units are assembled; 2) the roof units are assembled; 3) the roof units are hoisted and the lower parts of the roof units are embedded into roof installing holes; (4) the step (1), the step (2) and the step (3) are repeated to finish the assembly of a plurality of living units and roof units; 5) two adjacent living units areplaced side by side, plugs on a water guide flange for installing a drainage pipe assembly are taken out, and then the drainage pipe assembly is installed; 6), the step (5) is repeated, the living units are assembled and arranged; 7), opening and closing doors and wallboards are installed at the corresponding positions; and 8) channel assemblies are assembled and the channel assemblies are installed at the corresponding positions. The heat-preservation and energy-saving assembly type house and the assembly method thereof have the effect that the number of rooms can be flexibly changed.

The invention relates to the technical field of storage equipment and discloses weed storage equipment convenient in space regulation. The weed storage equipment comprises a storage tank and is characterized in that a spring is fixedly connected to the left inner wall of the storage tank, a movable plate is fixedly connected to one end, away from the inner wall of the storage tank, of the spring,a first wheel is arranged at the bottom of the movable plate, a rotary shaft is rotatably connected to the top of the right wall of the storage tank, and the right end of the rotary shaft extends outof the storage tank and is fixedly connected with a rope winding handle. The weed storage equipment has the advantages that the rope winding handle rotates to drive a gear and a rope winding groove torotate so as to allow a pull rope to wind onto the rope winding groove, and accordingly the pull rope is shortened to drive the movable plate fixed at the other end of the pull rope to move towards afixed plate, the space of the storage tank is reduced, and efficient weed storage can be achieved; a plug arranged on the storage tank can convenient limit the rotation of the gear to stop the pull rope, and accordingly the required space size can be kept.

The present invention discloses a semiconductor structure and forming method of the semiconductor structure, the method comprises: providing a substrate, including a substrate and a fin on the substrate, wherein the substrate is formed with an interlayer dielectric layer, within the interlayer dielectric layer is formed with a gate opening exposing a portion of the substrate, and sidewall of the gate opening is formed a side wall; thinning a sidewall of the side wall that is away from a side of the substrate, wherein top of the side wall that is not thinned is at most flush with top of the fin; after the thinning process, forming a gate dielectric layer at bottom and the sidewall of the gate opening; forming an amorphous silicon layer on the gate dielectric layer; after the amorphous silicon layer is formed, annealing the substrate; and after the annealing process, removing the amorphous silicon layer. The method thins portion of height of the sidewall of the side wall that is away from the side of the substrate, and the top of the side wall which is not thinned is at most flush with the top of the fin, thereby reducing the probability of occurrence of an amorphous silicon layer residue problem after removal of the amorphous silicon layer.

The invention discloses an industrial pure titanium welding argon protection cabin, which comprises a rotating platform, a control device, operating gloves, a mounting seat and a glass cover, the glass cover is arranged on the mounting seat, and the glass cover is sealed and connected with the mounting seat; The rotating platform is set in the installation seat, and the control device is used to control the rotation or stop of the rotating platform. The glass cover is provided with an exhaust hole and a hand hole, and the operating gloves are inserted into the glass cover through the hand hole and sealed with the periphery of the hand hole. Putting the pure titanium workpiece in the welding protective chamber isolated from the air for welding can effectively prevent the pure titanium from contacting the air with hydrogen absorption and oxygen absorption to affect the product quality, and the product quality is stable, thereby improving the market competitiveness of the production enterprise. The structure is simple , easy to operate, easy to install and disassemble, greatly shorten the working time, thereby saving the production cost and achieving the purpose of cost reduction and efficiency increase.

The invention discloses a floating adjustment type self-suction respirator. The floating adjustment type self-suction respirator comprises a floating mechanism. According to the floating adjustment type self-suction respirator, the floating mechanism is additionally arranged, a threaded hole plate is driven to float up and down by rotating an adjusting screw rod, so that an annular floating pipe is driven to float up and down and an annular stretchable pipe is driven to do stretchable motion, and therefore a containing space of an annular containing groove is expanded, and the size of the space for depositing smoke particles is increased.

The invention provides a sound cavity support and terminal equipment. A sound cavity is arranged in the sound cavity bracket, the sound cavity is used for installing a loudspeaker, a part of the sound cavity bracket is used as an antenna unit, and the antenna unit is connected with a mainboard; the sound cavity bracket is a conductive bracket. No extra reserved space is needed for mounting the antenna, and the original space for mounting the antenna can be used as a part of the sound cavity bracket, so that the space size of the sound cavity bracket can be increased. Furthermore, the size of the sound cavity arranged in the sound cavity bracket can be increased, and the audio effect is improved. And secondly, the sound cavity bracket cannot be damaged by the antenna, so that the integrity of the sound cavity bracket is guaranteed, and the audio performance loss is avoided.

The invention discloses a power distribution cabinet convenient for combination. The power distribution cabinet comprises a bottom shell. A front surface of the bottom shell is provided with a lower hinge. A top end of the bottom shell is provided with a first groove. An internal portion of the first groove is provided with a fixed rod. An upper surface of the fixed rod is provided with a middle plate. An upper surface of the middle plate is provided with a second groove. An upper surface of the second groove is provided with a top shell. An internal portion of an inner shell is provided witha compressed spring. In the invention, through arranging a smoke alarm and an automatic dry powder fire extinguisher, safety of the power distribution cabinet is increased; when a fire hazard occurs accidently, fire extinguishing is automatically performed and an alarm is given out; a universal wheel and a fixed pedestal are arranged, which is good for equipment moving and fixation; the first groove, the second groove, and the fixed rod are arranged, which is good for installation of equipment; according to a design demand, a space of the power distribution cabinet is expanded, and a connecting rod and a baffle are arranged; and according to an environment condition, installation selection is performed so that a usage range of the equipment is enlarged.

The invention discloses a vending machine with a double anti-jamming structure. The vending machine comprises a vending machine main body, a stuck material dredging button is arranged below a controlarea on the front surface of the vending machine main body, a plurality of layers of pallets are uniformly arranged in the vending machine main body, and a plurality of spring goods channels are formed in each layer of pallet; fixing frames are fixedly mounted at the two ends of the lower surface of the outer edge of each layer of pallet, a ball screw and a sliding rod are arranged between the fixing frames at the two ends of each layer of pallet, and one end of the ball screw is fixedly connected with a first servo motor mounted on the outer side of one fixing frame; the ball screw and the sliding rod of each layer of pallet are each provided with a goods outlet guide device; and each goods outlet guide device comprises a sliding seat slidably mounted on the ball screw and the sliding rod, a supporting rod is fixedly mounted at one end of the front face of each sliding seat, and an arc-shaped frame is rotatably mounted at the top end of each supporting rod. The vending machine has double anti-jamming functions, and the use experience and effect of the vending machine can be improved.