126results about How to "Achieve fine control" patented technology

The invention discloses a flexible pressure sensor, which comprises two oppositely-arranged electrode structures, wherein each electrode structure comprises a flexible substrate and a conductive layer arranged on the flexible substrate; the conductive layers of the two electrode structures are connected in a mutually-facing abut joint mode; the flexible substrate comprises a substrate body and multiple convex structures arranged on the substrate body; and the conductive layer covers the surface, with the multiple convex structures, of the flexible substrate. According to the flexible pressure sensor disclosed by the invention, by using the characteristic that the inner multiple convex structures formed by a flexible material are likely to deform under a pressure effect, resistance changes, adjustment and control caused by contact area changes when the two conductive layers in the opposite electrode structures make contact can be realized, and thus, pressure sensing is realized. The invention also discloses a method of manufacturing the above flexible pressure sensor. Compared with an MEMS processing process generally adopted by the flexible pressure sensor in the prior art, the manufacturing method of the invention is simple and convenient, and the cost is lower.

The embodiment of the invention provides an identification value query method, an identifier analysis server and a storage medium, and aims to realize fine display control on a specific identifier value in an identifier. The method comprises the following steps: receiving a query request (including a target user name and a target identifier code) of a client; wherein the identification codes represent identifications, and each identification code is associated with a plurality of information identification values; wherein in the plurality of identifiers corresponding to a same category, the indexes of the information identifier values of the same type are the same; wherein the plurality of identifiers corresponding to the same category are associated with a same product type identifier; wherein the product type identifier comprises user group identifier values in one-to-one correspondence with indexes of various types of information identifier values; wherein the user group identification value comprises a user name of an identification value administrator having query permission for the information identification value represented by the corresponding index; and at least accordingto the product type identifier corresponding to the target identifier code, determining an information identifier value of the target user name with the query permission in the identifier values associated with the target identifier code, and returning the information identifier value.

The invention discloses a 400 MPa stage reinforcing steel bar and a manufacturing method thereof. The carbon equivalent of the 400 MPa stage reinforcing steel bar is smaller than or equal to 0.52%, and the 400 MPa stage reinforcing steel bar comprises, by mass percent, 0.20 to 0.25% of C, 0.55 to 0.80% of Si, 1.30 to 1.60% of Mn, and 0.006 to 0.012% of N, and further comprises one or multiple of Nb, Ti and Al, and the balance Fe and inevitable impurities; the mass percent of Nb, Ti and Al ranges from 0.01 to 0.04. The 400 MPa stage reinforcing steel bar has the advantages that no obvious yieldpoint elongations exist in a stress-strain curve in the tensile test, the customer needs are met, the yield strength is larger than or equal to 420 MPa, the yield ratio is smaller than or equal to 0.80, the specific elongation is larger than or equal to 18%, and the uniform ductility is larger than or equal to 8%.

The invention provides a method and a device of processing business flow. The method of processing the business flow comprises the following steps that: a home gateway HG transmits a registration request message to a server, wherein the registration request message comprises an identifier of the HG; the HG receives a strategy control message, which is returned by the server and corresponds to the identifier of the HG; and the HG determines a tunnel to be transmitted according to the strategy control message and a message bearing the business flow to be transmitted, and the message bearing the business flow to be transmitted is transmitted through the determined tunnel to be transmitted. According to an embodiment of the invention, the HG is capable of comparing the message bearing the business flow to be transmitted and the strategy control message, so that a transmission tunnel corresponding to the message bearing the business flow to be transmitted is determined, thus a fine control of the transmission of the business flow is implemented by the HG.

The invention discloses a screen control method and device. The screen control device comprises a data acquisition unit, a key point detection unit, a target tracking unit, a gesture recognition unitand an action recognition and control unit. The screen control method comprises the steps that a color image frame, a depth image frame and an IR image frame are acquired through a camera; obtaining akey point of the target part through the color image frame; obtaining the depth value of a key point according to the corresponding relationship among the pixel points of the three image frames, andobtaining the spatial position information of the key point to obtain the motion state information of the tracking target; according to a corresponding relation among pixel points of the three image frames and a key point of a target hand, segmenting a hand area on the depth image frame, and extracting a picture of the hand area on the IR image frame to carry out gesture recognition; and determining a target action according to the motion state information and the target gesture. According to the invention, the screen control can be performed more accurately and finely to enhance the user experience.

The invention discloses a virtual character driving method and device, equipment and a storage medium, and relates to the technical field of computer vision. According to the specific implementation scheme, a to-be-processed material is obtained, the to-be-processed material is any one of the following contents: video, voice and text, the to-be-processed material is processed to obtain driving data of a target virtual character in the to-be-processed material, and the driving data comprises emotion data and a facial expression vector and a body posture vector corresponding to the emotion data; when a target video corresponding to the to-be-processed material is played, the target virtual character is driven to execute a corresponding action based on the driving data. According to the technical scheme, the target virtual character is driven based on the driving data including the emotion data, the facial expression vector corresponding to the emotion data and the body posture vector, so that the fine control of the virtual character is realized, expensive head-mounted equipment is not needed, the cost is reduced, and the application range is expanded.

The invention discloses a 3D printed Ti-PDA-PLGA microsphere bone defect repair stent. A 3D printed Ti stent is prepared by a laser sintering technology. Then, under certain conditions, dopamine is self-polymerized on the fiber surface of the 3D printed Ti stent to form a PDA coating, thereby preparing a 3D printed Ti-PDA stent; then PLGA microspheres carrying VEGF are prepared by a double emulsion-solvent evaporation method, and finally, BMP-2 and PLGA microspheres carrying VEGF are adsorbed and immobilized on the surface of the stent by an adsorption method, and finally the 3D printed Ti-PDA-PLGA microsphere bone defect repair stent is formed. The bone defect repair tissue engineering stent disclosed by the invention has the advantages of reliable mechanical property, high biological activity and safety, convenient implantation, small trauma and low cost, and can be used for the repair treatment of bone defect after bone traumas, bone tumors and bone infection.

The invention provides a sectional step type cooling device for hot rolling of high-strength steel bars, and belongs to the field of steel rolling equipment. The sectional step type cooling device comprises two cooling areas, namely a sectional step type cooling area and a rapid cooling area. The sectional step type cooling device further comprises a mating integrated system which is connected with the sectional step type cooling device. The sectional step type cooling area is composed of four cooling-warming step type cooling sections which are composed of 10-25 sets of mist evaporative-cooling nozzles and mist reinforcing nozzles, the mist evaporative-cooling nozzles and the mist reinforcing nozzles are distributed in a spaced mode, and the distance between the mist evaporative-cooling nozzles and the mist reinforcing nozzles is controlled to be 20-240 mm and can be adjusted according to the rolling speed and the rolling temperature. The rapid cooling area is composed of one to two sections of rapid-cooling turbulent flow pipe coolers. The steel bars sequentially penetrate through the sectional step type cooling area and the rapid cooling area, and all technological parameters are adjusted and controlled through the mating integrated system. The sectional step type cooling device for hot rolling of the high-strength steel bars has the advantage that the purposes of improving the morphology, structure and completeness of surface oxidized scale, and delaying rusting and improving the micro-structure in the sale cycle are achieved.

The invention discloses a method for controlling concurrent operation of an MySQL database. The method comprises the following steps: receiving a database operation request for the MySQL database; judging whether an index value of representing loading pressure of the MySQL database is smaller than a preset first threshold or not; if so, further processing the database operation request and delivering to a storage engine for execution; and if not, finishing processing of the database operation request. The invention provides a device for controlling the concurrent operation of the MySQL database. By the method disclosed by the invention, the loading pressure of the MySQL database can be accurately controlled; the response time aiming at the database operation request is maintained within a range which can be accepted by an application; and the availability of the whole MySQL database is improved.

The invention discloses a wire rod for a 2000 MPa-grade spring and a production method of the steel wire rod. The steel wire rod is prepared from the following chemical components of, 0.53%-0.57% of C, 1.51%-1.59% of Si, 0.65%-0.72% of Mn, 0.63%-0.7% of Cr, 0.01%-0.1% of Cu, 0.01%-0.1% of Ni, 0.01%-0.05 % of Mo, 0.01%-0.05% of Nb and the balance Fe and impurities. In a production method, a continuous casting reduction rate is 6.6%-8.7%, an initial rolling temperature of high-speed wire rolling is 910-950 DEG C, a finish rolling outlet temperature is less than or equal to 1020 DEG C, a spinning temperature is 820-880 DEG C, and a cooling speed of Stelmor cooling is 1.2-2.0 DEG C 11. The steel wire rod is of a bainite and pearlite structure, a tensile strength is 950 Mpa-1150 MPa, the percentage reduction of area is larger than or equal to 50%, and the steel wire rod can be used for preparing a spring with a strength of 2000 MPa.

The invention discloses a gradient 3D (three-dimensional) printing Ti-PDA-BMP-2 bone defect repairing stent and a preparation method thereof. A gradient 3D printing Ti stent being of a gradient pore fiber latticed structure is prepared from Ti6Al4V powder by a 3D printing technique, and biological factors BMP-2 having the bone repairing capability are adhered to the gradient 3D printing Ti stent through polydopamine on the surfaces of fibers, so that the gradient 3D printing Ti-PDA-BMP-2 bone defect repairing stent can be used for the reparative therapy of bone repair. The gradient 3D printingTi-PDA-BMP-2 bone defect repairing stent has the advantages of simple and reliable structure, controllable appearance and microstructure, simple and efficient surface modification, reliable mechanical property, high biological activity and safety, convenient implantation, small trauma and low cost.

Embodiments of the invention disclose a cooking control method and device. The method includes outputting a setting page of a parameter curve of a working parameter of cooking before and/or after cooking is started, wherein the parameter curve is a value curve of the working parameter which varies with cooking time; obtaining user operation acting on the setting page; generating the parameter curve according to the user operation; querying the parameter curve to determine the current working parameter according to the current cooking time; and controlling the cooking according to the current working parameter.

The invention provides an oilfield water injection method capable of realizing balanced displacement of remaining oil. The oilfield water injection method is mainly used for solving the problems of poor oil displacement efficiency and low petroleum recovery efficiency of the existing water injection development applied to a nonhomogeneous reservoir stratum. The method comprises the steps of forming holes in a shaft uniformly and densly, wherein the hole density in the transverse direction of the shaft is determined according to crustal stress, well network, remaining oil and physical properties, and the distance between two rows of holes in the longitudinal direction of the shaft is determeined according to the physical properties of an oil layer during the hole distribution process; carrying out construction according to the distributed holes, and forming a hole in the side direction; arranging a flow rate-adjustable water nozzle in the formed side hole; carrying out underground butt joint between an underground comprehensive testing and controlling meter in an automatic flow rate testing and controlling system and the flow rate-adjustable water nozzle, and adjusting the opening degree of the water nozzle to realize accurate control of the water injection quantity at each point; and beginning the water injection work. When the oilfield water injection method provided by the invention is used for injecting water, water injection quantities at all points are different according to the nonhomogeneity of each point of a reservoir stratum, and therefore, balanced displacement of remaining oil is realized, the water absorption profile of a water well is improved and the oilfield recovery efficiency is improved.

The invention provides a voice control method and device and a storage medium. Voice data are received, semantic recognition is carried out on the voice data, a first semantic recognition result usedfor indicating the equipment name and the operation type is obtained, and whether the first semantic recognition result is complete or not is judged; if the first semantic recognition result is incomplete, inquiry voice is sent, response voice data of the inquiry voice are received, the response voice data are subjected to semantic recognition, a second semantic recognition result is obtained, thesecond semantic recognition result is used for indicating the position information and/or the working parameters of the equipment name; and a control instruction used for indicating and controlling the on-off state or the working parameters of the corresponding equipment is generated according to the first semantic recognition result and the second semantic recognition result. The real intentionof the user is obtained through multiple rounds of voice interaction processes, fine control over the controlled equipment in the scene is achieved, and the user experience is improved.

The invention discloses a particle diameter monitoring system for a traditional Chinese medicine powder grinding and processing production line. The particle diameter monitoring system comprises a plurality of sensing devices, and the sensing devices comprise a weighing sensor, a speed sensor, a screening device and a particle size detection device, wherein the weighing sensor is arranged at a feed port of the traditional Chinese medicine powder grinding and processing production line, the speed sensor is arranged on a grinding machine and is used for detecting the rotating speed of the grinding machine, the screening device is a pore sieve with different pore diameters and is arranged at a feed port of a coarse grinding process device of the traditional Chinese medicine powder grinding and processing production line, and the particle size detection device is arranged at a discharge port of a fine grinding process device of the traditional Chinese medicine powder grinding and processing production line. A particle diameter fuzzy control method for the traditional Chinese medicine powder grinding and processing production line is also provided, the grinding time of the grinding machine is calculated by a two-stage fuzzy controller, and fine control over the production of traditional Chinese medicine powder is realized.

The invention discloses an Internet of Things flow control method, a terminal, a platform and a system, which relate to the field of private network of Internet of Things business. The method comprises the steps that a USB Key hardware connected to the intelligent terminal of the Internet of Things launches a network client program at the intelligent terminal of the Internet of Things, so that a special-purpose channel can be established, and the intelligent terminal of the Internet of Things can be connected to an Internet of Things transmission private network through the special-purpose channel; an Internet of Things flow control platform of the Internet of Things transmission private network sends the flow control strategy to the Internet of Things intelligent terminal and a router ofthe Internet of Things transmission private network through the special-purpose channel; the network client program at the Internet of Things intelligent terminal obtains and carries out the flow control strategy. The invention is advantageous in that fine control and management of business flow can be realized.

The invention discloses an intelligent myoelectric prosthetic hand device. The device comprises a palm component, an arm component, a waist hanging battery, and a myoelectric signal induction bracelet. The myoelectric signal induction bracelet comprises a myoelectric electrode, a myoelectric signal acquisition module, and a bluetooth module. A control chip is provided with a motor driving module,a bluetooth module, and a signal processing module. The control chip also comprises a buffer circuit, a pre-amplification circuit, a filter circuit, a rear-level amplification circuit, and an analog-digital conversion circuit. The intelligent myoelectric prosthetic hand device is simple in structure, convenient in use, low in cost, and light in weight. The device can complete high-precision control on five fingers and a wrist joint, and the prosthetic hand can be comfortably worn and used for relatively long time, and meanwhile the prosthetic hand can complete different operation, multi-freedom-degree natural control of the myoelectric prosthetic hand is realized. The myoelectric prosthetic hand is nimble in movement, and mental burden of a user is reduced.

The invention discloses a pixel definition layer based on ink-jet printing and a preparation method thereof. The method comprises the following three steps: preparing a substrate for depositing a TFTdrive circuit; depositing a first pixel definition layer located at the bottom; and depositing a second pixel definition layer located at the top, wherein the first pixel definition layer should be made of a material with excellent hydrophilic performance wettability, the second pixel definition layer should be made of the material with poor hydrophilic performance wettability, and the second pixel definition layer is a regular trapezoid structure; moreover, at least one of the first pixel definition layer and the second pixel definition layer is a lighttight material; at least one of the first pixel definition layer and the second pixel definition layer is an insulating material; the first pixel definition layer and the second definition layer both have ink solvent resistance; and the pixel definition layer can be realized through an etching or printing technology. With the pixel definition layer and the preparation method thereof, a selection range of a bank material is expanded greatly, influence on spreadability caused by boundary defects or structure is avoided effectively, stability is improved, meanwhile, a position of a pinning point can be regulated effectively, and fine control of evaporation, flowing and drying of ink is realized.

The invention discloses a method and device for controlling communication message in interconnection of a smart TV and external equipment. The technical problem that the user experience is reduced since the communication message cannot be reasonably controlled in the prior art when the smart TV is in a standby state is solved. The method comprises the following steps: switching the smart TV to a false on state from a real standby state and starting a timed task when arriving the starting time of the timed task in the smart TV; sending a first communication message to the external equipment interconnected and intercommunicated with the smart TV under the false on state, wherein the first communication message is used for enabling the smart TV to maintain interconnection and intercommunication with the external equipment, but not enabling the external equipment to be power amplified; when the times task is finished, switching the false on state to the false standby state if other tasks in executing are existent in the smart TV; and prohibiting the sending of the second communication message to the external equipment under the false standby state, wherein the second communication message used for controlling the external equipment to be standby.

The invention relates to a culture medium for clean production of riboflavin and a method. Molasses is replaced with glycine betaine, the matching proportion of glucose to molasses is regulated and controlled in basic materials and a fermentation process supplementary material culture medium, residues are reduced, and clean production is achieved. Meanwhile, traditional organic nitrogen source corn steep liquor and yeast powder are replaced with a novel organic nitrogen source baker's yeast extractum, metabolism regulation and bioengineering optimization are carried out, therefore, the biomassis increased, the fermentation period is shortened, and continuous beneficiating is achieved. By means of the method, fast growth of thalluses can be promoted, the specific growth rate can be increased, the thalluses are prompted to synthesize riboflavin efficiently, the fermentation culture time is shortened, and is shortened by 10 h to 20 h compared with a conventional process, the fermentationlevel is improved, in-tank residues are reduced (amino nitrogen is reduced by 52% to 68%), and the light-previous degree of fermented mash is improved by 17% to 20%; the aim of clean production is achieved, the production comprehensive cost is reduced, and the fine regulation and control are achieved.

The invention discloses a micro-fluidic substrate, a micro-fluidic chip, a micro-fluidic system and a detection method, so that the problems that a micro-fluidic substrate in the prior art is limitedin control precision and a liquid drop which is smaller than the size of a pixel electrode cannot be controlled are solved. The micro-fluidic substrate comprises a transparent substrate, a photosensitive film positioned on one surface of the transparent substrate, and an electric control layer located on one surface, deviating from the transparent substrate, of the photosensitive film; the electric control layer comprises a plurality of control electrodes arranged in an array mode, gate lines located at the gaps between every two adjacent control electrode rows, and source lines located at thegaps between every two adjacent control electrode columns; each control electrode is electrically connected with one corresponding gate line and one corresponding source line through a transistor; and the photosensitive film is configured to generate a photo-generated built-in electric field when the photosensitive film is irradiated by the light incident on the substrate side of the transparentsubstrate.

The invention discloses a preparation method of modified oxidized reduced graphene, comprising modifying graphene oxide, and reducing the graphene oxide by means of vitamin C process to obtain graphene. The preparation method herein has high operational safety coefficient and short preparation time and requires low temperature, and reaction materials are free of toxic and harmful effects and causelittle environmental pollution; the oxidized graphene lamellar structure experiences little damage; fine control can be provided for graphene preparation; the prepared graphene has more complete structure and better performance.