337results about How to "Strong flexibility" patented technology

The invention provides a source coding method based on polar codes. The method includes the steps that firstly, a symbol value set of source restoring signals is determined, through an optimal symbol-to-bit mapping rule, a source symbol sequence is mapped into a bit soft information sequence in a serial mode, polar code serial offset coding is conducted on the bit soft information sequence, a coding path with the maximal reliability value is found, a bit sequence corresponding to the coding path is output, and finally the most important part of bits are selected from the bit sequence through a reliable bit set to serve as a coding result. The search width of the coding path is increased through a serial offset coding method, and the selection probability of the correct coding path is increased. The reliable bit set can assist a coder in distinguishing the most important bits in the coding process, the most important bits are output, and then the coding length can be compressed. In addition, the method can flexibly configure coding parameters and the symbol-to-bit mapping rule, the calculation complexity is low, and the coding performance is excellent.

The invention discloses an under-actuated manipulator claw for picking fruits and vegetables. At present, fruits and vegetables are manually picked basically. The under-actuated manipulator claw for picking the fruits and the vegetables comprises a machine frame, a driving transmission mechanism and a finger mechanism, and particularly comprises an upper base, a finger fixing component, a supporting post, a lower base, a step motor, a screw rod, a nut, a lifting platform, a guiding post, a far finger, a middle finger, a near finger, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a driving rod, a first torsion spring and a second torsion spring. A plurality of fingers are driven by one step motor at the same time, an under-actuated finger mechanism is adopted, and the torsion springs are used as a limiting mechanism, so that the under-actuated manipulator claw for picking the fruits and the vegetables has enwrapping and clawing functions; and a contact force sensor is arranged on a clawing surface, so that the clawing force can be fed back and controlled through detection of the contact force; the under-actuated manipulator claw for picking the fruits and the vegetables is simple in structure and easy to control; and the self adapting capability of the under-actuated manipulator claw to the shape of an object is improved; and the clawing stability is improved. Therefore, the fruits and the vegetables can be picked in a damage-free way.

The invention relates to a multi-field bus interface converter, with the technical scheme that: one end of a CAN bus transceiver (1) is connected with the can bus network, and other end is connected with a CAN controller (10) through a first optical coupling isolation circuit (2); one end of a SPC3 protocol controller (4) is connected with a SoC microcontroller (9), and the other end is connected with an RS deliver (6) through a second optical coupling isolation circuit (5); an RS 485 driver (6) is connected with the Profibus-DP bus network; a serial field device or an instrument (13) is connected with the SoC microcontroller (9) through a serial communucation interface module (11); a bus selecting switch module (8) is connected with a Soc microcontroller (1). The protocol converting program between the serial port and the CAN and Profibus-DP bus interface is stored in the SoC microcontroller (9). The invention is characterized by strong flexibility and low hardware complexity and the like, thereby realizing the monitoring management and resource sharing on the same serial device by the two field bus networks, reach interconnection of heterogeneous network.

The invention, which belongs to the digital control technology and flight control field, relates to a triplex redundancy-based realization method for a fly-by-light fight control system. According to the invention, three-level voting / monitoring modules are arranged, wherein the three-level voting / monitoring modules includes monitors and voters; optical signals of the sensors are converted into electrical signals that then enter voting / monitoring modules at the input terminals of computers; after flight control law calculation, the processed signals pass through the voting / monitoring modules at output terminals of the computers and then enter servers; and when the electrical signals pass through the voting / monitoring modules, the monitors remove fault channels and the voters select output from residual signals. Beneficial effects of the realization method are as follows: monitoring and fault positioning can be carried out conveniently, faults can be shielded effectively, and a dispersion degree of an inputted signal can be reduced; besides, the realization method with strong flexibility and less hardware enables the computers to work synchronously.

The invention discloses a pile shoe structure for retractable drilling platforms. The structure comprises a top sealing plate, a bottom sealing plate, a retractable steel skeleton, a movable shoe side-wall shell and a hydraulic device, wherein the top sealing plate is an upper foxed plate arranged below a pile leg, and the bottom sealing plate is a lower fixed plate which is arranged at the lower part of a pile shoe and formed into a pile tip of the pile shoe; the steel skeleton is arranged below the top sealing plate, and in a retractable cage structure consisting of a plurality of steel members; the movable shoe side-wall shell can cooperate with the retractable formation of the steel skeleton of the pole shoe so as to increase the pressure bearing area of the pile shoe and prevent soil bodies around the pile shoe from entering the pile shoe; and a control system of the hydraulic device is arranged at a ballasting control center of a platform, and used for transmitting a shoe retraction instruction to the hydraulic device through hydraulic pipelines laid along the pile leg, then realizing the automatic retraction of the steel skeleton through cooperating with the ballasting control of the platform. By using the pile shoe structure disclosed by the invention, the problem of puncturing existing in the process of carrying out pile driving on a self-elevating drilling platform and the problem of difficult pile extracting existing in the process of withdrawing the self-elevating drilling platform are solved.

A single-event reinforced FPGA configuration circuit with the code stream error detection and error correction function comprises a bus interface circuit, a configuration bus, configuration registers, a coding error correction circuit and a configuration memory array.The bus interface circuit analyzes a configuration bit code stream to obtain configuration register addresses and internal data and transmits the configuration register addresses and the internal data to the corresponding configuration registers through the configuration bus, the configuration registers carry out read-write, configuration and error correction operation according to internal instruction words, the coding error correction circuit generates check codes after receiving configuration data words, transmits the check codes to the configuration memory array, reads the configuration data words and the check codes and carries out error correction, and the configuration memory array loads the configuration data words and the corresponding check codes.According to the single-event reinforced FPGA configuration circuit with the code stream error detection and error correction function, by additionally arranging the coding error correction circuit, the configuration data words in the configuration memory array can be read after configuration is finished for error detection and error correction, the problem that a logical error is likely to be introduced in an SRAM type FPGA chip in a space radiation environment due to single-event upset is solved, and the application value is high.

The invention discloses an orthopedic clamping device, which comprises a bottom plate and a top plate, the bottom plate is arranged in parallel directly under the top plate, fixing plates are welded on both sides of the top end of the bottom plate, the fixing plate is a hollow structure, the Both sides of the bottom end of the top plate are welded with expansion plates, one end of the expansion plate extends into the fixed plate and is slidably connected with the inner wall of the fixed plate, and a first splint and a second splint are respectively arranged between the bottom plate and the top plate, Wherein the first splint is located directly below the second splint, and the first splint corresponds to the second splint, an elastic mechanism is provided between the first splint and the base plate, the elastic mechanism includes a support rod and an elastic rod, and the support rod and the elastic rod are respectively There are several supporting rods welded equidistantly to the top of the bottom plate, and elastic rods equidistantly welded to the bottom end of the first splint, and the supporting rods correspond to the elastic rods. The invention has a reasonable design, satisfies the fixed clamping of patients with different bone and joint thickness, and improves the comfort of the patients.

The invention relates to a scalable distributed system supporting dynamic security assessment and early warming of a power system, comprising: a server terminal, a client terminal and a computing resource supervision terminal. The server terminal gains real time power system data from an energy management system and saves the real time power system data into a database server. Data resources of the database server are sent in two ways. One is sent to a computing engine server and the other is sent to a data mapping module of a computing engine client off-line calculation. The computing engine server calculation data resources of the server terminal are directly inputted into the computing resource supervision terminal. The client terminal one side is connected with the server terminal to process bidirectional data exchange, and on the other side is connected with the computing resource supervision terminal to realize data bidirectional transmission. The computing resource supervision terminal is separately connected with the server terminal and the client terminal to process bidirectional data exchange. The invention can gain real time system data from the power system to process the dynamic security assessment, so as to find problems in time and give out early warming control strategy.

A method and a device of identity verification are disclosed. The method includes: receiving by a server, an identity verification request sent from a terminal, where the identity verification request contains a specified user identifier; based on a user relationship chain of the specified user identifier, obtaining a verified user information set which includes user's information on the user relationship chain; providing the verified user information set to the terminal in order to subsequently receive returned selected user's information; determining whether the received selected user's information from the terminal matches the user's information on the user relationship chain; if the selected user's information received matches the user's information on the user relationship chain, confirming that the identity verification being successful. To pass the identity verification, the only requirement is that the selected user's information received from the terminal matches the user's information on the user relationship chain.

The invention discloses a generation method and device for a user-defined webpage file. The generation method includes that data interface plug-ins of a template engine are set, and each data interface plug-in corresponds to corresponding template statement; a receiving module receives a static page file from a user-defined webpage, seeks the template statements of the static page file by the aid of a template engine, the data interface plug-ins corresponding to the template statements are called to query data and / or provide a script for inquiring the data, and the template statements of the static page file are replaced with the data inquired in the data interface plug-ins corresponding to the template statements or the script for inquiring the data by the aid of the template engine so as to generate a destination file in the user-defined webpage file. By the generation method, construction cost and technology development threshold of the user-defined webpage can be reduced.

The invention relates to a thermal insulation coating and a preparation method thereof, and the preparation method comprises the following steps: adding hollow granular micro-bubbles made of special materials, hollow glass beads and an opaque polymer on the basis of a water base, a bonding agent base material and a filler, combining active hydroxyl genes thereof with a molecular chain of an emulsion polymer and forming a dense net layer structure in a coating, wherein the coating has the comprehensive thermal insulation function of reflecting, blocking and radiating solar heat and has the significant effects of thermal insulation and energy conservation. The coating has strong adhesion to the surface of a building, the thickness of a coating dry film is only 60 mu m-150 mu m, and the coating is not only thermal-insulating, but also water-proof. The coating has excellent air permeability and long-lasting antibacterial property, as well as the advantages of pollution prevention, self-cleaning, sound isolation, aging resistance, long service life, easy construction and manpower conservation; compared with the traditional thermal insulation material, the coating has excellent performance-price ratio.

The invention relates to a super capacitor based on a three-dimensional ZnO@MnO2 composite nano array interdigital electrode and a manufacturing method of the super capacitor. The super capacitor comprises a packaging bag and a solid electrolyte, and further comprises the ZnO@MnO2 composite nano array interdigital electrode, the solid electrolyte and the ZnO@MnO2 composite nano array interdigital electrode are arranged in the packaging bag, and the ZnO@MnO2 composite nano array interdigital electrode is smeared with the solid electrolyte. The micro-nano machining technology is adopted in the ZnO@MnO2 composite nano array interdigital electrode, a transparent interdigital collector electrode is manufactured on a flexible and transparent PET substrate, a three-dimensional ZnO bar nano array is grown on the collector electrode through a solution method, and three-dimensional ZnO bars are coated with a layer of MnO2 based on an electro-deposition technology. According to the super capacitor, the area ratio capacitance of a device is greatly improved, a nano array clearance is adopted as a channel facilitating ion transmission and exchange, and the rate capacity and circulating performance of the capacitor are improved.

The invention provides a prompt tone generating method, a prompt tone generating device and a mobile terminal. The prompt tone generating method comprises the following steps: acquiring original prompt message needing to be played in an application program; extracting written message corresponding to the original prompt message; according to the extracted written message and information of a selected simulated user, acquiring the pronunciation of each word in the written message of the selected simulated user from a global voice library, wherein the global voice library comprises the pronunciation of each word corresponding to each simulated user; carrying out audio synthesis on the acquired pronunciation of each word of the selected simulated user, so as to generate the simulated prompt tone played in the form of the voice of the simulated user. The user can conveniently convert the prompt tone in the application program into the desirable sound at will, the realization is simple and convenient, and the flexibility is strong.

The invention relates to an automatic pushing method for mobile terminal application and information and a system thereof. The method comprises the following steps: 1) acquiring the application and information used by a mobile terminal; 2) judging if the local mobile terminal has the to-be-used application and information in the step 1); if yes, judging the quantity of the to-be-used application and information in the step 1) in the local mobile terminal is one or multiple; if the quantity is one, directly running the application and information, and meanwhile, reminding a mobile terminal user by sound; if the quantity is multiple, pushing the shortcuts of the applications and information to a desktop of the mobile terminal, and selecting and using by the mobile terminal user; if the local mobile terminal does not have the to-be-used application and information in the step 1), selecting the keywords of the to-be-used application and information in the step 1); searching or inquiring according to the keywords, and pushing the searched or inquired downloading address to the desktop of the mobile terminal. The invention provides the automatic pushing method and system for intelligently pushing the mobile terminal application and information for application software.

The invention discloses a micro-droplet control method based on a laser direct writing technology. The micro-droplet control method includes the steps that a Ti film deposited on a substrate reacts with a NaOH aqueous solution to form a Ti film with a porous rough structure, then a layer of fluorine silane is modified on the Ti film, and a super hydrophobic film is obtained; finally, the laser direct writing technology is used to make patterns of various shapes on the surface of super hydrophobic film, and micro droplets on the super hydrophobic film are controlled through the patterns; the high temperature action of laser makes the hydrophobic and porous surface of the pattern positions smelt, and the roughness of the surface is changed, so that parts which are not machined by laser on the pattern position and the super hydrophobic film form wetting contrast; and therefore, operation such as micro-droplet shape control, directional driving and collection can be conducted on the microdroplets by designing different patterns, furthermore, the laser direct writing technology is high in machining resolution and high in flexibility, and the micro droplets of the nano-liter level.

The invention discloses a quantitative detection method for pyrethriods pesticide in soil. The method is characterized by comprising the following steps: carrying out ultrasonic extraction on a soil sample by using an acetonitrile solution of which the volume fraction is 1%, purifying by using proper mixed filler of PSA and C18; carrying out nitrogen blowing and concentrating on supernate until nearly dry; dissolving and metering volume by using normal hexane; heating up and separating by using HP-5 quartz capillary column program; carrying out GC / muECD detection; finally quantifying by using a matrix external standard method. A test proves that the method is wide in linear range, the technical indicators such as the detection sensitivity, the accuracy and the precision meet the requirements of residue analysis, the quantitative detection method is simple in pre-treatment operation, convenient and fast, and reliable means is provided for analysis and research of pyrethriods pesticide residue in the soil.

The invention relates to a system for acute coronary syndrome case information collection. The system comprises a data collection side, a server side, a control side, a user side, a doctor inquiry side and a data cloud platform. The system is in butt joint with data information of a hospital information system, a clinical data center, a data warehouse and the user side and can comprehensively collect related information of the acute coronary syndrome; the doctor inquiry side is provided with identity authentication equipment, the examination information of a patient can be obtained in real time, information sharing of departments is achieved, and the diagnosis efficiency is improved. Information of doctors is opened to users, and convenience is brought to the users for independently choosing doctors and hospitals for seeking medical advices.

The invention relates to a navigation resolving apparatus based on a heterogeneous multinucleated architecture. The apparatus comprises a heterogeneous multinucleated processing core, a sensor input interface connected with the heterogeneous multinucleated processing core through an input interface control chip and a data output interface connected with the heterogeneous multinucleated processing core through an output interface control chip, wherein the heterogeneous multinucleated processing core comprises a field programmable gate array (FPGA), an ARM dual-core processor and a DSP dual-core processor; the FPGA is connected with a nonvolatile memory and a synchronous static random access memory DDR3; and the DSP is connected with the DDR3. According to the invention, the requirement for real-time performance of high-frequency navigation information output and subsequent processing operation under astronomical, inertia and satellite and deep integration conditions can be effectively satisfied, the problems of high-speed data exchange mechanism and an information synchronization mechanism between basic processing units of a multinucleated system are solved, the hardware structure can be expanded and can be cut, the apparatus can be adapted to multiple different navigation demands and processing methods, and the real-time performance, the flexibility and the reliability are quite good.

The invention discloses a bus fault injection system based on DSP and FPGA. The system comprises a DSP main processor, an FPGA, a principal computer, an Ethernet interface module, a DA module, an RS422 interface module, an RS485 interface module, a relay network, a resistance network and a storage module; the required fault mode is configured through a serial connection in a bus system, the RS422 / RS485 interface module is used for receiving the serial signals of the bus, the serial signals are transformed into parallel signals by FPGA, after the signals are processed by DSP, and fault injection signals are outputted by the DA module and the relay network controlled by FPGA. According to the bus fault injection system, the hardware fault injection is adopted, the fault injection functions of a physical layer, an electric gas layer and a protocol layer can be achieved, so that faults occurred in the actual running process of the hardware are simulated more real, and various faults are added in real time in the normal communications of the bus equipment.

The invention discloses an orthopedic nursing traction bracket, which comprises a bracket body, the bracket body is a square cavity structure, the top of the bracket body is respectively provided with a card slot and a through hole, and the top side of the bracket body is welded with a A support plate arranged vertically, a handle is provided on the top of the support plate, a guide rod and a threaded rod are respectively arranged vertically in the support plate, one end of the threaded rod extends into the card slot, and the other end of the threaded rod It is fixedly connected with the handle, and the external thread of the threaded rod is provided with a lifting plate. The lifting plate is also slidingly connected with two guide rods. A rack is connected, and the inner walls on both sides of the top of the bracket body are provided with vertically arranged connecting rods and fixing rods. The invention has reasonable design and convenient adjustment, can clamp and fix orthopedic joints of different sizes, and improves the quality of orthopedic nursing.

The invention relates to a fan state online monitoring system and method based on an advanced reduced instruction-set computer machine (ARM) and the ZigBee. Online monitoring of the fan operation state is achieved by collecting temperature, vibration parameters, negative pressure and power parameters of a fan. A ZigBee sensor network is used for collecting and transmitting data, and an embedded ARM platform is used for displaying and processing the data. A terminal device of the sensor network is divided into a temperature collection module, a transmitter signal collection module and a communication module. State data collected by the modules are transmitted to a ZigBee coordinator directly or through a router, and the data are transmitted to the embedded ARM platform through the coordinator. Measuring data are read in monitoring software written on the embedded ARM platform, the fan operation state data are displayed through a liquid crystal display (LCD) touch screen, state data and abnormal alarming data are stored through a security digital (SD) card, and a voice frequency module is used for conducting alarming on the operation state exceeding a threshold. The ZigBee sensor network adopts Z-Stack with a protocol stack as TI.

A ZigBee and LED visible light communication based system of Internet of things, includes: actual things in the system of Internet of things, a sensing module, a central information system, and a distributed system and open computer network; the system also includes: a ZigBee communication module, a LED visible light communication module, and a plurality of RFID smart tags. The actual things are provided with the RFID smart tags. The sensing module communicates with the RFID smart tags, and then communicate with the ZigBee communication module though a partial node, a key point and a main line, and the ZigBee communicates with the LED visible light communication module, and the LED visible light communication module communicates with the central information system which communicates with the distributed system and open computer network.

The invention discloses a method for tracking a moving object based on a stereoscopic vision measuring technology. The method comprises configuring a measuring station system which comprises a plurality of measuring stations; performing calibration on the measuring station system within a large field of view; utilizing the measuring stations in the calibrated measuring station system to obtain theposition of an associated stereoscopic target, and calculating and obtaining a conversion relationship between a coordinate system in which each measuring station is located and a world coordinate system in which a photoelectric tracker is located; and using three-dimensional data of the tracked moving object under each measuring station coordinate system to convert the three-dimensional data ofthe moving object tracked by different measuring stations under the world coordinate system. In the method according to the technical scheme, against the situation that the prior art cannot satisfy the requirement of the tracking process of the long-track moving object with a large field of view, the large-field-of-view binocular stereo vision system calibration method with high precision and highflexibility is adopted to accurately track the large-range long-track moving object, and high measurement accuracy is ensured.

The invention provides a simple mechanical arm and belongs to the technical field of mechanical arms. The simple mechanical arm solves the technical problems that an existing mechanical arm is large in size, complex in structure and inflexible to operate. Thee simple mechanical arm comprises a mechanical arm assembly, a first control mechanism, a front arm body, a second control mechanism, a third control mechanism, a main arm, a fourth control mechanism and a base. The mechanical arm assembly is used for clamping workpieces. The first control mechanism controls the mechanical arm assembly to rotate circumferentially and swing. One end of the front arm body is connected with the first control mechanism. The second control mechanism is capable of controlling the main arm body to rotate. The third control mechanism is capable of controlling the second control mechanism to swing in the vertical plane. One end of the main arm body is fixedly connected with the third control mechanism. The fourth control mechanism is capable of controlling the main arm body to swing in the vertical plane. The base is rotatable, and the fourth control mechanism is arranged on the base. Through the four control mechanisms, the mechanical arm can move flexibly in different planes, the simple mechanical arm is wider in movement range and higher in flexibility, and therefore the working efficiency of the mechanical arm is improved.

The present invention discloses a vibration active control testbed. The vibration active control testbed comprises a base plate, two optical axes symmetrically and vertically fixed at the base plate,a door-shaped support located between the two optical axes, and an adjustable motor vibration device fixedly arranged at the top end of the door-shaped support, sliding bearings sliding up and down along the optical axes are respectively fixed at the middle portions of the two outer sides of the door-shaped support, a plurality of replaceable combined mass blocks are fixedly arranged at the bottomend of the door-shaped support, a plurality of bolt through holes configured to install an active vibration absorber are uniformly arranged at the upper end faces of the combined mass blocks, and spring connection mechanisms connected and fixed on the base plate or actively suspended counterbore holes are uniformly arranged at the lower end faces of the combined mass blocks. The vibration activecontrol testbed is simple and reliable, simple to operate, high in flexibility, visual in effect and low in cost, can be used for verification of the vibration reduction effect of the active vibrationabsorber and the active suspension, and is large in reconstruction space, wide in application range and low in manufacturing cost.

The invention discloses a method and a system for managing user-defined script type baseline items. The method comprises the following steps: supplying a function of configuring user-defined safe baseline items to a user on the basis of supplying official knowledge base packet and on the basis of a safe baseline function of a safe reinforcing system of a tide SSR host computer; adding the user-defined script type baseline items on the page of a central management platform by the user; sending the baseline items and the baseline items supplied by the manufacturer to a client terminal; feeding back a check result by the client terminal after completing operation. The method and the system have the characteristics of being strong in flexibility and strong in customization as a supplement of a safe baseline knowledge base management system in current tide SSR host computer safe reinforcing system.

The invention provides an underground state determination method and device and a state control method and device. The underground state comprises an overflow state, a leakage state and a non-overflow and non-leakage state. The underground state determination method comprises collecting pumped drilling liquid flow parameters and real-time flow parameters of the returned drilling liquid, wherein the real-time flow parameters comprise the instantaneous quality, the instantaneous volume flow and the density of the drilling liquid; determining the instantaneous quality, the instantaneous volume flow and density change values of the pumped drilling liquid and the returned drilling liquid according to the pumped drilling liquid flow parameters and the flow parameters of the returned drilling liquid; determining the real-time underground state according to the instantaneous quality, the instantaneous volume flow and the density change values of the pumped drilling liquid and the returned drilling liquid. According to the underground state determination method and device and the state control method and device, the three parameter methods are matched with each other, meanwhile the influence of the time is considered, the instantaneous analysis, the static correction and the long time observation are performed on the parameters, and accordingly the accuracy of the judgment result can be ensured.

The invention belongs to the technical field of a biological medical dressing, and particularly relates to a calcium alginate biological composite medical dressing and a preparation method thereof. The calcium alginate biological composite medical dressing comprises a nonwoven fabric layer and a composite dressing functional layer, and is characterized in that the composite dressing functional layer covers the nonwoven fabric layer; the composite dressing functional layer consists of calcium alginate fiber and functional chitosan fiber. The preparation method comprises the following steps of (1) preparing the nonwoven fabric layer; (2) preparing the composite dressing functional layer; (3) puncturing the nonwoven fabric layer and the composite dressing functional layer by a needle; (4) performing cutting, packaging, sterilization and warehouse entering on the biological composite dressing. The dressing can be used for treating various kinds of skin injury such as operation wound, burn and scald wound surfaces and the like; the effects of hemostasis, hemoglutination, bacteriostasis, inflammation diminishing and wound healing promotion are achieved; in addition, the strong force of the alga fiber strong force is improved; the production process is simple; green and environment-friendly effects are achieved; the cost is low.

The invention provides a controlling method and device of non-contact type gesture recognition. The controlling method comprises the following steps: S1, storing a plurality of preset gesture movementtraces and control commands respectively corresponding to the plurality of preset gesture movement traces; S2, acquiring image information; S3, identifying a current target gesture movement trace according to the image information; S4, judging whether the target gesture movement trace is matched with the corresponding preset gesture movement trace or not, and executing a step S5 if the target gesture movement trace is matched with the corresponding preset gesture movement trace; and S5, executing the corresponding control commands. Through the controlling method and device of the non-contacttype gesture recognition disclosed by the invention, an interaction function of image acquisition on human hands is realized, and tracking of gesture movement is realized, and the device has the characteristics of not limiting to a mobile terminal screen, a large amplitude range of gestures, strong flexibility and support of a variety of gestures; and moreover, the gestures can be accurately positioned and recognized, and use experience of people can be conformed more preferably.