35results about How to "Simplified implementation" patented technology

The invention provides a three-dimensional face modeling method to achieve efficient three-dimensional face modeling. The method includes the steps that an original image and a standard model are obtained; the bone point information is obtained according to the standard model; a feature point is marked on the original portrait and the coordinate information of the feature point is recorded; first conversion is conducted on the original portrait; second conversion is conducted on the standard model; the surface of the standard model generated after the second conversion is conducted is unfolded according to the preset method to form a texture image; the original portrait generated after the first conversion is conducted is mapped to the texture image. The invention further provides a corresponding three-dimensional face modeling device for implementing the three-dimensional face modeling method. According to the technical scheme, the three-dimensional face modeling method and device are simple in operation mode, good in fitting effect and high in degree of reduction; meanwhile, the method and device are higher in implementation speed and higher in efficiency, the processes of implementation and calculation are simplified, the data collection process is simplified, practicability and adaptability of a system are improved, and the method and device have great advantages in situations of low requirement for the face depth information.

The invention discloses an anti-counterfeiting traceability method and device based on a block chain and a storage medium, and belongs to the technical field of block chains, and the method comprisesthe steps: storing transaction data which are sent by a data provider and contain anti-counterfeiting information into the block chain; Correspondingly storing the transaction identifier generated bythe transaction data, the block information of the block where the transaction data is located and the storage position information of the transaction data in the block into a block chain; Returning the transaction identifier to the data provider, so that the data provider shares the transaction identifier with the data query party; And if a query request which is sent by the data query party andcarries the transaction identifier is received, querying the anti-counterfeiting information by using the transaction identifier, and a query result is returned to the data query party. According to the embodiment of the invention, the method does not depend on an intelligent contract, does not need the offline storage, reduces the scale and complexity of a local account book, reduces the storagerequirement, greatly improves the performance of a block chain, and simplifies the design and implementation of a block chain system.

The invention discloses a document management method, comprising the following steps: establishing a shared folder on a document server for storing an electric document to be managed; establishing a logic correspondences between a software user and a system user; defining the shared permission of the software user to the shared folder; using a hidden a system username and password to operate a client procedure of management software; visiting and operating the shared document through the client procedure of the management software by the software user; and realizing the management function for the document in the client procedure of the management software. In the invention, the document is stored in the shared folder in the document server and the hidden username and password of the document server system with the shared permission of the shared document folder are used to operate the client procedure of the management software, so that the client procedure can safely and directly operate the document in the shared document, simplifies the processing logic and the realization method of the document management software, and improves the operation efficiency and the system stability of the software.

Each network edge node maintains the two tablets of the connection map: the entrance and exit. With being received the interface message of the user network sent by the client device, the relation between the corresponding network internal connection and the local connection of the user network interface are created, deleted and looked up on the connection map. The interface message of the user network is turned to 'private object', which is sent out together with the network internal signaling. With the signaling message with the interface object of the corresponding user network being received, the remote edge nodes create, delete or look up corresponding local connection of the user network interface, which is sent to client devices.

The present invention discloses a data backup system utilizing layered structure to realize data high usability and safeness. System is divided 5 layers, which are application layer, service layer, presentation layer, abstraction layer, and physical layer. Said Physical layer is every hard ware manufacturer provided different kinds of disk arrays and tape library; abstraction layer interaction with physical layer in system, said layer to proceed different driving design through different hard ware manufacturer storage facility; presentation layer corresponding uses command with different hardware unit provided command and information, capable of extension else storage facility; service layer providing user visualization data backup system; application layer providing required application system to satisfy different trade industry operational properties. Said system is a high efficiency, high reliability data backup system, having network long-distance backing up, real time backing up, fast backing up and timing backing up function.

The invention discloses a bidirectional DC / DC converter capable of freely reversing, and a control method thereof. The bidirectional DC / DC converter comprises a high-voltage filtering unit, a full-bridge push-pull high-frequency isolation transformation unit, a filtering energy storage unit, a low-voltage filtering unit and a digital control system, wherein the high-voltage filtering unit stabilizes a high-voltage DC voltage; the full-bridge push-pull high-frequency isolation transformation unit realizes high-frequency isolation bidirectional power transmission of the converter; the filtering energy storage unit reduces low-voltage output current ripples when the converter is in positive step-down operation, and serves as a step-up inductor for energy storage when the converter is in negative step-up operation; the low-voltage filtering unit filters out a high-frequency ripple current so as to reduce the low-voltage side voltage ripples; and the digital control system realizes bidirectional power transmission and free reversing operation functions of the converter. The control method comprises the steps of sampling, conditioning and filtering, analog-to-digital conversion, digital filtering, voltage control signal updating, current control signal updating, digital PWM modulation, and PWM signal power amplification. The bidirectional DC / DC converter is capable of freely reversing in two directions, and the control method is simple and reliable.

The invention relates to a model simplification method based on significant color attribute character preservation, belonging to the computer graphics and virtual reality technical field. The method comprises the steps of: reading in original grid model data, and formalizing a grid model, including vertex geometrical position and color attribute formalization; calculating a secondary error matrix of all vertexes; calculating attribute significance on the model to obtain the attribute saliency of all vertexes; calculating geometrical attribute errors and color attribute errors of edges to be collapsed to obtain the collapse cost of the edges to be collapsed; and ordering all the edges from small to large according to the collapse cost; selecting an edge of minimal cost for collapse operation, and updating correlated information, including global characteristic importance and associated edge collapse cost; and repeating collapse operation until achieving a simplification requirement or an empty heap. The method can well simplify a grid with attributes, meanwhile effectively maintain model color significant attribute characteristics, and still preserve model color significant characteristics when a simplification rata reaches 90%.

The invention provides a bidirectionally swinging mechanism for an airspace engine. The A shaft and C shaft of a cross are respectively fixedly provided with a fixed support I and a fixed support II in fixed connection with a pedestal supporting frame; the B shaft and D shaft of the cross are respectively fixedly provided with a support rotation block I and a support rotation block II in fixed connection with solenoid valves of the engine; a motor I is fixedly connected with the fixed support II, and the power output terminal of the motor I is fixedly connected with a square load-bearing shaftI arranged on the outer end of the C shaft; and a motor II is fixedly connected with the support rotation block II, and the power output terminal of the motor II is fixedly connected with a square load-bearing shaft II arranged on the outer end of the D shaft. The bidirectionally swinging mechanism provided by the invention can realize swinging in two directions perpendicular to each other; through usage of internal pipelines on the cross, construction of the swinging mechanism and arrangement of engine pipelines are simplified; and the bidirectionally swinging mechanism can meet the requirement of the airspace engine for swinging movement in perpendicular directions under specific working conditions.

The invention discloses a storage head node of a blade server. The storage head node comprises a storage control unit, a magnetic disk storage unit and a hard disk backplate, the storage control unit is used for receiving and storing data information, processing the data information according to computation tasks of other storage heat nodes and performing feedback, the data information is read and written through read-write control instructions of an SAS unit and the hard disk backplate, the SAS unit converts the data information into data information of SAS signals and writes the the data information of the SAS signals in the magnetic disk storage unit, the magnetic disk storage unit writes in or reads the data information of the SAS signals which are subjected to the SAS unit according to a received writ-in control instruction or a received reading control instruction, and the hard disk backplate is used for realizing reading and writing of the data information according to a read-write control instruction from the storage control unit. Reading and writing of the data information are realized through the control instructions of the SAS unit and the storage control unit to complete the computation tasks and feed the completed computation tasks back to the corresponding storage head nodes, and unified management of storing and processing of the data information is realized.

The invention discloses a carrier-rocket-oriented method for simplifying fluid and solid coupling simulation geometric models. The carrier-rocket-oriented method includes steps of 1), retrieving all components in assemblies and rejecting the components in unqualified shapes; 2), selecting optional one sheet to be used as a center, retrieving surrounding sheets and combining the sheets with the selected sheet to form a closed body; 3), retrieving factors of all the components under the assemblies, selecting geometric features, selecting geometric feature faces by means of feature recognition and labeling or deleting attributes for the geometric feature faces; 4), selecting the geometric features, setting size thresholds, comparing the sizes of the selected geometric features to the size thresholds and rejecting the geometric features which do not conform to requirements; 5), judging whether geometric simplification is used for hydrodynamics profession or not; 6), computing encircling boxes of the components, solving integral shapes of the assemblies and shelling the integral assemblies to obtain geometric shapes of the integral assemblies; 7), selecting updated assemblies, and creating spatial domains so as to complete geometric simplification work oriented to fluid and solid coupling simulation. The geometric feature faces selected by means of feature recognition at the step 3)correspond to the geometric features selected at the step 3).

The invention discloses a geometric figure simplification method for a BIM model. The geometric figure simplification method comprises the following steps: 1, acquiring surface geometric data of a BIMmodel body; 2, judging whether a certain grid surface of the BIM model is a triangular surface or not; judging whether the grid is a triangular patch or not according to the number of vertexes of a certain grid of the BIM model; when the polygon is a triangular surface, carrying out triangular patch merging simplification on the polygon, and then carrying out boundary line simplification on the merged polygon by adopting a three-point method; 3, according to a short edge principle, moving a point deleted after simplifying the boundary line of the polygon to the other vertex of the short edgein the adjacent edges; and 4, according to the obtained material information, endowing the simplified model with corresponding material attributes according to grid division. According to the geometric figure simplification method, simplification of triangular patches and boundaries of geometric data of the BIM model can be quickly realized; and by judging the shapes after combination, the advantages of the original geometric figure characteristics of the BIM model can be reserved.

The invention discloses a rotor piezoelectric damping elastic support device, and belongs to the technical field of rotor damping. The device comprises a mouse cage type elastic support part and a piezoelectric module; the piezoelectric module is fixed on the mouse cage type elastic support part; and the mouse cage type elastic support part is provided with multiple even mouse cage bars with the same geometric sizes. The piezoelectric module comprises distributive piezoelectric chips, circuit resistors and connecting circuits; and the piezoelectric chips are arranged on the outer sides of allthe mouse cage bars, and are placed on root parts connected with fastening flanges and on root parts connected with bearings. Outer side electrodes of the piezoelectric chips are connected into the circuit resistors; the circuit resistors comprise three types of a resistance type, an inductance-resistance type and a negative capacitance-resistance type; the circuit resistors and the piezoelectricchips are connected through the connecting circuits; and connecting modes comprise a branched circuit mode or a network circuit mode. The device reduces the machining demands of installation of outerrings on the bearings, simplifies the design of support structures, and provides the design margin for actual engineering design.

The present invention provides a simplification method and apparatus for a road network. The method comprises: partitioning a to-be-simplified road network into a plurality of to-be-simplified paths, and acquiring a path sequence of the to-be-simplified paths, wherein the path sequence is a sequence which is obtained according to a preset rule and contains each point om the to-be-simplified paths; searching for supporting points in the path sequence to obtain a supporting point sequence of the to-be-simplified paths; and determining a simplification path according to starting points of the to-be-simplified paths, the supporting point sequence and end points of the to-be-simplified paths so as to realize simplification on the to-be-simplified road network. The above method can keep a geometry topology relationship between the points, and effectively reflects path distribution.

The invention discloses a method applied to simplification of a random-configuration bistatic synthetic aperture radar echo frequency spectrum. The method comprises the following steps: initializing parameters, discretizing a GBSAR frequency spectrum phase, carrying out approximation of frequency spectrum phase space function, weighing and summating sum of frequency function of the frequency spectrum to obtain a simplification expression. The method applied to simplification of the random-configuration bistatic synthetic aperture radar echo frequency spectrum has the advantages that the linear fitting of the space composite function and frequency composite function in the GBSAR frequency spectrum phase is carried out by a discrete linear least squares method, the GBSAR frequency spectrum is simplified from the polynomial sum to the binomial sum, efficient focusing and imaging are implemented according to the simplification equation by an efficient frequency domain image processing technology, and the GBSAR frequency spectrum is simplified with high efficiency and high accuracy.

The invention aims to provide a method and equipment for configuring an application in a cloud computing environment. A CCM server is introduced; the CCM server receives a subscription request from a first application example; the subscription request includes an application type subscribed by the first application example; when a configuration updating report from a second application example is received, whether an application example subscribing the application type exists or not can be judged; and if so, a notification message is sent to the subscribing application example. By means of the invention, the method is simpler to realize; network set is more flexible; and the system performance is steadier.

The invention discloses a processor chip emulator with a nonvolatile memory. Code coverage configuration is written to a control logic module by a monitoring module through a write channel; accordingto the code coverage configuration, if a received write operation target address is in the code coverage configuration, the control logic module performs a transparent channel function and directly connects a first standard data / address bus connected with a processor core with a second standard data / address bus connected with an SRAM equivalently in terms of function and performance; if the received write operation target address is not in the code coverage configuration, the control logic module can emulate a write operation sequential control function and write operation sequential control performance of an equivalent nonvolatile memory and can be used in cooperation with the SRAM to be equivalent to a write operation time sequence and function and write operation performance of the nonvolatile memory in a product chip. According to the processor chip emulator, not only is the consistency of the function and the performance of the emulator guaranteed, but achievement and usage modesof a system are simplified.

An embodiment of the present invention provides a state machine, where the state machine includes: a rule module for pre-establishing division rules for character sets to be recognized, the division rules including features on which character sets are divided; an editing module for The feature on which the character set is divided in the division rule is a state machine editing regular expression; the pre-classification module is used to pre-classify the characters in the character set to be recognized by using the division rule; the state recognition module is used to use the Regular expressions identify a divided set of characters to be recognized.

The invention relates to a three-dimensional grid simplifying method and device, electronic equipment and a storage medium. The method comprises the steps: acquiring a three-dimensional grid model of a target object, and converting the three-dimensional grid model into a two-dimensional grid image, wherein the three-dimensional grid model comprises a plurality of three-dimensional triangles; obtaining a two-dimensional mask image, wherein the size of the two-dimensional mask image is the same as that of the two-dimensional grid image, the two-dimensional mask image comprises a target mask area; determining a two-dimensional target area corresponding to the target mask area in the two-dimensional grid image, wherein the two-dimensional target area comprises a plurality of two-dimensional target triangles; and determining a three-dimensional target triangle corresponding to the two-dimensional target triangle in the three-dimensional grid model, and taking a three-dimensional grid formed by the three-dimensional target triangle as a simplified three-dimensional simplified grid. According to the scheme, the three-dimensional grid of the human face can be effectively simplified, and the refined beauty makeup special effect on the specific area can be achieved in various scenes.

The invention relates to a knowledge simplification and display method and device, electronic equipment and a computer readable medium. The method comprises the steps of obtaining knowledge points under a target question, wherein the knowledge points comprise knowledge point numerical values; determining a discrete degree index of the knowledge points under the target problem according to the knowledge point numerical values of the knowledge points; dividing the knowledge points under the target question into a plurality of levels according to the discrete degree indexes of the knowledge points under the target question; constructing a tree structure according to the plurality of hierarchies; and displaying the target question according to the tree structure. According to the knowledge simplification and display method and device, the electronic equipment and the computer readable medium, the display mode of knowledge can be simplified, and the overall complexity of question filling is reduced.

The embodiment of the invention provides a reconciliation method and device based on parameter preprocessing. The method comprises the steps of generating core account main table data according to core data and peripheral system data; according to the parameter configuration table data and the core account main table data, generating a temporary data table capable of representing an account and reconciliation rule relation; and generating a reconciliation bill according to the temporary data table and the peripheral system data. According to the embodiment of the invention, a parameter pre-processing process is added before calculation of the reconciliation bill and the like, so that the realization program of the reconciliation rule is simplified, and later maintenance is facilitated.

The embodiment of this specification provides a method and device for reconciliation based on parameter preprocessing. The method includes: generating core account master table data according to core data and peripheral system data; generating a temporary data table capable of representing the relationship between accounts and reconciliation rules according to the parameter configuration table data and the core account master table data; Temporary data tables and the peripheral system data, generate statements. The embodiment of this specification adds a parameter pre-processing process before the calculation of the account statement, etc., which simplifies the implementation procedure of the account reconciliation rules and facilitates later maintenance.

The invention discloses an intelligent video monitoring system and method with a fire / intrusion information authenticity verification function, and the system comprises an indoor aisle video monitoring subsystem, an outdoor panoramic video monitoring subsystem, an intelligent data transmission gateway, a wireless fire detector, a wireless intrusion detector, a power supply device, and an intelligent supervision terminal. The power supply device is used for supplying power to each subsystem; the indoor aisle video monitoring subsystem comprises a plurality of indoor serial port cameras and an intelligent image transmission gateway. The outdoor panoramic video monitoring subsystem comprises outdoor serial port cameras and an intelligent image transmission controller. And after receiving thealarm signal of the wireless fire detector or the wireless intrusion detector, the intelligent data transmission gateway firstly sends the alarm signal to the intelligent supervision terminal and thenforwards the alarm signal to the intelligent image transmission gateway, and the intelligent image transmission gateway acts according to the type of the alarm signal. According to the technical scheme, the problem of high false alarm probability generally existing in the current cultural relic building intelligent safety protection system can be solved.

The invention discloses a grounding impedance tester, and belongs to the impedance measuring technology field. The grounding impedance tester comprises a program-controlled current source, a current measuring module, a voltage measuring module, and a control calculation module. The current source is used to apply the incremental testing current to a tested grounding network. The current measuringmodule is used to measure the incremental testing current. The voltage measuring module is used to measure a ground interference voltage generated by the measured ground interference current on the grounding impedance of the tested grounded network. The synthesized voltage generated by the synthesized current of the ground interference current and the incremental test current on the grounding impedance can be measured. The control calculation module is used to control the program-controlled current source to output the increment test current, the frequency and the phase of which are the same as that of the tested grounding network according to the measured ground interference voltage signal. According to the measured incremental test current and the measured ground interference voltage andthe synthesized voltage, the grounding impedance is calculated.

The invention provides a lightweight service terminal health detection system. The system comprises a central server and a service terminal, the central server is sequentially provided with a detection service module, a detection storage module, service middleware, a detection display module and a connection agent module; the service terminal is sequentially provided with a detection execution module and a detection agent module, and the detection execution module is configured to be connected with a detection display agent. According to the invention, the detection service module, the detection storage module, the service middleware, the detection display module and the connection agent module on the central server as well as the detection execution module and the detection display agenton the service terminal are utilized to achieve a lightweight service terminal health detection technology, the function development and implementation of service terminal detection requirements are simplified, and the labor cost and the time cost are greatly reduced.

The invention discloses a model simplification method and device, electronic equipment and storage equipment, and relates to the field of buildings. The method comprises the following steps: acquiring at least one target geometric instance in a target model; performing geometric discretization processing on each target geometric instance to generate discrete grid data corresponding to each target geometric instance; and simplifying the discrete grid data, and updating the target model based on the simplified data so as to simplify the target model. The discrete grid data is simplified by adopting the method, and the target model is updated based on the simplified data, so that the simplification of the target model is realized. Therefore, the simplified target model is convenient to share and exchange. Moreover, the method can effectively recognize and remove the local detail features of the target model, only keeps the main contour of the target model, and effectively reduces the geometric complexity of the target model.

The invention belongs to the field of large-scale heavy-duty robots, in particular to a projection kinematics control method of large-scale heavy-duty mechanical arms. It includes the following steps: establish a three-dimensional geometric model of the mechanical arm according to the actual mechanical arm; set multiple projection surfaces; perform projection mapping on the three-dimensional geometric model, and obtain the joints J1-J4 and the end point EE of the end effector on each projection surface The projection; according to the three-dimensional geometric model and the projection on each projection surface, the joint angle θ is obtained 1 , θ 2 , θ 3 , the elongation of J4 and the corresponding relationship with EE. Get the joint angle θ according to EE 1 , θ 2 , θ 3 The rotation angle is used as the input value of the joint motor, and the actual angle of the joint is used as the feedback value, and the joint rotation is controlled through closed-loop control to realize the movement of the mechanical arm. The projection kinematics control method proposed by the present invention is an analytical solution method, and compared with other numerical solution methods, iterative solution is not required, the solution efficiency is high, and the real-time requirement of the control system is guaranteed.

The invention discloses a fault diagnosis system and method for an excavator. The system comprises a diagnosis fault code reading module used for obtaining diagnosis fault information, an input and output control module used for replacing an ECU input signal value or an output port, and a routine control module used for remotely requesting a starting routine, a stopping routine or requesting an execution result of the routine. According to the fault diagnosis system, the current fault information and the historical fault information can be obtained, the execution mode of fault obtaining is simplified, the diagnosis range is expanded through input and output control and routine control, and the excavator fault can be positioned through a man-machine interaction mode.

The invention discloses a method for achieving unvarnished transmission of a timestamp on the basis of a network system which is formed by a client connected with a background server through the Internet and a four-layer proxy server under the condition that the system runs under an SYN Cookie / SYN Cache mechanism. The method mainly comprises the process as follows: the client sets a TCP timestamp option to be zero in transmission control protocol (TCP) connection handshake with the background server through the internet and the four-layer proxy server. Compared with the prior art, by adopting the method disclosed by the invention, the performance of the four-layer proxy server is improved, and design and achievement of supporting the timestamp option by the four-layer proxy server are simplified.

The invention discloses a high-precision rolling displacement detecting device comprising a rolling wheel roller, a rolling bearing, a friction wheel, a coded disk and a displacement output part, wherein the rolling wheel roller is connected with the rolling bearing and the friction wheel and is supported by the roll bearing to drive the friction wheel to rotate; the front of the friction wheel is connected with a small shaft part of the rolling wheel roller through the rolling bearing; the rear of the friction wheel is connected with the coded disk and transmits the output rolling displacement to the coded disk in a form of the friction force; the coded disk and the friction wheel are connected with the displacement output part through a signal wire; and the connection among the rolling wheel roller, the rolling bearing and the friction wheel is realized by the small shaft part of the rolling wheel roller. The device has the characteristics of scientific concept, simple structure, low cost, high speed and high precision; and the rolling displacement is detected by the coded disk in a pulse manner. The high-precision rolling displacement detecting device can be applied to the fields of industries and control, such as industrial scanning and imaging equipment, high-precision driving equipment, and the like and has broad market prospect and high application value.

The invention discloses a method applied to simplification of a random-configuration bistatic synthetic aperture radar echo frequency spectrum. The method comprises the following steps: initializing parameters, discretizing a GBSAR frequency spectrum phase, carrying out approximation of frequency spectrum phase space function, weighing and summating sum of frequency function of the frequency spectrum to obtain a simplification expression. The method applied to simplification of the random-configuration bistatic synthetic aperture radar echo frequency spectrum has the advantages that the linear fitting of the space composite function and frequency composite function in the GBSAR frequency spectrum phase is carried out by a discrete linear least squares method, the GBSAR frequency spectrum is simplified from the polynomial sum to the binomial sum, efficient focusing and imaging are implemented according to the simplification equation by an efficient frequency domain image processing technology, and the GBSAR frequency spectrum is simplified with high efficiency and high accuracy.