584results about How to "Avoid dependency" patented technology

The invention relates to one digital mobile communication technique suitable for one transmission base station monitor method and system based on wireless mobile terminal, which uses GSM communication network short message channel to sort monitor data and to transmit on focus degree, wherein, the alarm information and inquire information send by real time and the operation information without alarm sends method and process technique to form alarm guide base station monitor system by network monitor center, base station and other human cell phone network.

The invention discloses a two-dimensional code based block chain logistics source-tracing tracking and anti-counterfeiting method. The method takes a source-tracing tracking and anti-counterfeiting system as a basis. The source-tracing tracking and anti-counterfeiting system comprises a block chain background system capable of being publicly authenticated, a block chain gateway system, a mobile intelligent reading and writing terminal, a cache database and two-dimensional code anti-counterfeiting label. The method comprises the steps of (1) generating a two-dimensional code anti-counterfeiting label; (2) initializing the anti-counterfeiting label; (3) activating by a manufacturer; (4) adding information by an intermediate merchant; and finally (5) performing verification by a user, wherein the two-dimensional code becomes invalid after the user verifies the authenticity. The method disclosed by the invention can solve problems of trust dependence of the user for each node, trust dependence of the user for a third-party, dependence of the user for technologies, trust dependence of the user for an anti-counterfeiting identifier and trust object dislocation in each link of product logistics, is low in entry threshold and can greatly improve the anti-counterfeiting safety and reliability.

The invention is suitable for the technical field of computers, and provides a system micro-servitization method and terminal equipment. The method comprises the following steps of: receiving a targetmicro-service access request sent by a consumer; searching a configuration file of a target micro-service in a central server according to the target micro-service access request; if the configuration file is searched, reading file parameters of the searched configuration file and accessing the target micro-service according to the read file parameters; if the target micro-service is not responded or wrongly responded, accessing a standby micro-service, and carrying out statistical analysis on a non-response or wrong response frequency of the target micro-service; and if the frequency exceedsa preset frequency threshold value, starting fuse protection. According to the method, target micro-services are replaced by accessed standby micro-services, so that the system complexity can be reduced, the coupling degree between different function modules can be decreased, and resource conflicts between application service system modules can be solved; and single services are modified withoutdeploying the whole system, so that the problem that the modification process of single services is tedious and complex is solved.

The invention provides an indoor positioning method. The indoor positioning method comprises the following steps: firstly collecting initial positioning information of a target object, wherein the initial positioning information includes an arbitrary number of surrounding WiFi hotspot information, surrounding Bluetooth equipment information, geomagnetic information, atmospheric pressure information and TC-OFDM multimode sensing signals; then selecting a corresponding initial positioning method according to the collected initial positioning information and a preset screening strategy; carrying out initial positioning by virtue of the initial positioning method, so as to obtain an initial positioning result of the target object; besides, collecting inertial navigation data generated during the indoor walking of the target object; and finally positioning and tracking the target object by virtue of a preset positioning-tracking method according to the initial positioning result and the inertial navigation data, so as to obtain real-time positioning information of the target object. By virtue of the indoor positioning method, the indoor positioning is realized by combining the initial positioning method with the positioning-tracking method, the compatibility is strong, the application range is wide, a large number of network nodes do not need to be distributed, the positioning is accurate, and the cost is relatively low.

The invention discloses a fault diagnosis method based on local mean decomposition (LMD), singular value decomposition (SVD) and an extreme learning machine (ELM), and aims to increase the accuracy of bearing fault diagnosis under a variable condition. The method comprises the following steps: firstly, decomposing a nonlinear and unstable original vibration signal into a series of product functions (PFs) by adopting an efficient adaptive signal processing method LMD, wherein each PF component is a product of an envelope signal and a pure frequency modulated signal having physical meaning; secondly, processing the PF components by adopting the SVD to compress a feature vector scale and obtain a more stable feature vector value; lastly, classifying a bearing fault state by applying the ELM having higher application computation efficiency and higher classification accuracy based on an extracted feature vector. By adopting the fault diagnosis method based on LMD-SVD-ELM, a set of complete and valid variable-condition fault diagnosis scheme is provided for a bearing. The method has a very good practical engineering application value.

A process for synthesizing silicon nitride powder by atmospheric pressure combustion includes such steps as proportionally mixing Si powder with catalyst, adding silicon nitride for activating and combustion reaction. Its main product is Si3N4.

The invention relates to a computational simulation method of a flow slide catastrophe of a rock and soil material, belonging to the technical fields of computational rock and soil mechanics, geologic hazard prevention and control and geologic environment protection. Aiming at the limitation that the conventional grid-based computing method is only suitable for small-deformation analysis, the invention discloses a computational simulation method of an entire flow slide catastrophe process of the rock and soil material based on smoothed particle hydrodynamics (SPH). According to the method, a Navier-strokes equation is used as a control equation, solid phase and liquid phase of the rock and soil material are described by using a sub-load face Cambridge model and an incompressible fluid constitutive model respectively, porous medium theory and darcy law are introduced to calculate solid-liquid coupling acting force, and a computation model, which considers the full coupling of water and soil, of the flow slide catastrophe of the rock and soil material, is established. According to the computational simulation method, the entire process of large-deformation flow damage of the rock and soil material can be effectively represented, and the fluidization characteristic of the rock and soil material is captured, so that powerful scientific basis is provided for engineering design, engineering construction, disaster prevention and reduction and the like of high-risk areas of the flow slide disaster, and meanwhile, application of the computational rock and soil mechanics in the technical fields of actual engineering construction, geologic hazard prevention and control and the like is forcefully promoted.

The invention provides a target object tracking method based on color-structure features. The method includes the steps that object detection is conducted on video images, and at least one object in the current image is acquired; super-pixel segmentation is conducted on the object according to pixel color information; according to super-pixels meeting preset conditions in the object, the color feature and the structure feature of the object are determined; the color feature and the structure feature of the object are compared and matched with the color structure and the structure color of an object to be tracked in an object model database, a target object to be tracked in the image is determined, and the position information of the target object in the current image of a video is recorded; in a next image of the video, the steps are repeated, the color structure and the structure feature of a target object are compared and matched with the color feature and the structure feature of the target object in the former image of the video, the target object to be tracked in the image is determined, and the position information of the target object is updated. By means of the method, the accuracy and the robustness of single-texture target tracking through a video tracking algorithm are effectively enhanced.

The invention discloses a method for obtaining dynamic password based on PKI-SIM card. The method includes: PKI-SIM card judges OPT service whether open or not according with appointed disposable dynamic password, if not open, OPT service is customed to system, PKI-SIM card gives PKI-SIM card mark and secret key from itself to SP background server in course of customing OTP service; after the OPT service opened, PKI-SIM card generates dynamic password by using PKI-SIM card mark and secret key. The invention can avoid many limitations caused by traditional token card technique because of time synchronization by using date synchronization method of PKI-SIM card and SP background server.

The invention discloses a surrounding rock deformation early-warning construction method for small-diameter tunnel full-section excavation. The surrounding rock deformation early-warning construction method for small-diameter tunnel full-section excavation comprises the following steps of (1) carrying out the earlier-stage geological survey and rock core sampling, finding out the position and the trend of a joint fissure of the terrane, determining parameters of surrounding rock through soil tests, classifying the surrounding rock and summarizing the types of the surrounding rock to form a list, and determining the design of the multipoint displacement meter installation scheme according to the results of the geological survey; (2) carrying out tunnel excavation and installation of multipoint displacement meters; (3) carrying out the middle-stage geological survey; (4) recording the installation time of the multipoint displacement meters; (5) determining a surrounding rock deformation early-warning value; (6) carrying out observation recording on data of the multipoint displacement meters, and determining remediation treatment measures of the dangerous section.

The invention relates to a voice converting system and method using blind voice separation. The voice converting method comprises the steps of: applying a blind voice separation method which combines sub-band decomposition with ICA (Independent Component Analysis) in a voice input module at the front end of the voice converting system to separate a mixed signal including background noise and expected voice, and converting the expected voice obtained through separation and subjected to an unequal-length framing process to realize conversion of specific voice of people in a noise environment.

The invention discloses a no glue bonding middle or high-density fiberboard preparation method, its process steps are: (1) preparing dissolvant; (2)collecting and processing plant fiber materials; (3) feeding materials; (4) reaction; (5) solvent recovery; (6) beating and separating hemi-cellulose; (7) activating lignin; (8) render hydrophobic; (9) blank plate pavement; (10) hot (or cold) pressure molding. The advantages are: (1) the problem of free formaldehyde releasing in middle fiber plate is completely resolved; (2) so the herbaceous plant fiber has same economic value with woody plant and is used in the production of middle or high-density fiberboard fully; (3) the plant fiber materials are used fully, it basically has not the waste emissions problems.

The invention discloses a topological optimization design method of a self-supporting structure for additive manufacturing, and belongs to the related technical field of structure optimization design.The method comprises steps of calculating and constraining a suspension angle alpha through a four-unit method; and obtaining the suspension structure of the self-supporting structure in additive manufacturing by combining suspension angle constraint and SIMP method. The suspension structure needing to be supported can be effectively restrained, adding of the supporting structure is avoided, theusing amount and cost of consumables are effectively reduced, and the surface quality of a workpiece is improved; in addition, the calculation method is completely suitable for a continuum structure,high in flexibility, wide in application range, extremely easy to be implanted into a topological optimization framework as an extension module, and simple and feasible.

The invention discloses a power transmission line unmanned aerial vehicle autonomous inspection system. The system comprises ground station equipment, an unmanned aerial vehicle and an unmanned aerialvehicle positioning module, an autonomous inspection task is sent to the unmanned aerial vehicle through the ground station equipment, a flight control module of the unmanned aerial vehicle autonomously controls the unmanned aerial vehicle to execute the inspection task, and collected inspection data is sent to the ground station equipment to be stored. According to the invention, manual intervention can be reduced; the unmanned aerial vehicle can automatically collect and store the inspection data, reduce dependence of the unmanned aerial vehicle on people in the power transmission line inspection application, avoid instability caused by other factors such as operation habits and physical conditions of operators, realize automation of the unmanned aerial vehicle in the power transmissionline inspection application, reduce labor cost, and improve consistency and reliability of the inspection data; the two sets of unmanned aerial vehicle positioning modules are used for positioning the unmanned aerial vehicle, so that the position acquisition stability of the unmanned aerial vehicle is ensured.

The method includes following steps: a) the testing front stage uses preset reference sound file to generate sound data; the sound data is sent to mobile terminal, and is fed back to the testing front stage from mobile terminal via loop back; b) the testing front stage makes separation and extraction for the received feedback sound data to form degrading sound data file; c) with the reference sound file and the degrading sound file, estimation and calculation is made for the sound quality to acquire the quality of sound loaded by tested system. The invention also discloses a device for testing sound quality consists of operating unit, front and back stage communication unit, data generating unit, sendreceive control unit, reception extracting unit, and estimation and calculation unit.

The invention provides a non-linear model prediction control method for a double planetary gear row type hybrid electric vehicle. According to the method, based on the predicted rotation speed of the finished vehicle and the torque requirement, optimization solution is conducted on an objective function during the prediction time interval through a non-linear optimization algorithm, the optimal control sequence of controlled quantities is obtained, and the required torques of a power system engine, a motor, a power generator and a brake system are determined by combining the first controlled quantity of the control sequence with kinetic equations of the double planetary gear row type hybrid electric vehicle in various modes. According to the characteristic that the number of working modes of the double planetary gear row type hybrid electric vehicle is large, control prediction and optimization are achieved through a non-linear model, the combination and disconnection states of all clutches and braking force in a power coupling mechanism can be effectively controlled, optimization of the different working modes and optimal energy distribution among different power components are achieved, and the advantage that the number of the working modes of the double planetary gear row type hybrid electric vehicle is large is brought into full play.

The invention provides an entropy coding structure and a realization method, which belong to the technical field of digital video coding and decoding. In the invention, the whole entropy coder is divided into two stages of assembly line structures, and the generation and coding of macro block header parameters are finished in different assembly line stages, so waiting time is avoided, and simultaneously, coding time is rationally distributed. A single-path assembly line hardware structure is adopted in each stage of assembly line, and compared with the conventional multipath parallel structure, the plurality of stages of assembly line structures adopted by the whole variable length coding module finish the operations of one stage only within 1 hour, and the entropy coder provided by the invention can finish once variable length coding in 1 hour; and simultaneously, sequentially coded macro block header information and residual coefficients multiplex a set of Columbus coding and code stream splicing device, so hardware cost is saved, and resource utilization rate is increased. In addition, unified laying-out is performed on a variable length coding (VLC) code table used by the variable length coding, and the using number of random access memories (RAM) is reduced.