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132results about How to "Solve the identification problem" patented technology

Method and system for generating, storing and identifying identification code of electronic equipment

ActiveCN105871855ASafe and convenient identificationSolve the identification problemTransmissionBlockchainIdentification device
The invention discloses a method and system for generating, storing and identifying the identification code of electronic equipment, wherein the method comprises the following steps that: the electronic equipment selects multiple set information from self basic information by adopting a pre-determined encryption algorithm to perform combinational calculation, such that a unique identification code is obtained; then, the unique identification code is sent to a server; according to the unique identification code, the server searches from an identification code storage system, in which unique identification codes of various electronic equipment are pre-stored, to determine whether the unique identification code exists or not; and the identity of the electronic equipment is confirmed according to the searching result. According to the method and the system disclosed by the invention, the multiple set information in the basic information of the electronic equipment can be selected to perform combinational calculation, such that the unique identification code of the electronic equipment is obtained; the unique identification code is stored in the identification code storage system composed of multiple mutually backup distributed block chain databases; therefore, the unique identification code is prevented from being attacked by a hacker; data is prevented from being tampered; the identity of the electronic equipment can be safely identified; the unique identification code can also be used for preventing counterfeiting; and the practicability is relatively high.
Owner:杨鹏

A Dynamic Model Identification Method for Small Unmanned Rotorcraft Based on Adaptive Genetic Algorithm

The invention discloses a small-size unmanned rotary wing aircraft dynamic model identification method based on an adaptive genetic algorithm, which relates to flight status data acquisition and optimization, dynamic model building and parameter identification, and parameter optimization validation. Firstly, status data and control data when a small-size unmanned rotary wing aircraft executes standard actions are acquired through a data acquisition system, and smoothing and filtration are conducted to eliminate wild values; then aiming at the operating characteristics of the small-size unmanned rotary wing aircraft at autonomous takeoff and landing stages, a small-size unmanned rotary wing aircraft dynamic model is built through a balance point linearization method and model parameters are identified through the adaptive genetic algorithm; and finally intelligent parameter evaluation indexes are built and the effectiveness of the model parameters is evaluated and judged through a one-step predication method. The small-size unmanned rotary wing aircraft dynamic model identification method based on the adaptive genetic algorithm solves the problem in the dynamic model identificationof the small-size unmanned rotary wing aircraft, can realize the high-accuracy control of the small-size unmanned rotary wing aircraft, and has the advantages of low testing cost, short cycle, simplecalculation, high dynamic model accuracy and weak dependence on initial values.
Owner:BEIHANG UNIV

Genetic algorithm-based method for identifying parameters of mechanical arm with unknown load

The invention provides a genetic algorithm-based method for identifying parameters of a mechanical arm with an unknown load. The method comprises four steps that: step 1: obtaining a dynamic equation of the mechanical arm according to dynamic characteristics of the double-hinged mechanical arm with the unknown load; step 2: conducting variable separation on functions of unknown physical parameters in the dynamic equation according to the dynamic equation of the double-hinged mechanical arm with the unknown load and obtaining a separated expression of the functions of unknown physical parameters; step 3: designing a genetic algorithm according to the separated expression of the functions of the unknown physical parameters, so as to identify the parameters of the double-hinged mechanical arm with the unknown load; and step 4: comparing an identification value obtained through matrix laboratory (MATLAB) simulation with a measured value, so as to identify the physical parameters of the double-hinged mechanical arm with the unknown load. By adopting the method, the problem of identifying the physical parameters of the double-hinged mechanical arm with the unknown load in a motion process is solved, so the method has a practical value in the technical field of robot control.
Owner:GUODIAN NANJING ELECTRIC POWER TEST RES CO LTD

Processing method and system of electronic confirmation letter based on Internet

The invention relates to a processing method and system of an electronic confirmation letter based on the Internet. The method comprises the following steps: step S1, receiving a confirmation service request initiated by a letter sending party, electronically signing confirmation letter information, and submitting the confirmation letter information to an authorized party; step S2, after receiving the confirmation letter information by the authorized party, performing sign verification on the confirmation letter information, if the sign verification is passed and authorization confirmation submitted by the authorized party is received, generating a letter of authorization according to the confirmation letter information, electronically signing the letter of authorization, and submitting the signed confirmation letter information and the letter of authorization to a letter reply party; and step S3, performing sign verification on the received confirmation letter information and the letter of authorization by the letter reply party, after the sign verification is passed, adding letter reply information in the received confirmation letter information, generating a letter reply file and signing, uploading the signed letter reply file to a server, and feeding the letter reply file back to the letter sending party. The method and the system provided by the invention can solve the error-prone problem due to complicated work of multiple parties in the confirmation letter service.
Owner:青矩技术股份有限公司

Method for detecting position-independent geometric errors of double rotating shafts of five-axis numerical control machine tool

The invention discloses a method for detecting position-independent geometric errors of double rotating shafts of a five-axis numerical control machine tool. The method is characterized in that a ballbar is adopted as experimental equipment for identifying the position-independent geometric errors (PIGEs) of the swing shaft B and the rotating shaft C in the five-axis numerical control machine tool; a new measurement track is provided; the problem that asynchronism is caused between the resultant velocity formed when the swing shaft B and the rotating shaft C re in coordinated movement and theacquisition speed of the ball bar is solved; a homogeneous transformation matrix in the rigid body kinematics is combined, and a simulation model is established; and the simulation model is combinedwith experiments, and the position-independent geometric errors of the double rotating shafts of the five-axis numerical control machine tool can be identified and measured. By means of the method, the position-independent geometric errors of the double rotating shafts of the five-axis numerical control machine tool can be rapidly and effectively detected; and the precision is high, and the practicability is good.
Owner:TIANJIN POLYTECHNIC UNIV

Digital credentials method based on notarization information

This invention discloses a digital credentials method based on notarization information. A notarization program of notarization organization is led to an electric identification certification so as to provide the public credibility certification of user true identification and credentials. The binding technical of using notarization mark technology and the credibility information of user related identification is used for forming the digital credentials used by the user identification certification and guaranteeing the integrity. Compared with the currently adopted CA certification organization mode under PKI system, this invention effectively conquers the drawbacks that the nonstandard technical standard, low authority of certification and fairness caused by the current PKI system, and the low commonality caused by remarkable region and professional, and has remarkable advantages of saving large amount of cost of creating the CA certification organization. And this invention can be immediately performed. This invention can be widely applied to the business windows, such as the electronic business, the electronic government affairs, the administration, the bank, the Telecommunications, the insurance, and can be applied to the user identification certification under the system of real name of fields of each special business system, hotel, traffic, customs and so on.
Owner:刘学明 +1

Polymerase chain reaction (PCR)-restriction fragment length polymorphism (RFLP) method for distinguishing honeysuckle and lonicerae flos

The invention belongs to the technical field of distinguishing traditional Chinese medicinal materials, and in particular relates to a polymerase chain reaction (PCR)-restriction fragment length polymorphism (RFLP) method for distinguishing honeysuckle and lonicerae flos. The feature DNA base sequence of the honeysuckle is 5'-Y GGCCR-3' and can be identified and cut by restriction enzyme CfrI or EaeI. The distinguishing process comprises the following steps of: extracting medicinal material DNA; performing PCR amplification by a pair of primers; digesting a PCR product by the restriction enzyme CfrI or EaeI; performing agarose gel electrophoresis analysis on the result; and comparing the result with a PCR-RFLP feature result of the lonicerae flos, and judging whether the test piece is the honeysuckle or the lonicerae flos. The quick, convenient and reliable PCR-RFLP method is realized according to the difference between the DNA sequences of the honeysuckle and the lonicerae flos; and the PCR-RFLP method has an important significance for guaranteeing the quality of a honeysuckle medicinal material, cracking down the ill behavior that sellers sell the lonicerae flos as the honeysuckle and protecting the rights and interests of customers.
Owner:TONGJI UNIV

User identification system based on keystroke rhythm and identification method thereof

The invention belongs to the field of user identification technology, and particularly relates to a user identification system based on keystroke rhythms and an identification method thereof. The method comprises the following steps: acquiring and analyzing all keystroke rhythms after a user logs into a system to obtain the confidence degree of the current login user, and judging whether the identity of the current login user is legal according to the confidence degree of the user; and meanwhile, performing continuous identity verification for the user to judge whether the current user is a legal user, and performing permission verification for the user again when the confidence degree of the user is lower than a preset early warning threshold. According to the user identification system based on the keystroke rhythms and the identification method thereof disclosed by the invention, the identity of the user can be identified through keystroke rhythm data of the user, the user does not need to carry out other authentication behaviors during identification, the user experience can be improved through the fully transparent identification of the user, the operations of the user cannot be affected, a continuous identification scheme is adopted to perform uninterrupted identification and authentication for the identity of the user, and thus the ability of the system to resist illegal intrusions can be enhanced, and the security of the system can be effectively improved.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Method for distinguishing salvia miltiorrhiza medicinal material or derivative

The invention relates to a method for distinguishing a salvia miltiorrhiza medicinal material or a derivative. The method comprises the following steps: (1) extracting the salvia miltiorrhiza medicinal material or the derivative, to obtain a tanshinone characteristic extract and a danshinolic acid characteristic extract which contain active component groups; (2) performing IGD nuclear magnetic resonance carbon spectrum finger print detection on both the tanshinone characteristic extract and the danshinolic acid characteristic extract, obtaining the peak intensity of characteristic peaks of a plurality of active components in the characteristic extracts according to the finger print; and detecting the peak intensity of the characteristic peak of corresponding standard reference of each active component with the same manner; (3) obtaining the absolute content of the standard references by a quantitative analysis measure; and (4) calculating the content of each active component and the content of the active component groups in the salvia miltiorrhiza medicinal material or the derivative by utilizing the ratio of the peak intensities of the characteristic peaks and the absolute content. Due to the adoption of the method, the tanshinone and danshinolic acid compounds contained in the salvia miltiorrhiza and the ratio of the tanshinone compound to the danshinolic acid compound can be indicated, and the purpose of realizing quality determination of salvia miltiorrhiza medicinal material or derivative is achieved.
Owner:王顺才

Method for analyzing sensitivity of geometric errors of dual-rotation axes of five-axis CNC machine tool

InactiveCN110837246ASolve the identification problemEffective Geometric Error Sensitivity AnalysisProgramme controlComputer controlGeometric errorNumerical control
The invention proposes a method for analyzing sensitivity of geometric errors of dual-rotation axes of a five-axis CNC machine tool, and the method comprises the following steps of firstly constructing a mathematical model of geometric errors of the dual-rotation axes based on a multi-body system theory and a homogeneous transformation matrix; performing error parameter sampling by using a Monte Carlo method, and analyzing the sensitivity of the geometric errors of the dual-rotation axes of the CNC machine tool; finally performing sensitivity analysis on the error parameters based on the positions of the specific rotation angles of the dual-rotation axes, and calculating the first-order sensitivity and global sensitivity of each geometric error of the dual-rotation axes at this position bysetting the positions of five groups of specific rotation angles, wherein the Sobol sensitivity analysis method can be used to identify the key geometric error among the 20 geometric errors of the dual-rotation axes, and complete the identification of the geometric errors of the dual-rotation axes of the five-axis CNC machine tool. The method has the advantages of simple detection steps, convenient measurement and high identification accuracy.
Owner:TIANJIN POLYTECHNIC UNIV

Characteristic model parameter identification method based on input smoothing

ActiveCN105589334ASolve the identification problemBreakthrough parameter identification problemAdaptive controlProjection algorithmsControl system
The invention discloses a characteristic model parameter identification method based on input smoothing. The characteristic model parameter identification method is characterized in that a characteristic model of a controlled system object can be acquired, and an intermediate variable and an unknown coefficient variable can be built according the input and the output of the controlled system object; the unknown coefficient variable can be identified by adopting the identification algorithm to acquire an identification value, and then the identification value can be corrected by adopting the projection algorithm, and the corrected identification value can be used as the unknown coefficient variable of the next period; and at last, an intermediate control variable can be calculated according to the unknown coefficient variable, and therefore the input of the controlled system object of the next period can be acquired, and then the characteristic parameter identification of the current period can be completed. The characteristic model parameter identification method is advantageous in that the change of the control variable can be limited by adopting the smoothing design of the control input, and the rate of change of the characteristic model parameters can be further limited, and then the identification of the characteristic model parameters can be realized; and at the same time, the second-order model and the first-order model of the daily use can be covered, and therefore the good versatility and the good application prospect can be provided.
Owner:BEIJING INST OF CONTROL ENG

IOS mobile phone-based mobile phone screen breaking insurance fast insuring system

InactiveCN106296411ASave human effortSolve identification problemsFinanceMobile phoneWireless network
The invention discloses an IOS mobile phone-based mobile phone screen breaking insurance fast insuring system. The system comprises a mobile phone client and a central processing unit which communicates with the mobile phone client through a wireless network; the mobile phone client comprises a manual input module, an identification code storage module, a picture upload module, a payment module and a display module; and the central processing unit comprises a data receiving module, an identification code generating module, a random code generator, a register, a digital image processing module, an insurance policy generating module and a data storage server. According to the IOS mobile phone-based mobile phone screen breaking insurance fast insuring system of the invention, random codes are generated through the random code generating module, so that insured users can be prevented from forging photos through using the changing random codes; pictures uploaded by the users are automatically processed through the digital image processing module, and therefore, manpower can be saved, the pre-sale survey problems of mobile phone screen breaking insurances can be solved; and the unique identification codes of mobile phones are generated through the identification code generating module, so that the uniqueness of insured mobile phones can be ensured, and affirmation problems of the insured mobile phones in a claim settlement process can be solved.
Owner:合肥奇也信息科技有限公司

Electronic-confirmation-request automatic generating method and system based on safe two-dimensional code

The invention relates to an electronic-confirmation-request automatic generating method based on a safe two-dimensional code. The method includes the steps that S1, source data information for generating an electronic confirmation request is obtained; S2, according to the source data information of the electronic confirmation request, digital digest information of the electronic confirmation request is generated; S3, signing information is formed by the digital digest information of the electronic confirmation request through certificate information and a corresponding private key; S4, the signing information generates the safe two-dimensional code and put on the blank portion of the electronic confirmation request; S5, a PDF document of the electronic confirmation request is generated by calling a PDF generating module. A system comprises a source data information obtaining module, a data summary information generating module, a signing information generating module, a safe-two-dimensional-code generating module and the PDF generating module. By means of the electronic-confirmation-request automatic generating method based on the safe two-dimensional code, the problem that in electronic confirmation businesses, important information of the electronic confirmation request is easily tampered is solved.
Owner:北京网证科技有限公司
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