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48results about How to "Safe and efficient management" patented technology

Cloud data duplication elimination and integrity auditing method based on convergence encryption

The invention discloses a cloud data duplication elimination and integrity auditing method based on convergence encryption. According to the method, through adoption of a convergence key encapsulation / de-encapsulation algorithm based on blind signatures, convergence keys can be securely stored and moreover convergence key duplication elimination can be realized; and through utilization of a BLS signature algorithm based on the convergence keys, auditing public keys are stored by a trusted third party TTP, the TTP carries out proxy auditing, and duplication elimination of auditing signatures and the auditing public keys is realized. The method comprises the specific steps of carrying out system initialization; carrying out key initialization; carrying out file initialization; carrying out authentication evidence initialization; carrying out key encapsulation; carrying out data storage; carrying out duplication challenge; carrying out duplication response; carrying out duplication authentication; carrying out request auditing; carrying out proxy auditing; carrying out auditing response; carrying out auditing authentication; and carrying out file downloading. According to the method,a utilization rate of a cloud storage space is improved, the duplication elimination of auditing signatures and the auditing public keys is realized, and the storage and computing cost of a client arereduced.
Owner:NANJING UNIV OF SCI & TECH

Parking lot management system and management method for parking or vehicle taking in parking lot

The invention relates to a management system and method, and provides an efficient parking lot management system and a management method for parking or vehicle taking in a parking lot according to the solved technical problem. According to the adopted technical scheme, the parking lot management system comprises a monitoring center, a communication network and a terminal, wherein the monitoring center is used for monitoring situation information in the parking lot in real time, positioning vehicles in the parking lot in real time, interacting with the communication network, initiatively sending the situation information to the communication network, receiving control commands sent by the communication network, executing the control commands and sending processing results to the communication network; the communication network is used for interacting with the monitoring center and the terminal, processing the control commands sent by the terminal, forwarding the control commands to the monitoring center, receiving the processing results sent by the monitoring center and forwarding the processing results to the terminal; the terminal is used for sending the control commands to the communication network and receiving promote information and the fed back processing results of the communication network. The efficient parking lot management system and the management method for parking or vehicle taking in the parking lot are suitable for an existing parking lot.
Owner:SICHUAN CHANGHONG ELECTRIC CO LTD

Electromagnetic pneumatic switch well valve of natural gas well

An electromagnetic pneumatic switch well valve of a natural gas well is applied to a natural gas well site and a natural gas transmission pipeline. The electromagnetic pneumatic switch well valve is characterized by being provided with a cylindrical-shaped main valve core in a valve body; a valve cover is fixed at the upper part of the main valve core; a spring is arranged in the main valve core; a pressure balancing hole is arranged on the wall of the main valve core; intercommunication holes are arranged in the valve body and the valve cover; a magnetic head fixing base is connected with the top part of the valve cover; a pressure releasing hole is arranged on the valve cover; a traverse electromagnetic head and a longitudinal electromagnetic head are fixed on the magnetic head fixing base by a union cap; and a ring-shaped groove is arranged on the outer wall of a longitudinal magnetic core, wherein the position of the ring-shaped groove is characterized in that when the longitudinal magnetic core is lifted upwards and then can open the intercommunication holes completely, a traverse magnetic core can lock the longitudinal magnetic core. The electromagnetic pneumatic switch well valve has the advantages that the natural gas wellhead pipeline can be applied to; the valve switch can be finished by relying on a weak electromagnetic force without relying on the drive of an external connection air source; the remote control on a switch well and an excessive-under pressure well by a natural gas wellhead is achieved by a control circuit; the gas source is automatically cut off at excessive-under pressure for achieving protection; and remote control for opening and closing and under pressure automatic closing can be achieved.
Owner:PETROCHINA CO LTD

Electronic signature-based traffic engineering electronic archive management system

The present invention provides an electronic signature-based traffic engineering electronic archive management system. The system comprises a server and a plurality of use terminals connected with the server; the system also comprises a system interface connected with the server, wherein the system interface is used for connecting an external system; the system further comprises a security authentication server connected with the server; the system interface is used for acquiring archived data of the for authenticating the digital signature of the user and verifying whether the signature of the archival data is legitimate or not, and sending the archival data to the external system; the security authentication server is used for authenticating whether the digital signature of a user is valid and verifying the signature of the archival data is valid, and sending the archival data to the server when the signature of the archival data is verified as valid; and the server is used for determining an engineering project type to which the archival data belong and storing the archival data according to a data model corresponding to the engineering project type. With the system of the invention adopted, the security of the data can be ensured. The server stores the archival data according to the data model corresponding to the engineering project type, and therefore, the external system or the use terminals can conveniently call the data, and management is more secure and efficient.
Owner:广州市微柏软件股份有限公司

Self-organized network

The invention discloses a self-organized network. The name of a client is taken as a website address and a public key; the client comprises specific hardware and / or software, and a combination secrete key system and an intelligent operation system are adopted; a client identification is defined by RID coding, and the identity and the natural attribute are self-proved; the self-organized network is optimized and managed through the intelligent operation system; the self authentication command and field of RID coding are added in the beginning of a massage of a network communication protocol; the original address authentication is implemented based on RID coding before data transmission to realize credible connection and address description support of perception devices of sensors and intelligent terminals; and connection resources and efficiency are counted and controlled, the address group and attribute are regulated reasonably, the effectively management of resources and reasonable scheduling of distributed calculation are ensured, the intelligent connection network of self authentication and automatic connection management is formed, and the self-organized network is provided with an intelligent recognizing module, an intelligent connection module, an intelligent calculation module and an intelligent management module.
Owner:BEIJING HUFU TECH

Management system of house property customer relationship

The invention discloses a management system of a house property customer relationship. The management system comprises a login module, a page layout design module and a functional module, wherein login module is used for entering a login interface, a user name and a password need to be filled, and different users can see different interfaces after entering the system, and also own different permissions; the page layout design module is used for designing and carrying out layout on the interface; the functional module is used for providing functional service; the functional module comprises a home page module, a customer management module and a user management module, wherein the home page module is used for providing the registration information of a person who carries out login and password revision service; the customer management module is used for the arrangement, adding, revision, deletion and query service of customer information; and the user management module is used for carrying out the adding, user adding, permission distribution operations of a user group. The management system is convenient in use, quick visit and mining is provided for enterprise business personnel by aiming at safe and efficient management of enterprises for customers, and the management system is suitable for various enterprise business units to improve working efficiency.
Owner:安徽金曦网络科技股份有限公司

Cross-platform terminal authorization management method and system

InactiveCN110737884AImprove securitySafe and efficient authorization issuanceDigital data authenticationTransmissionTerminal equipmentEngineering
The embodiment of the invention provides a cross-platform terminal authorization management method and a system, and the method comprises the steps: obtaining business code information and terminal management information through an authorization management platform, and storing the business code information and the terminal management information of terminal equipment; generating an authorizationcode with a preset digit through an authorization service unit based on the service code information; establishing an authorization file database in the authorization service unit, wherein the authorization file database is used for storing all authorization files; wherein the service code information is in one-to-one correspondence with the authorization files; and receiving the authorization code by using terminal equipment, extracting a corresponding authorization file from an authorization file database by using the authorization code, and finishing authorization authentication of the terminal in combination with the terminal management information. According to the method of the invention, safe and efficient authorization issuing and management are directly carried out on various terminals, so that unified management of terminal software authorization is achieved.
Owner:武汉普利商用机器有限公司 +1

Elevator human sensing recognition method based on artificial intelligence similarity comparison

PendingCN112784759AImprove accuracyEnsure safe and efficient managementBiometric pattern recognitionObject detectionEngineering
The invention relates to the technical field of elevator safety management, in particular to an elevator human sensing recognition method based on artificial intelligence similarity comparison. According to the technical scheme adopted by the invention, the method comprises: calculating the average structural similarity of a real-time image and a background image, carrying out the preliminary screening, carrying out the preliminary detection of a human body region of an image which does not exceed a threshold value through an object detection model, and obtaining a suspected human body region coordinate; and finally, calculating the average structural similarity of the preliminarily detected suspected human body area coordinates and the corresponding background image again, and carrying out secondary screening so as to determine whether a person is in the elevator or not. The method has the advantages that infrared sensor equipment does not need to be additionally arranged for human sensing recognition, human sensing recognition can be conducted through the images collected by the camera, the correct rate of human sensing recognition can be effectively improved, and safe and efficient management of an elevator is ensured.
Owner:揭阳市聆讯软件有限公司

Waiting management system and control method

The invention discloses a waiting management system and a control method and relates to the technical field of intelligent traffic. A main technical scheme is shown as follows: the waiting managementsystem comprises a cloud platform processor, a first information terminal and a second information terminal; the cloud platform processor is used for receiving and sending an inquiry instruction and feeding back information of a preset vehicle; the first information terminal is electrically connected with a vehicle-mounted computer and used for receiving the inquiry instruction, acquiring the information of the preset vehicle, tracking the information of the preset vehicle in real time and sending the information of the preset vehicle to the cloud platform processor; the second information terminal is arranged on a mobile terminal and used for sending the inquiry instruction, collecting passenger information, tracking the passenger information in real time, calculating first time when thepreset vehicle arrives at a preset station and second time when a passenger arrives at the preset station and judging the feasibility of riding of the vehicle, wherein when the first time is larger than the second time, the second information terminal allows selection of the preset vehicle and tracks information of the preset vehicle and the passenger information in real time until the passenger gets on the vehicle.
Owner:BOE TECH GRP CO LTD

Intelligent Cooling System for Traction Transformer of EMU

The invention discloses an intelligent cooling system for a traction transformer of an electric multiple unit. The electric multiple unit is provided with an equipment compartment, wherein the traction transformer is arranged in the equipment compartment, the traction transformer comprises a heat source part placed in an oil box, the cooling system comprises a cooling device arranged in the equipment compartment, heat generated by the heat source part is taken away by cooling oil flowing out of the oil box, the cooling device comprises a heat sink and an oil pump, the heat sink communicates with the oil box through a cooling oil circulation pipeline, the cooling oil circulation pipeline comprises an oil inlet pipeline and an oil outlet pipeline, the oil pump is arranged on the oil outlet pipeline, the cooling oil flowing out of the oil box passes through the oil outlet pipeline and the oil pump and enters the heat sink, the heat sink is used for transferring the heat to cooling air from the cooling oil, and the cooling oil passes through the oil inlet pipeline and returns to the oil box after the heat is released. By the intelligent cooling system, the cooling intensity can be automatically adjusted, and the energy utilization efficiency is improved.
Owner:CRRC DALIAN INST CO LTD

Whole-scene Internet of Things equipment safety management system and method

ActiveCN112202709ASafe and efficient managementSolve the problem of relatively weak management coordinationTransmissionInstrumentsPlaintextCiphertext
The invention discloses a whole-scene Internet of Things equipment safety management system, which comprises an equipment identifier generation subsystem, an equipment production subsystem, an equipment detection subsystem, an equipment management subsystem and an equipment service application subsystem. The equipment identifier generation subsystem is used for determining an equipment identifiercoding rule, and generating an equipment identifier plaintext according to the equipment identifier coding rule and service demands of Internet of Things equipment in different scenes. The equipment production subsystem is used for sending an equipment type and an equipment identifier first ciphertext to the equipment detection subsystem. The equipment detection subsystem is used for generating equipment identifier legality information according to a comparison result and sending the equipment identifier legality information and the equipment identifier first ciphertext to the equipment service application subsystem. The equipment management subsystem is used for encrypting the equipment identifier plaintext to generate an equipment second ciphertext, sending the equipment second ciphertext to the equipment detection subsystem and periodically querying the equipment operation state; The equipment service application subsystem is used for carrying out security management on the Internetof Things equipment according to the equipment identifier first ciphertext, the equipment identifier legality information and the equipment state information.
Owner:CHINA ELECTRIC POWER RES INST +2

Electromagnetic pneumatic switch well valve of natural gas well

An electromagnetic pneumatic switch well valve of a natural gas well is applied to a natural gas well site and a natural gas transmission pipeline. The electromagnetic pneumatic switch well valve is characterized by being provided with a cylindrical-shaped main valve core in a valve body; a valve cover is fixed at the upper part of the main valve core; a spring is arranged in the main valve core;a pressure balancing hole is arranged on the wall of the main valve core; intercommunication holes are arranged in the valve body and the valve cover; a magnetic head fixing base is connected with thetop part of the valve cover; a pressure releasing hole is arranged on the valve cover; a traverse electromagnetic head and a longitudinal electromagnetic head are fixed on the magnetic head fixing base by a union cap; and a ring-shaped groove is arranged on the outer wall of a longitudinal magnetic core, wherein the position of the ring-shaped groove is characterized in that when the longitudinalmagnetic core is lifted upwards and then can open the intercommunication holes completely, a traverse magnetic core can lock the longitudinal magnetic core. The electromagnetic pneumatic switch wellvalve has the advantages that the natural gas wellhead pipeline can be applied to; the valve switch can be finished by relying on a weak electromagnetic force without relying on the drive of an external connection air source; the remote control on a switch well and an excessive-under pressure well by a natural gas wellhead is achieved by a control circuit; the gas source is automatically cut off at excessive-under pressure for achieving protection; and remote control for opening and closing and under pressure automatic closing can be achieved.
Owner:PETROCHINA CO LTD
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