2373results about How to "Achieve security" patented technology

An objective of the present invention is to obtain a mutual authentication method in which mutual authentication is carried out securely and conveniently. In order to achieve the above objective, in the mutual authentication process, a private key K0, being an initial value, is stored in a client and a server (Pc0, Ps0). The client generates a random number R, calculates secret data C and authentication data A, and transmits the data items to the server (Pc1). The server receives the authentication data A and the secret data C from the client, and generates a random number Q, calculates secret data S, and authentication data B and returns the data items, as well as updating the private key K0 with a private key K1 (Ps1). The client receives from the server the authentication data B and the secret data S, generates the random number R, calculates secret data C2, authentication data A2, and returns the data items to the server, and updates the private key K0 with the private key K1(Pc2). The client and the server check whether or not validity is established (Psm+1, Pcm+1). Further in the authentication method above, there is a method for generating a onetime ID, assuming that the onetime ID is identification information usable just one time in the authentication between a plurality of devices or application. In each of the devices or applications which carries out the authentication, a variable shared key which changes per predefined communication unit requiring the authentication is generated, a function value of one-way function is obtained in which the variable shared key is used as an argument, a onetime ID hard to tap and superior in security is generated based on the function value, and the onetime ID is utilized.

An LED apparatus including (a) a mounting board, (b) a plurality of LED packages thereon, (c) a lens member over each LED package, and (d) a safety barrier positioned over the mounting board, the barrier having sufficient thickness for enclosure of electrical elements on the mounting board and including a plurality of openings each sized to permit light from an LED package to pass therethrough and through a light-transmission portion of the lens member over such LED package to prevent finger-contact of electrical elements on the mounting board when the light-transmission portion is not present.

The invention discloses a substation secondary system operation and maintenance cloud platform, comprising in-place layers and a centralized control layer, which are configured to read data from a production management system directly to realize equipment management, operation management, fault handling, duty management and maintenance management. The in-place layers and the centralized control layer exchange power grid operation data by means of a dispatching data network, and exchange operation and maintenance management data by means of an integrated data network; each in-place layer comprises a substation control layer, a spacing layer and a process layer; each process layer comprises all primary equipment of a substation, and transmits information of the primary equipment of the present layer to the substation control layer by means of corresponding detection equipment; and each spacing layer comprises all secondary equipment of the substation, and transmits information of the primary equipment of the present layer to the substation control layer by means of corresponding detection equipment. The substation secondary system operation and maintenance cloud platform integrates the cloud computing technology, the big data technology, the Internet of things technology and the mobile internet technology, unifies data interfaces and dispatching among different secondary operation and maintenance systems in safety regions, and realizes good management of operation and maintenance information.

The invention relates to a power transmission and transformation system polling method, belongs to the technical field of electric power polling and particularly relates to a power transmission and transformation system polling method based on an unmanned aerial vehicle. The image processing technology is applied to carry out smoothing and sharpening optimization on images collected by the unmanned aerial vehicle, the image quality problem caused by hardware is solved, the image recognition and fault detection technology is integrated, automatic recognition and fault detection are achieved, and a transmission line unmanned aerial vehicle polling image processing system is developed. Intelligent optimization automatic and semi-automatic planning route selection and forest felling amount and house demolition amount automatic counting based on transmission line real three-dimensional data are achieved. Line basic protection range detection and safety pre-warning are achieved.

The invention discloses a system and method for initializing a safety indicator of a credible user interface, and relates to the field of mobile intelligent terminals. The system comprises a TSM server, an application store and a mobile intelligent terminal. The mobile intelligent terminal comprises a mobile intelligent terminal operating system and a TEE. The mobile intelligent terminal operating system comprises a client side application module and a TEE client side drive module. The TEE provides a safe operation environment isolated from the mobile intelligent terminal operating system, the interior of the TEE is logically divided into a plurality of safety domains, and mutual isolation and independence of credible applications are guaranteed. Each safety domain is provided with a safety domain management module and a credible application module, and the TEE provides the safe operation environment for the safety domain management modules and the credible application modules. According to the system and method, individualization of the safety indicator in the credible UI provided for the credible application modules can be safely achieved, display credibility of the safety indicator is effectively improved, and the risk that the safety indicator is attacked and intercepted by malicious software is reduced.

The invention discloses a precise positionable and compensable heavy-load mechanical arm which comprises a power device, a base, an arm assembly, a wrist assembly, a flexible claw and an automatic control system. The arm assembly comprises a lower arm assembly, a middle arm assembly and an upper arm assembly. The precise positionable and compensable heavy-load mechanical arm can adapt to a heavy-load working environment in a hydraulic drive mode, and on the basis, an external control system sends an instruction to an electric spindle according to information fed back by external and internal sensors and the like, so that a first connecting rod mechanism and a second connecting rod mechanism which are in transmission connection with the electric spindle perform fine adjustment compensation on the aspects of distance, angle and the like of the mechanical arm, and the precise effect can be achieved. When the mechanical arm is used, various sensor and computer control technologies are combined, so that working state monitoring can be achieved in the working process of the mechanical arm, precise mechanical arm operation can be ensured, meanwhile transmission errors of a transmission chain are decreased by using the electric spindle and other matched parts, the transmission accuracy is improved, and precise motion and safety guarantee of the wrist and the flexible claw is achieved.

The secure intelligent household gateway includes microprocessor, memory module, external network interface connected to Internet, internal network interface, serial port connected to intelligent household appliance, and interface of electrical source (IES). IES is connected to adapter of power supply. The microprocessor includes Web module, remote communication module (RCM), security management module (SMM), remote control module, and remote logging on module (RLM). The communication module of handset is connected to RCM, which is connected to SMM and the remote control module. SMM, the remote control module, and RLM are connected to module of Web server. The invention discloses reliable secure intelligent household gateway with simple operation based on remote control of handset.

A method for picking up and analysing information automatically includes using XML daily record analysing module to enter automatic picking up procedure, compairing packed up daily record with safety rule to judge whether system operation is abnormal or not, recording biased byte value of each analysis, detecting variation of each target device or daily record file at fixed time to realize automatic analysis to increased part of daily record according to recorded state information of dialy record.

The invention discloses a wearable augmented reality-based bidirectional intelligent inspection system and method of a substation. The system comprises wearable augmented reality intelligent glasses, an intelligent mobile terminal and a remote background terminal, wherein the wearable augmented reality intelligent glasses are used for photographing, recording and scanning two-dimensional codes for data information collection, selectively displaying required information in real time through gesture or voice operation and wirelessly transmitting the collected data information to the intelligent mobile terminal; the intelligent mobile terminal is used for building wireless connection with the intelligent glasses and the remote background terminal, receiving data information collected by the intelligent glasses and uploading the data information to the remote background terminal; the remote background terminal is used for analyzing and processing the received data information, storing historical data information and dispatching the data information of to-be-inspected equipment; and the intelligent mobile terminal and the remote background terminal achieve data information interaction through a power 4G wireless private network, so that the security and the instantaneity of inspection work are improved and the intelligent substation is promoted to achieve the comprehensive automatic development process.

The invention discloses a personal driving behaviour analysis management control system, comprising a data reading terminal, a GPS (global positioning system) positing device and a server, wherein the data reading terminal is used for acquiring vehicle ECU (electronic control unit) operational data, reading automobile travelling working condition data, creating a driver operation behaviour data evaluation analysis model, giving an alarm when finding a dangerous driving behaviour, emergently recording vehicle accident data, carrying out statistic on automobile travelling mileage and fuel consumption and detecting whether vehicle emission exceeds the standard or not; the GPS positioning device is used for vehicle positioning; and the server is used for recording and analyzing driving behaviour data, timely reminding a vehicle maintenance fault by combining OBD (on-board diagnostics) vehicle diagnostic function and exchanging information with a user by virtue of an interconnection platform. The invention extracts safety and economy conditions of a vehicle owner by virtue of multiple behaviour models, provides guiding suggestions and ideas for a vehicle owner and alarms and suggests in the automobile driving process and on an Internet terminal interface, thus the system improves driving behaviour and achieves energy conversation and emission reduction, is safety in control, is economic and environment-friendly.

A skateboard in accordance includes a footplate (1) having a lower surface, a front wheel and a rear wheel (3) arranged in a front end and a rear end of the lower surface respectively, wherein the wheels are universal, and the footplate includes a front plate (17) and a rear plate (18). The front plate and the rear plate are connected via a rotatable torsional mechanism, and a restriction element (4) is defined between each plate and the torsional mechanism for restricting the rotation range of the torsional mechanism.

The system comprises mobile terminal, base station, exchanger, short-message centre and gateway, stand-by server and databank server. The method includes receiving user's request by the mobile terminal firstly and generating keyword according to the request type, packing the said keyboard and the relative data to send them in short-message form, receiving the short-message by the stand-by server and decoding the packed data for analysing request type according to keyboard in it. The data content is converted into storage form to be stored in the databank if it is stand-by request, the query is carried out in the databank as per query content and to return result back if it is query request, the databank query is applied as per download condition and to send record within the condition to the gateway if it is download request.

The embodiment of the application discloses a method and apparatus for controlling a smart home appliance. One specific embodiment of the method includes steps: recognizing whether a sound is a voicein response to detection of the sound; if yes, recognizing identity information of a user emitting the sound, and determining whether the user is a legal user according to the identity information; performing speech recognition on the sound in response to determination that the user is the legal user, and obtaining a control instruction; and executing the control instruction in response to determination that the control instruction is an instruction matched with the identity information. According to the method and apparatus, security management and control of the smart home appliance and security management and security protection of a speaker can be realized.

The invention provides a safety monitoring early warning system and method for a running vehicle. The safety monitoring early warning system and method comprise a vehicle information monitoring system, a server, a data analysis center, a prediction module and an alarm module. A vehicle and a driver of the system are used as a whole for analysis, namely, running data of the driver operating the vehicle and real-time information of the vehicle are all uploaded to the server for the analysis, thereby achieving prediction and monitoring early warning.

The invention provides an intelligent traffic signal control system considering the safety of cross-street pedestrians; the intelligent traffic signal control system comprises inductance coil detectors, video detectors, a traffic signal controlling machine and signal lamps; a two-phase total-inductive control mode is adopted in a road crossing; the two inductance coil detectors are embedded in each inlet lane, wherein the main inductance coil detector is embedded at a stop line of the inlet lane and is used for detecting traffic flow of a road section; the auxiliary inductance coil detector is embedded at the possible maximum queuing part of an advanced position of the main inductance coil detector and is used for assisting the main inductance coil detector to detect motor vehicles; pedestrian cross-street waiting areas at two ends of each pedestrian crossing are respectively provided with the video detector for detecting flow of crossing pedestrians; the traffic signal controlling machine carries out data exchange with the main inductance coil detector, the auxiliary inductance coil detector and the video detectors by data lines and simultaneously controls the signal lamps positioned at the pedestrian crossing and the road crossing by the data lines. According to the intelligent traffic signal control system, the safety and the passing efficiency of the cross-street pedestrians can be realized, and the passing rate of the motor vehicles is ensured.

The invention discloses a nano-compound adsorbent for efficiently removing trace phosphorus, arsenic and antimony from a water body, belonging to the technical field of environment functional materials. The organic framework of the nano-compound adsorbent of the invention is hypercrosslinked styrene-divinylbenzene ion exchange resin, a functional group for surface binding of the organic framework is a quaternary ammonium group or pyridyl, nano-inorganic functional particles are loaded, and the total volume of 1-20nm nano-pores accounts for greater than or equal to 90% of the total volume of all the pores of the organic framework. The nano-inorganic functional particles are nano-hydrated ferric oxide or nano-hydrated manganese oxide. The nano-compound adsorbent of the invention has more obvious nano effect, strong reaction activity, great adsorption capacity and high selectivity, well solves the defects of obvious swelling, weak adsorption reaction activity, small adsorption capacity, lower adsorption selectivity and the like of the existing nano-compound adsorbent, and is more suitable for advanced treatment of micro-pollution of water and waste water.

The invention discloses a cloud data management method based on a block chain and relates to the block chain cloud data management technology field. The method comprises the steps of initializing; uploading data; verifying ownership; and operating data. The method is characterized in that a block chain technology and an ownership certification technology are used to realize safe and high-efficiency management of cloud data; any one party can inquire a record on the block chain so as to high-efficiently trace a reason of a data problem; and because the block chain record possesses characteristics that the record can not be tampered and is traceable, real-time recording and safe management of a whole life period of cloud data can be realized and efficiency and safety of an existing cloud service are increased.

The invention provides an overheat detecting electric water heater which comprises a controller, an electric heating device and a water box, wherein the electric heating device is arranged in the water box; an electric heater comprises a left tube box, a right tube box and a heat exchange tube for communicating the left tube box with the right tube box; the electric heater is arranged in the left tube box and / or the right tube box; the heat exchange tube, the left tube box and the right tube box form a heating fluid closed cycle; a pressure sensor is also arranged on the electric heating device, and is used for detecting pressure in the electric heating device; the electric heating device and the pressure sensor are connected with the controller in a data manner; the controller judges whether a temperature is overheated or not according to the detected pressure to automatically control the running of the electric water heater; the controller is connected with a cloud server; the cloud server is connected with a water heater client, wherein the controller transmits measured pressure data to the cloud server, and afterwards, transmits the measured pressure data to the client through the cloud server; the client is a mobile phone; an APP program is installed in the mobile phone; a user can obtain the pressure data through the client. The intelligent overheat detecting electric water heater can intelligently detect the overheat of a heating device of a water heater, moreover, carries out intelligent control, and improves safety.

The invention aims to provide a novel high-safety and high-production-efficiency solvent-free compound machine with good finished product quality, which comprises a frame, a coating mechanism, a recombination mechanism, a winding mechanism, a first unwinding mechanism, a second unwinding mechanism, a power mechanism, a wallboard, a machine head, a waste gas recycling part, a cooling steel sword, a transition steel sword group, a swing tension steel sword group and a control box; the clearance and pressure between various steel swords of the coating mechanism can be independently adjusted and a novel structure in which centers of separate steel swords are in the same horizontal line is applied to the compound mechanism; in the winding mechanism, the winding pressure is kept constant during the winding in any diameter and a novel mechanism which pneumatically controls an observation window is applied to the observation window; a novel humanized control panel mechanism with reasonable operation panel structure which can adjust the lighting direction is applied to the control box, thus ensuring the efficiency, quality and safety of the production. Furthermore, the compound machine can be more conveniently operated, has more reasonable structure and more pleasant shape compared with the original equipment.

The invention relates to an organic wastewater treatment film reactor utilizing solar energy photo-assisted electro-catalysis, which comprises a storage tank of water to be processed, a flow controllable constant flow pump, a photoelectric chemical reactor, a clear water storage tank and a solar battery component, wherein a photo anode and a cathode are correspondingly arranged in the reactor; the photo anode takes a porous metal membrane as a base body, and a TiO2 nano tube or a TiO2 mesoporous membrane is formed on the surface of a porous titanium membrane (net) by an electrochemical anisotropic etching technology; a porous channel film is used as the base body; a metal oxide coating electrode with high electrochemical catalytic activity and high electrical conductivity is prepared by a dipping film-forming method, simultaneously, by doping and modifying operations, the electrode material has photo catalytic activity and the reaction efficiency is improved. The reactor integrates electrochemistry, photocatalysis and film separation technologies; the three technologies are coupled to enhance a synergistic effect; the wastewater treatment efficiency can be improved; a solar component is adopted as a power supply; the clean solar energy is utilized to the maximal degree, and the organic wastewater treatment film reactor has social benefits of reducing environment load and economic benefits of reducing cost.

The invention discloses a fiber bragg grating (FBG) testing device and a testing method for rock three-dimensional stress state. The testing device comprises a data processing module consisting of an FBG network demodulator and a computer, three FBG sensors and a substrate for mounting the FBG sensors; the substrate can be deformed with the deformation of rocks; the three FBG sensors are respectively fixed in three-dimensional directions on the surface of the substrate; and the signal output ends of the three FBG sensors are connected with the signal input ends of the FBG network demodulator. The invention can measure the deformation amount of microstrain, so responses can be made in time before rock masses are damaged; the high-precision measurement of three-dimensional stress in rocks can be realized, so that the long-term and effective monitoring for large project rock masses can be realized, and disasters are prevented.

The invention provides a distributed access control method for attribute-based encryption, and mainly aims to solve the problems of security and privacy protection of massive data in a cloud environment. A multi-authority ciphertext-policy attribute-based encryption (CP-ABE) mechanism is provided on the basis of CP-ABE. According to the mechanism, the workload of a single authority is shared with a plurality of authorities, and efficient outsourcing decryption, user revocation and dynamic join and exit supporting attribute authority (AA) can be realized. Through adoption of an access control mechanism provided by the invention, efficient, distributed, extensible and fine-granularity access control can be realized while the security and privacy of the massive data are protected.

Improvements are obtained in key generation and cryptographic applications in public key cryptography, by reducing the bit-length of public keys, thereby reducing the bandwidth requirements of telecommunications devices, such as wireless telephone sets.

The invention relates to an anti-blocking-and-hanging drilling well water-secluding pipe recovery guiding device. The device is characterized by comprising a support, a guiding chamber, a rubber sleeve, a rubber sleeve pressing ring and a supporting device; the support is provided with multiple connecting legs, multiple supporting device lower portion mounting holes are formed in the outer side of the support, and a guiding chamber mounting hole is formed in the middle of the support; the guiding chamber is in a horn-mouth shape, the rubber sleeve is arranged inside the guiding chamber, and the rubber sleeve pressing ring is arranged at the top of the guiding chamber; the supporting device comprises an upper supporting barrel, a wearproof bushing, an upper supporting barrel cover, a connecting rod, a spring, a lower supporting barrel cover, a piston, a piston embracing clamp and a lower supporting barrel; the wearproof bushing is arranged inside the upper supporting barrel, and the piston is arranged inside the lower supporting barrel; a groove is formed at the outer side of the piston, and the groove is matched with the piston embracing clamp; the upper end and the lower end of the connecting rod are both spherical bodies, and the spring is arranged at the outer side of the connecting rod; the spring is provided with an installing ring. The device is simple in structure, convenient to operate, high in reliability and easy and convenient to assemble and can be widely applied to all types of maritime water-secluding pipe anti-blocking-and-hanging recycling operation.

The invention belongs to the field of data information safety technology, and discloses a medical data sharing system based on Blockchain technology and a designing method. The medical data sharing system based on the Blockchain technology comprises components of a data uploader, a data manager, a data requester, alliance chain nodes and a system administrator. In the system, the data uploader utilizes AES for encrypting the medical data, thereby effectively protecting medical data privacy, and realizing high-efficiency medical data storage. Furthermore according to a symmetric key in the AESis encrypted according to the CPABE, thereby ensuring a fact that only the data requestor with an attribute that satisfies a preset accessing strategy structure can perform deciphering for obtaining the symmetric key, realizing fine-grained access control of the medical data, and realizing supports for accessing control of the temporary request data in an emergency. Obviously, the system and the method effectively settle existing problems based on a Blockchain medical data sharing system and safely and efficiently provides services such as medical data storage, fine-grained access control andsharing.

The invention discloses a method for estimating a state during a running process of an automobile. The method comprises the following steps: analyzing a driving feature of the automobile and establishing a motion model of the automobile; introducing a non-integrity constraint for establishing a velocity error estimating equation; estimating errors along side direction and vertical direction during the running process of the automobile on the basis of a velocity and three attitude angles of the automobile; and establishing a slip angle estimating equation of the automobile. The stability of the automobile during the running process can be judged according to the velocity error estimation and slip angle estimation. According to the method, the on-line detection for a front-wheel steering angle of a four-wheel automobile can be realized by utilizing the motion model of the automobile. By adopting the method for estimating the state during the running process of the automobile, the real-time calculation and monitoring for state parameters of the automobile during the running process can be realized, for supplying data reference to safety running of the automobile.

The invention discloses a method for calculating the optimal admitting ability for wind power multipoint access of a regional power grid and belongs to the technical field of wind power penetration methods of the power grid. The method for calculating the optimal admitting ability for the wind power multipoint access of the regional power grid comprises the steps that the installed capacity of all wind power plants is initialized, and data such as the local wind speed are acquired; the output condition of all the wind power plants is calculated, and unit commitment and optimization within all dispatching cycles are conducted, so that an annual unit commitment mode of an electric power system comprising the wind power plants is obtained; power flow calculation is conducted based on each period of time, whether an operation constraint condition of the system is met is verified, and a final objective function value is calculated after simulation is conducted on the system for more than 8760 hours; the installed capacity of the wind power plants is updated, optimized iteration is conducted on an objective function, and optimal solution of the wind power generating capacity is achieved, namely the optimal admitting ability of the power grid which enables the economical efficiency of the system to be optimized on the premise that the safety and stability constraint conditions are met is achieved. According to the method for calculating the optimal admitting ability for the wind power multipoint access of the regional power grid, an optimal wind power admitting capacity calculation model with the largest net earning of a wind power plant and power grid combination system (with the environmental benefit considered) as the purpose is established, and suggestions can be provided for the proper establishment of the installed capacity of the regional wind power plants.

The invention relates to a safe type adjustable rigidness mechanical joint of a magnetic rheologic fluid clutch in the technical field of machinery, which includes a power mechanism, a transmission mechanism, an output mechanism, a drive sensing part and a changeable rigidness mechanism; the transmission mechanism is connected with the output mechanism; the changeable rigidness mechanism is just the magnetic rheologic fluid clutch; the magnetic rheologic fluid clutch is connected with the power mechanism and the transmission mechanism; the drive sensing part relates to a servo motor driver and a motor sensor. The motor driver realizes to adjust a joint speed by a speed ring by the feedback of a coder and a self-current ring is used for controlling the motor to output current; thereby controlling the magnetic field intensity in the clutch and then controlling the joint rigidness and the transferring moment of the clutch. Both the rigidness and the speed of the invention have controllability, which can realize the safety of the joint simultaneously when maintaining the property of the joint. The safe type adjustable rigidness mechanical joint of the invention can protect the safety of the motor, a mechanical arm and a person once a collision happens, which can realize the conversion between rigidness and flexibility of the joint and ensure the moving precision of the tail end.