26results about How to "Realize autonomous and controllable" patented technology

The invention provides a handshake protocol method and system based on an SM2 algorithm and an SM4 algorithm, and relates to the field of encrypted transmission, and the method comprises the steps: obtaining first request information in a session process; sending a first SM2 public key generated based on an SM2 algorithm and first client random number ciphertext information to the server; decrypting the SM4 ciphertext information based on a first SM2 private key generated by an SM2 algorithm to obtain an SM4 target key; processing the random number ciphertext information of the second client and the random number ciphertext information of the first server; sending the second server random number target ciphertext information to the server; and processing the first request information to receive the session return ciphertext information from the server and decrypt to determine the session return plaintext information. The handshake encryption between the client side and the server side is completed based on the SM2 algorithm and the SM4 cryptographic algorithm, the SM2 algorithm and the SM4 algorithm are used for replacing an RSA algorithm, an ECDHE algorithm and a DES algorithm on which an SSL protocol depends, and autonomous controllability of data security and information security is achieved.

The invention belongs to the technical field of whole-genome gene chips, and particularly relates to a leymus chinensis whole-genome 50K liquid chip and application thereof. According to the leymus chinensis whole genome 50K liquid phase chip, a whole genome re-sequencing technology is utilized, an SNP molecular marker combination of leymus chinensis is determined, and then the leymus chinensis whole genome 50K liquid phase chip is developed. The chip is combined with a high-density SNP probe, realizes high-throughput and high-precision genetic typing of leymus chinensis genomes, and particularly has wide application prospects in the field of molecular breeding.

The invention belongs to the field of wireless communication, and discloses a power wireless local area network information security transmission method and a related device, and the method comprises the steps: obtaining a current physical layer leader sequence and a physical layer header, and carrying out the processing of to-be-transmitted data on the basis of the current physical layer leader sequence and the physical layer header, thereby achieving the dynamic operation of the physical layer leader sequence and the physical layer header. Meanwhile, when data to be transmitted are modulated by adopting an orthogonal frequency division multiplexing technology, a positive value random quantity is introduced to modify a cyclic prefix selection area and length and modify subcarrier parameters, so that the randomness and unpredictability of signal transmission are further improved, and the hiding of physical layer waveform parameters is realized. By dynamically switching the waveform factors of the physical layer, an attacker is difficult to capture and identify the characteristic information of the wireless signal due to the dynamic change, so that the anti-reconnaissance and anti-interception capabilities of the system are greatly improved. A parameter dynamic change rule can be self-formulated for the power wireless local area network, so that the powerful supervision capability of the power industry on the wireless local area network technology can be realized.

The invention discloses an environmental radon concentration detector based on a scintillator chamber, and the detector comprises a scintillation chamber in which a sampled radon-containing gas enters the scintillation chamber through a gas inlet, and an alpha ray generated by radon decay reacts with ZnS (Ag) to generate an optical signal; the photomultiplier is used for converting an optical signal into an electric signal; the pre-amplifier is used for amplifying and shaping the electric signal to obtain an amplified electric signal; the signal acquisition module is used for acquiring the amplified electric signal; and the concentration calculation module is used for calculating the radon concentration in the environment according to the amplified electric signal in combination with the decay law of the radon and the daughters thereof and the measurement time set by the user. According to the invention, radon and daughter decayed alpha rays in sampling gas react with the coating of the scintillation chamber to serve as the basis of radon concentration calculation, and the environmental radon concentration detection accuracy is improved from the internal structure design of the chamber.

The invention relates to the technical field of servo motor modules, in particular to a servo motor module capable of optical high-precision adjusting.The servo motor module comprises a servo motor, a speed reduction assembly, an output assembly, a mounting assembly and a magnetic coding disc, an output shaft of the servo motor is fixedly connected with the bottom end of the speed reduction assembly, and the outer wall of the speed reduction assembly is in meshed connection with the outer wall of the output assembly; the top of the output assembly is fixedly connected with the bottom end of the installation assembly, the inner wall of the installation assembly is connected with the outer wall of the speed reduction assembly in a clamped mode, an output gear drives a detection rod to rotate, the detection rod drives a magnet block to conduct transmission below a magnetic coding disc, and therefore a magnetic detection module receives pulses to detect the rotating speed of a servo motor. High-precision angle information output is achieved, the precision reaches up to 4096, meanwhile, compared with a traditional contact type transmission mode, the non-contact transmission mode of the magnetic coding disc and the magnet blocks is achieved, zero abrasion is achieved, reliability is high, and the service life is long.

The invention discloses an aeration tank oxygen content measurement method, device, equipment and medium, and relates to the field of oxygen content measurement, and the method comprises the steps: inputting a current velocity vector and a current gas-liquid phase function of a fluid in an aeration tank into a coupling relational expression among the velocity vector, the vortex vector and the gas-liquid phase function, the current vortex vector, the current velocity vector and the current gas-liquid phase function of the fluid are updated; determining the apparent diffusion coefficient of the oxygen solute based on the diffusion coefficient of the oxygen solute in liquid and gas and the updated current gas-liquid phase function, and updating the current oxygen solute mass fraction in combination with the updated current velocity vector; and measuring the oxygen content of the aeration tank according to the updated current oxygen solute mass fraction and the updated current gas-liquid phase function in a predetermined cubic computational domain based on the aeration tank. Through real-time simulation of the gas-liquid two-phase flow and the oxygen solute transport process, non-contact measurement of the oxygen content of the aeration tank is independently researched and developed, and support is provided for optimal design of the aeration tank.

The present invention discloses a cigarette logistics distribution center information system based on a combined forecasting method, a cigarette demand combination forecasting model: a cigarette combination demand model of a time series is constructed according to influencing factors to forecast cigarette regional logistics demand; a cigarette industrial and commercial finished product pre-warehouse based on a logistics alliance: a logistics alliance integrating industrial and commercial enterprises is established, and a mathematical model for site selection is established to determine the most optimal site longitude and latitude according to the principle of lowest cost and best service, and a pre-warehouse for cigarette finished products of industrial enterprises is built in the area where the most optimal site is located to store some cigarettes with high market demand, and commercial enterprises provide warehousing and delivery services for the industry; an intelligent warehouse management system: based on RFID technology, electronic tags are associated with cigarette information, and precise intelligent management of cigarettes of different industries in the warehouse is implemented to realize storage and warehousing integration, and seamless connection with the No. 1 engineering system. The present invention improves industrial transportation efficiency, reduces commercial shortages, and enhances the timeliness of sorting and distribution.

The invention discloses a coefficient measurement method, device, equipment and medium for a deformed liquid drop, and relates to the field of liquid drop measurement, and the method comprises the steps: inputting a current velocity vector and a current gas-liquid phase function of a fluid in an icing wind tunnel into a coupling relation among the velocity vector, an eddy vector and the gas-liquid phase function, the current vortex vector, the current velocity vector and the current gas-liquid phase function of the fluid are updated; determining an apparent thermal diffusion coefficient based on the updated current gas-liquid phase function, and updating the current temperature of the fluid in combination with the updated current velocity vector; in a cube computational domain predetermined based on the icing wind tunnel, the current resistance coefficient of the deformed liquid drop in the icing wind tunnel is measured according to the updated current velocity vector, and the current heat transfer coefficient of the deformed liquid drop is measured according to the updated current temperature, so that the current cooling state of the deformed liquid drop is determined. According to the invention, non-contact measurement of the resistance coefficient and the heat transfer coefficient of the deformed liquid drop is researched and developed independently, so that the cooling process of the deformed liquid drop is estimated more accurately.

The invention particularly relates to a nationwide data communication gateway machine based on Riccore micro RK3588. According to the nationwide data communication gateway machine based on the Raycore micro RK3588, a main board module adopts a nationwide main board, an interface board module comprises an indicator light board and a network port expansion board, and all components of the main board module and the interface board module adopt domestic brands; the power supply module comprises a two-way redundant power supply and is used for supplying power to the mainboard module and the interface board module; the case module comprises a case body and front and rear panels arranged on the case body; the software module comprises firmware and an operating system. According to the nationwide data communication gateway machine based on the Riccore micro RK3588, all components of the mainboard and the interface board are all domestic devices, 100% localization of the board-level components is achieved, the power source and the machine case are both domestic products, the operating system is a domestic operating system, 100% nationwide production of the whole machine is achieved, and then key equipment of an electric power system is completely autonomous and controllable.

The invention relates to the technical field of solar cells, in particular to a five-junction solar cell based on bonding of a composite substrate and a wafer and a preparation method of the five-junction solar cell, and the preparation method comprises the following steps: 1) preparing a silicon-based InP film; 2) epitaxially growing a forward two-junction solar cell on the silicon-based InP thin film through MOCVD (Metal Organic Chemical Vapor Deposition); 3) epitaxially growing a reverse triple-junction solar cell on the GaAs substrate through MOCVD (Metal Organic Chemical Vapor Deposition); 4) heterogeneously integrating two sub-cells at the bottom of the silicon-based InP thin film and three sub-cells at the top of the gallium arsenide substrate through a wafer bonding technology; the three-junction solar cell and the preparation method thereof have the advantages that the performance is excellent, the collection efficiency of photon-generated carriers is effectively improved, the photoelectric conversion efficiency of the three-junction solar cell is improved, the application prospect is wide, and the like.

The invention discloses a data copy management method and system based on a block chain, and belongs to the technical field of data copy management, and the method comprises the steps: slicing source data, creating data fragments, encrypting the data fragments, and distributing the data fragments to different storage nodes according to a data positioning algorithm; calculating a hash value of the data fragment, adding the hash value into metadata, and writing the metadata and the hash value into a block chain account book; according to the data copy management method and system based on the block chain, the problems of privacy disclosure, data loss and non-traceability of an original data copy system are broken through, the block chain technology is combined, the sliced metadata is chained, privacy protection, non-tampering and traceability of the data are achieved, and the data copy management method and system based on the national cryptographic algorithm and domestic software and hardware are provided. And complete autonomous controllability of the core module is realized.

The invention provides a private network distributed voice exchange method and device, and belongs to the technical field of wired communication, and the device comprises a CPU service module, a CPU management module, an analog voice signal and PCM digital signal conversion module, a received signal processing module, a voice exchange and data encapsulation and de-encapsulation module, a data scrambling and de-scrambling module, and an Ethernet two-layer exchange module. On the basis of VoIP, distributed voice exchange and Ethernet scrambling and descrambling technologies, the defects of fixed telephone networks of telecom operators are overcome, and distributed voice access and exchange functions are provided at a plurality of nodes by utilizing Ethernet interfaces of existing network resources of some enterprises and affairs and special industries such as petroleum and electric power, so that the purposes of reducing cost and improving efficiency are achieved.

This invention belongs to the field of information security and relates to a security monitoring device based on a VPX architecture. It includes: a main processing module for processing and computing business data; a bridge module electrically connected to the main processing module for expanding auxiliary peripherals; a management and control module electrically connected to both the main processing module and the bridge module for system status monitoring and management; a network communication module electrically connected to the bridge module for providing four gigabit Ethernet interfaces to enable data interaction between systems; and a first level conversion module electrically connected to both the management and control module and the main processing module. This invention achieves end-to-end autonomous control from computation and control to security, enabling the perception and management of device health status, significantly improving fault diagnosis efficiency and system maintainability. It can operate stably in harsh environments such as national defense and aerospace, significantly improving system reliability and lifespan.

The invention belongs to but is not limited to the technical field of digital signature, and particularly relates to a threshold ring signature method and system based on an SM2 digital signature algorithm, a threshold ring signature is generated through multi-party cooperation, and the security of the system can be effectively improved. On the basis of the SM2, the signature efficiency is effectively improved while the security is ensured, and the core password technology is autonomously controllable. The problems that an existing threshold ring signature scheme is low in efficiency and depends on foreign cryptographic algorithms are solved. Besides, the secret key generation part is completed by cooperation of the third-party mechanism and the user without completely depending on the third-party mechanism, the problem of secret key leakage caused by the fact that the third-party mechanism is not credible or is subjected to hostile attack can be effectively avoided, and the safety is higher.

The present invention discloses a multi-channel ignition timing test method, system and computer equipment, the method comprising: a main thread responds to a user's test instruction, sets a test flag to a first flag representing a test state, and creates a test thread; the test thread opens the system's external interface and sets the thread flag to a second flag of a start thread, and creates a receiving thread; the receiving thread monitors the external interface in real time, pulls data obtained by the external interface and parses it to determine whether the timing state has changed, and puts the changed timing state change frame into a global variable; the test thread obtains the timing state change frame, searches for the changed timing information, and sends an update interface signal to the main thread; the main thread updates the representation information in the display interface; the present invention adopts the "layered architecture + multi-threading" technology, can run on the Kirin operating system of the Loongson processor, and realizes the autonomous control of the ignition timing test system from hardware, operating system to software.

The invention discloses an autonomous and controllable data sharing method in a complex scene, which is used for supporting the security, privacy and multi-scene availability of personal data when the personal data is shared externally. And meanwhile, an access strategy and a complex scene access task are introduced, so that the authorization and access controllability and compliance of the personal data are further ensured. According to the method, multiple cryptographic algorithms including a Shamir secret sharing method, a rapid attribute-based encryption technology and the like are adopted to protect the confidentiality of public data. Wherein the rapid attribute-based encryption technology encrypts personal data and packages the personal data into a data capsule under a specified access strategy. In addition, the personal data owner can also generate access tasks according to different data use scenes (sequential, cooperative and shared scenes), and the sharing of the data in different scenes is limited. And finally, the personal data owner can cancel the access authority of the data user to the capsule through the cancel request.

The invention discloses a gas-liquid-ice three-phase flow analysis method, device and equipment and a medium, and relates to the field of phase analysis, and the method comprises the steps: in a computational domain determined based on industrial equipment, determining a velocity vector of a fluid at a boundary in the computational domain based on a current liquid-ice phase function, so as to update the current velocity vector of the fluid; inputting the current gas-liquid phase function, the current mass flux and the updated current velocity vector of the fluid into a coupling relational expression to update the current vortex vector and the current velocity vector of the fluid and predict a new current gas-liquid phase function, and then updating the current temperature of the fluid in combination with the current liquid ice phase function and the current mass flux. And the current mass flux, the current liquid ice phase function and the current gas-liquid phase function are updated based on the updated current temperature, so that the phase state at any position in the computational domain is determined in real time, autonomous analysis of the dynamic icing process is realized, the blank in the field of gas-liquid ice three-phase flow analysis is filled up, and support is provided for icing problem analysis.

The present invention discloses a switch motherboard based on a Shenwei 121 processor and a network switching chip, including a switch motherboard body, a Shenwei 121 processor and a domestic switching chip, the switch motherboard body is installed with a Shenwei 121 processor, a power timing control chip, a BIOS chip and a memory slot, a group of XPCIE signals on the Shenwei 121 processor are connected to a PCIE interface on a domestic switching chip, the Shenwei 121 processor is connected to a power timing control chip, a BIOS chip and a memory slot, the Shenwei 121 processor is connected to a DDR3 memory controller, and the Shenwei 121 processor is connected to an Ethernet PHY via an RGMII interface. The switch motherboard based on the Shenwei 121 processor and the network switching chip provides wired Ethernet, WIFI wireless network and power line network on the switch motherboard at the same time, can achieve full broadband network coverage within the home, improve the indoor broadband network layout, and provide broadband service applications for user information appliances.

The invention discloses a three-dimensional Fourier transform acceleration method and device, equipment and a medium, and relates to the field of industrial fluid, and the method comprises the steps: a CPU divides a to-be-processed three-dimensional data set, and distributes each sub-data set to each sub-processor; when each sub-processor respectively and sequentially executes one-dimensional Fourier transform on the corresponding sub-data set in three directions, a general task for executing the one-dimensional Fourier transform is sent to a GPU, the GPU divides the general task so as to concurrently execute each sub-task by utilizing each stream processor, concurrent execution results of a plurality of sub-tasks belonging to the same general task are merged, and the merged results are sent to the GPU; each merged result is returned to the corresponding sub-processor so as to update the sub-data set in the sub-processor; and if the one-dimensional Fourier transform in the three directions is executed, merging the current sub-data sets in the sub-processors to obtain a target three-dimensional data set. Through CPU parallelism and GPU parallelism, the complexity of Fourier transform is reduced, and autonomous controllability of industrial fluid software is achieved.

The present application discloses a three-dimensional Fourier transform acceleration method, device, equipment and medium, which relates to the field of industrial fluid, including: the CPU divides the three-dimensional data set to be processed and distributes each sub-data set to each sub-processor; when each sub-processor performs one-dimensional Fourier transform on the corresponding sub-data set in three directions in sequence, the total task of performing the one-dimensional Fourier transform is sent to the GPU, the GPU divides the total task to use each stream processor to concurrently execute each sub-task, merges the concurrent execution results of several sub-tasks belonging to the same total task, and returns each merged result to the corresponding sub-processor to update the sub-data set in the sub-processor; if the one-dimensional Fourier transform in three directions is completed, the current sub-data set in each sub-processor is merged to obtain the target three-dimensional data set. The present application reduces the complexity of Fourier transform through CPU parallelism and GPU concurrency, and realizes autonomous control of industrial fluid software.

The invention provides an air gun control system. The air gun control system comprises a host, manifold pressure, a network switch, a deck interface unit, a deck power supply unit, a time controller and a subarray, the host is in pressure connection with a manifold through a serial port line and is also connected with the network switch through a network cable, the deck interface unit is connected with the network switch and the deck power supply unit through cables, the time controller is a time receiving and control device, is connected with the network switch and is connected to the host, and the subarrays are connected with the deck interface unit through seismic cables. Each subarray is designed to be an independent module and is located below the water surface, and data interaction between underwater equipment and deck equipment is achieved. The air gun control system provided by the invention has a modular design and a simple structure, and can effectively reduce the system cost and improve the operation convenience.

The present invention discloses a network redundant communication system, in which each chip can be designed with domestically produced devices to achieve complete autonomy and control. When in multi-network card mode, each network can use the same IP address. When one of the networks fails, the other network can continue to undertake the communication task. When in PRP mode, it has an electrical port communication network and two optical port networks. The electrical port and the optical port are independent of each other and can be configured with IP separately. When the optical port sends information, if one of the optical ports fails, the other optical port can ensure that the data is not lost during the transmission process and continue to undertake the communication task. The free switching between the dual network card mode and the PRP mode can meet the use requirements of more complex and harsh environments. It can also realize network redundancy design for special industries.

The application provides a modeling method and system of an airport landscape database, wherein the method comprises the following steps: generating an airport terrain database based on basic geographic data of a target area, extracting ground features based on the airport terrain database, and constructing an airport core model matched with the ground features; generating a peripheral scene model based on geographic vector data and / or basic geographic data; modularly packaging the airport terrain database, the airport core model and the peripheral scene model, and triggering the polymorphic material interface of each module after packaging to switch the model texture based on external environment driving data, so as to generate a target airport landscape database, which solves the problems of scattered visual scene modeling tools, complicated conversion and the bottleneck of low-end commercial engines in dynamic scene rendering and frame rate stability in the prior art, greatly improves the development efficiency of large-scale airport landscapes, and comprehensively meets the strict requirements of high-level flight simulators on high immersion, high fidelity and deeply customized visual environment.

The invention provides an application method and system of an autonomous controllable technology in a GIL power transmission line integrated monitoring system, and the method comprises the steps: 1, obtaining a project demand report; step 2, according to the project demand report, establishing an autonomous controllable network transmission link to collect data at a front end; 3, building an autonomous and controllable foundation support; 4, building an autonomous and controllable platform service; and 5, according to the front-end acquisition data, the basic support and the platform service, applying an autonomous controllable technology in the GIL power transmission line integrated monitoring system. According to the application method and system of the autonomous controllable technology in the GIL power transmission line integrated monitoring system, a data acquisition interface is determined according to a project demand report of a target hydropower station, and front-end acquisition data is acquired; autonomous and controllable basic support and platform service are established, autonomous and controllable monitoring is carried out according to front-end collected data, the basic support and the platform service, and the GIL system is more reliable, more controllable and safer at the same time.

The invention provides a cloud-side collaborative cloud instrument architecture, an implementation method and an edge gateway, the cloud-side collaborative cloud instrument architecture comprises an edge node, an instrument cloud platform and a cloud instrument application platform, the edge node is used for connecting instrument equipment, providing virtualized computing resources and performing edge computing; the instrument cloud platform is used for deploying a service application, providing a developer platform for a user and carrying out customized development on an instrument function; and the cloud instrument application platform is used for providing terminal user-oriented services and displaying results on different terminal pages. According to the invention, through the edge gateway, an instrument cloud edge collaborative architecture can be realized, the architecture of a traditional desk type instrument and a virtual instrument based on a PC is changed, the instrument does not depend on the PC and a windows operating system any more, while the form of the instrument is changed, the original measurement data root entry is autonomously controllable, and software and hardware are decoupled at an edge node, so that the implementation is convenient. The instrument equipment cost is greatly reduced, and the instrument function is expanded.

The utility model relates to a flexible two-finger type telescopic clamp holder, and relates to the technical field of robots. Comprising a motor, an elastic coupling, a driving rod, a moving piece, a connecting device, a clamping jaw connecting piece and a clamping jaw, the motor output end is in transmission connection with the driving rod through the elastic coupling. The end, away from the elastic coupling, of the driving rod is in threaded connection with the moving part. The elastic coupling is sleeved with the connecting device, the two clamping jaw connecting pieces are symmetrically arranged, one ends of the clamping jaw connecting pieces are hinged to the moving piece, the other ends of the clamping jaw connecting pieces are connected to the connecting device in a sliding mode and hinged to the connecting device, and the clamping jaws are fixedly installed on the clamping jaw connecting pieces. By means of the transmission mode that the motor drives the driving rod, stability is improved, autonomous control is achieved at the same time, the application range is effectively widened, the clamping effect is effectively improved, and the accuracy and stability of the clamp holder can be effectively improved.