43results about How to "Realize autonomous and controllable" patented technology

The invention provides a de-centralization root domain name service method and system based on a block chain. The method comprises steps: a block chain-based de-centralization root domain name servicesystem is set, wherein the block chain-based de-centralization root domain name service system comprises N local subsystems and an alliance chain, each local subsystem at least comprises M clients, alocal server cluster and a local root server, and the local server cluster comprises S servers, and the alliance chain comprises a local root server in each local subsystem; in any local subsystem, atop-level domain name change process is executed among any client, the local root server and the alliance chain; a domain name resolution process is executed among any client, the local server cluster and the local root server; and a root server key change process is executed between the local root server and the alliance chain. Thus, the independence of network sovereignty in different countriescan thus be realized without depending on a centralized network node (server), and an autonomous, controllable, equal and interconnected network world is realized.

The invention discloses a Linux based registry service system. The system comprises a memory registry construction unit, a registry operation unit and a registry service unit, wherein the memory registry construction unit is used for loading a registry data file in an operation system, reading configuration table data already stored in the registry data file through a database interface and constructing a memory registry in a memory; the registry operation unit is used for collecting node data from a registry editor or a user process and transmitting the node data to the registry service unit; and the registry service unit is used for performing corresponding operation on a node corresponding to the node data in the memory registry according to an operation mode for the memory registry. The invention furthermore discloses a Linux based registry service method and a financial self-service device. Through performing the operation of the node data in the memory registry of the memory, the unified, efficient and secure registry configuration data operation can be provided for all running software and the demand of inter-process data sharing can be met.

The invention relates to an open system based safe intelligent programmable logic controller. Consumption type hardware based on open type hardware design realizes a core CPU engine of the controller,traditional programmable logic controller hardware is replaced, and the hardware cost can be reduced; the controller uses a generate Linux operating system instead of a traditional firmware system ofthe programmable logic controller; and a controller program operation software system is realized by open-source software as OpenPLC, so that the controller is intelligent and can be flexibly expanded from basic software and customized. The controller using the general Linux operating system environment is integrated with built-in IPsec VPN to ensure the safety of configuration and communicationprocess between the controller and an engineer station or among controllers, the identity authentication is realized, autonomous controllability in the safety level can be realized on the basis of protection of the national encryption algorithm, and a real safe intelligent programmable logic controller is realized.

The invention discloses a maritime search and rescue positioning terminal based on Beidou satellite communication, and the terminal automatically gives an alarm when a person falls into water or a ship is in distress. The ship name, personal information, position, time and other help seeking information are automatically sent to a search and rescue center server through the Beidou satellite according to a set period and displayed on an electronic chart, and a search and rescue center can timely organize recent search and rescue power for search and rescue after checking the dangerous situation. The positioning and communication functions of the terminal are completed based on a Beidou communication satellite, domestic autonomous controllability is realized, and the communication safety is guaranteed; in the alarm information sending and receipt receiving process, two-way transmission of search and rescue signals is achieved, and the rescue efficiency is improved; two power-on modes of alarm self-starting and manual starting can be adopted. The system is stable and reliable. The indicating lamp can display the information receiving receipt and flicker to prompt the position of a person, and functions are rich. And the equipment adopts a miniaturized design and is convenient to use.

The invention discloses an antenna spatial position rapid matching system and method based on a matching angle. The system comprises an electromagnetic attitude control unit, an electromagnetic signal receiving unit, a strongest receiving direction judgment unit, a spatial position matching judgment unit and a communication instruction control unit. According to the directional diagram angle information of a target antenna and a local antenna, an operator can control the antenna spatial position rapid matching system to change the electromagnetic attitude of the local antenna based on a specified antenna spatial matching angle, so that rapid matching and real-time monitoring of the antenna spatial position are realized; the system and the method can effectively solve the problems of slow operation process progress, low matching precision and the like of long-distance spatial position matching between antennas, greatly improve the spatial position matching efficiency and precision between antennas according to a specified angle, and provide technical support for an electromagnetic environment adaptability irradiation test of radio frequency equipment.

The invention discloses a cigarette logistics distribution center information system based on a combination prediction method, and the system comprises a cigarette demand combination prediction model: constructing a cigarette combination demand model of a time sequence according to impact factors, and carrying out the logistics demand prediction of a cigarette region; the cigarette industrial and commercial finished product pre-library based on the logistics alliance comprises the following steps: establishing the logistics alliance fused by industrial and commercial enterprises, establishing a site selection mathematical model to determine the longitude and latitude of the optimal site selection according to the principles of lowest cost and optimal service, and establishing an industrial enterprise cigarette finished product pre-library in the region where the optimal site selection is located for storing part of cigarettes with high market requirements. Commercial enterprises provide storage and delivery services for the industry; the intelligent warehouse management system associates electronic tags with cigarette carton information based on the RFID technology, carries out precise intelligent management on cigarettes of different industries in a warehouse, realizes warehouse-in and warehouse-out integration, and is in seamless joint with a first engineering system. According to the method, the industrial transportation efficiency is improved, commercial stockout is reduced, and the sorting and distribution timeliness is enhanced.

The invention relates to a general programmer and a programming method thereof, belonging to the field of electronic system integration. The hardware of the programmer provides hardware resources such as multiple power channels, digital channels and analog channels to meet the hardware requirements for programming different types of devices; in the programming method of the programmer, first write the programming algorithm configuration file according to the programming characteristics of the device , and then load and analyze the burning file, the upper computer performs data communication with the programmer hardware according to the programming algorithm configuration file according to the communication protocol, drives various types of hardware resources, and realizes the programming of the programmable device. The general-purpose programmer supports the programming of all programmable devices within the scope of its hardware resource indicators, especially provides programming support for high-voltage devices that require additional programming, filling the gap in the field of programming of this type of programmable devices by traditional general-purpose programmers. Algorithm profiles can be modified for device characteristics to enable programming of many types of programmable devices.

The invention relates to a power data encryption method and device based on a chaotic sequence and a national secret algorithm. The method includes: obtaining power data to be encrypted and serializing it; performing wavelet transformation on the serialized power data to obtain several high-frequency sequence and several low-frequency sequences, record the high-frequency sequence and low-frequency sequence as the first sequence and the second sequence respectively; randomly select two kinds of one-dimensional chaotic maps, and disturb the one-dimensional chaotic maps; The chaotic map and the perturbed chaotic map are combined, and the two candidate chaotic sequences with the largest Lyapunov exponent are selected as the second chaotic sequence; the first sequence and the second sequence are modulated according to the second chaotic sequence, sampling rate and SM4 algorithm , Composite to obtain the spread spectrum sequence; use the SM2 algorithm to sign or verify the spread spectrum sequence. The invention improves the randomness and uniformity of the ciphertext through the wavelet transformation and the chaotic sequence, and further improves the security of the data through the national secret algorithm.

The invention discloses a blade device with high performance and low power consumption, which includes a shock-absorbing knife box and a double bending pipe. Lifting handles are fixedly installed between the adjacent two groups of the broach box, and a fixed pull ring is fixedly installed on the outer surface of the front end of the draw knife box, and a marking card is pasted in the middle of the front outer surface of the fixed pull ring A second controller is fixedly installed on one side of the outer front of the shock-absorbing knife box, and a first controller is fixed on the other side of the outer front of the shock-absorbing knife box; the present invention has a high-performance And the blade device with low power consumption solves the problem of limited bandwidth, matches the bandwidth with the processing capacity, solves the problem of high power consumption of a single module, and can adapt to a more severe working environment, making the blade device have multiple heat dissipation Structure and shock-absorbing protection structure, avoiding the entanglement of its internal wire body.

The invention discloses a system and method for quickly matching antenna spatial positions based on matching angles. The system includes an electromagnetic attitude control unit, an electromagnetic signal receiving unit, a judging unit for the strongest receiving direction, a spatial position matching judging unit, and a communication command control unit . According to the angle information of the direction diagram of the target antenna and the local antenna, the operator can operate the antenna space position rapid matching system to change the electromagnetic attitude of the local antenna according to the specified antenna space matching angle, so as to realize the rapid matching and real-time monitoring of the antenna space position. The present invention can effectively solve the problems of slow operation process and low matching accuracy of long-distance spatial position matching between antennas, greatly improve the efficiency and accuracy of spatial position matching between antennas according to the specified angle, and provide a good test for the electromagnetic environment adaptability of radio frequency equipment Provide technical support.

The present invention provides a blockchain-based decentralized root domain name service method and system, wherein the method includes: setting the blockchain-based decentralized root domain name service system includes: N local subsystems, each local subsystem The system includes at least M clients, a local server cluster and a local root server; wherein, the local server cluster includes S servers; the consortium chain, the consortium chain includes local root servers in each local subsystem; in any local subsystem, Execute the top-level domain name change process between any client, the local root server and the alliance chain; execute the domain name resolution process between any client, the local server cluster, and the local root server; execute the root server password between the local root server and the alliance chain. Key change process. In this way, it can not rely on centralized network nodes (servers), so as to realize the independence of network sovereignty of all countries, and realize an independent, controllable, and equal interconnected network world.

The invention relates to a multi-channel constant current source used for the calibration of a high-precision IF conversion module, comprising a controller and four groups of independent outputs. The third and fourth groups both output ‑1,‑2,‑4,‑10,‑15mA five-speed currents; the five-speed currents of the above-mentioned groups are automatically switched, and the five-speed currents output by different groups They can not be switched, and the controller controls the strobe of four groups of constant current sources; each group of constant current sources is composed of a positive constant current source, a negative constant current source and a single group of switching circuits. The invention can replace the imported reference source and realize the calibration of the high-precision IF conversion module, which not only realizes independent controllability, but also greatly improves the calibration efficiency of the IF conversion module.