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1395results about How to "Achieve delivery" patented technology

Electric commercial vehicle battery box single-trip replacement robot

The invention relates to an electric commercial vehicle battery box single-trip replacement robot which has the advantages of reducing the land occupation because the size of a replacement robot is effectively reduced, and being easily matched with an electric bus because an installing mode of a battery replacement device in the existing replacement robot is changed into a suspension installing mode. The electric commercial vehicle battery box single-trip replacement robot comprises a frame assembly, wherein the frame assembly is arranged on a walking assembly, a temporary storage rack is arranged at one side of the frame assembly, a control cabinet is arranged at the other side of the frame assembly, a lifting transmission assembly is arranged at the top of the frame assembly and is connected with a lifting assembly and also connected with a balance weight assembly, an objective table assembly capable of rotating in situ is suspended at the lower part of the lifting assembly, a fork assembly and a battery push handle assembly are arranged at the bottom of the objective table assembly, V-shaped wheel sets matched with a rectangular steel upright of a replacement robot frame are arranged at four corners of the lifting assembly, an objective table assembly rotating drive device is arranged on the lifting assembly, and a limit device is arranged on the objective table assembly.
Owner:STATE GRID INTELLIGENCE TECH CO LTD

Networked real-time monitoring-oriented numerically-controlled machine tool machining process parameter acquiring method

The invention relates to a networked real-time monitoring-oriented numerically-controlled machine tool machining process parameter acquiring method. According to the method, networked real-time monitoring of the machining states of multiple numerically-controlled machine tools with different control system types and different communication interface modes is achieved based on one server, real-time acquisition and recording of technological process parameters of FANUC, SIEMENS, HEIDENHAIN system machine tools can be achieved based on program names of NC programs and rules with a specific postprocessing format, and automatic transmission, storage and reusing of technological process parameters are achieved. The method is characterized in real-time performance, visibility, integrity, accuracy and the like. Real-time monitoring of the states of the numerically-controlled machine tools, full display of alarm number-based automatch alarm information and automatic transmission, storage and reusing of technological process parameters are achieved based on the spacecraft product numerically-controlled processing flow and the normalized numerically-controlled program format, and integrated application of a digital workshop information system is achieved on the basis.
Owner:BEIJING SATELLITE MFG FACTORY

Expandable-subchain system architecture with main chain and multiple parallel subchains

InactiveCN109286685AAchieve deliveryRealize cross-chain transferTransmissionComputer architectureChain system
The invention provides an expandable-subchain system architecture with a main chain and multiple parallel subchains, which comprises a main chain and multiple parallel subchains. Each node stores mainchain data and is initially allocated by the system with all data of a subchain; the main chain data are provided with the minimum node number and the maximum node number, effect is taken when the node number corresponding to the subchains is no smaller than the minimum node number, the subchain node number does not exceed the maximum node number, and whether a subchain takes effect is also contained in the main chain data; in the case of node registration, a registration request is submitted to a main chain system contract, the system judges whether a subchain with the node number smaller than the maximum node number exists, if yes, the nodes are allocated to a subchain with the minimum node number, or otherwise, a new subchain is expanded, and the subchain does not take effect; and after node registration, the node number of a corresponding subchain is firstly no smaller than the minimum node number, the new subchain takes effect, the subchain number and the system capability are expanded dynamically, and the more the participating nodes are and the more the subchains are, the stronger the system capability is.
Owner:北京蓝石环球区块链科技有限公司

Method for data security transmission and key exchange

The invention provides a method for data security transmission and key exchange and relates to the technical field of information security. The method solves the problems that in the prior art, due to the fact that a mobile storage device is used for transmitting data, a file is divulged; when the data are transmitted through the internet, online supporting by a third-party CA center is needed; when the data are transmitted through a special security hardware device, cost is high and compatibility is poor. The method comprises a cleartext file encryption process, a decryption authorization process and a ciphertext file decryption process. According to the method for data security transmission and key exchange, the technical scheme that a high-intensity symmetric encryption algorithm and an asymmetric cryptographic algorithm are combined is adopted, mark extraction can be conducted, a public key and private key pair is generated and extracted, a key file is synthesized into ciphertext data, and therefore a file can be formed. Meanwhile, a reversible process can also be achieved, wherein one file is divided into the key file and the ciphertext data, and therefore the method for data security transmission and key exchange is easy and convenient to operate and high in security level.
Owner:北京信长城科技发展有限公司

Collaborative information transfer method facing car networking

The invention discloses a collaborative information transfer method facing car networking. Information of a remote subscriber unit (RSU) and information of offshore banking units (OBU) are collected, and a reliable cooperative relay is selected to carry out information transfer between a source node and a goal node. The method comprises that information is collected, namely, through information interaction of the RSU and the OBU, the OBU send information relevant to the OBU to the RSU, the RSU records and keeps the information; a relay set is selected, namely, when the source node sends the information to the goal node, the information, kept by the RSU, relevant to all the OBU is inquired, a set of OBU is initially selected, wherein the set of the OBU can reach a node position of a destination; a sending distance is judged and a final relay is selected, namely, the distance for sending the information is judged according to the type of information which is needed to be transferred, the number n of relays is selected according to the confirmed sending distance, and eventually n OBUs are randomly selected from the selected OBU set to be used as final cooperative relays for transferring information. The method can select relay nodes for a user of the OBU in a reasonable mode, and information transfer can be carried out through the relay nodes.
Owner:GUANGDONG UNIV OF TECH

Interface parameter transfer method, interface parameter transfer device, interface parameter transfer equipment and computer-readable storage medium

The invention discloses an interface parameter transfer method, an interface parameter transfer device, interface parameter transfer equipment and a computer-readable storage medium. The method includes: reading a configuration information group in an XML (eXtensible Markup Language) configuration file, and carrying out parameter extraction according to the current configuration information group;checking extracted parameters, and storing the extracted parameters in a form of key-value pairs in a preset storage area after checking is successful; and when an interface request parameter is received, judging whether a format of the interface request parameter is the preset format, and acquiring a returning parameter, which corresponds to the interface request parameter, from the preset storage area when the format of the interface request parameter is the preset format. According to the scheme, parameter extraction and storage are realized through the configuration information group in the XML configuration file, the returning parameter of the interface request parameter corresponding to the preset format is acquired at the same time, and transfer of the parameter between all interfaces is completed. Writing of parameter transfer code of the different interfaces is avoided, coupling of code and parameter extraction and transfer is reduced, and code maintenance is facilitated.
Owner:CHINA PING AN LIFE INSURANCE CO LTD

Microbial capacitive desalination fuel cell technology

The invention discloses a microbial capacitive desalination fuel cell technology for supplying power to a capacitive deionization unit by virtue of electric energy generated by microbial treatment of sewage and relates to the technical field of microbial treatment of sewage, microbial power generation and capacitive deionization desalination. The desalination technology consists of a microbial fuel cell and a capacitive deionization unit. The technology is characterized in that two cation exchange membranes and two active carbon cloth electrodes are added between an anode chamber and a cathode chamber of a microbial fuel cell to form a desalination chamber. The problem in the prior art is that microorganisms oxidize organic pollutants to release protons which are accumulated to lead to decrease of pH value of the anode chamber so as to affect the yield and desalination. The anode chamber, the desalination chamber and the cathode chamber are divided by using the two cation exchange membranes and two active carbon cloth electrodes, so that protons can be freely transferred among the three chambers by virtue of the cation membranes and the active carbon cloth so as to stabilize the pH values of the chambers. The invention aims to provide the method for operating microbial capacitive desalination fuel cell in a long term, wherein the activity of electrochemically active microorganisms is maintained and the electricity production capacity and the desalination efficiency are improved.
Owner:HUNAN UNIV +1

Dynamic lightweight class trust evaluation method based on Bayesian theory and entropy theory

The invention provides a dynamic lightweight class trust evaluation method based on the Bayesian theory and the entropy theory, and belongs to the technical field of wireless sensor network security. The dynamic lightweight class trust evaluation method based on the Bayesian theory and the entropy theory includes the following steps: S1, an evaluation subject calculates the direct trust value of an evaluation object according to the Bayesian theory; S2, the evaluation subject updates the direct trust value of the evaluation object by means of attenuation factors and valid history memory periodically; S3, the evaluation subject calculates the confidence coefficient of the direct trust value of the evaluation object, and judges whether the confidence coefficient is larger than a certain threshold value to determine whether the indirect trust value of the evaluation object needs to be calculated or not; S4, the evaluation subject confirms the bang path of the recommendation trust values, confirms the weight of the recommendation trust values by means of the entropy theory, calculates the indirect trust value of the evaluation object, and calculates the comprehensive trust value of the evaluation object through the combination of the direct trust value and the indirect trust value of the evaluation object. The dynamic lightweight class trust evaluation method based on the Bayesian theory and the entropy theory is in accordance with the characteristics that sources such as capacity, calculation, and storage of network nodes are limited and has the advantages of being dynamic, adaptive, lightweight and the like.
Owner:BEIHANG UNIV

Asymmetric group key negotiation method based on block chain

The invention provides an asymmetric group key negotiation method based on a block chain. The asymmetric group key negotiation method comprises the following steps: generating and registering keys of terminal members of a group; enabling the key generation center to arrange the terminal members into an annular set with identifiers according to the IP addresses, the public keys and the registration identification information of the terminal members, broadcast messages among the terminal members and store broadcast information of left and right neighbor nodes of the terminal members; and enabling the terminal member on the initiating node in the annular set to package the message composed of the group key parameters to the first block and transmit the message to the terminal member on the right adjacent node of the first block, carrying out circulation sequentially until the terminal member on the left adjacent node of the initiating node is reached, and calculating a group encryption key and a group decryption key, namely carrying out group key self-verification verification. Security information exchange and security information transmission between group members are achieved through the block chain technology, the asymmetric group key negotiation function and the performance advantage of the block chain technology are achieved, and group key negotiation is more flexible, efficient and practical.
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY

Double-column rotary corrosive-wear testing machine

The invention provides a double-column rotary corrosive-wear testing machine, comprising a testing stand, which is provided with two columns, wherein a crossbeam is arranged on the columns and a through hole is formed in the center of the crossbeam; a crossbeam elevating and driving mechanism, which is arranged on the test stand and connected with the crossbeam; a testing drum, which is arranged on the center of the test stand, wherein an annular temperature control/cooling pipeline is arranged in the lower part of the testing drum; a transmission shaft, which passes through and is arranged in the through hole in the crossbeam; a sample clamping disc, which is fixed at the lower end of the transmission shaft, wherein the upper end surface of the sample clamping disc is provided with an annular groove, and the outer sides of the annular groove are provided with installation through holes; working electrodes, i.e., to-be-tested samples, which are inserted into the installation through holes; an auxiliary electrode, i.e., an annular platinum wire, which is arranged in the annular groove of the sample clamping disc; reference electrodes, which are uniformly distributed on the sample clamping disc at positions corresponding to the working electrodes; and a dynamic connection pool, which comprises annular dovetail cups, wherein the annular dovetail cups sleeve the upper part of the transmission shaft, leading-out circular rings are arranged at the bottom of the inner sides of the annular dovetail cups, the outer sides of the leading-out circular rings are provided with wiring copper columns penetrating the bottoms of the cups, the interior of each annular dovetail cup is provided with an electric needle, the lower ends of the electric needles are certain distance away from the leading-out circular rings, and the working electrodes, the auxiliary electrode and the reference electrodes are connected with the dynamic connection pool through leads.
Owner:BAOSHAN IRON & STEEL CO LTD

Method for storing and taking articles through locker system

The invention provides a method for storing and taking articles through a locker system. The locker system comprises a locker, an electronic coded lock, a control system, a system power supply, a communication module and a user communication terminal, wherein the communication module is connected with the control system, and the user communication terminal is connected with the communication module through a communication network. The method for storing and taking the articles through the locker system includes the following steps of firstly, enabling the number of the user communication terminal of a user who is about to store the articles to be pre-stored through the control system, and binding the number of the corresponding locker with the number of the user communication terminal of the user according to the requirements of the user; secondly, enabling the control system to open the corresponding locker according to the requirements of the user so that the articles can be stored; thirdly, enabling the control system to calculate the code and to be in communication with the user communication terminal of the user so as to transmit an unlocking dynamic code key; finally, opening the corresponding locker to take the articles according to the dynamic code when the user takes the articles.
Owner:上海达距物联网科技发展有限公司

Communication method and device among application programs

The invention discloses a communication method a communication device among application programs, and the method and the device are used for transmitting a message between a current application program in an internetwork operating system (iOS) and a target application program; the target application program is provided with customized unified resource positioning locator scheme (URL Schemes) field information; the device comprises an information acquisition unit, a generation unit, a transfer unit, a judging unit and an installation tool transfer unit; the information acquisition unit is used for acquiring the URL Schemes field information; the generation unit is used for generating the URL of the target application program according to the URL Schemes field information; the transfer unit is used for transferring the UIApplication open URL method in the current application program with the URL as a parameter, and transmitting the message to the target application program; the judging unit is used for transferring the UIApplication canOpenURL method with the URL Schemes field information as the parameter so as to judge whether the target application program is installed in a current operation system or not; and the installation tool transfer unit is used for transferring an application program installation list tool and displaying the target application program in the application program installation list tool if the target application program is not installed. Through the communication method among application programs and the device, the communication among different application programs in the iOS system can be realized.
Owner:BEIJING QIHOO TECH CO LTD
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