12results about How to "Efficient data exchange" patented technology

The invention discloses a micro-kernel Hypervisor-based virtual machine cross-operating system communication method, which comprises the following steps of: creating virtual machines which independently run in respective operating system environments by a micro-kernel Hypervisor, then constructing a shared memory between two virtual machines with communication requirements, respectively initializing virtual machine shared equipment by the two virtual machines, and storing the virtual machine shared equipment in the shared memory; according to the cross-operating-system communication method, the shared memory is mapped to a virtual address of the shared memory, when one virtual machine needs to transmit data to the opposite side, communication is initiated to write the data into the shared memory, and the virtual machine receiving the data reads the data from the shared memory, so that cross-operating-system communication of the virtual machines is realized. Based on the shared memory technology, the communication process of the shared memory and the virtual machines is managed by using the microkernel Hypervisor, and cross-operating system communication between the virtual machines is realized.

The invention relates to the technical field of joint simulation, and particularly discloses an FMI standard-based joint simulation method between three-dimensional models of a cloud chained tool, which comprises the following steps of: establishing a three-dimensional joint simulation system for supporting integration and collaboration of different simulation software; dividing the three-dimensional joint simulation system into multiple types of modules according to the requirements of data exchange and time synchronization among different simulation software; and simulation software integration and collaboration among different fields or different systems are carried out by utilizing multiple types of modules, and a three-dimensional joint simulation process is managed. The three-dimensional joint simulation system is established, simulation integration and collaboration among different fields or different systems are realized through a refined simulation process, and the simulation process is managed to standardize the three-dimensional joint simulation process, so that the simulation difficulty is reduced, and the three-dimensional joint simulation can be commonly used in the simulation industry; and a simulation result is closer to a real world result.

The invention relates to the technical field of energy storage liquid cooling, in particular to an energy storage cold plate type liquid cooling unit control system which comprises a main controller, a communication module, a switching value acquisition module, a switching value output module, an analog quantity acquisition module and an analog quantity output module. The switching value acquisition module is used for connecting and acquiring a high-voltage switching signal, a low-voltage switching signal, a temperature switching signal, a fan fault feedback signal and the like of the liquid cooling unit and feeding back the signals to the main controller; the switching value output module is used for connecting and transmitting a control signal to a compressor, a water pump and a fan and outputting a fault signal and the like; the analog quantity acquisition module is used for connecting a temperature sensor and a pressure sensor and feeding back acquired data to the main controller; and the analog quantity output module is connected with a water pump speed regulator and a fan speed regulator. According to the invention, multi-path sensor data acquisition can be supported through expansion, and the requirements of convenient connection and maintenance of various different types of sensors and different communication devices of the liquid cooling system are met.

The present invention relates to the field of intelligent tunnel management and control, and in particular to technical fields such as tunnel event detection, linkage control, and emergency response plans, and discloses a tunnel event management and control platform, including an intelligent control module, an intelligent perception module, an intelligent interconnection module, and an inspection and maintenance APP. The platform is provided with a dual-active information synchronization and coordination framework through the intelligent control module, and the dual-active information synchronization and coordination framework includes an L0 controller, an L2 edge computing device, and a variety of tunnel devices. The L0 controller and the L2 edge computing device perform data synchronization and coordination through a soft bus, which ensures safe operation in the tunnel, reduces the system construction and maintenance costs, has low network construction costs, can perceive abnormal events in tunnel traffic with high precision, has a fast response speed for comprehensive monitoring perception, and the inspection and maintenance APP synchronously obtains the operation and maintenance information inside the tunnel, and has a flexible backup system architecture and stable communication quality.

The utility model provides a screw water-cooling water chilling unit which comprises a screw compressor, a screw water-cooling water chilling unit body and a screw water-cooling water chilling unit body. The main control module is at least used for driving the screw compressor to operate; one or more expansion modules, wherein the expansion modules are arranged independently from the main control module; the main control module and the expansion module are respectively in communication connection with the differential communication bus through the communication driving module; the communication driving module is used for generating a differential signal and sending the differential signal to the differential communication bus, and is used for receiving the differential signal from the differential communication bus. According to the application, the modular design, the differential communication bus and the communication driving module are adopted, the cooperative work between the main control module and the expansion module is ensured, the expandability and the communication stability are better, and the communication cost is remarkably reduced.

The utility model relates to the technical field of intelligent mini cameras, and discloses a fusion application system of a SERDES coding and decoding technology and a USB3.0 transmission chip, which comprises a CMOS module, a flash memory module, a 5V power supply module and a parallel data input, the CMOS module comprises an image sensor, the CMOS module is connected with a serdes coding module, the serdes coding module is connected with a COAX coaxial line, the COAX coaxial line is connected with a USB3.0 transmission chip, the USB3.0 transmission chip is connected with the USB3.0 transmission chip, and the USB3.0 transmission chip is connected with the USB3.0 transmission chip. The COAX coaxial line is connected with a serdes decoding module, and the serdes decoding module is connected with a universal serial bus (USB) 3.0 chip module. According to the utility model, the camera module can be miniaturized through the CMOS + SERDES coding chip and the USB3.0 chip, and the farthest transmission distance between the camera and the mainboard can be 15 meters, so that the camera module can be conveniently deployed on automation equipment.

The invention relates to the field of power system dispatching and communication, and discloses a new method for regulating and controlling a communication protocol, which is based on an IMS standard and an IEC 60870-5-104 protocol, and comprises the following steps: S1, deploying an IMS communication system to replace an existing program control switching system; s2, developing and deploying an edge computing system based on an IMS system; s3, developing and deploying a data processing workstation based on an IMS system; s4, establishing a new regulation and control communication protocol by fusing the IMS standard with the 104 protocol; and S5, analyzing, processing and transmitting the data through the new regulation and control communication protocol. According to the invention, by fusing the advanced IMS communication technology and the 104 protocol, a novel regulation and control communication protocol is established, and the compatibility and cooperative work among the subsystems are ensured. Due to the introduction of automatic and intelligent functions, the system can quickly respond and take measures in case of emergencies and abnormal conditions, and the stability and reliability of the power dispatching system are remarkably enhanced.

The invention provides an access identification system in an industrial control network and an identification method thereof, and the system comprises a data collection module which obtains the data information of the industrial network, and carries out the associated uploading of the obtained data information; the data division module is used for carrying out security analysis on the related information acquired in the data acquisition module, carrying out VLAN division according to processes by utilizing a network I and a network II which are industrially controlled, and establishing a gateway of each VLAN on the basis of core switches of the network I and the network II; under the condition that network equipment is not added, the existing network equipment is utilized, the technical characteristics of an industrial control network and an informatization network are combined, the security of the industrial control network and the informatization network is ensured, and meanwhile, VLAN, STP root node appointing, static routing and a communication-based encryption module are comprehensively utilized, so that the security of the industrial control network and the informatization network is improved. And safe and effective data exchange between the two networks is realized.

The utility model relates to mine automation centralized control and production safety monitoring technical field discloses a kind of underground belt conveyor anti-deviation protection test device, including protection test formula deviation sensor, voice alarm box, single-chip microcomputer remote control device, field centralized control cabinet internal network switch, PLC control system, ground centralized control room internal network switch, ground host computer monitoring, auxiliary shaft shaft and optical fiber network, the protection test formula deviation sensor includes deviation sensor main body and explosion-proof cover plate.The utility model can verify the effectiveness of protection device in advance, reduce equipment sudden failure risk, protect production transportation continuity and personnel safety, for production management, ground personnel can remote convenient operation test, reduce manpower and material resources consumption and underground operation risk, can also be in-depth analysis according to system integration stored data, provide scientific basis for equipment maintenance, parameter optimization and production planning, greatly improve management efficiency.

The utility model provides an isolated transmission terminal based on industrial network interconnection, including terminal shell, the transmission mechanism is equipped with in terminal shell inner bottom wall, and terminal shell inner bottom wall one side is equipped with moving mechanism, and terminal shell inner bottom wall other side is equipped with limit mechanism, and fixed mounting of fixed plate has in transmission terminal shell one end, the utility model discloses through fingerprint sensor carries out the right verification, only the fingerprint of authorized personnel is identified, motor will start, drives screw rod rotation, and then drives the mobile block and the moving plate to move down, makes the terminal machine to show in the user's face, and the user operation is convenient, has guaranteed that the terminal machine will not be contacted at random under the unauthorization condition, effectively prevents data disclosure and illegal operation, and the user can carry out data transmission operation fast, conveniently after through fingerprint verification, realizes efficient data exchange through data transmission mouth, has improved work efficiency greatly.

The invention relates to the technical field of communication, and discloses an asynchronous bidirectional single-line communication method and a circuit system, and the circuit system comprises a receiving and transmitting switching module which is used for controlling data receiving and transmitting, and a data synchronization module which is used for carrying out the synchronization processing of a received single-line signal, and generating a synchronized single-line signal. The data analysis module is used for carrying out decoding processing on the synchronized single-line signals and generating decoded data, the data back-announcement module is used for carrying out encoding processing on data to be back-announced according to the decoded data, coded data is generated, hardware implementation is simplified, power consumption is reduced, and meanwhile, two-way communication between the host and the slave can be achieved.

The invention relates to the technical field of joint simulation, and particularly discloses an FMI standard-based joint simulation method between cloud chaining tool one-dimensional models, which comprises the following steps of: reading all FMU description XML (Extensible Markup Language) files and global coupling configuration files, performing model analysis on an FMU meeting the FMI standard, instantiating the FMU, initializing the FMU, and configuring simulation; operation of continuous state variable derivative obtaining, time synchronization, input vector setting, continuous state variable updating, event monitoring vector obtaining, continuous state vector re-obtaining and output vector updating is carried out in each instantiated FMU, global state control and data control among the multiple FMUs are carried out, and time sequence data are obtained and stored in real time; the generated data are stored, and distributed joint simulation is carried out on incompatible FMUs; and terminating simulation, analyzing the model instance and releasing the memory. According to the method, accurate synchronization of simulation time is realized, including fixed step synchronization and event-driven synchronization mechanisms, so as to adapt to the requirements of different simulation tasks.