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Substation secondary system operation and maintenance cloud platform

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.
Owner:STATE GRID CORP OF CHINA +1

Automatic docking and falling connector with active follow-up function of carrier rocket

The invention discloses an automatic docking and falling connector with an active follow-up function of a carrier rocket. The connector comprises an executing mechanism, signal detection devices, an error compensation mechanism and a locking device; a base frame of the executing mechanism is fixedly connected with oscillating bars stretching out from a carrier rocket launch tower, the circumferential direction of the base frame is symmetrically provided with hydraulic cylinders, and the cylinder bodies of the hydraulic cylinders are fixedly connected with the base frame; the ends of piston rods of the hydraulic cylinders are fixedly connected with sliding blocks, the sliding blocks are connected with the error compensation mechanism through connecting rods, and the connecting rods are connected with the sliding blocks and the error compensation mechanism through spherical hinges; the signal detection devices are arranged at the upper end and lower end of the base frame and are corresponding to the positions of protruding marks on a rocket body, the protruding marks at the two ends are mutually perpendicular, one protruding mark is parallel to the axial direction of the rocket body, and the extension line of the protruding mark penetrates the charging valve center line of the rocket body. The automatic docking and falling connector with the active follow-up function of the carrier rocket can reduce the force borne by the rocket body and shorten the docking and falling time.
Owner:NANJING UNIV OF SCI & TECH +1

Configuration information transmission method and device

The invention provides a configuration information transmission method and device. The method comprises following steps of obtaining intercommunication request information submitted by a user; obtaining VPC (Virtual Private Network) information corresponding to a VPC; through utilization of the intercommunication request information and the VPC information, generating first forwarding configuration information corresponding to a first edge device and second forwarding configuration information corresponding to a second edge device; sending the first forwarding configuration information to the first edge device; configuring by the first edge device by using the first forwarding configuration information; sending the second forwarding configuration information to the second edge device; and configuring by the second edge device by using the second forwarding configuration information. Through adoption of the technical scheme provided by the invention, it is unnecessary to manually generate the configuration information by a public cloud operator / user; the manual configuration workload is avoided; problems such as configuration errors will not appear; the service is rapidly deployed and comes online rapidly; the operation and maintenance cost is reduced; and the integral competitive power is greatly increased.
Owner:HANGZHOU DT DREAM TECH

Virtual device generating and deploying method

ActiveCN103793259ASolve the problem that the volume is too large and the distribution is difficultResolve commitProgram loading/initiatingSoftware simulation/interpretation/emulationApplication softwareVirtual computing
The invention belongs to the technical field of virtual computer environments and particularly relates to a virtual device generating and deploying method. Automatic virtual device generating and deploying are achieved by disintegrating the complete virtual machine image used by a virtual device into a basic substrate and a business device. The method includes the steps of firstly, deploying a virtual computing environment, deploying a physical host, and deploying a management server; secondly, under the support of the virtual computing environment, realizing virtual device generating and deploying through virtual device modules, and respectively setting virtual device modules including a universal template database, a device library, a device generating container, a device assembling container and an executing unit; thirdly, using a front-end user interface to create and generating the virtual device; fourthly, when the virtual device saved in the virtual device library is applied in the virtual computing environment, deploying the virtual device through the front-end user interface. The method has the advantages that the problems that application software submitting, deploying and configuring are difficult and time consuming are solved, the problem that the virtual device in the existing commercial technology is excessively large in size and difficult in issuing, and centralized application issuing, zero configuration deploying and fast issuing can be achieved.
Owner:INST OF CHINA ELECTRONICS SYST ENG CO +1

Measurement method for three-dimensional geographical coordinates of submarine pipeline

The invention discloses a measurement method for three-dimensional geographical coordinates of a submarine pipeline. The measurement method comprises the following steps: fixing a three-component magnetic sensor and an acceleration sensor at any positions of a spherical internal detector, arranging the spherical internal detector in the submarine pipeline for inspection, measuring the magnetic field and the acceleration in the pipeline, and after polling, downloading the magnetic field signal, recorded by the spherical internal detector, into an upper computer for data processing; calculating the mileage of the spherical internal detector; constructing a conversion matrix; performing coordinate transformation to the magnetic field; resolving the 3D direction of the pipeline corresponding to a jth data subset; calculating the 3D geographical coordinates of the pipeline, and calibrating the primarily calculated 3D geographical coordinates of the pipeline by utilizing the end 3D geographical coordinates of the pipeline. According to the measurement method, the full-pipeline, short-period, low-cost and convenient measurement on the three-dimensional geographical coordinates of the submarine pipeline through the spherical internal detector can be realized on the premise of having no assisted positioning method (such as GPS and ground marker).
Owner:天津精仪精测科技有限公司

Numerical control lathe capable of recycling cutting fluid

The invention discloses a numerical control lathe capable of recycling cutting fluid. The numerical control lathe comprises a bottom box, a display screen, a processing chamber, a workbench, a first motor, a cutting fluid recycling device, a first camera, a second camera, a third camera and a light, wherein a waste box is arranged at the right end of the bottom box; a connection seat is welded tothe upper end of the bottom box; the cutting fluid is collected by a recycling tank through the filtration of a first filter screen; at the same time, iron filings are pushed into the waste box by a pushing mechanism so that the cutting fluid cannot be wasted and the iron filings cannot be scattered and can be convenient to remove subsequently; the collected cutting fluid is pumped into a liquid collecting tank by a first liquid suction pump through a second filter screen and is pumped by a second liquid suction pump to be conveyed to a hydrojet pipe to spray, so that after recycling, the effect of reusing is achieved; the first camera, the second camera and the third camera monitor processing conditions in a processing chamber in real time; and after being processed by a single chip microcomputer, the processing conditions are displayed on the display screen so that the worker can observe the processing conditions in real time.
Owner:SUZHOU CHANGHENG PRECISION METAL DIE CASTING

Generalized comprehensive radio frequency measurement and control system for spacecraft

The invention discloses a generalized comprehensive radio frequency measurement and control system for a spacecraft, and the system comprises a SAR (synthetic aperture radar), a synthetic radio frequency channel and a synthetic processing terminal. The SAR realizes the integrated conversion between the space electromagnetic wave energy and the energy of the measurement and control system. The synthetic radio frequency channel realizes the conversion between a radio frequency signal and an intermediate frequency signal. The synthetic processing terminal receives the externally inputted telemetry data to form a ground-based telemetry frame, and then sequentially performs coding, modulation and digital-to-analog conversion, and finally transmits the ground-based telemetry frame through the synthetic radio frequency channel and the SAR. The comprehensive radio frequency measurement and control system can integrate the existing functions of telemetry, security control, external measurement,navigation and relay, and integrates independent radio frequency resources and baseband resources to form the generalized comprehensive radio frequency measurement and control system for the spacecraft, thereby greatly reducing the weight, volume and power consumption of the measurement and control system, and improving the system performance.
Owner:CHINA ACAD OF LAUNCH VEHICLE TECH

Rapid configuration system and method for wireless network

The invention relates to a rapid configuration system and method for a wireless network. The system comprises a device already connected to the wireless network, and at least one device not connected to the wireless network and routers. An information encoding algorithm is adopted for encoding information into data packet sequences different in length, and the encoded data packet sequences are repeatedly transmitted to the routers inside the wireless network through a UDP at the interval of 100 ms; the wireless network card of the device not connected to the wireless network is set to be in a monitoring mode, and the device which is in the monitoring mode and is not connected to the wireless network captures all current data packets inside the wireless network, an SSID and a secrete key are obtained through analysis by the adoption of an information restoring algorithm, and therefore the device is smoothly connected to the routers inside the wireless network; the routers receive the data packets of the device already connected to the wireless network and do not need to process the received data packets. The configuration process is simple, configuration is rapid and reliable, configuration time is short, error correction and search algorithms are adopted, and therefore when the network environment is general (the packet loss rate is smaller than 70%), the success rate of configuration can be 100%.
Owner:浙江芯劢微电子股份有限公司

Cloud configuration-based android game multi-channel packaging method and system

Embodiments of the invention disclose a cloud configuration-based android game multi-channel packaging method and system. The method comprises the steps of obtaining a main package uploaded by a developer at a cloud end, wherein the main package is an installation package of a game application developed by the developer, the main package integrates a preset SDK, and the preset SDK is associated with the cloud end; obtaining a channel to be released by the main package through the cloud end, and applying for channel parameters of the channel to the channel, wherein the channel parameters include SDK parameters of the channel; according to the channel parameters of the channel, configuring the main package by the cloud end; and sending the main package to a PC end through the cloud end, thereby enabling the PC end to package and output a formal package according to the main package, wherein the formal package is used to be released on the channel. Compared with the prior art, the methodhas the advantages that the main package can be configured at the cloud end; and the preset SDK is integrated in the main package, so that the problem of code management disorder caused by multi-channel adaptation and channel mutual exclusion in a conventional packaging mode is solved, and quick release and operation of a mobile phone game are realized.
Owner:深圳云步互娱网络科技有限公司
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