64results about How to "Simple and flexible configuration" patented technology

The invention discloses a method for selecting and rapidly comparing robust features of iris images. The method comprises: S1, adopting regional multipole sequencing measurement features to express iris texture; S2, selecting and fusing iris features by taking similarity as guidance; and S3, rapidly comparing iris characteristic templates on the basis of a hierarchical classifier. The method uses a feature-selecting method taking similarity as the guidance to select regional measurement features and construct a combined classifier, and adopts a hierarchical classifier structure to optimize and combine the obtained combined classifier again so as to rapidly compare the iris characteristic templates. The method automatically learns the obtained iris regional sequencing measurement features, and has the advantages of greatly raising the speed of comparing the iris characteristic templates and effectively solving the problem of applying iris recognition to large-scale databases, along with good robustness and high recognition precision. The method can be widely used in a large number of application systems using iris for identity recognition and security protection.

The device includes following parts. The protection switches of 4 multiplexing segments are utilized to change optical fiber line. Two pair of wavelength division multiplexer / wavelength demultiplexer combines multiple optical signals with different wavelengthes onto one optical fiber; or separates the optical signals, which is combined from multiple different wavelengthes. N pieces of matrices with 4 in and 4 out of the optical switches are utilized to change the propagation direction or protect the channel needed. 2n pieces of optical power equalizers are used to balance the power of the optical signals. 2n+2 pieces of monitors are used to monitor and detect faults. The invention provides the flexible protection for channel faults, line faults and node device fault.

The configuration circuit includes circuit of LED indicator light, bypass resistor, alternation switch. The alternation switch includes two pieces of LED drive pins, control pin for setting up í«0í», control pin for setting up í«1í», grounding pin, and pin for setting up voltage. The circuit of LED indicator light is connected to LED drive pins of the alternation switch. Control pin for setting up í«0í» and control pin for setting up í«1í» are connected to same functional multiplexing pin A of a chip. Bypass resistor is connected to circuit of LED indicator light in parallel. If pin A is needed to be configured as í«0í», through the control alternation switch, LED drive pin and control pin for setting up í«0í» are connected to grounding pin. If pin A is needed to be configured as í«0í», through the control alternation switch, LED drive pin and control pin for setting up í«0í» are connected to pin for setting up voltage. The circuit is simple and reliable.

The invention discloses an FPGA-based enhanced serial port and working method thereof. The FPGA (Field Programmable Gate Array) is taken as hardware, and the serial port is constructed in the FPGA by using an HDL language; the Baud rate, check mode, data length and the like of the serial port are conveniently and quickly configured by an external program, and the serial port automatically receives and sends data; the size of a cache for transceiving the data only depends on the scale of the FPGA; and a plurality of serial ports can be generated by multiplexing through simple operation, and the processing time and hardware resource of a main program are not occupied. For the main program, it is similar to operation on an external storage, so the main program is freed from the frequently interruption or query operation, the running efficiency of the main program is improved, the stability of the system is improved and the transplantability and the expandability of software are improved.

The invention relates to method and equipment for disassembling waste ceramic resistors and recovering resources. In the invention, waste ceramic resistors are put into a grinding type crusher from a hopper and a feed regulation valve, wherein the grinding type crusher is internally provided with a plurality of pairs of grinding rolling shafts or rollers for grinding the waste ceramic resistors; a vibration screening machine is arranged below the grinding rolling shafts or the rollers; a vibration screening net is obliquely arranged and supported on a stand by a spring; a vibration motor is arranged below the vibration screening net; after the ceramic resistors are crushed, a mixture of ceramic powder and copper and iron pins is formed, falls on the vibration screening machine and sieved by the vibration screening net; and a steel plate plane ceramic powder collecting layer is arranged below the screening net, and an oblique discharge hole of the screening net is used for collecting the copper and iron pins for recovering metal resources. In the invention, a physical method is adopted to crush without secondary pollution, which protects the environment, saves energy and has good metal resource recovery and utilization effects.

The method comprises: configuring the access control list on the router; configuring the attribute parameters of said router; according to the attribute parameters, configuring the re-directional rule of the port; according to the access control list and said attribute parameters, configuring the dynamical reusable NAT rule.

The invention aims at a multipath power distribution branch circuit with an intelligent breaker and provides a ship power distribution monitoring information acquisition system which is characterized by comprising a main control box and N subcontrol boxes, wherein each subcontrol box is independently connected with the main control box; the main control box comprises a field acquisition and communication module, a data processing module and a network communication module, wherein the field acquisition and communication module in the main control box is directly connected with the intelligent breaker arranged on the required monitored power distribution branch circuit in parallel and is used for collecting data, the input end of the data processing module is connected with the field acquisition and communication module in the main control box and the subcontrol boxes, the data processing module is used for processing all data collected by the main control box and the subcontrol boxes and reporting a result to the network communication module, and the result is transmitted to an upper-layer monitoring network by a two-way CAN bus; and each subcontrol box comprises a field acquisition and communication module and a retransmission unit, wherein the field acquisition and communication module is connected with the intelligent breaker arranged on the required monitored power distribution branch circuit and is used for transmitting the collected data to the main control box from the retransmission unit.

The invention discloses an optic electric interface automatic switching method and a device thereof; wherein, the method comprises: Ethernet optic electric interface automatic switching and detecting task is set up and started, the types of an eutopic optical module are detected periodically; according to the detected types of the eutopic optical module, opto-electrical attribute switch is carried out on a physical interface where the eutopic optical module is positioned. The invention is simple and flexible in configuration and easy to expand and maintain, needs not to increase additional hardware cost, has little increment of software cost, and can improve the capability and number of the optic electric interfaces provided by communication equipment.

The invention discloses a process method for purifying raw coke oven gas from a pulverized coal gasification furnace, which is characterized by adopting a wet dedusting method. The process flow is untreated gases generated by the pulverized coal gasification furnace-devaporizer-pulse bag type dust remover-saturation cooler-gas cabinet-gas pumping station-gas desulfuration-gas users. In order not to pollute the environment, dust separated from the devaporizer and the pulse bag type dust remover is processed by the following process: dust-pneumatic conveyor-storage house-vacuum tank car-dust users. The invention has the advantages of simplifying and purifying system flows, reducing the construction investment and area occupied, improving the purifying efficiency, saving the energy consumption for purification, reducing the purifying cost, preventing the secondary pollution by dust and recycling the dry ash by means of measures such as unsaturated cooling, wet dedusting and wet ash discharging so as to realize the comprehensive effect of using the fly ash.

The invention provides a method and a device for forwarding messages in a VPN (virtual private network). The method includes: saving tunnel forwarding strategies corresponding to different route groups in a same VPN, wherein the route groups are set according to route attributes; generating a route forward table according to the tunnel forward strategies, wherein the route forward table contains the route attributes and corresponding relations of forward paths; searching the route forward table after a customer message sent by a customer edge (CE) is received, and forwarding the customer message via a forward path corresponding to the route attribute of the customer message. According to the technical scheme, different customer messages can be forwarded via different paths, and customer's requirements on networking are met.

The invention relates to the technical field of networks, and particularly relates to a background database configuration based data downloading method and system. The method includes the following steps: designing a configuration table template according to a service demand; filling in the configuration table template according a data model of the background database, and forming a configuration table; configuring a preset downloading task parameter to the configuration table, and forming a corresponding executable task script; and extracting data from the database through the executable task script, and generating a downloading file. The method can generate task scripts such as an SQL, a storage process, and an SHELL, appoint the starting time and the starting frequency, can regularly execute the task scripts to generate target files or tables to be downloaded without configuring a timing task by means of a Crontab, can improve the maintenance efficiency, relieve workload of maintainers, lower risks, is simple and flexible in configuration process, can perform multi-type configuration for different services, and is good in maintainability.

The invention discloses an automatic software updating and pushing method based on a domestic CPU and operating system, belongs to a software updating method of a domestic client side hardware platform, and solves the problems of high failure rate, many problems, frequent updating and no mature automatic updating tool in a domestic hardware platform environment. The technical scheme is as follows:a system structure including a client side and a server side is adopted; the server side is used for publishing an updating strategy and a software updating packet; the client side is used for downloading and updating the software updating packet; the server side integrates a communication service program, a downloading service program, a web service program and a software updating strategy file;the client side integrates a communication service program and a downloading service program; the communication service program of the client side is used for communicating with the server side to obtain information of the software updating packet needing to be updated; furthermore, the software updating packet needing to be updated and the software updating strategy file are downloaded through the downloading service program of the client side; and, after downloading is completed, the client side performs updating installation of the software updating packet.

A self-adaptive Ethernet single-loop network algorithm is operated on a dual-layer interchanger. According to the algorithm, a special BPDU (Bridge Protocol Data Unit) report is designed, and a linkup message in the BPDU report performs forwarding and comparing in a loop network to determine two ports of a root interchanger and the loop network. When the interchanger is started or is connected with the port, the linkup message is sent to judge the looped end port and the root interchanger; the own linkup message is received, and two looped ports are calculated; whether the interchanger is the root interchanger or not is judged, if yes, the root interchanger sends a finishing message and a notification message, and if not, the notification message is sent. The message is forwarded after the notification message is received, and the linkup message is sent to determine the own loop network port; the connected port is set to be in the forwarding state after the finishing message is received, a mac (media access control) address table is emptied, and the message is forwarded. The interchanger regularly scans the continuous change, a linkdown message is sent if a looped port is offline, the message is processed according to the interchanger and a responding message is sent.

Disclosed are a tubular traction pressurization connecting rod control device and an outer-bone fixing device. The device is composed of a traction pressurization connecting rod, steel needle fixing clamps and steel needles. The traction pressurization connecting rod is composed of a full-thread connecting rod body, at least one sleeve pipe and nuts, wherein the full-thread connecting rod body is sleeved with the at least one sleeve pipe and the nuts are fixed at the positions, at the two ends of the sleeve pipe, of the full-thread connecting rod body. The steel needle fixing clamps are connected to the traction pressurization connecting rod, and the steel needle fixing clamps are composed of steel needle pressing pads, screwed hole gaskets, bases, screws, upper nuts and lower nuts. The screws sequentially penetrate through holes in the centers of the steel needle pressing pads, holes in the centers of the screwed hole gaskets and holes in the centers of the bases, the upper nuts are located on the steel needle pressing pads and connected with the screws through threads, and the lower nuts are located under the bases and connected with the screws through threads. The tubular traction pressurization connecting rod control device and the outer-bone fixing device are flexible to combine and convenient to operate, have the functions of static fixation, mechanical traction and pressurization, have very good fixing, anti-shearing and anti-rotating capacities, are applicable to spiral fractures, oblique fractures and intertrochanteric unstable fractures of shinbones and thighbones, and are especially applicable to outer fixation of comminuted fracture.

The invention relates to a novel eddy-current sensor probe which comprises a metal cylindrical conductor and a saddle-shaped probe. The saddle-shaped probe comprises a square shell, a signal line and excitation coils. Two base chucks are disposed on two sides of the bottom of the shell respectively. A detecting coil is disposed on the upper portion of each base chuck. Two detecting coils which are in series connection are disposed between the detecting coils on the upper portions of the base chucks. Two excitation coils are disposed on the upper portions of the detecting coils. The signal line is disposed between the two excitation coils. The novel eddy-current sensor probe is advanced in circuit design and manufacturing process, reliable in performance and stable in operation, and can detect broken strands of non-ferromagnetic aluminum stranded conductors well.

The invention discloses a modularized power distribution system. The modularized power distribution system comprises a standard cabinet and a machine-frame-type power distribution unit. The machine-frame-type power distribution unit comprises a double-power-supply automatic switching module, a mains supply input control module connected with the double-power-supply automatic switching module, a mains supply distribution module connected with the mains supply input control module, a system bypass module connected with the mains supply distribution module, a UPS output distribution module, a power supply information displaying module and a three-phase anti-lightning module connected between the double-power-supply automatic switching module and the mains supply input control module, wherein the UPS output distribution module and the power supply information displaying module are connected with the system bypass module. The modularization design concept is integrated into the design of the power distribution system, a series of standard modules are adopted, configuration is simple and flexible, flexible assembling can be achieved, the modularized power distribution system can be customized according to requirements of users, fast installing can be achieved, product power supply stability is improved, and high practicability is achieved.

The invention discloses a parameter configuration method for performing rapid product design based on Pro / E. Parameters serve as an independent file to exist and are isolated from a user interface and a secondary development program; when product design is performed, whether products belongs to new products or not and whether the parameters need to be adjusted or not are firstly judged, and if not, the parameter file is directly read by a design system to perform product design; if yes, the parameter file is directly modified, and then the parameter file is read by the design system to perform product design. The method has the advantages of being simple in principle, easy and convenient to operate, wide in application range and the like.

The invention provides a route introduction method, a device and a system, and belongs to the technical field of networks. After first network equipment introduces the routing information of the first VPN instance in the second network equipment from the first VPN instance to a second VPN instance in the first network equipment, the routing information of the first VPN instance is introduced from the second VPN instance to a third VPN instance in the first network equipment. The routing information of the first VPN instance is not introduced into the second VPN instance and the third VPN instance from the first VPN instance, so that the mutual access of a large number of VPN instances between the first network equipment and the second network equipment can be realized without configuring a large number of paired ERT and IRT in the first network equipment and the second network equipment, and the service logic and configuration can be simplified; according to the invention, service security can be guaranteed, loops and fault diffusion are avoided, and normal communication of virtual machines mounted under different network equipment can be realized.

The invention discloses an automatic method and system for realizing database SQL optimization execution based on artificial intelligence, belongs to the technical field of operation and maintenance monitoring, and aims to solve the technical problems that an existing technical method in the prior art cannot achieve expected optimization efficiency and the SQL execution efficiency after optimization of the existing technical method does not achieve a better effect, meanwhile, causes a waste of resources is caused. The method comprises the steps of optimizing a database table structure and an executed SQL statement according to different database types and rules through artificial intelligence; the method specifically comprises the following steps: S1, completing SQL statement optimization training through an artificial intelligence machine learning algorithm to obtain SQL statements with perfect performance; S2, recording the optimized SQL statements, feeding back a report regularly, comparing a source SQL statement and a final optimized SQL statement, and giving an optimization analysis result at the same time.

The invention provides a system of program list synchronization of a centralized management platform and a client. The system includes the centralized management platform and the client. The centralized management platform and the client are connected through an AMQ message bus for data interaction. The centralized management platform issues a latest program list version according to program listcontents, which are sent by the client, to give the same to the client to keep management and control of the client on programs consistent with configurations of the centralized management platform, and the client is installed on a protected operating system, and reports a program list to the centralized management platform. The invention also provides a method of program list synchronization of the centralized management platform and the client. The method is used for when the client normally runs or recovers from an abnormal state to a normal state, synchronizing the list in time, and ensuring normal running of a client program management and control strategy.

The invention relates to an eddy current sensor apparatus, which comprises a metal cylinder conductor and saddle-shaped probes, wherein the saddle-shaped probe comprises a housing, a signal line and an excitation coil, the housing is square, both sides on the bottom portion of the housing are respectively provided with two base chucks, the upper portions of the two base chucks are respectively provided with a detection coil, two detection coils integrally connected in series are arranged between the two detection coils, the upper portions of the detection coils are provided with the two excitation coils, and the signal line is arranged between the two excitation coils. According to the present invention, the circuit design and manufacturing process is advanced, the performance is reliable,the work is stable, and the eddy current sensor apparatus can well detect the strand breakage of the non-ferromagnetic aluminum stranded line.

The invention provides a data transmission device and method based on SRIO, and the device comprises a packet analysis module which is used for analyzing a packet received by an xilinx SRIO IP core, separating packet header information and packet data information, and respectively transmitting the packet header information and the packet data information to a command queue and a data queue; an information extraction module used for acquiring packet header information of a packet in the command queue, extracting an SRIO address, the size of the packet and the type of the packet, and initiatingan SRIO address matching request; an ATMU module used for putting DDR cache resources obtained by applying to the processor into a resource queue, comparing an SRIO address in the packet header information with an SRIO destination address, and sending effective DDR resources obtained by the packet to a DMA queue; and a DMA module used for reading DMA descriptors in a DMA queue, reading the data from the DDR resources for the NRead packets, carrying the data to the data queue, and reading the data from the data queue and carrying the data to the DDR resources for the NWrite. Based on the scheme, data transmission in a multi-user multi-window mode can be supported, and the data transmission efficiency is improved.

The present invention relates to a novel magnetic flux leakage sensor probe, which comprises a housing, a probe and a magnetic circuit structure, wherein the magnetic circuit structure comprises permanent magnets and is cylindrical, the inner side of the magnetic circuit structure is provided with a cylindrical plastic inner pad, the outer side of the magnetic circuit structure is provided with a cylindrical protection layer, the middle position on the inner side of the protection layer is provided with a circuit board snapping position, a circuit board is fixed on the circuit board snapping position, a data wire snapping slot interface is arranged on the circuit board, and the probe is connected to the data wire snapping slot interface through the data wire. According to the present invention, the novel magnetic flux leakage sensor probe has characteristics of reasonable structure design, advanced process, reliable performance and stable working, and can detect the ferromagnetic steel core strand breakage situation inside the aluminum stranded wire in a high-quality manner during the transmission line detection.

The invention discloses a crushing and sorting process of a scrapped car body. The crushing and sorting process comprises the following steps of (1) gradually crushing the scrapped car body into preliminary dimensions in a two-stage crushing mode; (2) respectively separating and recycling light substances, magnetic metals, non-ferrous metals, micro powder substances, glass, rubber and plastic in sequence after the car body is crushed by adopting a negative pressure-cyclone separation process, a magnetic sorting process, an eddy current sorting process and a roller screening process. Accordingto the crushing and sorting process, the scrapped car body is crushed and sorted in a two-stage crushing and multi-sorting mode. The requirement of disassembling operation of an enterprise for disassembling the scrapped car body is fully satisfied, and the crushing and sorting process is an initiative technological process in the domestic existing same disassembling industry.

The present invention discloses a circuit-implemented method and apparatus for assisting CPU startup through an EPLD. The apparatus comprises: a CPU, wherein a hardware configuration word is read through a data bus or a specific pin after the CPU is powered on, and according to the hardware configuration word, a CPU operating mode such as a size end mode, starting from which memory, starting of anbase address, and the like is determined; a programmable logic chip EPLD, wherein the programmable logic chip EPLD is used to configure the CPU hardware configuration word, decode the address throughthe extended address bus, the data bus, the chip selection, the read and write signals, and the like, and assist the CPU to extend the LOCAL BUS; and an internal IP Core generated on-chip ROM, wherein the internal IP Core generated on-chip ROM is configured to store other important parameters related to CPU startup, and the ROM can be accessed by the CPU through an EPLD internal decoding circuit.The present invention further discloses a method and an apparatus for assisting CPU startup through the EPLD. The technical scheme of the present invention can effectively shield the underlying hardware startup details, has better compatibility, can simplify the single-board BOM, and can save the cost.

A heat transfer station monitoring recording device based on an accumulator read-in module (ARM) comprises an ARM11, a video camera, a touch screen colorful liquid crystal display, an upper computer and a single chip microcomputer system. The ARM11 collects images in the heat transfer station running process through the video camera, utilizes the colorful liquid crystal display to display the images, stores the images into a secure digital (SD) card, and is connected with the upper computer through a general package radio service (GPRS) module or an Ethernet port with the upper computer. The single chip microcomputer system is connected with an ARM11 port to transfer water supply temperature, water discharge temperature, valve openness and the like in the running process of a heat transfer station device. The heat transfer station monitoring recording device improves safety running efficiency of the heat transfer station, and is compact in integral structure, less in material consumption, long in service life, low in cost, stable and reliable in performance, convenient to maintain and suitable for being used by heating construction departments.