99results about How to "Guaranteed seamless connection" patented technology

The invention discloses a method and a system for monitoring and diagnosing large scale equipment remotely. The method comprises the steps as follows: firstly, a PLC (Programmable Logic Controller) analyzes collected running data of the large scale equipment on an engineering site, and transmits the data to an internet by a 3G (the third generation telecommunication) wireless network; secondly, a monitoring center platform builds a safe information channel with the PLC by a VPN (Virtual Private Network) router and a VPN fire bulkhead; thirdly, the monitoring center platform analyzes and processes data passing by the safe information channel, and monitors and diagnoses the large scale equipment; and fourthly, the PLC controls the large scale equipment according to the detection and diagnosis results sent back by the monitoring center platform. The method and the system can enhance the data transmission rate and improves the data transmission safety.

The invention relates to a converting method between multiple protocol buses. The method uses a microprocessor, a DeviceNet, a Profibus and the physical layer part circuit and microprocessor program of a Modbus/TCP network protocol to receive different protocol data, store them in the microprocessor, adopts system protocol converting method to realize the protocol converting between multiple protocols. While the task scheduling method using real time multi-task operation system is adopted in the whole protocol converting process, consequently, the real time interaction and updating control of multiple protocol converting data is realized.

Disclosed is a satellite attitude maneuvering method based on polynomial. The attitude angle, the angular speed and the angular acceleration at the start moment of the satellite attitude can be appointed at will, and meanwhile the attitude angle, the angular speed and the angular acceleration at the end moment of satellite maneuvering can also be appointed at will. The method can ensure that the satellite attitude is guided to a target value at the appointed moment and can also ensure the stability of the whole maneuvering path. Meanwhile, due to the utilization of the smoothing technology at the tail end, smooth transition of the attitude angle, the angular speed and the angular acceleration at the end moment of satellite maneuvering can be ensured, the control error of the satellite attitude at the end moment of satellite maneuvering is small, and consequently the performance is ensured when maneuvering is finished. The satellite attitude maneuvering method based on polynomial is particularly suitable for the state establishment stage of maneuvering tasks such as movement imaging observation and target tracking of an agile satellite, and can easily meet the requirement that maneuvering is stable the moment when in place.

The invention discloses a Zookeeper-based Leader selection method. The method comprises the following steps: 1, one EPHEMERAL directory node is created on each server, each server is numbered by the directory node, and a server with a current minimum number is selected as a Leader; and 2, when the server with the minimum number dies, because of the EPHEMERAL nodes, the node corresponding to the dead server is also deleted, another node with a minimum number reoccurs in a current node list, and the node is selected as a current Leader so that the problem of a single-point fault easily generated by a single Leader is prevented through dynamic selection of the Leader. According to the invention, process reengineering and optimization are carried out on a conventional platform; and the connection relation of system expansion is fully considered, and the employed technology and system structure can ensure future upgrading or seamless connection expansion of a service information system.

The invention provides an upper-span existing line construction safety protection device and a construction method thereof, and relates to the technical field of upper-span existing line construction.The protection device comprises a base assembly, a plurality of groups of protection assemblies and a first fixing piece, wherein the base assemblies are respectively arranged on two sides of an existing line; a plurality of groups of protection assemblies are bridged and arranged on two groups of base assemblies; the first fixing piece is used for fixing two adjacent groups of protection assemblies; a sliding assembly is arranged between the base assembly and each group of protection assemblies; each group of sliding assembly comprises a slide rail arranged on each group of base assembly; aplurality of pulleys are rotationally arranged at the bottom end of each protection assembly and can slide along the slide rail; and an anti-slip block is arranged on the slide rail and is used for fixing the pulleys. When in use, the base assemblies are buried on the two sides of the existing line, the sliding rails are arranged on the base assemblies, the protection assemblies in each group arearranged in sequence, the protection assemblies are hoisted and arranged on the sliding rails by a crane, and the multiple groups of protection assemblies are pushed to be spliced and fixed in sequence. The upper-span existing line construction safety protection device and the construction method thereof have the advantages of convenient disassembly and assembly and labor-saving.

The invention discloses a panoramic real-time simulation method for a power system, which comprises the following steps: respectively constructing a primary system model and a secondary system model of a substation; writing the simulation data of each step into the real-time database after the system model is calculated once. Once the system model has computed and written simulation data of any step size to the real-time database, the secondary system model collects the data from the real-time database; simultaneously, the primary system model transmits the simulation data to the signal converting device, and if the primary system model receives the action information sent by the secondary system model and simultaneously receives the information returned to the primary system model by thesignal converting device, the simulation is carried out according to the topology structure formed at present. The invention coordinates and synchronizes the primary system simulation, the secondary equipment simulation and part of the real secondary equipment, and has the interoperability, thereby forming a complete simulation test system, which can ensure the seamless docking of the simulation platform with the real secondary equipment and the virtual digital protection.

The invention relates to a high-resolution multi-channel seismic exploration data transmission system at shallow layers of deepwater, which comprises a host, a quality control machine, a data exchange board, a primary digital packet, a secondary digital packet, a tail-end digital packet, a corresponding downlink command channel and a corresponding uplink data channel. The transmission system is characterized in that a repeater is arranged between the primary digital packet and the host; each digital packet the distance from which to the host is less than 150m transmits data to the data exchange board through LVDS, and then transmits the data to the host through a CPCI bus; and each digital packet the distance from which to the host is more than 150m transmits data to the repeater to finish data relaying, then transmits the data to the data exchange board through an LRH-PHY5802 bus, and finally transmits the data to the host through the CPCI bus. The data transmission system solves the problems that the transmission system is unstable and unreliable and can not work for long time during the data acquisition, transmission and pretreatment process in case of multiple channels and unequal distance.

The present invention relates to a router (for example, ACR) which provides a mobility function and a delivery function with a portable Internet core network while controlling RAS, which is a base station, as a basis network element of an access network in a portable Internet (for example, WiBro) service, and particularly, provides a new paging algorithm in order to overcome the limit of a paging in a conventional routing scheme, and to effectively process the buffering function for seamless connection maintenance and the paging function for a destination terminal with respect to the terminated call of a terminal in a non-active mode. A router of the present invention includes a control plane that buffers a data packet for a non-active mode, and performs a paging for a corresponding non-active mode terminal.

The invention discloses a multi-turn absolute type double-reading group combined photoelectric shaft angle encoder, and belongs to the technical field of photoelectric measurement. The encoder comprises a main shaft, a primary luminous panel, a primary coded disc, a primary slit, a primary receiver plate, an amplification circuit, a shaping and latch circuit, an analogue-to-digital conversion circuit, a data processing circuit, a secondary main shaft, a secondary luminous panel, a secondary coded disc, a secondary slit and a secondary receiver plate, wherein the front end of the main shaft is connected with the primary luminous panel, the primary coded disc, the primary slit and the primary receiver plate; the front end of the secondary main shaft is connected with the secondary luminous panel, the secondary coded disc, the secondary slit and the secondary receiver plate; the front end of the main shaft is connected with the tail end of the secondary main shaft; the primary and secondary receiver plates are connected with the amplification circuit which is connected with the shaping and latch circuit and the analogue-to-digital conversion circuit; and the shaping and latch circuit and the analogue-to-digital conversion circuit are connected with the data processing circuit. The encoder is compact in structure, small in volume and high in reliability and extensibility; the turn counting accuracy and reliability are improved; and the resolution is improved.

The invention discloses a convolution acceleration calculation system and method based on in-memory calculation, and the method comprises the steps of enabling a convolution kernel and input feature map data to be loaded into an in-memory calculation IP in a storage mode in a serial manner, and enabling a constant parameter convolution kernel in convolution operation and a to-be-processed input feature map to be loaded into a storage device in the storage mode; then switching to an operation mode, completing operand multiplication, partial sum accumulation and operand switching steps by orderly controlling in-memory calculation IP serials, seamlessly connecting all steps of convolution operation according to a period by utilizing a convolution acceleration control structure, and carrying out time sequence scheduling by adopting hardware instead of software, so that the efficiency loss caused by a complex software instruction is avoided, and the efficiency advantage of the in-memory computing IP in the actual large-scale data parallel processing is effectively exerted. According to the invention, the convolution operation is subjected to calculation force acceleration, so that the time overhead of the convolution operation is reduced, and a technical support is provided for the real-time performance of artificial intelligence.

The invention relates to a method for cloning deoxyribonucleic acid (DNA). The method comprises the following steps of: digesting a carrier by using a restriction enzyme at an insertion site of the carrier so as to obtain DNA of a linear carrier; synthesizing a polymerase chain reaction (PCR) amplification primer according to the sequence design of a target DNA fragment and the insertion site of the carrier, and performing PCR amplification to obtain the target DNA fragment; purifying the DNA of the linear carrier and the target DNA fragment, mixing, adding exonuclease III and an exonuclease III reaction buffer solution to form a reaction system, continuing to react, adding ethylene diamine tetraacetic acid to terminate the reaction, reacting, and annealing; taking competent cells of transformed E. coli from the reaction system; coating a transformed bacterial liquid on a plate of an Luria-Bertani (LB) culture medium containing corresponding antibiotics and culturing; and selecting a monoclonal bacterial colony from the culture plate, and extracting a plasmid and identifying to confirm the successful cloning of the target DNA fragment. Independent of restriction enzyme cutting sites and ligase, the quick and efficient cloning of DNA fragments can be realized.

The invention discloses a device for increasing the output power of a microstrip type short-rise-time double-exponential pulse source and relates to the technical field of microwave electronics. The device for increasing the output power of the microstrip type short-rise-time double-exponential pulse source comprises a synchronous trigger circuit, a first pulse source, a second pulse source and a power combiner. The output end of the synchrotrons trigger circuit is connected with the input end of the first pulse source and the input end of the second pulse source. The power combiner is a substrate provided with two signal transmission lines. The two signal transmission lines are two identical microstrip lines which are symmetrically arranged on the substrate. The two microstrip lines share the same input end. The first pulse source and the second pulse source are arranged on the substrate. The output end of the first pulse source and the output end of the second pulse source are connected with the respective input ends of the two microstrip lines. The impedance of the output end shared by the two microstrip lines is matched with that of the corresponding pulse source. Each microstrip line is composed of multiple line branches which are connected with one another in an end-to-end mode from the input end to the output end, wherein the impedances of the line branches become larger successively. An isolation resistor is further arranged between the two microstrip lines. By the adoption of the device for increasing the output power of the microstrip type short-rise-time double-exponential pulse source, high-isolation high-efficiency low-reflection combination of two combined signal lines is achieved.

The invention discloses a medium and short term hydrological forecasting method and system fused with multivariate information, and the method comprises the steps: collecting the related information of a whole watershed, extracting the feature information of the whole watershed, selecting a distributed hydrological model according to the feature information of the whole watershed, selecting an ARW model as an atmospheric numerical model, according to the features of a power frame, predicting an atmospheric motion state and a weather phenomenon in a certain period of time in the future; and embedding the established distributed hydrological model into a land surface model of the atmospheric numerical model, so that the atmospheric numerical model and the distributed hydrological model share the same land surface process mechanism, and constructing bidirectional coupling of the numerical weather forecast and the distributed hydrological model. Through the method for eliminating the initial error of the weather forecast numerical model, the weather forecast precision is improved, the watershed small-scale matching application of the gridding quantitative rainfall estimation model is realized, the seamless connection between the weather forecast model and the hydrological forecast model is ensured, and the hydrological forecast precision is improved.

The invention relates to a petrochemical inspection robot navigation and positioning method based on GPS, 5G and vision. Seamless and accurate positioning of an inspection robot during operation in various complex environments is realized. The technical scheme is as follows: a system is composed of a GPS module, a 5G module, a vision module, a speedometer module, a judgment module, a filter, an environment feature map, a distributed fusion module and a fusion information positioning module. The method comprises steps: establishing a robot error model and a measurement model by using a parallelimplicit equal-weight particle filter positioning algorithm; updating each particle by adjusting two parameters alpha and beta, obtaining and transmitting local state estimation and local covarianceto a corresponding distributed multi-sensor fusion module, adopting the fusion information positioning module to carry out combined state estimation by using the optimal information fusion criterion,and deciding global optimal state estimation. The 5G technology is integrated, multi-sensor data fusion is adopted, the time delay is short, the precision is high, and the application scene of the inspection robot is expanded.

The invention discloses a 2-18GHz large-dynamic detection logarithm video amplifier. The device comprises a radio frequency front end, a logarithm amplifier circuit, and a synthesis circuit; the radiofrequency front end comprises an ultra-broadband micro-band power divider, a broadband low-noise amplifier and a wave detector; the radio frequency front end equally divides the input radio frequencysignal into two paths, one path enters a low-noise amplifier link to be amplified, and performs the detection output, the other path directly enters the wave detector and performs the detection output; the logarithm amplifier circuit outputs and synthesizes two paths of detection video signals output by the radio frequency front end after performing the logarithm amplification on the same; a temperature compensation circuit is used for performing temperature compensation on the zero drift under the logarithm temperature change; the synthesis circuit comprises an addition circuit and an amplification circuit; the addition circuit performs adding and synthesis on the signal after the logarithm amplification and the temperature compensation voltage, and the amplification circuit amplifies the synthesized signal to obtain a final video output signal. The 2-18GHz large-dynamic detection logarithm video amplifier disclosed by the invention has the advantages of being large in radio frequency broadband range, high in sensitivity, and good in working temperature adaptation.

The invention relates to a three-dimensional avionics display and control interface device, and the device comprises a three-dimensional digital earth, wherein a three-dimensional terrain is generated by adopting a modern OpenGL rendering mode, and rotation operation on the digital earth is realized through three different observation view angles; a three-dimensional graphic assembly which is used for providing various three-dimensional graphic types and rendering and displaying the three-dimensional graphic types in the three-dimensional digital earth; a three-dimensional container assembly which is used for inheriting a container base class from VAPS XT, so the three-dimensional container component has the capability of mounting child nodes; and a three-dimensional model assembly which is used for managing a 3ds file through lib3ds, putting a part needing to be drawn into a display list glGenLists in a list display mode, and then pre-compiling the list. Through three-dimensional global camera control, ambient light control and graphic assembly editing control, the three functions are independent on architecture design, three unified logic control modules are formed, and direct low coupling and high cohesion with a three-dimensional graphic component are achieved.

The invention relates to a building material and special production equipment for the building material. The building block has a three-layer structure, and two bricks and an insulation board are in bookbinding connection through the a plurality of drill rods made of a non-heat conducting material. The special production equipment includes an X-directional frame and a Y-directional frame; the X-directional frame and the Y-directional frame are rectangular frames; the Y-directional frame is located on the bottom of the X-directional frame; and the equipment also comprises a conveying device, a clamping device, a drill installation device, a drilling device and a shooting device; and through cooperation of the above devices, the three-layer structure of the building block can be combined together in a bookbinding manner. The non-bearing block has reasonable structure, good bonding and is convenient for construction. The special production equipment has the advanategs of good automation efficiency and simple operation, and can greatly save human labor and reduce the production cost of the building block.

The invention discloses a method for soil relocation and returning, in particular to a method for the relocation and returning of undisturbed soil, belonging to the technical field of agricultural and forestry. The method comprises the following steps of: firstly adopting a drill and a chain saw to carry out non-extrusion/impact-type cutting to the soil to be relocated; subsequently adopting a combined movable-plate-type earthwork special die and a special hydraulic machine to take the earthwork by a certain flow; transporting the die containing the earthwork to the destination; and finally returning the relocated earthwork according to the repeated sequence of the design. By adopting the homing method of moving soleplate, the method realizes seamless butting to the soil, avoids cracking and loosing the earthwork or damaging pores due to internal deformation caused by directly pushing the earthwork, avoids cracking, loosing and fallout of the soil, quickly melts and recovers the adjacent earthworks after homing, ensures the original state of soil and normal growth of plant, is applied to the relocation of agricultural and forestry experimental plots and has excellent generalization and application prospect.

The invention relates to the field of enterprise informatization management, and discloses an accounting method of multiple financial accounting bodies under the same control body. The accounting method comprises the following steps that 1. a data entity (or a data account set) is set with operation bodies acting as objects, and all the business data of the multiple financial accounting bodies are received based on the operation bodies; 2. the financial accounting bodies to which the business data belong are identified based on the data entity (or the data account set) and business operation and data processing are completed; and 3. the business data and financial data meeting the requirements of the operation bodies and different financial accounting bodies are outputted. Compared with methods in the prior art, the data processing logic of the operation bodies and the financial accounting bodies is changed, and business operation, data processing and historical data partition and migration of the multiple financial accounting bodies are performed with the operation bodies acting as the basis so that the problems that conventional enterprise informatization management systems are low in operation efficiency and poor in user examination can be solved, and seamless connection of the user historical data and consistent continuation of user operation habits can be ensured.

The invention provides a bar discharging device. The bar discharging device comprises a moving mechanism and an angle adjusting mechanism. The angle adjusting mechanism can be driven by the moving mechanism to move between a feeding region and a discharging region back and forth. The angle adjusting mechanism comprises a workpiece groove, a rotary plate and an adjusting device. A discharge port isformed in one end of the workpiece groove, a workpiece groove bottom plate is arranged at the bottom of the workpiece groove, one side of the workpiece groove bottom plate is hinged to the rotary plate, a rotary shaft penetrates through the middle of the rotary plate, and the rotary plate drives the workpiece groove to rotate around the rotary shaft. The adjusting device comprises a horizontal rotation adjusting device and a vertical angle adjusting device. The horizontal rotation adjusting device comprises a movable limiting plate arranged in the discharging region and can limit the horizontal rotation angle of the workpiece groove. The vertical angle adjusting device comprises a vertical adjusting bolt simultaneously connected with the workpiece groove bottom plate and the rotary plateand used for adjusting the included angle between the workpiece groove bottom plate and the rotary plate to enable bars to slip out from the discharge port through the gravity of the bars. Multi-angledischarging can be achieved, and the requirements that the discharging positions of the workpieces need to be changed in actual production are met.

The invention discloses an integrated full-automatic thermoforming machine. The integrated full-automatic thermoforming machine comprises a rack, an output structure, a heating structure, a forming punch structure, a main shaft transmission structure, a programmable logic controller (PLC) control system, a sheet feed stopping structure, a rolling structure, a punching structure and a main speed-down motor. The integrated full-automatic thermoforming machine has the advantages that the structure is simple, a sheet passes through a front and rear conveying structure and the rolling structure which synchronously operate, then the sheet passes through a pre-heating plate which controls the temperature, the stopping structure and the forming punch structure, the whole heating forming is completed once, the error of the shrinkage variable in the processing process of the sheet is effectively reduced, the processing speed and efficiency are improved, the processing accuracy is effectively increased, and the applicability is good.

The invention provides a door lock of a washing machine. The door lock comprises a door hook, a base, a lock block, a locking structure and a base cover. The door hook is suitable for being installedon a machine door of the washing machine; the base is installed on the portion, corresponding to the door hook, on a washing machine panel; the lock block is rotatably installed in the base and provided with a combination part cooperatively connected with the door hook, and the lock block is provided with a lock block locking position where the combination part is inserted in the door hook and a lock block reset position where the combination part is not inserted in the door hook; the locking structure is installed in the base and connected with the lock block, when the washing machine works,the lock block is locked at the lock block locking position, and when the washing machine does not work, the lock block is unlocked; the base cover is connected to the base and is in seamless connection with the base, a sealing space is formed in the base, water does not easily enter the base in the working process of the washing machine, and the waterproof performance is good.

The invention provides a frog assembly and a turnout structure. The frog assembly comprises wing rails and a fork heel rail, and the wing rails comprise a first wing rail and a second wing rail; the fork heel rail comprises a first fork heel rail and a second fork heel rail, and one end of the first fork heel rail is inserted into one end of the first wing rail; one end of the second fork heel rail is inserted into one end of the second wing rail; a point rail is included, is arranged between the first wing rail and the second wing rail and is positioned at a joint of the wing rails and the fork heel rail; and the point rail is connected with the wing rails and the fork heel rail through a first connecting part. The invention provides the frog assembly. The wing rails, the point rail and the fork heel rail are arranged to be a detachable structure and the three parts are connected and fastened through the first connecting part. Compared with an integrated alloy steel frog, by using thefrog assembly and the turnout structure of the invention, the performance of the frog is guaranteed, meanwhile, casting machining difficulty of the frog assembly is reduced, manufacturing cost of thefrog assembly is decreased, and in addition, a transportation process of the frog assembly can be more convenient through a detachable structural design.

The invention discloses a method and device for realizing batch cutover of HLR users, and relates to the technical field of mobile communication. The method comprises the following steps: when Home Location Register (HLR) user data is cut over from an original HLR to a target HLR, importing the HLR user data having a cutover identifier and a routing identifier of the original HLR to the target HLR; when business information of a certain HLR user is received, judging whether the HLR user data of the HLR user has been cut over to the target HLR according to the cutover identifier; and when the HLR user data of the HLR user is determined to be not cut over to the target HLR, sending the business information to the original belonging HLR via the routing identifier of the original HLR. By adopting the method and device disclosed by the invention, multi-batch cutover of the HLR user data can be realized, the dependence on an opposite terminal network element of the HLR is little, and the business interruption of users is effectively reduced.

The invention discloses a data acquisition method for master-slave random distributed three-dimensional high-density electrical method exploration, which improves and enhances the measurement effect of a random distributed high-density electrical method system during large-depth exploration in a city through a portable and component-type external power supply module. Through the design of the master and slave measuring points, the density of the measuring points is increased, the resolution and the exploration effect are improved, and only the master measuring point is selected for power supply, so that the acquisition workload is reduced, and the number of external power supplies is also reduced. The measurement method is simple, ordered and efficient, continuous rolling measurement of a complete measurement area can be achieved, and the collection efficiency is high.