105results about How to "Improve efficiency and reliability" patented technology

Switching-mode power conversion system and method thereof. The system includes a primary winding configured to receive an input voltage, and a secondary winding coupled to the primary winding and configured to, with one or more first components, generate, at an output terminal, an output voltage and an output current. Additionally, the system includes an auxiliary winding coupled to the secondary winding and configured to, with one or more second components, generate, at a first terminal, a detected voltage. Moreover, the system includes an error amplifier configured to receive the detected voltage and a first reference voltage and generate an amplified voltage based on at least information associated with a difference between the detected voltage and the first reference voltage. Also, the system includes a compensation component configured to receive the amplified voltage and generate a second reference voltage based on at least information associated with the amplified voltage.

A method for enabling more widespread use of distributed generation, thereby improving the efficiency and reliability of the power grid and infusing energy conservation opportunities into the rental residential sector. The method may include steps of purchasing energy from an electrical energy provider at a first rate, delivering the purchased energy to separate dwelling units in a residential facility, and generating a first stream of arbitrage revenue by charging the responsible ratepayers for the delivered energy at a second rate generally higher than the first rate. A least a portion of the first stream of arbitrage revenue is used to provide a generator system including a generator and a transfer switch. The generator is operably connected to the residential facility and the power grid through the transfer switch so that the generator is selectively switchable among a first mode wherein the generator is uncoupled from the residential facility and the power grid, a second mode wherein the generator is coupled to the residential facility and is not coupled to the power grid, and a third mode wherein the generator is coupled to the power grid and the residential facility.

The invention discloses a layout and schematic diagram consistency comparison method for multi-voltage chip design, which comprises the steps of: amending a script file of a layout netlist and executing the script file to amend the layout netlist. The procedure of amending the script file comprises the steps of: finding the power supply port titles and subject power supply domains of functional modules of a chip; respectively adding modules corresponding to the power supply port titles and power supply ports of standard units in the layout netlist; adding the power supply connecting line titles in the layout netlist according to the subject power supply domains of the functional modules; and adding the power supply connecting line titles of all functional modules in the top layer of the layout netlist. The method of the invention has the advantages of improving the check efficiency and reliability, reducing the check risk and saving the design cost.

The invention discloses a device and a method for remotely updating network element software. A remote service terminal of the remote updating device comprises: a software storage unit used for storing software of different editions; a data storage unit used for storing network element information and software edition information; a data service unit used for interacting information with a software edition management unit and an updater and updating and inquiring the information of the software storage unit and the data storage unit; and an update execution unit used for connecting the network element, interacting information with the updater, determining the prior software edition information, routing number and traffic of the network element and sending a downloading instruction, software information and an updating instruction to the network element. A local client of the remote updating device comprises: a software edition management unit used for uploading and downloading the software, and updating and inquiring the information stored in the data storage unit; and an updater used for finishing the update of the network element software. The device and the method for remotely updating the network element software of the invention avoid the network contention generated in the update of the whole network and effectively realize the update of the network element software.

The embodiment of the invention discloses a method and device for sending or receiving a physical uplink control channel PUCCH. The method comprises the following steps: a terminal device receives a physical downlink control channel PDCCH from a network device, the PDCCH is used for indicating that the terminal device to send the PUCCH, indicating the time frequency resources used by the terminaldevice for sending the PUCCH and subcarrier intervals; and the terminal device sends the PUCCH to the network device on the time frequency resources according to the subcarrier intervals. According tothe method for sending the PUCCH in the embodiment of the invention, the terminal device determines the transmission of the PUCCH according to the PDCCH sent by the network device, and determines thetime frequency resources and the subcarrier intervals used for sending the PDCCH according to the PDCCH, thus solving the problem of how to send the PUCCH in a communication system with multiple subcarrier intervals.

The invention discloses a substation simulation platform and method based on VR. A substation simulation maintenance module, a robot control module, a VR device, a projector, a camera, a real-time learning module, an enhanced training module and an assessment management module are all connected with a core processing module. A substation power equipment intelligent inspection system is based on high-precision modeling of a substation, and data collected by the camera and a robot are utilized to achieve real-time monitoring and remote operation of field devices. The staff is allowed to walk inthe substation in person only through wearing VR virtual helmets, based on the inspection flow, the substation operation status can be viewed in real time, so the enthusiasm of the inspection personnel is improved, the personal injury caused by irregular operation in the inspection process is effectively prevented, moreover, a training and learning mechanism, an enhanced training mechanism and anassessment management mechanism are further included, training, study, operation and assessment management are integrated, and inspection efficiency and reliability are greatly improved.

The invention relates to a multifunctional electric energy information concentrator comprising a data processing module and a communication MCU (Microprogrammed Control Unit) module, wherein the communication MCU module comprises an uplink communication MCU module and a downlink communication MCU module, wherein uplink communication MCU module and the downlink communication MCU module are respectively communicated with the data processing module; the uplink communication MCU module is connected with an Ethernet communication module and a common wireless network module so as to form an uplink communication channel for transmitting information from other equipment to the electric energy information concentrator; and the downlink communication MCU module is connected with a wideband carrier module, a high-speed narrowband carrier module, a 2.4 G wireless module and a 470 M wireless module so as to form a downlink communication channel for sending the information from the electric energy information concentrator to the other equipment. A working method of the electric energy information concentrator is characterized in that a collection net of an electric energy gauging table is formed by interconnecting a plurality of the electric energy information concentrators; and each electric energy information concentrator acquires the electric quantity information of the corresponding electric energy gauging table through an AC acquisition module and respectively communicates through the uplink communication MCU module and the downlink communication MCU module.

The invention discloses an automatic testing method and an automatic testing device for a variable pitch backup power supply of a wind generation set. The automatic testing device comprises a test requesting module, a safety determining module, an automatic testing module and a test result analyzing module, wherein the test requesting module is used for carrying out comparison between the system time and the data of each set and sending the request of some set needing test when the test is necessary; the safety determining module is used for acquiring data relative to the running safety of the set according to the test request, determining whether the set is in a safety state, if so, sending an automatic testing command, if not, refusing to send the automatic testing command, repeatedly sending the test request after a certain period, and repeating to the safety determining process; the automatic testing module is used for automatically testing after receiving the automatic testing command; and the test result analyzing module is used for carrying out the comparison between the data obtained in the automatic test and the normal value, and determining whether the variable pitch backup power supply is in a normal state. By adopting the method and the device, the automatic test of the variable pitch backup power supplies of the whole wind generation sets in a wind power plant can be realized, the efficiency and the reliability of the variable pitch backup power supplies in test can be improved, and the potential risks of the sets in running can be reduced.

The invention provides a data monitoring method which comprises the following steps: receiving a monitoring request sent from a client by a monitoring service terminal, and acquiring external data according to the monitoring request; storing the external data into a shared memory; processing the external data in the shared memory by the monitoring service terminal according to the monitoring request, and generating the monitoring result data after processing; and sending the monitoring result data to the client by the monitoring service terminal. Correspondingly, the invention also provides a data monitoring system and the monitoring service terminal. The technical scheme of the invention can be implemented to solve the problems that reading and writing of the monitoring data are incomplete, the data acquired by monitoring are not timely and the like, thereby improving the efficiency and the reliability of data monitoring.

Provided are a light emitting device, a light emitting device package, and a lighting system. The light emitting device includes a light emitting structure including a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer between the first conductive type semiconductor layer and the second conductive type semiconductor layer and a light extraction pattern in which a period (a) exceeds λ/n (where, λ is a wavelength of light emitted from the active layer, and n is a refractive index of the light emitting structure) on the light emitting structure. The period (a) may be in the range of 5×(λ/n) (a (15×(λ/n). An etching depth (h) of the light extraction pattern may be equal to or greater than λ/n.

The invention discloses a method and a system for establishing routing in a CFDA (Cellular Fixed-wireless Digital Access) ad hoc network. The method comprises the steps as follows: a concentrator sends a routing establishing beacon; a collector transmits the routing establishing beacon; and the collector records the information of the field intensity at the periphery and gives a feedback to the concentrator. On the basis of the CFDA ad hoc network technology, the seamless, real-time and reliable solving scheme with high speed and low cost can be provided for a user to realize real-time and accurate data acquisition, monitoring and controlling, and the efficiency and the reliability of the routing establishment are improved.

The invention discloses a monitoring system for crack growth conditions of a pressure vessel containing vertical internal crack defects, which belongs to the technical field of safety analysis of pressure vessels. The monitoring system comprises a sensor unit and an arithmetic unit. The sensor unit is connected with the arithmetic unit and sends monitored information to the arithmetic unit. The arithmetic unit comprises a strain value calculation module, which is connected with the sensor unit, acquires the data of the outer surface of the container detected by the sensor unit and calculates a corresponding strain value according to the data; a depth calculation module, which is connected with the strain value calculation module, acquires the strain value and calculates the depth of an internal crack of the container according to the strain value; a stress intensity factor calculation module, which is connected with the depth calculation module, acquires the value of the crack depth and calculates the value of a stress intensity factor at the tip of the crack according to the value of the crack depth; and a determination module, which is connected with the stress intensity factor calculation module, acquires the value of the stress intensity factor at the tip of the crack and compares the value with a fracture toughness value of a material from which the pressure vessel is made; wherein comparison results output by the determination module characterize the state of the crack and indicate whether the pressure vessel should be on service. According to the invention, the growth state of the crack is obtained through rational detection and calculation; and the safe service situation of the pressure vessel is determined, and high reliability is obtained.

A build up edge monitoring method is provided for performing online real-time detection and suppression of abnormal build up edges of cutters occurred in a CNC manufacturing process. Signal variation analysis and fast Fourier transform are used for analyzing signals and establishing an algorithm of diagnosing build up edges to improve the efficiency and reliability of the cutting abnormality diagnostics. A vibration acceleration signal is captured and filtered to a frequency exceeding 1.1 times of a blade passing frequency, and an occurrence of accumulated chips is determined according to a sudden increase of the vibration acceleration and whether the main vibration frequency of the current vibration signal determined by a fast Fourier transform analysis matches with the frequency of the build up edge characteristic, and a shutdown instruction is issued to a CNC controller to shut down a cutting machine.

The invention provides a database service processing method and a business system. According to the embodiment of the invention, the database service processing method comprises the following steps: acquiring an service identifier through the business system, wherein the service identifier is used for marking a multi-database operation involved in the business to be processed; performing operation on at least two databases involved in the business by utilizing the service identifier and execution result data of the business, so that a business system can output an service result according to the service identifier and the operation result of each of the at least two databases. A plurality of databases rather than one database can be operated in an executing process of the business, so that the problem that the services which can be completed by the system are limited because the capacity of one database is limited in the prior art can be avoided; therefore, the efficiency and the reliability of the system are improved.

The invention discloses a wire icing thickness measuring image processing system comprising a data inputting-recording module, an image pretreatment module, an image feature matching module, an image triangulation measurement and calculation module, an image wire detection and identification module, and an image output module. To be specific, the data inputting-recording module is used for inputting and recording a binocular vision image of an unmanned aerial vehicle as well as POS and attitude information data, corresponding to binocular vision image shooting of the unmanned aerial vehicle, of the unmanned aerial vehicle. The image pretreatment module is used for carrying out Gaussian filter processing on the binocular vision image, inputted and recorded by the data inputting-recording module, of the unmanned aerial vehicle. The image feature matching module is used for determining a characteristic point and a characteristic point main direction to generate an SIFT characteristic vector. The image triangulation measurement and calculation module is used for establishing a geodetic coordinate of the image and calculating the wire icing thickness. The image wire detection and identification module is used for carrying out wire screening to detect a transmission line wire and determining whether icing occurs at the transmission line wire. The image output module is used for outputting image processing results from the image wire detection and identification module and the image triangulation measurement and calculation module. Therefore, the detection and identification efficiency of the icing wire can be improved; and the icing disaster detection technique of the aerial image by the unmanned aerial vehicle can be popularized.

A method and a device for transmitting service data, and electronic equipment provided by embodiments of the invention belong to the field of computers. The method provided by the invention comprisesthe following steps of: sending a first request message to a load balancer; sending a second request message to the load balancer after receiving a first response message sent by the load balancer sothat the load balancer determines a target server conforming to the scheduling rule according to a preset scheduling rule; then receiving the data sent by the load balancer, wherein the data includesthe intranet address of the target server; and performing service data transmission with the target server according to the intranet address. According to the method for transmitting service data provided by the invention, clients in the same intranet environment may directly establish a data connection with the server according to the intranet address of the server, sent by the load balancer, andthere is no need to transit through the load balancer when the service data is transmitted between the server and the clients after the data connection is established, thereby improving the reliability and efficiency of communications.

The invention discloses a shield cutter rotary drive pressure adapting hydraulic control system of a proportional valve controlled energy accumulator. The system comprises a main hydraulic loop and a pressure adapting loop, wherein the main hydraulic loop consists of a motor, a constant power variable pump, a cartridge valve, a control cover plate, a proportional overflow valve, a one-way valve, an electro-hydraulic reversing valve, a proportional reversing valve, an energy accumulator, a quantitative motor and a speed reducer. The system judges the load characteristic when a cutter cuts a rock mass by detecting the system pressure through a pressure sensor, adjusts the proportional reversing valve according to the preset fuzzy adaptive PID control strategy and the change of a pressure signal, reasonably controls the opening direction, size and duration of the energy accumulator to absorb the load impact under different working conditions, and stores the impact energy reutilized for driving the cutter so as to effectively control the influences of system cavity enlargement and rigidity reduction because the energy accumulator is connected. By adopting the proportional valve controlled energy accumulator, the system can adapt the load impact caused by the complex stratum better, and has better energy conservation and reliability.

The invention discloses an IMA system dynamic reconfiguration policy multi-characteristic analysis method. The method comprises the following steps of based on an IMA system dynamic reconfiguration policy model, adding corresponding attributes of performing reliability and timeliness analysis to form an IMA system dynamic reconfiguration policy multi-characteristic analysis AADL model; performingreliability analysis, timeliness analysis, interactive complexity analysis and time-space coupling characteristic analysis on the IMA system dynamic reconfiguration policy multi-characteristic analysis AADL model; and integrating reliability, timeliness, interactive complexity and time-space coupling characteristic analysis results, and evaluating a dynamic reconfiguration policy of an IMA system.By performing comprehensive screening on the reliability, timeliness, interactive complexity and time-space coupling characteristic analysis of the IMA system, a reconfiguration scheme meeting a multi-characteristic optimization requirement is obtained.

The invention provides a blockchain access authorization method and a node. The method comprises the following steps: obtaining attribute information of an access node by utilizing a consensus accounting node, and then generating an attribute key according to the attribute information; enabling the access node requesting to access to also generate the same attribute key according to the attributeinformation of the access node, and therefore decrypting the transaction information encrypted by the consensus accounting node by using the attribute key generated by the consensus accounting node, so the security problem that a data owner shares transaction information in a limited manner can be effectively solved. According to the invention, the data provider is used as the provider of the CA certificate, and also serves as an authorization main body to design a ciphertext strategy; in other words, the attribute encryption is performed by providing an attribute strategy based on the ciphertext strategy, and an information access user applies for an access right through a blockchain network; the method gets rid of the dependence bottleneck on an authentication center CA, and the reliability and efficiency of privacy protection of transaction data are improved.

The invention discloses a data processing method of a wireless sensor network, a readable storage medium and a terminal. The method comprises the following steps: a sensor node collects environment data and uploads to a corresponding aggregation node; the aggregation node receives the environment data sent by the sensor node in the corresponding data collection period, and sends the received environment data to an edge node and pre-processing the same; the edge node receives the environment data sent by the aggregation node and analyzes the same to determine whether the corresponding emergencyevent occurs. Through the scheme disclosed by the invention, the data processing efficiency and reliability in an emergency scene can be improved, and the resource is saved.

The invention discloses a seabed cable laying winch which comprises a reel on which an optical cable is wound in a stacked manner, a conveying mechanism and a releasing mechanism. The reel is arranged on a frame. The conveying mechanism comprises a support capable of moving transversely and a conveying belt capable of ascending and descending relative to the support. The optical cable conveyed to a guide wheel through the reel penetrates out from the part between the guide wheel and the face of the conveying belt. The seabed cable laying winch begins to conduct cable laying along with an underwater vehicle, in the cable laying process, the conveying mechanism of the seabed cable laying winch can move transversely on the frame, and therefore it is ensured that the optical cable is conveyed on the guide wheel all the time, and the conveying direction is perpendicularly downward all the time. When the optical cable is released from the reel, the conveying belt in the conveying mechanism can ascend and descend along the frame, it is ensured that the conveying belt can make contact with the guide wheel and can disengage from the guide wheel, finally, the optical cable and an optical cable plug of the optical cable are completely released from the reel, and therefore direct cable laying on the seabed is achieved; and due to the conveying mechanism, initiative conveying of the optical cable is achieved, and compared with a traditional underwater vehicle cable laying manner, the seabed cable laying efficiency and reliability are improved.

The organic electroluminescence element includes a functional layer which is interposed between the first electrode and the second electrode and includes a light-emitting layer. The second electrode includes at least an electrically conductive polymer layer which is in contact with the functional layer and has a light transmissive property. The organic electroluminescence element includes: a substrate; a sealing substrate with a light transmissive property; a transparent protection layer covering an element part including a stack of the first electrode, the functional layer and the second electrode; and a resin layer which is interposed between the transparent protection layer and the sealing substrate and has a light transmissive property.

The invention discloses a wireless sensor network system. The system comprises a system sensor node, an aggregation node and an edge node, wherein the system sensor node collects environment data anduploads the environment data to the corresponding aggregation node; the aggregation node receives the environment data sent by the sensor node in a corresponding data collection period, pre-processesthe received environment data and then sends the preprocessed environment data to the edge node; and the edge node receives the environment data sent by the aggregation node and analyzes the environment data to determine whether a corresponding emergency event occurs or not. According to the scheme, the efficiency and reliability of data processing in an emergency scene can be improved, and resources are saved.

The invention relates to an isolated type high-speed double-power-supply switching device. The isolated type high-speed double-power-supply switching device comprises a first transformer, a second transformer, a third transformer, a fourth transformer, a first switching circuit, a second switching circuit and a control device; a primary winding of the first transformer is connected to a working power supply, and a second winding thereof is connected to a primary winding of the second transformer through the first switching circuit; a primary winding of the third transformer is connected to a reserve power supply, and a second winding thereof is connected with a primary winding of the fourth transformer through the second switching circuit; and the control device is respectively connected to the first switching circuit and the second switching circuit. As the two paths of the input power supplies are switched rapidly through the switching circuits, demands of industrial production on switching time are satisfied; and as the transformers completely isolate the two paths of the input power supplies, the problem of mutual interference of the power supplies is overcome. The isolated type high-speed double-power-supply switching device efficiently increases switching efficiency and reliability of the double power supplies, is suitable for long-term work and has a significant value in the industrial production field.

The invention discloses a boundary searching method of a last circuit breaker. From the point of view of a mathematical set, the operating condition of a current converter serves as a big set, the big set is decomposed into six small sets, the expression of each small set is firstly written out, and then the expressions of the small sets are combined to obtain the expression of the operating condition. The operating condition and a non-operating condition are clearly and simply divided according to whether the expression of the operating condition is met. If a certain condition meets the expression of the operating condition, but the expression of the operating condition is not met any longer after an originally closed circuit breaker is separated, the current condition is judged to be a critical condition, and the current circuit breaker is the last circuit breaker. The above process can be automatically completed by a set of program, and manual intervention is not needed, so that the efficiency and reliability for searching the last circuit breaker are improved.

The invention provides a semiconductor device, and belongs to the technical field of semiconductors. The semiconductor device solves the problem that the phenomena of electric conduction and electric leakage exist among epitaxial layers of an existing semiconductor chip. The semiconductor device comprises a substrate, wherein an n-type semiconductor with an n-type electrode and a p-type semiconductor chip containing a p-type semiconductor with p-type electrodes are arranged on the substrate. The semiconductor device is characterized in that the an insulating layer is formed in a juncture of the epitaxial layers of the semiconductor chip or of the lateral faces between the two or more than two adjacent light-emitting fields of the semiconductor chip. The phenomena of electric conduction and electric leakage among the epitaxial layers are avoided through the insulating layer, and further the efficiency and reliability of the semiconductor device are improved.

The invention discloses a single-phase alternating current permanent magnet linear disk type oscillating motor. The single-phase alternating current permanent magnet linear disk type oscillating motor comprises a motor base, a linear bearing, a stator iron core, a stator winding, a rotor iron yoke, a rotor permanent magnet, a linear guide rail, a limited block, a spring and a zero air gap guarantee point and is characterized in that: the stator has a disk type structure; the stator winding is embedded in a parallel toothed groove on the inner surface of the stator iron core and adopts concentrated winding arrangement; a rotor moves up and down along the linear guide rail through the linear bearing; the limited block controls the rotor only to do linear motion; N and S alternatively arranged permanent magnet is adhered to the inner surface of the rotor iron yoke; an N pole armature field and an S pole armature field which are formed by the permanent magnet and the stator winding correspond to each other; and the spring is positioned between the linear bearing and the stator motor base. The single-phase alternating current permanent magnet linear disk type oscillating motor is efficient and energy-saving, has a simple structure and no noise, is convenient to process and maintain, and is suitable for the fields of reciprocating short stroke linear motion, such as compressors, vibrating screens, pumps, family health-care massagers and the like.

The invention provides a test method, device and equipment and a computer readable storage medium. The method comprises the steps that user login information corresponding to a node to be tested is acquired from a preset configuration file; based on the user login information corresponding to each to-be-tested node, initiating a login request to a server, and enabling the to-be-tested node corresponding to the user login information to be in a user login state; and acquiring a circulation relationship among the nodes to be tested and the test case scripts at the nodes to be tested, and sequentially executing the test case scripts corresponding to the nodes to be tested according to the circulation relationship. According to the invention, the test efficiency and reliability can be greatly improved.

The present invention relates to pressure wave generator and pressure wave producing method. The pressure wave generator includes one casing with lug and binding post; one support spring installed onthe lug, one moving coil skeleton with wound copper wire, one metal membrane box and one cylinder with one central passage connected to outer use part connected successively; magnetic conductor A andone permanent magnet installed successively on the upper part of the casing cavity, and one magnetic conductor sleeve B with edge pressing the permanent magnet and inserted into the slot of the moving coil skeleton. Under the action of alternate current, electromagnetic driving mechanism pushes the metal membrane box to reciprocate and the gas pressure inside the membrane box becomes high and lowperiodically, so that pressure wave is output outwards.

The invention provides a full-automatic machine for folding and packaging of facial masks. The machine is characterized in that folding of a B-type manner is adopted by the machine; stepping line-body linear motion is adopted; horizontal-type reverse folding is applied; a plastic film is folded inside; and all the folding courses can be completed on facial mask folding plate. The machine is characterized in that three facial mask plates are installed on a folding working table (02); the facial mask folding plate 1 (0300) makes active stepping motion; the facial mask folding plate 2 (12) and the facial mask folding plate 3 (47) cooperate with the facial mask folding plate 1 to make passive motion, so that all the folding courses can be completed; four rubber rollers are installed on a packing working table (26), so that bags filled with the facial mask can be rapidly conveyed out to a material box; and an automatic conveying mechanical hand and a film adhesion head are also installed on the machine, and the mechanical hand can count the facial masks automatically, so that all the folded facial masks can be counted, and automatic feeding can be implemented. The machine has the advantages that the structure is novel, simple, compact, steady and reliable; efficiency is high; folding and packaging are completed automatically; discharge is implemented at two working stations simultaneously; the facial masks are folded orderly and neatly; manufacture is easy; the cost is low; and installation and debugging are convenient.