63results about How to "To achieve parallel operation" patented technology

The present invention relates to a quick scanning method for a residual error matrix in video coding process, which belongs to the field of video coding in signal processing. The method comprises: storing elements in a two dimension residual error matrix to a one-dimension serial according to a preset mapping way; extracting the lots of residual error elements gradually and orderly from the one-dimension serial, computing a level value, a map value and a run value of each residual error element, and storing them respectively. In the process of scanning the residual error matrix, the invention can parallelizably and effectively read the residual error element, accomplish parallelizably data computing and information extracting, and can quickly obtain the required scanning results, thereby, the invention greatly reduces the time cost in whole scanning process, enhances the coding rate of a coder, and facilitates the realization of real-time encoding under high distinguishability.

The invention provides an energy storage system and a control method for voltage difference among battery clusters. By the control method, the parallel process of the battery clusters can be rapidly and safely completed. The energy storage system comprises at least one battery cluster, a DC bus and a control unit, wherein each battery cluster comprises an energy storage battery and a high-voltagebox, the high-voltage box comprises a battery management system (BMS), a main positive contactor, a main negative contactor, a pre-charging contactor and a pre-charging resistor, and the control unitis connected with the BMS and is used for controlling the voltage difference so as to achieve parallel running of each battery cluster if the voltage difference between the battery cluster with highest voltage and the battery cluster with lowest voltage in the enabled battery clusters in the battery clusters is larger than a preset first threshold. In the energy storage system provided by the embodiment of the invention, different voltage differences among the battery clusters are classified and divided, the voltage difference of each battery cluster with relatively large voltage difference iscontrolled to actively balance the voltage difference among the battery clusters, so that parallel running of each battery cluster of the energy storage system is achieved as much as possible.

The invention relates to a multi-virtual synchronous generator parallel network control method based on inverters. The method comprises a step of collecting the output voltage u0 and output i0 of a single inverter in a parallel network, obtaining the amplitude U0 and frequency f of parallel network voltage, a step of obtaining the output reactive power Q of the inverter through reactive power and active power calculation, a step of taking U0 and Q as the input of a reactive-voltage control link, and obtaining an excitation EMF E, a step of taking rated active Pref and f as the input of an active-frequency control link, and obtaining a mechanical power Pm, a step of establishing the body model of a virtual synchronous generator, a step of inputting the mechanical power Pm and the excitation EMF E into the synchronous generator model and outputting modulation voltage, and a step of carrying out pulse width modulation on the modulation voltage, carrying out isolation amplification on the modulation voltage to act on an inverter main circuit, and completing the multi-virtual synchronous generator parallel network control based on inverters. According to the invention, the voltage waveform outputted by each inverter in a micro grid can be kept to be consistent, thus the circulating current is suppressed, and the parallel operation of the inverters in the micro grid is realized.

The invention discloses a physical interface device of an all-digital real-time simulation system of a power system, and the physical interface device can synchronously convert AI, AO, DI, DO and other signals of the real-time simulation system with high precision, capture level hopping, pulse triggering and other events, mark precise time scales for the events, continuously output waveform with very small refresh intervals and realize fault wave recording and replaying, open-loop test of a traveling-wave device and other functions. In addition, the modular design is realized according to the physical interface device of the all-digital real-time simulation system of the power system, the interfaces of AI, AO, DI and DO function boards are same, and the number of the different function boards can be flexibly configured according to the needs of trials; furthermore, the physical interface device of the all-digital real-time simulation system of the power system realizes fault diagnosis, automatic calibration and other functions and realizes the synchronous and parallel operation of a plurality of physical interface devices.

The invention is suitable for the technical field of computers and provides a control method, a system and a computer for parallel running of a multi-user operating system. The method comprises steps as follows: controlling distributing a CPU and a physical memory to a first-user operating system according to a pre-set proportion, performing visualization treatment on a display card and a network card integrated on a main board for the distribution to the first-user operating system, and meanwhile distributing a first hard disc in a framework to the first-user operating system; and controlling distributing the CPU and the physical memory to other second-user operating systems according to pre-set proportion, performing a hard disk direct access technical treatment on an externally connected independent display card and independent network card for the distribution to the other second-user operating systems, and meanwhile distributing a second hard disc in the framework to the other second-user operating systems. The parallel running and multi-network access of the multi-user operating system are realized, and the system is highly stable and usable.

The invention discloses a grid-connected photovoltaic power generation system capable of dynamically switching invert units. The power generation system is formed by an invert branch circuit in a driving control mode and an invert branch circuit in a driven control mode in a parallel mode, a direct current is connected into a PV array in a bypass mode, an alternating current is merged into a power grid in a bypass mode, each invert branch circuit is provided with a switch controller, a direct contactor, a direct current voltage stabilization branch circuit, a full bridge inversion unit and a filter return circuit, dynamic switching contactor components are arranged among the PV array and the direct current voltage stabilization branch circuits, dynamic switching switches in the dynamic switching contactor components are connected between the adjacent invert branch circuits in a cross mode, the switch controllers enable the invert branch circuits to be in a standby mode or a working mode through conduction and cut off of the dynamic switching switches, not only can parallel operation of the four invert units be achieved at the same time, but also direct current input of the four invert units is independent, four-way MPPT can be achieved, and circulation does not exist in the return circuits.

The invention discloses a Venturi-type bubble generation device with multiple Venturi structures in parallel connection. The bubble generation device comprises a gas inlet passage, a shell, ribbed plates, an internal core and the like. An inner Venturi passage comprises the shell and the coaxially mounted internal core, 16 division ribbed plates are radially mounted in the passage and circumferentially and uniformly arranged, and the single Venturi passage is divided into 16 independent Venturi structure units. Liquid enters the shell from a shell inlet, and gas enters throats of the Venturi structure units through an annular gas cavity, radial passages in the ribbed plates and a gas outlet close to the core, enters a divergent section along with high-speed water flow along the surface ofthe core and finally is fragmented into tiny bubbles under the action of strong turbulent flow in a backflow region of the divergent section. A whole flowing space is divided into 16 independent Venturi-type bubble generators, the Venturi-type bubble generators can parallelly and efficiently run, and the gas injected near the surface of the core flows out from the throats, cannot be brought into amain flow region, rapidly enters a near-wall strong turbulent flow region of the divergent section and is fragmented. In addition, the multiple Venturi structure units are designed in parallel connection, so that the Venturi-type bubble generation device has the advantages of compact structures, simplicity in mounting, pressure resistance, convenience in decontamination and the like, and safe andefficient operation of the device can be ensured.

The invention provides a flexible interconnection system between transformer station low voltage buses and a control method thereof; the system comprises a plurality of transformers and a multi-port flexible interconnection device; the transformers are arranged in the system transformer station; the adjacent transformer outlet buses are connected with the multi-port flexible interconnection device so as to realize multi-bus flexible interconnection. The system aims at the plurality of adjacent buses on the transformer outlet side in the same transformer station, and uses the multi-port flexible interconnection device to replace a buscouple switch, thus realizing the multi-bus flexible interconnection; the power electronic equipment controllability is employed to realize multi-bus trend interactions. The system and method can realize multi-bus parallel operations without increasing short circuit currents, thus improving the new energy local absorptive ability, improving the inter-bus load balancing level, improving the transformer load rate, reducing the transformer basic capacity, improving the power supply reliability, and improving the electric energy quality through proper control.

A sample reagent dispensing device, comprising a conveying unit (10), an accommodating unit (20), a first dispensing station (30) located on the periphery of the accommodating unit (20), a second dispensing station (201) located on the accommodating unit (20), a dispensing unit (40) and a control unit. An immunity analyzer, comprising the above-mentioned sample reagent dispensing device, a cleaning unit and an optical detection unit. In the present application, a first reaction component and a second reaction component are respectively dispensed in the first dispensing station (30) and the second dispensing station (201), thereby realizing the parallel operation of the dispensation of the first reaction component and other operation of the accommodating unit (20), and improving the test efficiency; when the second reaction component is dispensed, it is not necessary to convey a reaction vessel out of the accommodating unit (20), thereby simplifying the test steps and flow; the arrangement of the dispensing unit (40) thereof is no longer limited to the periphery of the accommodating unit (20), and the first dispensing station (30) and the second dispensing station (201) can be separately distributed, thereby avoiding the limitation and interference between dispensing units (40) in space.

The invention discloses an etching method which includes the steps that a former substrate is etched; the etching mask pattern of a latter substrate is detected; the etching pattern of the former substrate is detected; according to the detection results of the etching pattern of the former substrate and the etching mask pattern of the latter substrate, the etching condition of the next substrate is determined; based on the etching condition of the latter substrate, the latter substrate is etched. The etching method of the invention can further improve the controlling force of an etching technology and the precision of etching.

The invention discloses a power supplying system with multiple large-power high-voltage diesel generating sets in parallel operation. The system includes the high-voltage diesel generating sets, a high-voltage parallel operation system, a comprehensive protection device, a non-electricity protection device, a PT cabinet and a grounding resistor cabinet. The device has an independent-power-station design and under a condition without power grid voltage, the operation states of the generating sets can be adjusted according to external factors such as the operation condition of a main generator and electrical power parameters and the like and when in an emergency condition or when operation of the generating sets is needed, the parallel operation system is put into operation automatically so that grid connection use of any one or more generating sets in the system can be realized. An integrated console realizes concentrated monitoring and operation logic processing of the parallel system and automatic connection, automatic load sharing and automatic disconnection can be completed together and slope loading and slope unloading functions and control of automatic cooling stop are supported and system time and timer time can be set respectively according to the use condition and project demands and the whole parallel system is capable of automatically adjusting the number of sets which are put into operation according to the capacity of the load so as to meet stable power supply of the load.

The invention provides a cache read-write operation method for a flashcache hybrid storage system. A read-write lock is arranged in a metadata structure corresponding to each cache block in a cache. The method comprises the steps that whether an operation request is read operation or write operation is judged; if the operation request is read operation, the metadata structure corresponding to the cache block which the operation request points to is asked for a reader lock, read operation is performed, and write operation on the corresponding cache block is rejected when the reader lock is in a locked state; and if the operation request is write operation, the metadata structure corresponding to the cache block which the operation request points to is asked for a writer lock, write operation is performed, and read operation and other write operation on the corresponding cache block are rejected when the writer lock is in a locked state. Through the method, parallel operation on the cache is realized, and the read-write efficiency of the cache is improved.

The invention relates to a method for realizing multi-version parallel operation of COM components on a Windows operating system, and an implementation device. The invention discloses a multi-versionparallel operation method of a COM component. The method comprises the following steps: a, storing virtual registration data into a virtual registration file; b, installing the dynamic link library ofthe COM component and the virtual registration file into a program directory; c, importing the virtual registration file into a registry node obtained by hash operation on the running path of the main program; d, initializing global information of a program process; and e, intercepting the access of a registry access function, exported by ntdl.dll, of the operating system kernel layer to the HKEY_CLASSES_ROOT by adopting a hook function, and redirecting to the virtual registry node path obtained by the hash operation in the step c. According to the invention, the virtual registration data ofthe COM component is imported when the program process is started, and the COM component is redirected to the virtual registration data through the registry when accessing the COM component, so that multi-version parallel operation of the COM component is realized.

The invention discloses an offline wireless parallel operation method of a plurality of energy-storing converters in a large-capacity energy storing system. The method is that the energy storing converters are free of interconnection wires, so that each energy storing converter independently acquires three-phase voltage and three-phase current at each AC side to be independently controlled; when the large-capacity energy storing system is operated offline, each energy storing converter is subjected to droop control; each energy storing converter is selectively converted into an offline working mode or quitted from the offline working mode according to the photoelectric generating, wind-powered generating and load conditions; the corresponding working mode of each energy storing converter is converted according to the working state of each energy storing element. With the adoption of the method, energy storing converters can be plugged and played, the problem that the capacity of the large-capacity energy storing system is difficultly expanded during independent operating is solved, and therefore, the usability and stability of the system are improved; the system operation mode is flexible; the energy storing elements can be maintained and overhauled conveniently, and as a result, the service lives of the energy storing elements can be prolonged.

The invention provides an intelligent element remote upgrading method and system based on a vehicle-mounted Ethernet. The system comprises an Internet of Vehicles platform, a TBOX terminal arranged ona vehicle, an OTA Manager module and a to-be-upgraded target element. The Internet of Vehicles platform is in wireless communication with the TBOX terminal; the TBOX terminal, the OTA Manager moduleand a target element to be upgraded are connected in sequence, and the OTA Manager module is connected with the target element to be upgraded through a plurality of CAN buses and a plurality of vehicle-mounted Ethernet. By setting transmission of the vehicle-mounted Ethernet and the CAN bus, parallel operation can be achieved, simultaneous upgrading of multiple target elements is achieved, and meanwhile, each target element of the transmission path is relatively independent, so that the problem of upgrading failure caused by packet loss, blockage and the like is avoided. According to the method, the legality of the file is verified before the upgrade file is transmitted, and the integrity of the file is verified after the upgrade file is transmitted to the target file, so that the securityof an upgrade system is ensured.

The invention discloses an image definition determination method, which comprises the steps of performing gray processing on a to-be-evaluated image to obtain a gray image of the to-be-evaluated image; sequentially obtaining a first gray value variance of each pixel point in the gray image; wherein the process of obtaining the first gray value variance of each pixel point comprises the following steps: performing normalization processing on the pixel point and the gray value of each adjacent pixel point in a preset adjacent region corresponding to the pixel point, and then performing operationof the first gray value variance, thereby obtaining the definition of the to-be-evaluated image. According to the method, the influence of different image textures on the definition of the image canbe eliminated to a certain extent, the image of the image or video being watched by the user can be directly collected as the to-be-evaluated image, the problem that the user is interrupted when usingthe projector is avoided, and the user experience is improved. The invention further provides an image definition evaluation device, automatic focusing projector equipment and a computer readable storage medium, which have the above beneficial effects.

The invention discloses a hybrid ship charge-discharge control device. The control device is formed by a diesel generating set, a controllable rectifying device, a battery pack, a propulsion frequencyconverter and a propulsion motor; the invention further discloses the control method of the hybrid ship charge-discharge control device. By means of the control method of the hybrid ship charge-discharge control device, deep hybrid power supply of the diesel generating set and the battery pack is achieved, charge-discharge control of the battery pack can be achieved when the ship sails without needing configuration of an additional charging generator, and controlling of the battery pack can be conducted according to surplus power of the diesel generating set when the ship sails.

The invention relates to a windows access method of a distributed file system based on UniWhale. Through moving a function for managing a file storage position from a server specified in a file storage server cluster in the prior art to a UniWhale client, the UniWhale client can directly communicate with each of storage server nodes. The UniWhale client, before operating each catalogue or file, firstly calculates a specific node of the catalogue or the file according to a full pathname of the catalogue or the file and a hash value distribution space of the storage server cluster, and then carries out file access and relevant operation with the node. Through improvement, the parallel operation for the file storage server cluster can be realized really; and the performance of a file storage server system is greatly improved.

The invention provides a solar-gas-storage multi-energy complementary combined cooling heating and power system comprising a solar-storage microgrid subsystem, a gas combined cooling heating and powersubsystem and an energy management system. The solar-storage microgrid subsystem and the gas combined cooling heating and power subsystem are interconnected through a parallel contactor. The energy management system monitors and dispatches all the equipment in the solar-gas-storage multi-energy complementary combined cooling heating and power system. The capacity allocation principle is made forthe solar-storage microgrid subsystem and the gas combined cooling heating and power subsystem, and operation control is performed for the solar-gas-storage multi-energy complementary combined coolingheating and power system according to the winter and summer condition and the spring and autumn condition separately on the basis of the requirement for heating and cooling.

The invention discloses a sequential model scheduling method of a distributed simulation system, and belongs to the technical field of complex system simulation. The distributed simulation system comprises a client side, a master control engine and computational nodes. The sequential model scheduling method of the distributed simulation system comprises the steps that 1, simulation run is initialized, and model distribution is completed; 2, run simulation is carried out, that is, the client side sends a scheduling instruction to the master control engine, the master control engine receives the scheduling instruction, a first-stage run model is obtained, a drive instruction is sent to the node where the first-stage run model is located, and models on the computational nodes are driven to run; 3, the computational nodes receive the drive instruction to drive the models to run, and result data is generated and output to the master control engine; 4, the master control engine receives the result data and resolves the result data, and downstream model sets are obtained; 6, a downstream model ID set is subjected to traversal; 6, whether the current model is removed or not is judged; 7, whether the number of the downstream model sets is reached or not is judged; 8, the downstream set models are vacant or not is judged, the step 3 is executed, and the method is completed. According to the method, model run efficiency is improved, master control engine loads are reduced, time consumed for model scheduling is shortened, and high universality is achieved.

The invention discloses a fingerprint identification-based intelligent queuing system and a control method thereof. The equipment involved in the invention comprises two parts, i.e. a fingerprint entry number taking unit and a fingerprint verification ticket purchase unit. The equipment specifically includes fingerprint acquisition cards, DSPs (digital signal processors), CPLD (complex programmable logic device) logic control chips, a voice chip, a loudspeaker, a liquid crystal display, a call button and data storage chips. The data storage includes SRAM data storage chips and FLASH chips. According to the method disclosed in the invention, when a passenger purchases a ticket at the window, the ticket seller can conduct matching according to the acquired fingerprint, and sells the ticket based on whether the matching is successful or not. During ticketing, the adverse effect brought by queue jumping of passengers for no reason can be effectively prevented, the ticketing efficiency can be enhanced, and the human environment of a ticket hall can be effectively improved. With the system provided in the invention, rapid, reliable, and intelligent management of a ticketing system is realized, and because of the uniqueness of fingerprint, the mode of ''one number for one person'' queuing to purchase tickets can be truly realized.

The invention discloses a generating unit multi-synchronizing point automatic grid connection system. A system side voltage measuring unit is installed in an I bus, an II bus, and respective user lines that are connected to the I bus and the II bus. When a generating unit is connected to a grid, a to-be-connected side voltage measuring unit on the generating unit and a random system side voltage measuring unit performs sensing. When conditions for synchronizing grid connection are met, a grid connection control unit is controlled in a synchronizing apparatus, such that the grid connection control unit successively opens respective grid connection disconnections / switches. Compared with prior art, as long as a random synchronizing point in a grid system is normal, the generators can work inparallel, which greatly increases the grid connection efficiency of the generating unit and ensures stable operation of system side power supply. According to the invention, 2 parallel switches are provided for executing grid connection, so that even one parallel switch of the system has faults, the grid connection of the generators are not affected, and grid connection is much easier and more flexible in terms of branch selection.

The invention relates to a method for controlling an LED lamp (100) and to an LED lamp (100) suitable therefor. The LED lamp (100) comprises at least a first LED assembly (1) and a second LED assembly (2). During operation, the first LED assembly (1) and the second LED assembly (2) emit light having different light spectra and the first LED assembly (1) preferably emits a higher blue light component than the second LED assembly (2). The components of the light emitted by the first LED assembly (1) and the second LED assembly (2) within a total light spectrum of the LED assemblies (1, 2) are controlled in accordance with a specified spectrum control curve (STK). When a change signal is received from a user interface, the spectrum control curve (STK) is at least locally modified and said local modification is automatically taken into consideration, at least partially, in a subsequent new run of the spectrum control curve (STK).

The invention discloses an integrated circuit device, electronic equipment, a board card and a computing method by using the integrated circuit device. The integrated circuit device may be included in a computing processing device of the combined processing device, which may include one or more integrated circuit devices. The combined processing device can further comprise an interface device and other processing devices. The computing processing device interacts with other processing devices to jointly complete the computing operation specified by the user. The combined processing device can further comprise a storage device, and the storage device is connected with the equipment and other processing devices and used for storing data of the equipment and other processing devices. According to the scheme, the data transmission quantity between the internal equipment and the external storage device can be reduced, so that the I / O bottleneck problem caused by bandwidth limitation is reduced to the greatest extent, and the overall performance of the integrated circuit device can be improved.

The invention provides a flexible interconnection system between transformer station low voltage buses and a control method thereof; the system comprises a plurality of transformers and a multi-port flexible interconnection device; the transformers are arranged in the system transformer station; the adjacent transformer outlet buses are connected with the multi-port flexible interconnection device so as to realize multi-bus flexible interconnection. The system aims at the plurality of adjacent buses on the transformer outlet side in the same transformer station, and uses the multi-port flexible interconnection device to replace a buscouple switch, thus realizing the multi-bus flexible interconnection; the power electronic equipment controllability is employed to realize multi-bus trend interactions. The system and method can realize multi-bus parallel operations without increasing short circuit currents, thus improving the new energy local absorptive ability, improving the inter-bus load balancing level, improving the transformer load rate, reducing the transformer basic capacity, improving the power supply reliability, and improving the electric energy quality through proper control.

The invention relates to an AC / DC hybrid microgrid coupled inverter cascade control implementation method, which comprises the steps of firstly designing a current vector control strategy, performingPark inverse transformation on an output result of the current vector control strategy, and performing space vector pulse width modulation to obtain a PWM wave for driving a three-phase inverter, wherein the current reference input of the current control loop is the output of the voltage control loop; secondly, designing a voltage vector control strategy, wherein voltage reference input of the voltage vector control strategy is output of the virtual impedance control loop; thirdly, designing a virtual impedance control loop, wherein the voltage reference input of the virtual impedance controlloop is the output of the virtual synchronous machine control loop; then, designing a virtual synchronous machine control loop; and finally, designing a grid-connected synchronous control loop, and closing a grid-connected switch when a grid-connected condition is met. According to the invention, the robustness of the controller to parameter disturbance and external disturbance and the system inertia and frequency stability of the AC-DC hybrid microgrid coupling inverter can be improved; and parallel operation of the AC-DC hybrid microgrid coupling inverter is realized, off-grid and grid-connected seamless switching can be realized, and the redundancy and reliability of the system are improved.

The invention discloses a simulation operation implementation method for swarm intelligent building simulation model, which comprises the following steps: (10) model simulation thread operation: starting a swarm intelligent building simulation model, and enabling each simulation model to independently operate in one thread by applying a thread pool dynamic management technology; (20) initialization: initializing parameters and states of the swarm intelligent building simulation model; (30) mathematical rule execution of the models: executing and calculating mathematical rule formulas in the models; (40) parameter callback: when the model needs other model parameters to participate in operation, obtaining parameter data through a callback interface; and (50) parameter reading and writing: judging whether a reading and writing instruction for the model data exists or not, executing corresponding operation, and then turning to the step (30) of executing the mathematical rule of the model.According to the simulation operation implementation method of the swarm intelligent building simulation model, operation execution and data exchange of the swarm intelligent building model are achieved.

The invention discloses a control system of full-automatic intelligent photovoltaic cell detecting and sorting equipment. The control system is divided into three layers: the first layer is provided with a master controller of the intelligent photovoltaic cell detecting and sorting equipment, and the master controller controls four sets of subsystems of an intelligent loading controller, an intelligent visual detection and position correction controller, an intelligent photovoltaic test system controller and an intelligent sorting system controller. The four sets of subsystems respectively control a loading mechanical arm, a loading and ejecting mechanism, a first transmission belt and a first set of cylinder controller, control intelligent visual feedback, position correction, a second transmission belt and a second set of cylinder controller, control the intelligent simulation light source, bidirectional bar pins, intelligent IV testing, a third transmission belt and a third set of cylinder controller, and control a sorting mechanical arm, a sorting and ejecting mechanism, a fourth transmission belt and a fourth set of cylinder controller. Automatic and intelligent photovoltaic cell characteristic curve detecting and sorting can be realized.

The present invention relates to a quick scanning method for a residual error matrix in video coding process, which belongs to the field of video coding in signal processing. The method comprises: storing elements in a two dimension residual error matrix to a one-dimension serial according to a preset mapping way; extracting the lots of residual error elements gradually and orderly from the one-dimension serial, computing a level value, a map value and a run value of each residual error element, and storing them respectively. In the process of scanning the residual error matrix, the inventioncan parallelizably and effectively read the residual error element, accomplish parallelizably data computing and information extracting, and can quickly obtain the required scanning results, thereby,the invention greatly reduces the time cost in whole scanning process, enhances the coding rate of a coder, and facilitates the realization of real-time encoding under high distinguishability.