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 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 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.

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 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 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 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.