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234 results about "Salve" patented technology

A salve is a medical ointment used to soothe the surface of the body.

Local area network multi-terminal synchronous playing time deviation calculation improving method

The invention discloses a local area network multi-terminal synchronous playing time deviation calculation improving method. The method comprises the steps that 1, a slave device sends a timestamp information packet to a primary device, and the playing schedule T1 of the slave device at the moment is recorded; 2, the primary device receives the timestamp information packet from the salve unit, and the playing schedule T2 of the primary device at the moment is added into the timestamp information packet; 3, the main device sends the timestamp information packet to the slave device, and the playing schedule T3 at the moment when the timestamp information packet leaves from the primary device is added into the timestamp information packet; 4, the slave device receives the timestamp information packet from the primary device, and the playing schedule T4 of the slave device at the moment is recorded; 5, threshold filtering is carried out on network delay between the primary device and the slave device; 6, the least square method is adopted for figuring out the playing time deviation between the primary device and the slave device. The local area network multi-terminal synchronous playing time deviation calculation improving method has the advantage of being capable of accurately figuring out the playing time deviation between the primary device and the slave device.
Owner:SYSU HUADU IND SCI & TECH INST

Interactive sampling value transmission system and sampling value transmission method thereof

The invention discloses an interactive sampling value transmission system and a sampling value transmission method thereof. The interactive sampling value transmission system comprises IEDs (Intelligent Electronic Device) of spacing layers and merging units of process layers, and is characterized in that each merging unit is provided with one or a plurality of sampling value control blocks and defines a salve clock for each sampling value control block respectively, all the slave clocks are unrelated with each other, and each slave clock is communicated with each main clocks of the IED of each spacing layer; the IED of each spacing layer defines a GOOSE control block which internally comprises information related to sampling execution, sampling start time, number of sampling points and sampling interval; the GOOSE control blocks can transmit information to the merging units through GOOSE messages, after receiving sampling value control information of the corresponding IEDs, the merging units control sampling for electronics mutual inductors at a moment as required to obtain sampling values; and different IEDs of the spacing layers are associated with the different sampling value control blocks of the merging units for receiving the sampling values of the different sampling value control blocks. As signal lines between the process layers and the spacing layers are additionally arranged in the interactive sampling value transmission system, the applications, such as protection, monitoring and the like, to a transformer substation do not depend on external time setting, and the synchronous precision of sampling can reach a hundred-nanosecond grade.
Owner:NARI TECH CO LTD +1

Message receiving method and network device

The embodiment of the invention relates to a technology of message processing and particularly relates to a message receiving method and a network device. The method is applied to a multi-core CPU. The multi-core CPU comprises a master core and a plurality of slave cores. The master core is used for determining an operation state of each slave core of the plurality of slave cores and maps the operation state of each slave core through a bit map. The method comprises the steps that in the plurality of slave cores, a first slave core operating in a kernel mode determines whether an interruption signal from an interruption controller is a packet receiving interruption signal or not; and if the interruption signal is the packet receiving interruption signal, the first salve core writes a memory address of a message into a shared memory shared by a user mode and the kernel mode in an interruption process, thereby enabling the address of the message to be seen by the slave kernels in the kernel mode and the user mode, wherein the steps performed by the first slave core are performed based on a preset special register, and the preset special register is the register which is only used by the slave core in the kernel state. According to the message receiving method and the network device provided by the embodiment of the invention, the message receiving efficiency can be improved.
Owner:HUAWEI TECH CO LTD

Intelligent telecontrol machine based method for converting 61850 model to CIM model

The invention discloses an intelligent telecontrol machine based method for converting a 61850 model to a CIM model. The method comprises the following steps: through an SCL tool of an intelligent telecontrol machine, performing IEC 61850 secondary modeling and measured point modeling on a transformer station; producing an IEC 61850 SSD model file of the transformer station; configuring the correspondence between a measuring point model and a plant station equipment primary model; performing conversion between an IEC 61850 model and an IEC 61970 model, generating an IEC 61970 XML model file, and obtaining unique coding of equipment and a measuring point through the registration center of the intelligent telecontrol machine; verifying the rationality and integrity of the generated IEC 61970 XML model file; and according to the unique coding, transmitting a successfully verified IEC 61970 XML model file to a master station system for use through expanding a 104 protocol by the intelligent telecontrol machine. By adopting the technical scheme provided by the invention, the information between the master station system and a salve station system can be directly interconnected so that the communication efficiency between the transformer station and a scheduling center is improved.
Owner:CHINA SOUTHERN POWER GRID COMPANY +1

Multi-agent-oriented benefit equalized micro-grid day-ahead economic scheduling method

The invention relates to a multi-agent-oriented benefit equalized micro-grid day-ahead economic scheduling method, which comprises the steps of building an operation cost model of various types of equipment by combining the fuel cost, the operation scheduling cost, the life loss cost and the environmental pollution cost of the equipment in the system based on efficiency models of the various typesof energy generation and conversion equipment in a multi-energy micro-grid; building a day-ahead economic scheduling mathematical model considering multi-agent benefit equalization of renewable energy owners, micro-grid energy service providers and electric automobile users; solving the built model by adopting a master-salve game method, solving an optimal strategy by adopting an improved chaoticparticle swarm algorithm for the benefit of each participant, and solving a Nash equilibrium point by adopting an iterative search method for the whole game process. According to the invention, threemain bodies such as the renewable energy owners, the micro-grid energy service providers and the electric automobile users are enabled to make corresponding decisions according to obtained information, the operation scheduling strategy among the main bodies of the comprehensive energy micro-grid can be optimized, the benefit of each main body is improved, and the operation economy of the comprehensive energy micro-grid is improved.
Owner:国网宁夏电力有限公司经济技术研究院

Position and pressure master-slave control method of hydraulic servo system of valve-controlled cylinder

The invention relates to a position and pressure master-slave control method of a hydraulic servo system of a valve-controlled cylinder, and belongs to the technical field of control of a high-flow quantity and high-speed hydraulic servo system. The method comprises the following steps of using a position signal in the hydraulic servo system of the valve-controlled cylinder as a master feedback signal of the whole system, and using the position control as the master closed loop control of the whole system; using a pressure signal as a slave control signal, and using the pressure feedback control as the slave closed loop control; and introducing the pressure conversion gain into the slave closed loop control, when the load of an executing mechanism reaches the setting range of the master control pressure, starting the position and pressure master-salve control of the hydraulic servo system of the valve-controlled cylinder, comparing the actual pressure signal with the given pressure signal to obtain a result, converting the result into a position deviation signal, compensating the deviation signal into a position closed loop of the whole system, and enabling the system to adjust a servo valve by a master-salve PID (proportional integral differential) controller according to the general position deviation signals, so as to precisely adjust the position of a hydraulic cylinder. The method has the advantages and beneficial effects that the position and pressure master-salve control of the hydraulic servo system is realized, the control precision of the system is improved, and the control performance of the system is improved.
Owner:TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Multi-motor synchronization control system

The invention provides a multi-motor synchronization control system, which comprises a host control device for controlling a host and slave control devices for controlling salves, wherein the host consists of a motor group consisting of two asynchronous motors with the same parameters, wiring terminals of the asynchronous motors are connected in parallel, and motor shafts of the asynchronous motors are rigidly connected; each slave consists of a motor group consisting of two asynchronous motors with the same parameters, wiring terminals of the asynchronous motors are connected in parallel, and motor shafts of the asynchronous motors are rigidly connected; an output shaft of the host are flexibly connected with output shafts of the slaves; the host control device and the slave control devices are used for performing centralized control and motor rotating speed estimation on the whole motor groups by adopting a speed sensor-free vector control manner; the slave control devices perform proportion integration operation on a difference of the motor torque current itref1 of the host and the motor torque current itref2 of the slaves, and adds the difference to the estimated motor rotating speed omega1 of the host and the motor slip ratio omegas2 of the slaves, and the sum is used as the synchronous speed omega for controlling the slaves.
Owner:HICONICS ECO ENERGY TECH CO LTD

Master-salve control method and device for dual-control storage equipment

The invention discloses a master-salve control method for dual-control storage equipment, applied to a microcontroller unit; the microcontroller unit is connected to a master controller and slave controller in the dual-control storage equipment through a bus; the master-slave control method comprises: determining whether the master controller is abnormal or not during monitoring of operating state of the master controller; if yes, transmitting a master-slave conversion command to a slave controller so that the slave controller is upgraded into a master controller. By employing the technical scheme provided by an embodiment of the invention where the microcontroller unit is connected with the master controller and the slave controller through the bus instead of a network connection, it is possible to effectively avoid the problem that misjudgments on the operating state of the master controller due to network instability and other reasons lead to the upgrade of the slave controller into a master controller and competed use against the original master controller, and system performance of the dual-control storage equipment is improved. The invention also discloses a master-slave control device for dual-control storage equipment, having corresponding technical advantages.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD

Arc start and arc withdrawal control method for double-wire serial submerged arc welding

InactiveCN102513648APrevent saggingReliable arc startArc welding apparatusStart timePower flow
The invention relates to an arc start and arc withdrawal control method for double-wire serial submerged arc welding, comprising the following steps: starting a master welding power source (PA) and a travelling mechanism (TR) firstly at the arc start time, at which a master wire feeder (FA) feeds a wire slowly; using an arc starting current supplied by the master welding power source at an arc starting position (B) to make a front welding wire (Wf) produce the arc, at which the master welding power resource automatically switches to a stable welding current and the slow-speed wire feeding turns to be normal-speed wire feeding; after shifting a rear welding wire (Wb) to the art starting position, starting a slave welding power source (PB) and a slave wire feeder (FB) to feed the wire slowly; using the arc starting current supplied by the slave welding power source at the arc starting position to make the rear welding wire produce the arc, at which the slave welding power source automatically switches to the stable welding current and the slow-speed wire feeding turns to be the normal-speed wire feeding; stopping the master wire feeder firstly at an arc withdrawing position (C) at the arc withdrawal time, delaying the master welding power source for a certain time and then stopping the master welding power source; and after shifting the rear welding wire to the arc withdrawing position, stopping the slave wire feeder and the travelling mechanism firstly, delaying the salve welding power source for a certain time and then stopping the salve welding power source. The control method of the invention can avoid a small section of a narrow gap at the head and the tail of a weld seam, reduce the phenomenon that the weld seam is collapsed at the arc withdrawing position, prevent weld seam defects, and obtain good forming quality of the weld seam.
Owner:HUNAN UNIV OF SCI & TECH

Hyaluronic acid-chitosan microsphere carrying epidermal growth factor and preparation method and application of hyaluronic acid-chitosan microsphere

The invention provides an environment-friendly and simple preparation method for a hyaluronic acid-chitosan microsphere carrying an epidermal growth factor. The hyaluronic acid-chitosan microsphere is prepared via ionic polymerization, centrifugation, purification, and freeze-drying under the protection of a protective agent. The hyaluronic acid-chitosan microsphere carrying the epidermal growth factor can be used for preparing pharmaceutical preparations (including a gel, a film agent, a powder agent, an ointment, and the like) for treating burn and scald wounds. According to the hyaluronic acid-chitosan microsphere carrying the epidermal growth factor and the pharmaceutical preparations of the hyaluronic acid-chitosan microsphere, sustained release of the epidermal growth factor on the burn and scald wounds is realized; wound cell proliferation is promoted; and functions, of protecting burn and scald tissues and promoting wound healing, of sodium hyaluronate and chitosan are developed. The hyaluronic acid-chitosan microsphere can provide a support for wound cell proliferation, and an excellent medicine for treating burn and scald wounds is obtained.
Owner:SHANDONG ACADEMY OF PHARMACEUTICAL SCIENCES +1

Traditional Chinese medicine ointment for treating burn and preparation method thereof

Disclosed is a Chinese traditional medicine ointment for curing burn disease and a preparing method; the medicine is composed of the following Chinese traditional medicine materials by weight ratio: 112.5-337.5 parts of Garden Burnet Root, 37.5- 112.5 parts of radix scutellariae, 37.5-112.5 parts of Bark of Chinese Corktree, 12.5-37.5 parts of rhubarb, 12.5-37.5 parts of folium ilicis chinensis, 12.5-37.5 parts of lotus leaf, 12.5-37.5 parts of lithospermum, 12.5-37.5 parts of yellowweed, 12.5-37.5 parts of glabrous sarcandra herb, 7.5-22.5 parts of coptis root, 5-15 parts of borneol, and 450-1350 parts of benne oil and 48.6-145.8 parts of beeswax. With functions of clearing away heat and toxic material, reducing swelling and alleviating pain, promoting Blood circulation to remove Blood stasis, reducing inflammation and clearing away purulence, removing the rotten and drawing the poison, and generating muscle and skin, the medicine ointment has the advantages that the production technique is simple, the quality index can be controlled easily, the cost is low, and the use is security; the medicine is applied to patients with skin burn, and can have effects on resisting bacterium, diminishing inflammation and alleviating pain, and has accurate curative effect.
Owner:湖南恒伟药业股份有限公司

Method and device for configuring shooting parameters

ActiveCN103973979AControl output color temperatureControl output timeTelevision system detailsColor signal processing circuitsWireless dataComputer terminal
The invention discloses a method and device for configuring shooting parameters, and belongs to the technical field of terminals. The method comprises the steps that the shooting parameters to be configured to slave devices are acquired according to the currently-set shooting mode, wherein the shooting parameters at least comprise output color temperature and output time, and the slave devices comprise color-temperature-adjustable flash components; the shooting parameters are sent to the slave devices through wireless data links which are pre-established for the slave devices so that the output color temperature and the output time of the flash components in the slave devices in the shooting process can be set for the slave devices according to the shooting parameters. According to the method and device for configuring the shooting parameters, by acquiring the color temperature and the output time in the shooting parameters to be configured to the salve devices and controlling the color temperature and the output time of the flash components in the slave devices, the accuracy of the output color temperature during light supplementing of the salve devices under the multi-terminal shooting condition is improved, and the quality of shot pictures is improved.
Owner:XIAOMI INC
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