Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

31results about How to "Reduce triggers" patented technology

Method for prolonging service life of solid-state disk

The invention discloses a method for prolonging the service life of a solid-state disk, which comprises the following steps of: (1) adding a write request into a write request queue in a buffer area of a solid-state disk; (2) selecting a data page in the write request as a sampling page; (3) calculating the fingerprint of the sampling page and also comparing with fingerprints in a fingerprint library so as to carry out matching; (4) if no matching fingerprint is found, writing the rest data pages in the sampling page and the request into a flash memory of the solid-state disk directly; and (5) if a matching fingerprint exists, carrying out fingerprint calculation on each of the rest pages respectively and also comparing with the fingerprints in the fingerprint library respectively so as to carry out matching: updating a corresponding mapping table directly for the data page in which the matching fingerprint is found and writing the data page in which the matching fingerprint is found into the solid-state disk. According to the method for prolonging the service life of the solid-state disk, the actual physical occupation of data in the solid-state disk on the flash memory is reduced, the redundant space of a system is indirectly increased, and the frequency of the garbage recovering operation of the system is reduced, so that the service life of the solid-state disk is enhanced.
Owner:HUAZHONG UNIV OF SCI & TECH

Preparation method of lithocarpus polystachyus rehd fermented health drink

The invention discloses a preparation method of a lithocarpus polystachyus rehd fermented health drink, which comprises the following steps that: (1) adding lithocarpus polystachyus rehd sweet tea leaves into water, heating, boiling, maintaining boiling for 10 to 20min, staying still so that the lithocarpus polystachyus rehd sweet tea leaves are precipitated, and taking the supernatant as sweet tea solution; (2) selecting yeast fermentation fluid, acetic acid bacteria fermentation fluid and lactobacillus fermentation fluid as fermentation broth; and (3) switching the fermentation fluid into the sweet tea solution, adding sugar, staying still and culturing for 48 to 72h at 30DEG C, and taking filtrate as the lithocarpus polystachyus rehd fermented health drink. The method takes the lithocarpus polystachyus rehd sweet tea as a culture medium to be fermented with lactobacillus, acetic acid bacteria and yeast, and the prepared lithocarpus polystachyus rehd fermented health drink has a plurality of health care functions and natural flavor. The lactobacillus, acetic acid bacteria and yeast that the method adopts can promote human development, improve the immunity and delay the body aging; and the lactobacillus has the effect of antibacterium, intestinal peristalsis promotion, digestion assistance, pathogenicbacteria killing, vitamin and amino acid synthesis in the intestinal tract and the like.
Owner:杭州美澳生物技术有限公司

Wild-imitating planting substrate for dendrobium huoshanense and preparation method for wild-imitating planting substrate

The invention discloses a wild-imitating planting substrate for dendrobium huoshanense. The wild-imitating planting substrate comprises a bottom-layer substrate, a middle-layer substrate and an upper-layer substrate which are arranged in a manner of being superposed sequentially from bottom to top, wherein the bottom-layer substrate is prepared from 10-20 parts (by weight) of dried corn stalks or dried sugarcane leaves; the middle-layer substrate is prepared from a mixture of 5-15 parts (by weight) of vermiculite and the like; and the upper-layer substrate is prepared from a mixture of 15-35 parts (by weight) of modified biocarbon, 15-45 parts (by weight) of rotten wood and the like. A preparation method for the planting substrate comprises the steps of preparing the modified biocarbon, preparing the bottom-layer substrate, the middle-layer substrate and the upper-layer substrate and then carrying out superposition. The preparation method for the planting substrate is simple and easy to understand; and the planting substrate prepared by the preparation method has the advantages that the condition that the substrate is rotted, is air-proof and does not hold moisture in long-term use is overcome, the cost is low, the nutrition is complete, the growth of the dendrobium huoshanense is better facilitated, dendrobium huoshanense stems are promoted to grow more sturdy, and dendrobium huoshanense root systems are promoted to be more developed.
Owner:GUANGXI ZHIBAO TECH CO LTD

High-voltage direct-current contactor

The invention relates to a high-voltage direct-current contactor which is suitable for medium load systems in electrical power, metallurgy, mines, petroleum, traffic transportation and the like, and is especially suitable for a capacitor charging loop on an electric locomotive converter. The high-voltage direct-current contactor comprises an engine part, an electromagnetic drive part, a transmission part, a magnetic blow-out part, an auxiliary contact and an arc extinguish chamber, wherein the engine part is provided with a base, a main frame and a main frame cover plate; the transmission part is provide with a push rod, a reset spring, a rotary rack, a moving main contact and a moving arc contact; the electromagnetic drive part is provided with a cylindrical yoke, a movable iron core and a coil, and a lining is arranged between the cylindrical yoke and the movable iron core; and the magnetic blow-out part is provided with an iron core, a magnetic conducting iron plate, a magnetic blow-out coil, a static arc contact, an upper connecting copper bar and a static main contact. The high-voltage direct-current contactor has the advantages of long electric service life, high breaking speed, strong shock resistance capacity, compact structure, small volume, good tightness and the like, and is convenient in assembly and maintenance.
Owner:武汉长海电气科技开发有限公司

Multi-unmanned aerial vehicle system formation tracking control method based on dynamic event triggering

The invention provides a multi-unmanned aerial vehicle system formation tracking control method based on dynamic event triggering. The method comprises the steps that mathematical modeling is carried out on a multi-agent system composed of multiple unmanned aerial vehicles; based on the established model, the state of the multi-agent is estimated in a non-triggering period, and based on an estimated value and a measured value, a measurement error is calculated and a tracking error is defined; based on the measurement error and the tracking error, a controller for formation compensation input and leader bounded control input compensation and dynamic event trigger functions are constructed, and a leader and a follower correspond to different dynamic event trigger functions; and when a first trigger function meets a trigger condition, the leader unmanned aerial vehicle communicates with the adjacent follower, and when the second trigger function meets the trigger condition, the unmanned aerial vehicle as the follower performs information communication with the adjacent follower. According to the method, a novel event triggering mechanism which saves more energy is designed by introducing auxiliary parameters, and the communication efficiency is remarkably improved.
Owner:SHANDONG UNIV

Path planning method and device

PendingCN112000088AReduce triggersOvercome the problem that the collision avoidance ability cannot be guaranteedForecastingPosition/course control in two dimensionsPathPingAlgorithm
The disclosure provides a path planning method and device. The path planning method comprises the following steps: after determining a global path according to a starting point and an ending point, determining a plurality of local areas and a local starting point, a local ending point and a local scene of each local area; establishing an unconstrained optimization proposition corresponding to thelocal area according to the local starting point, the local terminal point and the local scene; generating a plurality of local paths as initial solutions of the optimization proposition comprising atrajectory curvature and a plurality of penalty functions; under each initial solution, setting the weights of a plurality of penalty functions to be the same and calculating a solution of the optimization proposition; when the solution does not meet a preset termination condition, adjusting the weights of a plurality of penalty functions and then continuously performing calculating by taking thesolution as an initial solution until an optimal solution meets the termination condition; and generating a plurality of local paths according to the optimal solution corresponding to each initial solution, and determining the optimal path of the local area in the plurality of local paths. The path planning method provided by the invention can reduce the collision risk of the robot.
Owner:BEIJING JINGDONG QIANSHITECHNOLOGY CO LTD

A multi-area container data center

A multi-area container data center belongs to the technical field of container data centers, and comprises an external machine placement area, a first partition, a fire-fighting equipment area, a second partition, an IT equipment area, a third partition, a power equipment area and a fire-fighting execution device. A first partition plate is arranged between the external machine placing area and the fire fighting equipment area, the fire fighting equipment area and the IT equipment area shall be provided with a second partition board. The IT equipment area and power equipment area shall be provided with a third partition, a fire-fighting actuating device comprises a fire-fighting tank, Fire control, fire conduit, Fire nozzle, smoke detectors and temperature detectors, Fire tanks in the fireequipment area. The two sides of the fire tank are provided with fire pipes, the fire pipes pass through the second partition, the third partition is arranged in the IT equipment area and the power equipment area, the fire pipes are provided with fire spray nozzles, smoke detector and temperature detector are on the top of the IT equipment area and the power equipment area, and the fire tank, smoke detector and temperature detector are electrically connected with the fire controller. The invention is used for separating data centers and processing fire conditions.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD

High-voltage direct-current contactor

The invention relates to a high-voltage direct-current contactor which is suitable for medium load systems in electrical power, metallurgy, mines, petroleum, traffic transportation and the like, and is especially suitable for a capacitor charging loop on an electric locomotive converter. The high-voltage direct-current contactor comprises an engine part, an electromagnetic drive part, a transmission part, a magnetic blow-out part, an auxiliary contact and an arc extinguish chamber, wherein the engine part is provided with a base, a main frame and a main frame cover plate; the transmission part is provide with a push rod, a reset spring, a rotary rack, a moving main contact and a moving arc contact; the electromagnetic drive part is provided with a cylindrical yoke, a movable iron core and a coil, and a lining is arranged between the cylindrical yoke and the movable iron core; and the magnetic blow-out part is provided with an iron core, a magnetic conducting iron plate, a magnetic blow-out coil, a static arc contact, an upper connecting copper bar and a static main contact. The high-voltage direct-current contactor has the advantages of long electric service life, high breaking speed, strong shock resistance capacity, compact structure, small volume, good tightness and the like, and is convenient in assembly and maintenance.
Owner:武汉长海电气科技开发有限公司

Method for prolonging service life of solid-state disk

The invention discloses a method for prolonging the service life of a solid-state disk, which comprises the following steps of: (1) adding a write request into a write request queue in a buffer area of a solid-state disk; (2) selecting a data page in the write request as a sampling page; (3) calculating the fingerprint of the sampling page and also comparing with fingerprints in a fingerprint library so as to carry out matching; (4) if no matching fingerprint is found, writing the rest data pages in the sampling page and the request into a flash memory of the solid-state disk directly; and (5) if a matching fingerprint exists, carrying out fingerprint calculation on each of the rest pages respectively and also comparing with the fingerprints in the fingerprint library respectively so as to carry out matching: updating a corresponding mapping table directly for the data page in which the matching fingerprint is found and writing the data page in which the matching fingerprint is found into the solid-state disk. According to the method for prolonging the service life of the solid-state disk, the actual physical occupation of data in the solid-state disk on the flash memory is reduced, the redundant space of a system is indirectly increased, and the frequency of the garbage recovering operation of the system is reduced, so that the service life of the solid-state disk is enhanced.
Owner:HUAZHONG UNIV OF SCI & TECH

Preparation method of lithocarpus polystachyus rehd fermented health drink

The invention discloses a preparation method of a lithocarpus polystachyus rehd fermented health drink, which comprises the following steps that: (1) adding lithocarpus polystachyus rehd sweet tea leaves into water, heating, boiling, maintaining boiling for 10 to 20min, staying still so that the lithocarpus polystachyus rehd sweet tea leaves are precipitated, and taking the supernatant as sweet tea solution; (2) selecting yeast fermentation fluid, acetic acid bacteria fermentation fluid and lactobacillus fermentation fluid as fermentation broth; and (3) switching the fermentation fluid into the sweet tea solution, adding sugar, staying still and culturing for 48 to 72h at 30DEG C, and taking filtrate as the lithocarpus polystachyus rehd fermented health drink. The method takes the lithocarpus polystachyus rehd sweet tea as a culture medium to be fermented with lactobacillus, acetic acid bacteria and yeast, and the prepared lithocarpus polystachyus rehd fermented health drink has a plurality of health care functions and natural flavor. The lactobacillus, acetic acid bacteria and yeast that the method adopts can promote human development, improve the immunity and delay the body aging; and the lactobacillus has the effect of antibacterium, intestinal peristalsis promotion, digestion assistance, pathogenicbacteria killing, vitamin and amino acid synthesis in the intestinal tract and the like.
Owner:杭州美澳生物技术有限公司

Method for improving safety ventricular pacing reliability, circuit, storage medium and device

The application relates to the field of a medical apparatus, in particular to a method for improving safety ventricular pacing reliability, a circuit, a storage medium and a device. The method for improving safety ventricular pacing reliability comprises the steps of obtaining average characteristic value of PVC waves and QRS waves; creating a detection window of the PVC waves and the QRS waves; comparing the characteristic value of collection waves with the characteristic value in the window, if yes, triggering VSP pulse, or else, emitting the pulse VP after AVI; and if the VSP pulse for M times is triggered by the QRS waves, enabling the percept sensitivity of the atrium of the heart to be increased by one class. Besides, the application further provides a circuit and device for realizing the method. The relevance of the characteristic value and the average characteristic value of the PVC waves and the QRS waves is detected through a created detection window, the VSP pulse is furtheraccurately triggered, the percept sensitivity of the atrium of the heart is adjusted, the number of times that the VSP is triggered or restrained by errors is reduced, and the VSP triggered reliability is improved.
Owner:SHAANXI QINMING MEDICAL CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products