31results about How to "Improve reliability and efficiency" patented technology

The invention provides a second-generation identity card-based authentication method and a second-generation identity card-based authentication system. The method comprises the following steps of: A, reading an image stored in a built-in anti-counterfeiting chip of a second-generation identity card to obtain a first image, and performing image acquisition on the face of a card holder to obtain a third image; B, scanning a photo printed on the surface of the second-generation identity card to obtain a second image; C, judging whether similarity between the first and second images is more than or equal to a first preset threshold or not by utilizing a face recognition technology, executing a step D if the similarity between the first and second images is more than or equal to the first threshold, otherwise outputting authentication failure information; and D, judging whether the similarity between the second and third images is more than or equal to a second preset threshold or not by utilizing the face recognition technology, outputting authentication success information if the similarity between the second and third images is more than or equal to the second threshold, otherwise outputting the authentication failure information. By the method and the system provided by the invention, the reliability and efficiency of authentication can be improved.

The embodiment of the invention discloses synchronous method, apparatus and system for a distributed database. The synchronous method of the distributed database comprises the following steps of: updating a local database of a first node by the first node according to a user request, generating a synchronous operation message and sending the synchronous operation message to a central node; updating a central database by the central node according to the synchronous operation message sent by the first node, generating a data synchronous mark, feeding back the data synchronous mark to the firstnode and sending the synchronous operation message and the data synchronous mark to the other nodes; and updating the local database of the other nodes by the other nodes according to the synchronousoperation message. By adopting the embodiment of the invention, the data synchronization of the distributed database is more reliable and more effective.

A current monitoring device (CMD) with a set of electromagnetic field sensors located within one or more grounded housings positioned within the combined electromagnetic fields generated by one or more electric power lines. The CMD includes electronics, typically located within the grounded housings, defining impedance networks that combine the measurements received from the field sensors to create output signal indicative of electric current values for the phase conductors. The housings can be conveniently attached and to transmission line towers, distribution line poles, and high voltage power line supports in transmission and distribution substations. The CMD controls response equipment, such as a circuit interrupter that responds to current disturbances detected by the CMD. The CMD may also include communication for sending the current values to a remote controller, such as a central control station, that implements a wide range of response equipment.

An adaptive coding scheme for nonlinear channels improves reliability and an efficiency in digital communication networks. The method monitors channel statistics to analyze an extrinsic information transfer chart of the channels. The channel statistics are fed back to the transmitter to adapt forward error correction coding. A parametric analysis method uses a Gaussian mixture model. The statistical information feedback can adapt an ARQ sheme by adding a weighted received signal to the original coded signals to reduce nonlinear distortion. Trellis shaping, can make the transmitting signal preferable for nonlinear channels.

System and method to predict maintenance windows, initiate and avoid cleaning cycles of robotic systems that clean solar panels. Using learning algorithms, the system and method is based on collecting, monitoring and conducting trend analysis from data received by the various robotic systems that effect the cleaning cycles, external sensors, sources and feeds.

A system and method use a physical unclonable function in a PUF circuit on an integrated circuit to generate a security key, and stabilize the security key by storage in a set of nonvolatile memory cells. The stabilized security key is moved from the set of nonvolatile memory cells to a cache memory, and utilized as stored in the cache memory in a security protocol. Also, data transfer from the PUF circuit to the set of nonvolatile memory cells can be disabled after using the PUF circuit to produce the security key, at a safe time, such as after the security key has been moved from the set of nonvolatile memory cells to the cache memory.

Embodiments of the present invention provide a method for obtaining configuration data and a method for providing configuration data, a base station device, and a network management system, where the method for obtaining configuration data includes: obtaining, by the base station device, site identifier information of a site where the base station device is located; sending, by the base station device, the site identifier information to a network management system; and receiving, by the base station device, configuration data corresponding to the site identifier information and sent by the network management system, where the configuration data is obtained by the network management system according to a correspondence between the site identifier information and the configuration data.

The invention discloses a water treatment method of a directional self-repairing flat-plate ceramic membrane assembly. The water treatment method comprises the following steps: firstly, arranging nanocatalytic type titanium dioxide asymmetric separation membranes on the surfaces of flat-plate ceramic membranes; then assembling the flat-plate ceramic membranes to form a flat-plate ceramic membraneassembly; arranging a rotary hairbrush capable of randomly scrubbing the flat-plate ceramic membrane surfaces up and down between the flat-plate ceramic membranes in the flat-plate membrane assembly;arranging an ultraviolet generation device between the flat-plate ceramic membranes; adding ozone and H2O2 into a medium for backwashing. According to the water treatment method of the directional self-repairing flat-plate ceramic membrane assembly, microorganism bacteria and organic matters on the surfaces of the membranes can be directionally killed and decomposed and rapidly degraded, so thatmembrane pollution can be effectively reduced and the number of times of backwashing and the backwashing frequency are greatly reduced. The effective working time of equipment is greatly prolonged andthe water flux in unit time is greatly increased; the water flux is increased by 30 percent or above under the same condition. Organic matters, oil stain, bacteria and the like on the surfaces of themembranes are randomly and directionally decomposed in time and the surfaces of the membranes keep clean so that the filtering effect and the filtering efficiency are improved.

The invention provides a data communication method, a terminal and information security equipment. The method includes the steps that the terminal obtains the terminal type; if an encoding mode corresponding to the terminal type is found, a first audio data package is encoded by the terminal in the encoding mode corresponding to the terminal type; otherwise, a second audio data package is encoded by the terminal in at least two encoding modes different from each other, and at least two encoded second audio data packages are sent to the information security equipment through an audio interface; the encoded second audio data packages are decoded through the information security equipment; the bit error rate of each second audio data package is calculated, and mark information of a target encoding mode is sent to the terminal; the target encoding mode is the encoding mode which is adopted for the second audio data package with the lower bit error rate; the first audio data package is encoded in the target encoding mode by the terminal; the encoded first audio data package is sent to the information security equipment by the terminal through the audio interface.

A flutter control system for a turbine includes a processor. The processor is configured to detect blade flutter of a turbine. The blade flutter indicates that blades of the turbine are in a deflected position different from a nominal operating position. The processor is configured to control operational parameters of the turbine that reduce or eliminate the blade flutter to improve the reliability and efficiency of the turbine.

A medical device comprising a cell including an ablation element and a carrier configured to receive at least a portion of said ablation element is disclosed. The medical device further comprises a tube enclosing the cell. At least a portion of the tube includes a membrane and the tube includes at least one hole proximate the ablation element for facilitating fluid flow. The medical device further comprises a fluid inlet for providing fluid to the interior of the tube. A method of using the medical device is also disclosed.

An adaptive coding scheme for nonlinear channels improves reliability and an efficiency in digital communication networks. The method monitors channel statistics to analyze an extrinsic information transfer chart of the channels. The channel statistics are fed back to the transmitter to adapt forward error correction coding. A parametric analysis method uses a Gaussian mixture model. The statistical information feedback can adapt an ARQ sheme by adding a weighted received signal to the original coded signals to reduce nonlinear distortion. Trellis shaping can make the transmitting signal preferable for nonlinear channels.

The invention relates to a hydraulic cylinder for adjusting the axial position of a piston and a cylinder body through a spherical surface, which is characterized by comprising a piston rod, a piston, a second sealing ring, a cylinder barrel, a guide block and an adjusting ball, wherein the cross section of the piston is in a shape like a Chinese character 'ao', the cross section of the cylinder barrel is in a shape like Chinese character 'shan', the piston rod is connected with the piston, the piston is matched with the cylinder barrel, the surface of the inner side of the piston is in clearance fit with the guide block so that the piston can do reciprocating motion along the excircle of the guide block, the surface of the outer side of the piston is contacted with the second sealing ring arranged in the groove of the inner side of the cylinder barrel, the adjusting ball is fixed at the middle projection part of the cylinder barrel, and the adjusting ball and the incircle of the guide block are in spherical surface contact so that the guide block and the adjusting ball relatively rotate. According to the invention, the power consumption can be reduced, and the utilization efficiency and the reliability are improved.

The invention relates to a shredding device for a maize harvesting machine impurity removal draught fan. The shredding device comprises a discharging opening, a bolt, a nut, a gasket, a fan blade seam, a draught fan shell seam, an axle nut, an axle gasket and a shredding blade. The discharging opening and the fan shell seam are connected through the bolt, the nut and the gasket. The fan blade seam is installed inside the fan shell seam. The fan blade seam is composed of four rotating vanes, four rotating blades and a rotating shaft, the four rotating vanes are uniformly arranged on the rotating shaft in the circumferential direction, the four rotating blades are installed on the four rotating vanes respectively, one end of the rotating shaft penetrates through a lower flange in the fan shell seam to be connected with a motor, the other end of the rotating shaft is provided with the shredding blade, and the shredding blade is fixed through the axle nut and the axle gasket. Due to the fact that maize straw and other impurities are cut through the shredding blade and the rotating blades two times, particles become finer and smaller, the field returning effect is better, the impurity removal draught fan is not likely to be blocked, the number of impurities entering a peeling machine is small, the service life of the peeling machine is prolonged, and economic benefits are created.

The invention discloses an extensible distributed redundancy unmanned aerial vehicle intelligent flight control computer, which is characterized in that a distributed system adopts a hardware similar redundancy form; the system is composed of a redundancy flight control module node taking an XCZU7EV device as a carrier, a redundancy comprehensive information processing intelligent calculation module node taking the XCZU7EV device as a carrier, and a group of dual-channel FlexRay redundancy time trigger buses. A time-sharing partition mapping strategy based on task division is adopted, multiple tasks are efficiently mapped, intelligent processing highly related to a control law and a decision is distributed to a flight control module, and intelligent processing related to intelligent perception is distributed to a redundancy comprehensive information processing intelligent calculation module. An open and comprehensive information processing comprehensive design method is provided and realized, integrated comprehensive information processing of flight control, navigation calculation and atmosphere data calculation is realized, and a fault-tolerant design method based on dual-core self-monitoring is provided and applied to prevent Byzantine faults.

A method of operating a memory system including a memory device, including in response to a write request of a host, storing write data and a physical address received from the host in a buffer; performing a write operation on the memory device based on the write data and the physical address; based on a write error corresponding to the write data occurring, asynchronously providing the host with error occurrence information; and providing the host with the write data having the write error and information used for a recovery from the write error.

The invention provides a preparation method and application of an antibiotic solid-phase extraction material, firstly, rape pollen is soaked in an aluminum nitrate solution through an impregnation method, and after drying, an Al2O3-C template with a developed pore structure is prepared through a calcination method; then, an Al2O3-C template is used as a matrix for loading LDH, layered LDH is intercalated to the surface of a biological template, and Al2O3-C coated NiAl-LDH is prepared; and finally, the material is calcined in a muffle furnace, and the composite material Al2O3-C-coated NiAl-LDO with the 3D flower-shaped structure is prepared. The material is stable in property and has good adsorption capacity to the quinolone antibiotics, the maximum adsorption capacity to the quinolone antibiotics is 52.28-64.08 mg / g, the recovery rate can reach 76.4-91.2%, the preparation process is simple, and conditions are mild. The material is used as a solid-phase extraction material to enrich, separate and detect the quinolone antibiotics in a complex matrix, so that the separation selectivity and the detection sensitivity of the quinolone antibiotics are further improved, the efficiency and the reliability of enrichment treatment are improved, the detection process is simple and reliable, the organic solvent is saved, and the material can be repeatedly used and is environment-friendly.

The invention relates to a water extinguishing system (1) with a fluid supply (20), a pump (30) and a test line (40) with an opening element (2) which is configured to open the test line (40) during a test run of the pump (30). According to the invention, the test line (40) further comprises a closing element (4) which is configured to close the test line (40) if the water extinguishing system (1) is triggered.

The embodiment of the invention discloses an impeller state detection method, device and system of a wind generating set. The impeller state detection method comprises the steps that an impeller rotating speed signal and a converter rotating speed signal of an impeller of the wind generating set are obtained; and judging whether the impeller is abnormal based on the difference between the impeller rotating speed signal and the converter rotating speed signal. According to the impeller state detection method of the wind generating set, the impeller rotating speed signal and the converter rotating speed signal are compared and processed, and the impeller rotating speed signal and the converter rotating speed signal are compared and processed according to the difference between the impeller rotating speed signal and the converter rotating speed signal by utilizing the early failure characteristic of movement or tremor of an impeller system; and abnormal early warning and health state monitoring of the impeller system are realized. the health state of the impeller system can be judged before the impeller system has a destructive fault, so that maintenance personnel in a wind power generation site are guided to perform predictive maintenance on the wind generating set, and the reliability and the use efficiency of the wind generating set are improved.

A method for associating users based on group evaluation includes calculating and publishing match information of first user and second user according to requirement information of first user, characteristic information of first user, requirement information of second user and characteristic information of second user; calculating matching information of first user and second user according to requirement information of first user, characteristic information of first user and characteristic information of second user; receiving evaluation information of matching information of the first user and the second user by the third user group; calculating a matching degree value of the first user and the second user according to the evaluation information; when the matching degree value is greaterthan the matching threshold value, recommending the first user to the second user and / or the second user is recommended to the first user. The invention has the following advantages: compared with the off-line activities recommended by acquaintances, the making-friend circle is enlarged; for the existing main network marriage platform, dating platform, the implementation of decentralized recommendation, improves the credibility and efficiency; lower user participation threshold in terms of guest access and fees can be obtained; the authenticity is improved.

The invention relates to a water extinguishing system (1) with a fluid supply (20), a pump (30) and a test line (40) with an opening element (2) which is configured to open the test line (40) during a test run of the pump (30). According to the invention, the test line (40) further comprises a closing element (4) which is configured to close the test line (40) if the water extinguishing system (1) is triggered.

A system and method use a physical unclonable function in a PUF circuit on an integrated circuit to generate a security key, and stabilize the security key by storage in a set of nonvolatile memory cells. The stabilized security key is moved from the set of nonvolatile memory cells to a cache memory, and utilized as stored in the cache memory in a security protocol. Also, data transfer from the PUF circuit to the set of nonvolatile memory cells can be disabled after using the PUF circuit to produce the security key, at a safe time, such as after the security key has been moved from the set of nonvolatile memory cells to the cache memory.