242 results about "Self maintenance" patented technology

The invention belongs to the field of wireless communication, and particularly relates to a self-upgrade method for equipment in a remote online monitoring system. The method is characterized in that: each piece of terminal equipment performs self-upgrade and self-maintenance through the remote online monitoring system consisting of a terminal table tool, a data acquisition unit and a background server based on a GPRS (General Packet Radio Service). The method mainly comprises the following steps that: the background server manages an application program and version information; the data acquisition unit periodically inquires a version log and downloads a new version program; the data acquisition unit realizes self-upgrade and upgrades the terminal table tool; and after the new version program is updated successfully, skipping is performed and an old version program is still kept for later use. In the method, the GPRS, storage space management, a file sub-package mechanism, a transmission response mechanism, a mode for continuous transmission at break-points and an IAP (Internet Access Provider) program programming mode are combined, and the accuracy and reliability of data transmission are ensured; and under the condition of not influencing normal use of a user, the equipment upgrading and maintaining problems of large quantity and wide distribution are solved quickly and efficiently.

The invention relates to a digital certificate management method and system, belongs to the field of information security, and aims at solving the problem that application for a digital certificate is low in autonomous flexibility and high in cost at present. The method comprises that a block chain application system is established; and a digital certificate management mode including certificate generation, cancellation and update is established. Digital certificates can be managed in a distributed, self-maintenance and auditable manner, and the safety and reliability of the whole digital certificate system are improved. The digital certificate management system comprises a block chain application system establishing module for disposing nodes, each node corresponds to a public and shared account book, and each account book records multiple blocks; and the digital certificate management system also comprises a digital certificate management mode establishing module for carrying out autonomous digital certificate generation, digital certificate cancellation and digital certificate update operations on each account book.

The invention discloses a method and a system for detecting large-scale malicious web pages by using a three-layer parallel architecture and a layered control guarantee method: in the first layer, a plurality of detection servers interconnected via networks are arranged in parallel, so as to construct a detection server cluster, and a task set to be analyzed is set up on one detection server; in the second layer, a plurality of analysis nodes are arranged in parallel in each detection server, and a node cluster monitoring module is arranged so as to monitor and analyze the operating condition of the nodes; and in the third layer, a sandbox environment is constructed in parallel in each analysis node, so as to achieve the paralleled detection of the task to be analyzed. The architecture of the invention ensures the mutual independence and self-maintenance among the detection servers and among the analysis nodes, the overall operation of the system is free from the dynamic expansion of physical hosts and node numbers, and the overall function thereof is not affected by the invalidity of the single analysis node; and various tasks can be detected in a multi-channel and paralleled manner at the same time in the same node, thereby improving the analysis efficiency of the system.

The invention discloses a block chain technology-based electronic intelligent signing payment method and belongs to the technical field of electronic contracts. A device for implementation of the block chain technology-based electronic intelligent signing payment method comprises a public payment block chain layer, an intelligent contract platform layer, a contract creating layer and a contract signing layer; an electronic contract signing link can be effectively integrated with an electronic contract performing (payment) link, and an intelligentization and automation degree of businesses related to electronic contacts can be improved; according to the block chain technology-based electronic intelligent signing payment method, block chain technologies are introduced as an underlying technology, payment flows are unified, and complexity can be lowered; via greater self-maintenance and safety improvement of the block chain technologies than that of other payment means, usability and user experience of whole electronic contract businesses can be improved.

The invention discloses an intelligent bag. The intelligent bag comprises a portable bag, a power source, an intelligent sensor, a network layer, a microprocessor, a man-machine interaction apparatus and an application layer. The intelligent bag is reasonably and effectively integrated with a series of technologies such as navigation positioning, block chains, electronic sensing, data networks, artificial intelligence, distributed calculation, automatic control, machine identification, mobile computation, man-machine interaction and the like and is embedded into a portable terminal so as to improve trip experience of people. An intelligent bag user, as a manager, a supervisor and a user of a peer-to-peer network system in a wireless Ad-hoc network, can perform self-disposition, self-maintenance, self-learning and self-production so that a decentralized self-growing trip database can be constructed. Hopefully, the intelligent bag can be a terminal member of the internet of things of an intelligent city traffic system.

Disclosed is a system comprising: a reconfigurable hardware platform; a plurality of hardware units defined as cells adapted to be programmed to provide self-organization and self-maintenance of the system by means of implementing a program expressed in a programming language defined as DNA language, where each cell is adapted to communicate with one or more other cells in the system, and where the system further comprises a converter program adapted to convert keywords from the DNA language to a binary DNA code; where the self-organisation comprises that the DNA code is transmitted to one or more of the cells, and each of the one or more cells is adapted to determine its function in the system; where if a fault occurs in a first cell and the first cell ceases to perform its function, self-maintenance is performed by that the system transmits information to the cells that the first cell has ceased to perform its function, and then the self-organisation is performed again in order to provide that a second cell undertakes the function of the first cell.

The invention relates to the technical field of ecological restoration of water environment, and especially relates to a biological and ecological restoration system of eutrophic rivers and lakes. Ecological floating beds are laid along a bank, the water surface coverage rate of the floating beds is 15-20%, and each of the floating beds consists of a floating plate, planting baskets, a planting basket filler, floating bed plants, a nylon net, immobilized microorganism particles, a biological filler and artificial waterweeds. The planting baskets are placed in the planting basket holes of the floating plate, the planting basket filler is arranged in the planting baskets, the floating bed plants are planted in the planting basket filler, the nylon net suspends below the floating plate, the immobilized microorganism particles suspend between plant roots, the biological filler suspends below the nylon net, the artificial waterweeds are planted at the water bottom, and submerged plants are properly planted in a water area with two times in the transparency. The system has the advantages of simple and economic carrier, high strength, good durability, reliable planting, natural water ecological landscape, and engineering water quality improvement; and compared with systems in the prior art, the system focuses on the ecological restoration and construction of river and lake water, realizes the self purification, self regulation and self maintenance of pollutants in a certain concentration range, and is an effective way to improve the water quality without all-basin pollutant interception at the present stage.

Security systems may include sensing, networked communications, stealth, alarms, and countermeasures, any or all of which may adapt to threats. These systems may also include armor and barriers of concrete and/or steel. They can adapt to severity of threats, weather, and/or other situational aspects. They can anticipate at least some threats in order to obtain early warning and react more quickly to those threats. They can adapt by altering their configurations, including alterations in communication networking structures and methods, and changes in data-storage and processing duties at processing nodes. Defensive and/or offensive countermeasures can be employed to deter, confuse, trap, and/or disable terrorists. The systems are capable of self-maintenance, self-healing, and self-restoration as threats subside. The systems can include subsystems capable of autonomous operation. At least some of the systems and/or their subsystems are capable of allocating power among subsystems, and of regulating bandwidth utilizations.

To improve efficient use of robots in human-centric environments, robots have to overcome a number of challenges, including mobility challenges, physical interface challenges, self-maintenance challenges, security challenges, and safety challenges. These challenges can be overcome either by adding technology to a robot or by adding infrastructure to a robot's environment.

The invention discloses a virtual network connection configuration realizing method, which comprises the steps that: a virtual network management center obtains medium access control (MAC) authentication request messages initiated by new MAC addresses detected by a self physical interface by an edge switch, wherein the new MAC addresses are generated through virtual memory (VM) shift or creation, in addition, MAC addresses carried in the message and interface messages of the edge switch are obtained, the corresponding network configuration is found in self maintenance VM and virtual switch interface (VSI) type binding information according to MAC addresses, and the found network configuration is issued to a corresponding interface of the edge switch in accordance with the interface information. Based on the same invention idea, the invention also provides network equipment which can accurately shift the network configuration in real time under the condition of simple configuration.

The related adaptive sensor network control system based on multiprotocol communication embedded module structure is self diagnosis, self maintenance and self management. The architecture merges the advanced network and micro-structure software technology, forms the 'micro-structure sensing and controlling integration' mode, belongs to new running mode, new networking mode, and new theory application, and enables the sensor network replace computer network in many fields hopefully.

The invention relates to a low cost cement self-leveling mortar, which does not contain redispersible emulsion, and is doped with zeolite powder, wollastonite powder and fly ash on the basis of a three-phase system containing silicate cement, quick hardening cement and quick hardening anhydrite so as to meet practical engineering needs. The zeolite powder, the wollastonite powder and the fly ash, under the excitation of a cement hydrate, not only have self-maintenance and crack resistance, but also play a role in replacing the cement partially so that the performance of the prepared cement self-leveling mortar is superior to that of the self-leveling mortar added with a large amount of polymer rubber powder, and the cost of the prepared cement self-leveling mortar is comparatively lower.

The invention relates to a wireless earphone and a communication method of the wireless earphone. The wireless earphone comprises two earphones, and the first earphone is configured to establish a first wireless link with another device and transmit related communication parameters of the first wireless link, so that the second earphone can monitor the first wireless link by using the related communication parameters; channel condition information of the first wireless link is acquired and a next frequency band for the first wireless link is determined based on the channel condition information, or the next frequency band for the first wireless link is acquired from another device; audio data is received from another device using the next frequency band via the first wireless link; and therelated information of the audio data is transmitted to the second earphone by using the next frequency band of the first wireless link as the next frequency band through the second wireless link. Thus, the information transmission between the two earphones can follow the frequency hopping of the information transmission between the first earphone and another device, the self-maintenance work ofthe frequency hopping information of each earphone is reduced, the occupation of other channels is reduced, and the interference to other devices is reduced.

The related communication network supports mobile electronic device, comprises document information related with device operation and the visit to network service, and couples with server for device management, client service, supply, diagnosis, download and user self-maintenance. Different document information can be visited/updated in single dialog. The said mobile electronic device can track specific network and device affair to notify server, while the device manufacture and other third-party message can be visited by external entity.

The invention relates to an automatic homeward voyaging method and an automatic homeward voyaging system of an unmanned boat. The automatic homeward voyaging method includes the following steps: 1, recording starting point GNSS (global navigation satellite system) information and standby homeward voyaging point GNSS information during starting; 2, judging the homeward voyaging state according to preset conditions; 3, monitoring new homeward voyaging point GNSS information; 4, judging the homeward voyaging phase according to current local GNSS information and the homeward voyaging point GNSS information; 5, re-planning a homeward voyaging path when the homeward voyaging phase or the homeward voyaging point GNSS information changes; 6, looking for a recovery device in an area of a homeward voyaging point according to a beacon; 7, selecting a navigation control mode according to the homeward voyaging phase of the unmanned boat; 8, correcting the voyage direction according to relative position postures of the unmanned boat and the recovery device until competition of homeward voyaging. The automatic homeward voyaging method and the automatic homeward voyaging system are applicable to two basic situations of returning to a mother ship recovery device and returning to a mother harbor recovery device, an automatic homeward voyaging technology based on a far-to-near rule and with continuously-improved environment sensory ability is achieved through three homeward voyaging phases, three path generation rules and three navigation control modes, and the technology can provide support for follow-up functions (such as self-supply and self-maintenance).

The invention discloses a polyvinyl alcohol film, which comprises the following compositions by weight portion: 10 to 50 portions of polyvinyl alcohol resin, 0.5 to 2 portions of plasticizer, 0.01 to 0.05 portion of defoaming agent, and 0.05 to 0.5 portion of gel intensifier. The invention also discloses a method for preparing the polyvinyl alcohol film, which comprises the following steps: preparing PVA solution by taking the polyvinyl alcohol resin, cosolvent and the plasticizer as main compositions; preparing the solution into a gel film to ensure that the gel film has a stable structure and strong self-maintenance capability before solvent is removed; and removing the solvent progressively through hot air drying, thereby obtaining the polyvinyl alcohol film with excellent performance. The film and the method greatly reduce equipment cost and energy consumption for producing the PVA film, and improve the production efficiency.

A diode-pumped solid-state laser (DPSSL) has self-maintained multi-dimensional optimization. The output property of the DPSSL, including optical power, noise level, and the operation conditions of its individual components, including the drive current and temperature of the laser diode, the temperature of the laser crystals and laser cavity, the drive current of the thermoelectric coolers, is monitored and systematically optimized in real time through automatic electronic control using a microprocessor. Such monitoring and optimization enable the DPSSL to maintain its optimum performance in output power, beam quality, noise level, and stability, throughout its lifetime regardless of component aging and change of environmental conditions. A highly accurate temperature monitoring and control method is also developed.

The invention discloses a remote detection and maintenance information exchange method for agricultural machinery and relates to a vehicle information exchange method. A management center establishes an agricultural vehicle database, a maintenance vehicle database and an agricultural maintenance and diagnosis database; the agricultural vehicle database contains the data on current operation state which is made a timing collection by each agricultural vehicle and is uploaded through wireless communication; the maintenance vehicle database contains the current position data which is made a timing collection by each agricultural vehicle and is uploaded through wireless communication. The management center receives the help information uploaded by the broken-down agricultural vehicle, stores the help information into the agricultural vehicle database, and inputs the help information into the agricultural maintenance and diagnosis database for treatment to obtain a solving prompt which is sent to the agricultural vehicle for self-maintenance, or a maintenance vehicle is selected to send maintenance instructions through wireless communication, the maintenance vehicle uses the position data of the vehicle and the agricultural vehicle to calculate a simple navigation map to quickly find out the agricultural vehicle to maintain. The invention solves the problems that the communication of three parties is complex and the maintenance vehicle is difficult to reach the maintenance location.

Software running on a processor is operable to control the cycled powering down and powering up of components of a self-service terminal (SST) in order to attempt to rectify a fault within the SST without the need to power down the SST core processor. The software can also control the resetting of universal serial bus (USB) ports associated with the components of the SST in order to try and clear faults associated with a communications link between a component and the SST core processor.

The invention provides an iron-based oxygen carrier preparation method which takes iron and aluminium nitrate as raw materials and urea as fuel, and combines the sol-gel method organically with combustion compound method to prepare nanometer-class Fe2O3/Al2O3 oxygen carrier with excellent anti-sintering performance. The iron-based oxygen carrier preparation method fully uses the mixing evenness between a plurality of components in the sol-gel method and the reaction process self-maintenance, quickness and low energy-consumption characteristics in the combustion compound method, easily obtains the used oxygen carrier preparation raw material, has the advantages of low price, simple preparation technology and easy operation, and is suitable for scaled mass production of the oxygen carrier.

The invention provides a method for restoring a slash type degraded wetland. The degraded wetland is restored by adopting one or more of a hydrological connection method, a microrelief transformation method, a matrix recovery method, a vegetation recovery method and a riparian zone slope protection method. According to the specific circumstance of the degraded wetland, the method can comprehensively utilize the whole technical system, and also can separately utilize certain technology. The method improves the landform, a water system, a wetland matrix and the riparian zone environment of the degraded wetland through ecological engineering measures so as to reasonably arrange wetland vegetation from land to open water, construct an optimal wetland vegetation community structure, and effectively improve the stability and the self-maintenance of the degraded wetland.

The invention discloses a digital cluster communication system for private network communication, comprising a terminal and a base station connected with the terminal through an air interface, whereinthe working state of the terminal comprises a transfer state. The terminal receives the signals of the base station and transmits the signals to other terminals or receives the signals of other terminals and transmits the signals to the base station when the terminal works in the transfer state. The terminal can be used as a transfer station so that the communication scopes and capacities of a handset, a car machine and a fixed station in the system are effectively extended. Therefore, the digital cluster communication system 100 for private network communication is suitable for dynamic networks in emergent communication conditions and self-establishment and self-maintenance communication networks when a certain cluster is far away from the base station, and has a large coverage radius.

The invention discloses a method, a device and a system for session information synchronization. The method comprises the following steps: A. when a primary device in a high availability system determines that the heartbeat and an engine of the primary device and a backup device are normal, establishing user data packet protocol (UDP) connection with the backup device; B. synchronizing the session information chosen from the session information in self-maintenance and the session information generated in real time to the backup device; and C. according to the received confirmation information fed back from the backup device, turning to the step B after determining that the backup device receives the chosen session information. According to the scheme, a data structure can be accurately and reliably sent to the backup device, thereby realizing seamless switching and prolonging the continuous operating time of a network security system.

The invention discloses an efficient, energy-saving and land-saving factory circulating water high-density breeding system. The efficient, energy-saving and land-saving factory circulating water high-density breeding system comprises a circulating water breeding pool, a full-automatic back-flushing roller machine filtering machine, a fixed bio-filter bed, an ultraviolet disinfection device, an adjustment pool, an upper movable bio-filter bed, an efficient pure-oxygen mixer, a bio-filter inner-circulation security self-maintenance inoculation-free system and a bypass pipe circulating system. Due to the double bio-filter beds, the purification efficiency can be improved, and the occupied area can be saved. Due to the ultraviolet disinfection device arranged between the double bio-filter beds, efficient disinfection can be achieved, a stable water environment for beneficial microorganism is created for the circulating water breeding pool; due to the bio-filter inner-circulation security self-maintenance inoculation-free system, the stable active biological flora can be kept, and the efficient purification efficiency can be kept; the bypass pipe circulating system can solve the problem caused when medicine is used in circulating water breeding due to the fact that fishes fall ill. The efficient, energy-saving and land-saving factory circulating water high-density breeding system is suitable for high-density breeding of fresh-water and sea-water high-quality varieties.

This invention is related with packages and wrappings in particular, it is referred to a package for the containment and display of products in selling points destined to the final consumer. More particularly it refers to a package-displayer and self-sustainable supplier to transport the product contained from the manufacturer up to the selling points; the self-sustainable package allows its easy disassembling to re-use it by being integrated by an inferior frame formed by four angular elements, horizontal, with the horizontal plane facing inside and in the inferior part, united in their ends by means of iron fittings that comprise horizontal and vertical planes, the iron fitting is at the interior of the vertex uniting the vertical planes of the angular horizontal elements by union means that fix the planes to vertical planes of the iron fittings; in each corner of the frame there is an iron fitting; each iron fitting has two segments, an interior segment separated from the vertical plane of the horizontal angular element, leaving a crack in which one end of the angular vertical element with grooves to surround one of the union means and one segment bordering the vertical plane of the horizontal angular element.

The invention discloses a self-maintenance multi-parameter water quality monitor, which comprises a shell, detection sensors, a monitoring control module and a water injector arranged in a shell body of the shell and used for cleaning the detection sensors, wherein a control terminal of the water injector is connected with a cleaning control terminal of the monitoring control module; the detection sensors are various water quality physical parameter sensors, and signal input/output terminals of all the sensors are connected with corresponding detection ports of the monitoring control module respectively; the monitoring control module is also provided with a communication interface which is in communication with an external upper computer; the shell is provided with an opening, water to be tested outside enters the shell body from the opening of the shell to submerge and contact all the sensors, and the monitoring control module controls the detection sensors to detect and acquire parameter signals of the water quality and then is in communication with the external upper computer through the communication interface; and meanwhile, the monitoring control module controls the water injector to inject water to wash and clean the detection sensors. According to the self-maintenance multi-parameter water quality monitor, the water quality physical parameters are monitored continuously and precisely in an online manner.