78results about How to "Build reliable" patented technology

The invention discloses a reliable IKE message negotiation method, a device and a system thereof, wherein, the method is applied to a system comprising first equipment and second equipment. The method comprises the following steps: a. the first equipment judges whether a response message from the second equipment is received within a preset cycle after the first equipment sends a last negotiation message to the second equipment; and b. if the response message from the second equipment is judged to be received within the preset cycle, the first equipment establishes a security alliance (SA) immediately. The method, the device and the system can guarantee reliable establishment of IKE SA and IPsec SA and reliable transmission of data message encrypted according to an IPsec Protocol when a network is in poor state, and the last message of message negotiation in a first stage or a second stage of the IKE misses or is delayed.

This invention discloses one method and agent servo to search interface controller in wireless local network, which comprises the following steps: firstly, the local network comprises one interface point to receive CAPWAP message from interface point; then receiving said CAPWAP message and selecting one interface controller IP address according to the interface controller IP address and sending it to the controller.

The invention discloses a self-resetting energy dissipation system with a fabricated frame structure and a construction method of the self-resetting energy dissipation system. The self-resetting energy dissipation system includes a prefabricated column connected with a foundation, a prefabricated reinforced concrete cross beam, a prefabricated reinforced concrete beam column sub-structure and dryconnection, and further includes a self-resetting energy dissipation device arranged between interbedded prefabricated frames; and the dry connection includes friction-type high-strength bolt connection between columns and pin shaft connection between beam-beam artificial plastic hinge connecting nodes. The invention further discloses the construction method for the self-resetting energy dissipation system with the fabricated frame structure. According to the self-resetting energy dissipation system with the fabricated frame structure and the construction method of the self-resetting energy dissipation system, the shortcomings of current prefabricated structural systems are overcome, and an anti-seismic target of 'strong column and weak beam, strong node and weak component' is realized; through reasonable arrangement of the self-resetting energy dissipation device, the energy dissipation capacity of the structural system is enhanced, residual deformation of the structure is effectivelyreduced or avoided, and the allimportant social value and economic significance for effectively mitigating earthquake disasters in high-intensity areas are achieved; and meanwhile, the construction process is simplified, the construction quality is guaranteed, practicality is high, and use and promotion are convenient.

An inductor device includes a first magnetic body pattern layer in which slits are provided and which is made to a pattern, a lower insulating layer formed on the first magnetic body pattern layer, a planar coil layer formed on the lower insulating layer, an upper insulating layer formed on the planar coil layer, and a second magnetic body pattern layer formed on the upper insulating layer and in which slits are provided and which is made to a pattern, wherein the first magnetic body pattern layer and the second magnetic body pattern layer are arranged to intersect orthogonally with the planar coil layer.

An embodiment of the invention provides an advanced treatment device and method for dejectas collecting wastewater in a high-speed train. The device comprises an electrochemical-ozone composite catalysis unit, an ozone-activated carbon secondary catalysis unit, an ozone generation unit and an ozone detection unit, wherein the electrochemical-ozone composite catalysis unit comprises a barrel-like titanium-based coating anode, a catalyst filling type stainless steel aeration cathode and a pulsed direct-current power supply; the ozone generation unit adopts a low-energy-consumption plate type ozone generator and a micro-nano bubble generation device to reinforce ozone mass transfer. The dejectas collecting wastewater in the high-speed train is treated by the composite catalysis unit and the secondary catalysis unit sequentially, efficient, rapid and safe treatment of routine indexes and novel drug type pollutants in the dejectas collecting wastewater is realized, and treated effluent meets reuse requirements. The advanced treatment device and method have the characteristics of high yield of hydroxyl radicals, high oxidizing capacity, concise structure, modular design, easy popularization and the like and can be used for pretreatment or advanced treatment of refractory organic wastewater.

The invention provides a lane keeping aiding method and system based on car networking and vehicle-mounted road recognition. The method includes the steps that a road image is collected; a lane mark is extracted according to the road image; whether or not the lane mark is complete and effective is judged, and if yes, a lane model is established according to the lane mark; if not, communication with a network-side car networking road information service system is established; vehicle position information is collected, and lane information of the position of the vehicle is acquired from the network-side car networking road information service system according to the vehicle position information; a lane model is established according to the lane information; the lane offset is calculated according to the lane model, and a lane keeping aiding control signal is generated according to the lane offset. The method can improve the reliability of the lane keeping aiding system.

The present invention is a loading dock rail shelter with an inflatable canopy and a dual stabilizing and passive retraction support assembly. The canopy has an outer end that moves between inflated and retracted positions. The support assembly includes a rigid frame secured around the perimeter of the canopy, and a pivoting support mechanism that allows the frame to ride with the canopy while supporting and guiding the canopy. The shelter has a lower panel assembly that close the bottom of the canopy. The lower panel has lateral support rods and a front panel support assembly secured to the frame. The support assembly supports the canopy and its lower panel so they do not drag along the ground. The rigid frame stabilizes and guides the inflating canopy to seal around a railcar doorway. The support assembly and frame swing back to passively retract and hold the canopy against the building.

The invention discloses a power environment monitoring system, mainly applied to the mobile communication field. The power environment monitoring system comprises a central machine room SDH device, aplurality of monitoring point SDH devices, front-end processors connected in parallel with the central machine room SDH device, and monitoring units connected in parallel with the monitoring point SDHdevices, wherein the central machine room SDH device and the monitoring point SDH devises devices are connected to form an SDH access in a ring shape or link shape, the SDH circuit is provided with aspecial link for transmitting monitoring data, and each monitoring unit copies the self-obtained monitoring data to a specified time slot of the specific link and then transmits the data to the front-end processors. The power environment monitoring system is designed to save the resource of transmission circuits of the power environment monitoring system in maximum and fully utilizes the characteristic that the monitoring unit extracts the time slot to build safe, reliable and highly efficient network structure of the power environment monitoring system.

The invention discloses a multi-information fusion sign language translation system, and the system takes Raspberry Pi and Android as the basic main control parts, and detects the bending degree of a finger through a flexibility sensor of the system. Meanwhile, an MPU6050 posture detection module is used for recognizing the movement state of a hand, so as to deduce the posture of the hand and an elbow. Finally, a voice module is used for expressing the speech. Meanwhile, a brain wave collection module collects alpha and beta waves transmitted by a brain, calculates the concentration degree of the brain and the emotion, enables the voice broadcast to have the human feelings, and enables the expression to be vivid and humanized.

A polymer electrolyte fuel cell comprises an electrolyte membrane-electrode assembly, a pair of conductive separator plates sandwiching the electrolyte membrane of the electrolyte membrane-electrode assembly, and a pair of sealing means sealing between the electrodes of the electrolyte membrane-electrode assembly and the separator plates. The pair of sealing means is constituted by combination of a flat sealing member having a flat portion in flat contact with the electrolyte membrane and of a linear sealing member having a rib in linear contact with the electrolyte membrane, and at least part of the rib is in the form of falling in the direction to the electrode when the electrolyte membrane, the pair of electrodes and the pair of separator plates are stacked to be cramped. This makes it possible for the fuel cell to have an excellent sealing property and a stable output characteristic.

The invention discloses a hydraulic pressure testing system of a high-pressure hydraulic pump and a testing method. The hydraulic pressure testing system comprises a tested high-pressure hydraulic pump, a digital pressure adjusting valve, a liquid box, a high-pressure energy storer, a low-pressure energy storer, an energy storer switching device, a pressure sensor and a control part. An outlet oilway of the high-pressure hydraulic pump is connected with the high-pressure energy storer in parallel; the low-pressure energy storer communicates with an outlet oil way of the tested high-pressure hydraulic pump through the energy storer switching device; and oil drained by the tested high-pressure pump is returned to the liquid box after passing through the digital pressure adjusting valve. Thedigital pressure adjusting valve achieves an effect of adjusting the outlet pressure of the tested high-pressure hydraulic pump so as to verify performances of the tested high-pressure hydraulic pumpunder different pressure conditions.

A multi-unit system combines multiple single bed reversing blower vacuum swing adsorption air separation units together. The units feed a common O₂ supply such as a system buffer tank. Demand is monitored and a number of individual units are brought online sufficient to meet demand. If demand exceeds supply, a further unit is brought online. If demand drops below supply by an amount greater than output of a single unit, then a longest operating unit is taken offline. The multi-unit system thus meets demand through utilization of multiple separate units in a highly redundant and highly reliable and scalable fashion.

The invention discloses a method for establishing a virtual experiment digital pavement based on pavement scanning data and a storage medium. The method comprises: firstly, scanning a test road by utilizing three-dimensional scanning equipment to obtain three-dimensional scanning point cloud; secondly, approximating a road center line by using a fitting curve function, creating two-dimensional curve regular grid points, and then calculating an elevation value of each grid point by using a discrete data point interpolation method; and finally creating a CRG road surface model corresponding to atest road based on the three-dimensional grid points. According to the method, the road surface characteristics such as unevenness, gradient and road center line of a real test road are completely reserved, and the test road in a test field can be converted into a digital road surface. According to the invention, a test road in an actual automobile test field can be digitally processed and converted into a road surface model which can be used as simulation input of a virtual test field.

A heating apparatus with radiant tubes includes a burner of a gas-combustion air mixture, the burner being adapted to produce high temperature combustion products. These combustion products are introduced into a closed circuit with radiant tubes. In a closed circuit, these combustion products heat a carrier fluid, which is circulated at low pressure under the action of a fan arranged upstream of the burner. The equipment is provided with regulating means, including a regulating valve for gas flow. The regulation of the regulating valve is directly controlled by at least one pressure value detected in the combustion chamber which at the same time determines the forced intake of the combustion air flow.

The invention discloses an efficient wireless seismic data transmission protocol design method based on LoRaWAN. The method comprises spread spectrum factor distribution based on a transmission weightand transmission time sequence distribution based on a hash function; the spread spectrum factor distribution is characterized in that a coarse-grained adjustment spread spectrum factor is adopted ata seismograph terminal, a gateway performs fine-grained adjustment by referring to the primary distribution result of the seismograph terminal to realize collision weight balance of channels with different spreading factors; and the transmission time sequence distribution is characterized in that according to the built-in GPS high-precision time service of the seismograph, hash function mapping is used for endowing the seismograph with a sending time sequence, uncertain collision is converted into deterministic collision, and large-scale and reliable wireless seismic data transmission networkconstruction is achieved. The method has the advantages that through the technical scheme, the network capacity can be effectively expanded, the data extraction rate of the network is improved, and the problems of data conflicts and network delay existing in a traditional method can be solved.

The invention provides a data operation management system supporting city operation service and a method for constructing the same. The system comprises a data center, a data asset management platform, a data asset operation platform and a user application platform, and the data center is used for obtaining city data resources; the data asset management platform is used for carrying out data processing on the city data resources to form a standard classification data set corresponding to the city data resources; the data asset operation platform is used for processing the standard classification data set to form a business platform data set corresponding to the standard classification data set; and the user application platform is used for providing business services corresponding to the business platform data set for users. According to the invention, the platforms in the management system are communicated with one another, so that city data resources can be communicated and shared, repeated construction of each application system of a city is avoided, and sharing of the city data resources is realized.

The invention discloses a combined preparation for constructing a mouse cis-platinum inner ear injury model, the combined preparation comprises a cis-platinum injection and a furosemidum injection, the weight ratio of the cis-platinum in the cis-platinum injection to a laboratory mouse used for establishing the inner ear injury model is 0.4-1 mg/kg, and the weight ratio of the furosemidum in the furosemidum injection to the laboratory mouse used for establishing the inner ear injury model is 200-400 mg/kg. The invention further provides a method for constructing the mouse cis-platinum inner ear injury model by using the combined preparation. The combined preparation can establish the stable reliable mouse cis-platinum inner ear injury model, and the construction method is simple and is easy to operate.

The embodiment of the invention provides a reliable method and device for identifying security attributes of application programs. The device comprises a feature file receiving module, a judging module, a second service end identifying module and a reference database identifying module, wherein the feature file receiving module is suitable for receiving feature files of the application program submitted by a terminal; the judging module is suitable for judging whether a second service end can be connected or not in current, if so, the second service end identifying module is executed, and if not, the reference database identifying module is executed; the second service end identifying module is suitable for acquiring the security attributes corresponding to the application program according to the feature files through accessing the second service end; and the reference database identifying module is suitable for accessing a reference database preset at a first service end, and acquiring the security attributes corresponding to the application program according to the feature files. The reference database is preset by the following modules: a loading module and a storing module, wherein the loading module is suitable for accessing the second service end and loading the reference database; the storing module is suitable for storing the reference database at the first service end; and the reference database is updated by means of offline loading.

The invention discloses an intelligent operation and maintenance management system for a passenger train. The system comprises a cloud operation and maintenance layer, a fog end operation and maintenance layer and an object end operation and maintenance layer and is an intelligent system of a three-level hierarchical structure. The cloud operation and maintenance layer summarizes and processes the data of lower-level operation and maintenance layers to perform accurate reasoning, judgment and prediction; the fog end operation and maintenance layer receives, summarizes and standardizes train detection data managed by each railway bureau, coordinates each specialty and forwards the summarized data to an upper-level structure; The object end operation and maintenance layer monitors running vehicle data in real time through a monitoring device and a sensor and summarizes the running vehicle data to a vehicle section operation and maintenance subsystem. With the intelligent operation and maintenance management system for the passenger train adopted, the data communication and sharing of the passenger train from links of equipment production, goods transportation, maintenance and fault diagnosis are realized; the comprehensive coordination and cooperation of all departments are also realized; a problem of information barriers among all specialties of a conventional railway is solved; an integrally cooperative intelligent operation and maintenance system is built; the operation and maintenance efficiency of the passenger train is improved.