145results about How to "Reduce maintenance burden" patented technology

High friction and radar attenuating coating formulations are provided and include a resin matrix, a particulate friction additive dispersed in the resin matrix in an amount sufficient to achieve a minimum coefficient of friction according to MIL-PRF-24667B(SH), and a particulate dielectric filler dispersed in the resin matrix in an amount sufficient to achieve a permitivitty (∈′) of less than about 10 and a loss tangent (tan δ) of less than about 0.05. A substrate surface may be coated with the coating formulation so as to provide a topcoat layer thereon. The topcoat layer may thus be applied directly onto the substrate surface. Alternatively, the coating formulation is present as a topcoat layer component of a coating system on the substrate which further comprises an intermediate layer interposed between the topcoat layer and a surface of the substrate and/or a primer layer coated directly onto the surface of a substrate between the topcoat layer and the substrate. In some embodiments, the coating formulation is applied so as to form a series of substantially parallel ridges having a predetermined directional orientation. In certain preferred embodiments, the coating formulation is applied to a block area on the substrate surface comprised of plural areal regions, wherein the directional orientation of the substantially parallel ridges of one areal region are angularly biased with respect to the directional orientation of the substantially parallel ridges of an adjacent areal region.

A DNS server receives from a receiving email system, a DNS query for an email domain stored at the DNS server, the DNS query including identifying information of a sender of an email. The DNS server extracts the identifying information of the email sender from the DNS query and identifies one of a plurality of delivering organizations from the information. The DNS server determines whether the identified delivering organization is authorized to deliver email on behalf of the email domain. In response to determining that the identified delivering organization is authorized to deliver email on behalf of the email domain, the DNS server generates a target validation record based on the identity of the authorized delivering organization and the email domain, the target validation record including one or more rules indicating to the receiving email system whether the delivering organization is an authorized sender of email for the email domain.

The present invention provides a recovery method using extendible hashing-based cluster logs in a shared-nothing spatial database cluster, which eliminates the duplication of cluster logs required for cluster recovery in a shared-nothing database cluster, so that recovery time is decreased, thus allowing the shared-nothing spatial database cluster system to continuously provide stable service. In the recovery method, if a failure occurs in a predetermined node, a second node in a group, including the node, records cluster logs in main memory on the basis of extendible hashing. If the node that has failed recovers itself using a local log, the second node in the group transmits cluster logs in packets to a recovery node that is the failed node. If the recovery node reflects the received cluster logs and maintains consistency with other nodes in the group, the recovery node resumes normal service.

A wireless device includes an imaging unit having an optical axis which is identical to a radio wave direction of a directional antenna, a reference image is stored in a storage unit, a wireless communication device serving as a communication counterpart and an area around the wireless communication device are photographed at regular intervals, and a control unit compares images photographed at regular intervals with a reference image, calculates a degree of similarity through normalized cross-correlation which is hardly influenced by a change in brightness, calculates an index value indicating a state of a region serving as a monitoring target based on a degree of weighted similarity, detects an abnormality when the index value is a specific numerical value or less, and outputs alert information including the photographed image when a state in which the abnormality is detected is continued for a certain period of time.

The invention discloses a communication method of automatic control equipment based on upper and lower computer structures. A template data processing module is arranged in an upper computer system. A query/response mechanism general communication method processing module is arranged in the lower computer system. The template data processing module dynamically generates query/response protocol general communication data in accordance with template data according to a parameter set to external equipment by a user and downloads the general communication data to the lower computer system. The query/response mechanism general communication method processing module reads the general communication data of the corresponding equipment when it is needed, analyzes the data, communicates with the external equipment and returns the received response data to the upper computer system. By using the method of the invention, supports to the new equipment and the new communication protocol can be realized under the condition that system software is not updated so that software updating and maintenance costs after the new equipment is added are greatly reduced, an automatic control mode is flexible and is convenient for capacity expanding.

The invention discloses a data transmission method and data transmission equipment. The method comprises the following steps that: access controller (AC) equipment judges whether a keep-alive message from access point (AP) equipment is received or not; if the keep-alive message from the access point (AP) equipment is received, the AC equipment determines that a controlling and provisioning of wireless access point (CAPWAP) tunnel is normal and acquires a Session ID corresponding to the AP equipment from the keep-alive message; and the AC equipment maintains the information of the CAPWAP tunnel for the AP equipment according to the session ID. The method and the equipment can adapt to different network address translation (NAT) environments and lighten network maintenance burden.

The invention discloses a remote automatic upgrading method for digital monitoring equipment. The method comprises the following two parts: the digital monitoring equipment upgrades a client program, and the central server upgrades a service program. The method comprises the following specific steps: after the monitoring equipment is started, transmitting an inquiry request to a central management server at regular intervals; when the port of the central server monitors that the monitoring equipment requires the inquiry request, upgrading the service program and transmitting the information of the corresponding software to the monitoring equipment; after the monitoring equipment receives the information, comparing the information with the locally stored information; and when the comparison result indicates that upgrading is allowable, requiring the central server to download a corresponding file, covering the file and rebooting the system. The invention has the advantages of simple layout and maintenance, high efficiency and flexibility, can use the mode of regular detection by using the digital monitoring equipment, and does not need too complicated manual intervention.

The invention relates to a building ecological heat-insulation mortar and a preparation method of the heat-insulation mortar, belonging to the technical field of buildings heat-insulation mortar materials. The preparation method mainly comprises the steps of organically combining phase change material, material for regulating environment humidity and adsorbing harmful gas, and foaming heat-insulation inorganic cementing material, and fully building an ecological environment of human and buildings. The raw materials are cheap and easily available, thus being conducive to waste recovery, environment friendliness and energy conservation. The product is convenient to produce, package, store, transport and construct. Heat-insulation inner wall mortar, heat-insulation outer wall mortar, heat-insulation building mortar, heat-insulation floor heating mortar and heat-insulation wall pouring mortar can be prepared by regulating different formulas. The construction modes include manual scraping, pouring and mechanical spraying.

The present invention relates to a telecommunications service provision manager that is configured to allow access to a plurality of telecommunications services to determine the location of a service and control execution of that service.

The invention discloses an automatic mode switching system and an automatic mode switching method for a multifunctional video classroom. Various video resources such as audio and video recorded by standardized electronic examination rooms, security video monitoring in a campus, classroom records and video conferences can be fused to form an integrated streaming media resource system. Meanwhile, system mode switching service can be provided for a user terminal, different system modes can be switched according to time and actual requirements, so that a big video resource pool is formed; different types of streaming media information is provided according to requirements of different time, different scenes and different functions, so that the reusability of front-end equipment is greatly improved, one machine has multiple purposes, the cost is reduced, and the working efficiency of users is improved. Moreover, the system can provide rich external interfaces, can meet specific service applications of different user terminals through customized development, is really close to the campus and the users, and meets education and teaching requirements of education integration and multifunctional fusion applications.

A network system automatically distributes management information to allow immediate monitoring. In the network system, the DHCP server of a network-information management server assigns information to a network-information management table when receiving an assignment request of IP information and network management information from a client. The DHCP client of the client obtains the IP information and the network management information from the DHCP server. The SNMP agent of the client reports to a monitoring server that the network management information has been set. The SNMP manager of the monitoring server determines that the network management information has been set, the monitoring control section of the monitoring server records information of the client in a monitoring control table, and starts monitoring the client.

The invention relates to an RFID-based MODF construction method and a network management system thereof. The method includes the following steps that 1) a radio frequency electronic label is in physical association with the port in an MODF tray support and an optical fiber jumper; 2) an MODF frame is created, a reconstruction process is started, and the radio frequency electronic label and the radio frequency electronic label data are bonded to the port; 3) on-site verification is performed; 4) an optical fiber jumper is set; 5) a work order construction scene is set; 6) equipment maintenance is performed; 7) an inspection scene is set; and 8) an MODF summary is carried out. The network management system includes a personnel management module, a main optical fiber distribution frame building module, a construction engineering management module, a radio frequency chip label management module, a work list management module, an operation management module, a report function module, and a log management module. The RFID-based MODF construction method facilitates the reconstruction and maintenance of stock, and prevents construction personnel from extra burden. The network management system can meet the functional needs and the non-functional needs, is accordant with the practicality principle, meets the need of multiplexing, and improves the work efficiency of development personnel to a large extent.

An ECU detects various conditions of a home fuel gas refining system before starting operation of the home fuel gas refining system using pressure sensors and temperature sensors. Then, it is determined whether the detected conditions are abnormal or not. If abnormal conditions are determined, a self-repair process is performed for a predetermined abnormal condition among the conditions determined as abnormal.

The invention provides an aircraft fuel system comprising a fuel storage facility for storing fuel and ullage, a separate ullage storage facility for storing ullage, and a transfer arrangement for transferring ullage between the fuel storage facility and the ullage storage facility, wherein the transfer arrangement is capable of controlling the transfer of ullage based on a pressure input to the transfer arrangement. The invention also provides an aircraft with such a fuel system and a method of operating an aircraft.

The invention discloses an auxiliary electric motor special for wind power.The auxiliary electric motor comprises a rotating shaft, a bearing, an external bearing cover, an end cover and an internal bearing cover; the bearing is installed on the rotating shaft in a sleeving mode, the internal bearing cover and the external bearing cover are arranged on the inner side and the outer side of the bearing respectively, and the end cover is installed on the external circle of the bearing in a sleeving mode; a grease storage space containing a grease adding channel and a grease discharging channel is formed by the external bearing cover, the end cover and the internal bearing cover in an enclosing mode.The invention further discloses a bearing grease adding method of the auxiliary electric motor special for the wind power.When lubricating grease is initially loaded and the lubricating grease is added again in a wind field, grease adding is conducted when the electric motor rotates.The invention further discloses a wind power unit containing the auxiliary electric motor special for the wind power.By means of the auxiliary electric motor special for the wind power, the bearing grease adding method of the electric motor and the wind power unit, the use requirements of the wind-power auxiliary electric motor on the long guarantee period and high reliability are guaranteed, the special use requirement in the wind field is met, and the auxiliary electric motor special for the wind power is suitable for application and popularization.

The invention discloses an electrical automation teaching simulation control cabinet. The control cabinet comprises a box body, a display device, a heat dissipation device and a dustproof device. Theupper end of the box body is provided with the display device. The right side of the box body is provided with the heat dissipation device. The left side of the box body is provided with the dustproofdevice. The two sides of the inner bottom end of the box body are symmetrically provided with chute tracks. Slide blocks are slidably connected into the chutes of the chute tracks. The upper ends ofthe slide blocks are fixedly connected to the two sides of the bottom surface of a drawer. The structure of the electrical automation teaching simulation control cabinet is simple, and the control cabinet is convenient to move and use so that great convenience is brought for a user; according to a usage demand, through the display device, the multi-angle display of a teaching content is realized;through the heat dissipation device and the dustproof device, the high efficiency heat dissipation and the strict dustproof performance of the device are guaranteed; and the operation efficiency of the device is increased, the service life of the device is ensured, a personnel maintenance burden is mitigated, and the usage efficiency of the teaching control cabinet is increased.

The invention discloses an intelligent monitoring platform for a high-voltage cable terminal. The intelligent monitoring platform comprises a monitoring box, a dampproof structure, a supporting structure, a fixing structure, a surface temperature detection device, an anti-fracture structure, a solar power generation structure and a heat dissipation structure. The intelligent monitoring platform for the high-voltage cable terminal is convenient to install and can be fixed firmly; the normal operation of equipment can be guaranteed through solar power generation, and therefore, the voltage change, electric leakage and surface temperature of the high-voltage cable terminal can be monitored in real time; flickering early warning can be performed for abnormal data; remote transmission and sharing can be realized; great convenience is brought to the use of users; moisture absorption, moistureproofness and good heat dissipation can be achieved for the monitoring box; the heat dissipation structure plays a role of rainwater pouring prevention protection; the breakage and wire fracture of a wire outlet which are caused by the repeated folding of a cable can be avoided; the cable can be stably supported and fixed; influence on monitoring quality caused by the falling-off and deviation of the cable can be prevented; the maintenance burden of personnel is relieved; and monitoring quality is guaranteed.