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493 results about "Maintenance mode" patented technology

In the world of software development, maintenance mode refers to a point in a program's life when it has reached all of its goals and is generally considered to be "complete" and bug-free. Continued development is deemed unnecessary or ill-advised, but occasional bug fixes and security patches are still issued, hence the term maintenance mode. Maintenance mode often transitions to abandonware.

Virtual maintenance distribution interactive simulation support platform of large equipment and collaborative maintenance method

The invention relates to a virtual maintenance distribution interactive simulation support platform of large equipment and a collaborative maintenance method. Combined hierarchical structure and modular design are adopted, a general service program is provided for various types of simulation application by a bottom-layer standardized communication protocol to realize data communication and interaction control among different software and hardware function modules; the virtual maintenance distribution interactive simulation support platform is composed of a simulation operation management module, a fault maintenance simulation module, a maintenance operation module and a basic function module for visual scene simulation; the platform captures the operation input, the body gesture and the hand space action data information of each training person by standard peripheral equipment and VR (Virtual Reality) interactive equipment; different collaborative maintenance modes are set, and various three-dimensional solid models in the virtual maintenance environment are driven; and collaborative interactive simulation and state information are updated in real time to realize the operation cooperation and the motor coordination in the collaborative maintenance process. The virtual maintenance distribution interactive simulation support platform has the advantages of good popularity, expansibility, instantaneity and illusion of immersion, and can support the simulation training of collaborative maintenance tasks of multiple maintenance personnel on different stations of large equipment.
Owner:PLA SECOND ARTILLERY ENGINEERING UNIVERSITY

Condition-maintenance-mode city rail vehicle auxiliary maintenance system

A condition-maintenance-mode city rail vehicle auxiliary maintenance system is characterized in that a city rail vehicle condition monitoring module is used for receiving and synthesizing data related to operation and maintenance, performing data screening and calculation on the basis of the data related to maintenance to form key data related to maintenance, and receiving and storing diagnosing and potential safety hazard data provided by a vehicular diagnosing mainframe and a city rail vehicle potential safety hazard mining server; a safety evaluation module is used for performing city rail vehicle safety evaluation on the basis of the condition monitoring data, and performing fault analysis, potential safety hazard information screening and service life evaluation aiming at the key parts of a city rail vehicle at the same time; a maintenance redundancy design module performs maintenance scale estimation and maintenance cost estimation aiming at the evaluation results and provides reports, operation and maintenance staff makes maintenance decisions, and a resource optimization allocation module provides system urgency and time estimation at the moment; a maintenance plan making module provides interfaces allowing the operation and maintenance staff to perform fine adjustment and makes maintenance plans for vehicle maintenance according to selections.
Owner:GUANGZHOU METRO GRP CO LTD +1

Quick start method and system of combined cycle unit

The invention relates to a quick start method and system of a combined cycle unit, which mainly detect and control the PH value of the condensed water by controlling the dissolved oxygen in the water and steam of a thermodynamic system and controlling the dissolved oxygen corrosion according to the relationship among temperature, pressure and content of dissolved oxygen of water and steam, by setting the content of dissolved oxygen in the condensed water to be less than or equal to 50microgram / L and by setting the content of dissolved oxygen in the water feed to be less than or equal to 15microgram / L, and adopts the combined deoxygenization manners of condenser vacuum deoxygenization and chemical dosing deoxygenization, and optimized operation mode and maintenance mode to ensure that the oxygen content in the condensed water in the combined cycle unit reaches the standard so as to avoid oxide etch of the metal due to that the oxygen content in the condensed water of the unit is excessive. The quick start system used for the combined cycle unit comprises a condenser; the water outlet of the condenser is connected with the input end of a condensed water flow meter through a condensed water pump and a shaft-sealing cooler; one loop of the outlet end of the condensed water flow meter is communicated with a boiler of the combined cycle unit through a condensed water cut-off valve, and the other loop is connected with a water return port of the condenser through a recycle cut-off valve and a recycle control valve; and a steam outlet of the condenser is connected with a vacuum pump through an air valve. The quick start method and system have the advantages that the overall structure of the thermodynamic system is simplified and the reliability and the economical efficiency of the system are improved.
Owner:SHENZHEN GUANGQIAN ELECTRIC POWER

Preparing method of nano-modified high permeability resistant concrete

InactiveCN107032734ATake full advantage of stackingGive full play to the synergistic effectSolid waste managementChipsealSlag
The invention relates to building material engineering, and aims at providing a preparing method of nano-modified high permeability resistant concrete. The preparing method comprises the steps of conducting dry stirring on cement, sand, gravel, fly ash, blast-furnace slag powder and silica fume, and mixing the mixture evenly; mixing a nanometer additive, a water reducing agent and water which accounts for half the weight evenly, and adding the nanometer additive, the water reducing agent and the water which accounts for half the weight into the mixture for stirring; then adding the water which accounts for the other half the weight and continuing to conducting mixing; conducting discharging, and putting the new mixture into molds; conducting maintenance according to a conventional maintenance mode after removing the molds to obtain the nano-modified high permeability resistant concrete. According to the preparing method of the nano-modified high permeability resistant concrete, the limitation of the influence of a single mineral component on the performance of the concrete is solved, through the combination of the multifunctional composition, the effect of function superposition and synergy is achieved, the composite multifunctional composition can effectively optimize the concrete structure grain composition, and by optimizing the internal pore structure of the concrete, the aim of improving the permeability resistance is achieved. The grain composition optimization is conducted on the concrete structure by utilizing the nanometer additive, the high activity and the microcrystal nuclear effect of nano-particles are given full play to at the same time, and the permeability resistance of the concrete structure is improved.
Owner:ZHEJIANG UNIV

Enterprise self-help informationization construction system and method

The invention relates to an enterprise self-help informationizaton construction system and a method applied to the enterprise self-help informationization construction system industry. The enterpriseself-help informationization construction system comprises an enterprise outside management subsystem, an enterprise inside management subsystem, a preformed interface module, a computer device, a server group and a communication and network device; the enterprise outside management subsystem is used for erecting an enterprise outbound interactive platform; the enterprise inside management subsystem is used for enterprise inside cooperated work; the preformed interface module is used for adding a new function module capable of coupling to a system; and the communication and network device is used for connecting the server group with the computer device to build a communication network. The invention has higher commonality and compatibility to an enterprise informationization system, can improve the adaptability and high efficiency function combination of the system, achieve the synchronous sales publicity with enterprises products, is practical and uncomplicated in operation and maintenance modes, and allows nonsoftware enterprises and nonsoftware developers to self complete business platform and enterprise informationization construction.
Owner:SHENYANG ZHIMAKAIMEN TECH
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