Termites have always been one of the major hidden dangers to the operational safety of dams. Traditional detection methods such as manual inspection and termite baiting have limitations in terms of efficiency and accu...
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In article it is executed comprehensive and systematic the analysis of objects of transport infrastructure of the megacity. The research of emergence and functioning of systems of automation on constructions of St. Pe...
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A common torsional vibration sensing method in rotating equipment is the Time Interval Measurement System (TIMS). The method utilizes the time passage of discrete intervals on a rotating element from an incremental ge...
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The C-130 Hercules has been a workhorse for the U.S. Air Force for decades and is projected to continue to accrue flight hours for years to come as a highly capable platform utilized for numerous mission profiles. In ...
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The C-130 Hercules has been a workhorse for the U.S. Air Force for decades and is projected to continue to accrue flight hours for years to come as a highly capable platform utilized for numerous mission profiles. In the past few years, many C-130 aircraft have developed fatigue cracks in the center wing box rainbow fittings. These cracks can be a significant flight safety risk, when the damage is extensive. In order to detect the existence of cracks in the rainbow fittings so that they can be repaired, implementation of labor intensive eddy current nondestructive inspection technology has been used to assess the condition of each aircraft on a scheduled basis. The Air Force is interested in the development and application of alternative fault detection techniques that are less time demanding to implement by the maintainers, while providing a high damage detection probability. Additionally, the future capability to embed effective rainbow fitting fault detection capability into the aircraft as an integrated systems health management (ISHM) solution is also desired.
Integrated System Health Management (ISHM) is an enabling technology for unmanned and autonomous systems, permitting increased autonomy, allowing operators to control or manage the operation of multiple platforms simu...
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ISBN:
(纸本)1563478935
Integrated System Health Management (ISHM) is an enabling technology for unmanned and autonomous systems, permitting increased autonomy, allowing operators to control or manage the operation of multiple platforms simultaneously, and reducing the cost of operating and maintaining the platforms. Furthermore, as unmanned systems become standard equipment, the ability to monitor and manage system health is not just an enabling technology, but is required in order to meet platform availability and supportability goals. Unmanned and autonomous systems can leverage developments in ISHM for manned systems, but also have unique requirements that affect the selection of hardware, the strategy for collecting and processing data, and the integration of health-related information with platform command and control systems. This paper compares ISHM requirements, monitoring techniques, and system implementation and integration issues in manned and unmanned platforms.
Integrated System Health Management (ISHM) technologies have been developed to address safety, replace time-based maintenance with condition based maintenance, and to reduce life cycle costs. Traditional space system ...
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ISBN:
(纸本)0780397665
Integrated System Health Management (ISHM) technologies have been developed to address safety, replace time-based maintenance with condition based maintenance, and to reduce life cycle costs. Traditional space system designs have focused on safety to minimize the risk to crew and to protect the public, astronauts and pilots, the NASA workforce, and high-value equipment and property. systems have relied on high reliability components to provide the necessary safety margins and avoid operational mission failures. The current vision for future manned and unmanned space missions to the International Space Station, the Moon, Mars, and beyond, will require longer duration missions and will rely on complex assemblages of components. Increased mission duration and complexity increase the probability of operational mission failures that must be mitigated without jeopardizing safety or the objectives of the current or future missions that might reuse critical mission components. ISHM technology will be essential for providing near-real-time assessments of system capability, safety margins, and maintenance and sustainment requirements. The Applied Research Lab has conducted a series of workshops for NASA which focused on defining requirements for Integrated System Health monitoring and for the integration of health monitoring and control to provide Intelligent Self Situational Awareness (ISSA). The results of these workshops indicate that the benefits of ISHM and greater integration between ISHM and control include increased safety and mission assurance, the ability to rapidly respond to system failures, and decreased operator workload. Emerging open system standards such as OSA-EAI provide a framework for integrating system health monitoring with control functionality in spacecraft avionics systems. The purpose of this paper is to describe areas where system health monitoring can impact safety, reliability and sustainment in space applications and present the results of works
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