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Guidelines for Implementation of Structural Health Monitoring on Fixed Wing Aircraft
- Aerospace Standard
- ARP6461A
- Revised
Downloadable datasets available
Annotation ability available
Sector:
Issuing Committee:
Language:
English
Scope
This document is applicable to civil aerospace airframe structural applications where stakeholders are seeking guidance on the definition, development, and certification of structural health monitoring (SHM) technologies for aircraft health management applications.
Inputs to the structural health management are obtained from SHM equipment and/or from onboard sensors, delivering the detection and characterization of damage, load, or environmental parameters for operational and damage monitoring.
For the purpose of this document, SHM is defined as “the process of acquiring and analyzing data from on-board sensors to characterize the health of a structure.” The suite of on-board sensors could include any presently installed aircraft sensors, as well as new sensors to be defined in the future.
Rationale
The development of structural health monitoring (SHM) technologies to achieve vehicle health management objectives in aerospace applications is an activity that spans multiple engineering disciplines. It is also recognized that many stakeholders—i.e., regulatory agencies, airlines, original equipment manufacturers (OEM), academia and equipment suppliers—are crucial to the process of certifying viable SHM solutions. Thus, a common language (definitions), framework of SHM solution approaches, and recommended practices for reaching those solutions are needed to promote fruitful and efficient technology development. Revision A of this document provides updated guidance based on a Five-Year Review.
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Table 1 | Effect on personnel | |
Table 2 | Effect on structure | |
Table 3 | Fault tolerant design of equipment and installations | |
Table 4 | Development assurance level | |
Table 5 | Mean time between failure (MTBF) | |
Table 6 | System integrity | |
Table 7 | Software development (on-board) | |
Table 8 | Software development (ground) | |
Table 9 | Hardware assurance level | |
Table 10 | Data acquisition | |
Table 11 | Concept of operations | |
Table 12 | Data offloading | |
Table 13 | System airworthiness | |
Table 14 | Measurement accuracy | |
Table 15 | Detection capability | |
Table 16 | SHM system weight | |
Table 17 | SHM system dimensions | |
Table 18 | Power/power consumption | |
Table 19 | DO-160 based environmental requirements and supplementary information | |
Table 20 | Sensor integration | |
Table 21 | SHM equipment integration | |
Table 22 | Sensor network and SHM equipment design | |
Table 23 | Mechanical bonding performance | |
Table 24 | Sensor installation | |
Table 25 | Surface treatment | |
Table 26 | Sensor protection | |
Table 27 | Sensor initialization and calibration | |
Table 28 | Manufacturing and assembly | |
Table 29 | Self-diagnostic capabilities | |
Table 30 | Sensor reparability/maintainability | |
Table 31 | Data integrity/assurance | |
Table 32 | Data bus performance | |
Table 33 | Data availability | |
Table 34 | System interoperability | |
Table 35 | Human machine interface | |
Table 36 | Personnel qualification and training | |
Table 37 | NASA technology readiness levels | |
Table 38 | SHM technology readiness levels | |
Table 39 | Potential SHM evaluation activities | |
Table 40 | Summary of potential SHM evaluation criteria |
Issuing Committee
Aerospace Industry Steering Committee on Structural Health
The scope of the committee is to accumulate, develop and disseminate SHM system technology and experience relating to the following groups -- a. Civil fixed and rotary wing air vehicles; b. Military fixed and rotary wing air vehicles; and c. Unmanned fixed and rotary wing air vehicles.
Reference
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