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Guidelines for Writing IVHM Requirements for Aerospace Systems

HM-1 Integrated Vehicle Health Management Committee
  • Aerospace Standard
  • ARP6883
  • Current
Published 2019-12-03 by SAE International in United States

This Aerospace Recommended Practice (ARP) provides guidance on developing requirements for systems that include Integrated Vehicle Health Management (IVHM) capability [REF1], [REF18]. IVHM is increasingly being implemented on military and commercial aircraft. Some examples include the F-35 Joint Strike Fighter (JSF) [REF1] and the AH-64 Apache [REF3] in the military domain, and the B787 [REF4] and A350XWB [REF5] in the commercial domain. This document provides a systematic approach for developing requirements related to the IVHM capabilities of a vehicle system. This document is not intended to repeat general guidelines on good requirements writing [REF13], [REF20]. Instead, the focus is on the unique elements, which need to be considered for IVHM and the resulting specific guidelines that will help define better requirements and hence better systems. The multi-faceted nature of IVHM should include the process of requirements gathering. Therefore, this document presents some guidance on how to go about this task. The document also includes some case studies that illustrate, in a practical manner, what a good set of IVHM requirements might look like. These have been taken from real life examples, but have been generalized for the purpose of this ARP.

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Perspectives on Integrating Structural Health Monitoring Systems into Fixed-Wing Military Aircraft

Aerospace Industry Steering Committee on Structural Health
  • Aerospace Standard
  • AIR6245
  • Current
Published 2019-09-18 by SAE International in United States

This SAE Aerospace Information Report (AIR) is prepared for stakeholders seeking information about the evolution, integration, and approval of SHM technologies for military aircraft systems. The report provides this information in the form of (a) two military organizations’ perspectives on requirements, and (b) general SHM challenges and industry perspectives. The report only provides information to generate awareness of perspectives for military aircraft and, hence, assists those who are involved in developing SHM systems understanding the broad range of regulations, requirements, and standards published by military organizations that are available in the public domain from the military organizations.

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IVHM Design Guidelines

HM-1 Integrated Vehicle Health Management Committee
  • Aerospace Standard
  • ARP6407
  • Current
Published 2019-07-29 by SAE International in United States
This Aerospace Recommended Practice (ARP) provides guidance for the design of an integrated vehicle health management (IVHM) capability that will extend the vehicle’s inherent design to enable health management of the platform and its components. This guidance is technology-independent; the principles are generally applicable to the majority of potential IVHM design scenarios, including “clean sheet” system design, where IVHM is considered as a primary design consideration, and the retrofit design, where existing systems are modified and leveraged with the IVHM capability. In either case, this ARP provides guidance for designing the IVHM capability from the feasibility assessment to the conceptual design analysis and to the development design phases, with considerations given to trade studies, metrics, and life cycle impacts.
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Landing Gear Structural Health Monitoring

A-5 Aerospace Landing Gear Systems Committee
  • Aerospace Standard
  • AIR6168A
  • Current
Published 2019-05-23 by SAE International in United States
This SAE Aerospace Information Report (AIR) discusses past and present approaches for monitoring the landing gear structure and shock absorber (servicing), opportunities for corrosion detection, methods for transient overload detection, techniques for measuring the forces seen by the landing gear structure, and methods for determining the fatigue state of the landing gear structure. Landing gear tire condition and tire pressure monitoring are detailed in ARP6225, AIR4830, and ARP6137, respectively. Aircraft Brake Temperature Monitoring Systems (BTMS) are detailed in AS1145.
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Data Interoperability for Aerospace IVHM Systems

Infosys-Ravi Kumar G. V. V.
SAP-Martin Whitfield
Published 2019-03-19 by SAE International in United States
Aerospace systems today are generating a lot of data and for the most part all this data is being generated by siloed entities (by various stakeholders like components/sub-system manufacturers, OEMs, operators) and ends up living within the four walls of these individual entities. For the industry to fully benefit from this data there needs to be a transparent way to share this data while strictly controlling the proprietary nature of the data and adhering to all contracts. The SAE HM-1 technical committee is writing an aerospace information report (AIR) 6904 to describe a digital data landscape and approach that can support health management [1]. Integrated vehicle health management (IVHM) systems cut across many disciplines and boundaries and can benefit from structured landscape and well defined approach. For example, data associated with a fault in an aircraft subsystem like the engine must travel through multiple systems and boundaries before it can be analyzed by the cognizant personnel. Today the landscape is pretty ad-hoc; with not many standards governing the data handling, storage, analysis, and disposal. This…
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SAE Author Podcast: IVHM, Civil Aviation and the Passenger Experience

  • Podcast
  • 12414
Recorded 2019-02-20

Ian K. Jennions, Professor and Director of the IVHM Centre, Cranfield University, U.K, discusses Integrated Vehicle Health Management, and how it impacts the way aircraft are and will be maintained in the future. This is also a topic covered in his upcoming title, The World of Civil Aviation, published by SAE International.

SAE Author Podcast: IVHM, Servitization and Physical Asset Management: Impact and Challenges

  • Podcast
  • 12415
Recorded 2019-02-20

Dr. Michael Provost, a subject matter expert in modeling, simulation, analysis and condition monitoring, discusses the value of considering asset management services for the products they design and manufacture, a topic covered in his new book , Servitization and Physical Asset Management: Impact and Challenges, published by SAE International.

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Applicable Aircraft Integrated Vehicle Health Management (IVHM) Regulations, Policy, and Guidance

HM-1 Integrated Vehicle Health Management Committee
  • Aerospace Standard
  • AIR6900
  • Current
Published 2019-01-14 by SAE International in United States
This AIR lists and describes a collection of regulations, policy, and guidance documents applicable to design approval applicants, aircraft operating certificate holders, and maintenance repair and overhaul (MRO) organizations. The aircraft industry should consider these rules when installing IVHM technology for use in aircraft maintenance. This is a starting basis and should not be considered as complete when certification of an IVHM system is expected. The AIR’s objectives are: 1 To set the foundation for aircraft certification applicants seeking to design IVHM solutions as part of the type certificate (TC), supplemental type certificate (STC), amended TC, or amended STC activities; and 2 To set the foundation for aircraft operating certificate holders to engage with regulators to get authorization for using IVHM applications as part of an aircraft maintenance program. NOTE: This AIR’s scope is limited to the United States (U.S.) Federal Aviation Administration (FAA) information only in this version, but future revisions intend to include other regulator input.
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Framework Standard for Prognosis: An Approach for Effective Prognosis Implementation

John Deere India Pvt, Ltd.-Sanket Pawar
Published 2019-01-09 by SAE International in United States
Prognosis is used to improve system availability. This is achieved by minimizing system downtime with the help of mechanisms that senses the degradation in the system health to predict the ‘time-to-failure’ of the system. Degradation in the system’s health is measured by sensing the early signs of aging and wear and tear of the system components. This requires knowledge of all the failure modes of the system along with patterns of behavioral changes in the individual components of the system while it continues to age.Prognosis methods and mechanisms are still evolving. So, no comprehensive guidelines or framework standards exist as of today that can provide reliable and standardized prognosis solutions to the end user customers. The intent of devising such a framework and guidelines is to improve and standardize the implementation of prognosis solutions so that; it will be more effective to all stakeholders from the perspective of safety, cost and convenience.At present, there is a lot of variation in the implementation of a prognostic mechanism, although having well developed methods for the same. This…
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Condition-Based Maintenance in Aviation: The History, The Business and The Technology

drR2 Consulting-Ravi Rajamani
  • Progress In Technology (PT)
  • PT-193
Published 2018-12-11 by SAE International in United States

Condition-Based Maintenance in Aviation: The History, The Business and The Technology describes the history and practice of Condition-Based Maintenance (CBM) systems by showcasing ten technical papers from the archives of SAE International, stretching from the dawn of the jet age down to the present times.

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