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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.

 

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.

 

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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A Process for Utilizing Aerospace Propulsion Health Management Systems for Maintenance Credit

E-32 Aerospace Propulsion Systems Health Management
  • Aerospace Standard
  • ARP5987
  • Current
Published 2018-12-06 by SAE International in United States
The process detailed within this document is generic and can be applied to commercial and military applications. It applies to the entire end-to-end health management system throughout its lifecycle, covering on-board and on-ground elements. The practical application of this standardized process is detailed in the form of a checklist. The on-board element described here are the source of the data acquisition used for off-board analysis. The on-board aspects relating to safety of flight, pilot notification, etc., are addressed by the other SAE Committees standards and documents. This document does not prescribe hardware or software assurance levels, nor does it answer the question “how much mitigation and evidence are enough”. The criticality level and mitigation method will be determined between the ‘Applicant’ and the regulator. In order to provide some detailed guidance utilizing the process and checklist, some high-level examples of previous successful cases of Maintenance Credit applications are included. At this point, it is incumbent on the ‘Applicant’ to explain any differences in terminology between the health management system they are seeking a credit for…
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Diagnostics and Prognostics of Aerospace Engines

drR2 Consulting-Ravi Rajamani
  • Progress In Technology (PT)
  • PT-195
Published 2018-11-28 by SAE International in United States

The propulsion system is arguably the most critical part of the aircraft; it certainly is the single most expensive component of the vehicle. Ensuring that engines operate reliably without major maintenance issues is an important goal for all operators, military or commercial. Engine health management (EHM) is a critical piece of this puzzle and has been a part of the engine maintenance for more than five decades. In fact, systematic condition monitoring was introduced for engines before it was applied to other systems on the aircraft.

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