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The World of Civil Aerospace

IVHM Centre Cranfield University-Ian K. Jennions
  • Book
  • R-468
Published 2019-05-28 by SAE International in United States
Collaboratively written by eleven experts with extensive experience in the field of commercial aviation, The World of Civil Aerospace is a unique book that defines its own category. Covering the beginnings of commercial aviation, aircraft design and certification, manufacturing and testing, airline operation, maintenance and safety, among other topics, The World of Civil Aerospace shows the reader the fundamental (yet almost invisible) aspects of how the planes and airports we use every day actually function. The title, edited by Prof. Ian Jennions, from Cranfield University in the UK, came about from the desire to share the inner workings of what it takes to create, test, approve, certify and launch a new aircraft. Not mention how to maintain it and make the user experience of flying it positive. With the commercial aviation industry expected to continue to grow for decades to come, the challenges of keeping aircraft in the air safely, reliably and economically are enormous. Thousands of engineers, support personnel, maintainers and crews go to work every day with one goal in mind: to make…
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No Fault Found: The Search for the Root Cause

Chris Hockley
IVHM Centre Cranfield University-Ian K. Jennions
  • Book
  • R-441
Published 2015-09-03 by SAE International in United States

Today, we are all strongly dependent on the correct functioning of technical systems. They fail, and we become vulnerable. Disruptions due to degradation or anomalous behavior can negatively impact safety, operations, and brand name, reducing the profitability of all elements of the value chain.

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Integrated Vehicle Health Management: Implementation and Lessons Learned

IVHM Centre Cranfield University-Ian K. Jennions
  • Book
  • R-438
Published 2014-11-10 by SAE International in United States
Integrated Vehicle Health Management: Implementation and Lessons Learned is the fourth title in the IVHM series published by SAE International. This new book introduces a variety of case studies, lessons learned, and insights on what it really means to develop, implement, or manage an integrated system of systems. Integrated Vehicle Health Management: Implementation and Lessons Learned brings to the reader a wide set of hands-on stories, made possible by the contribution of twenty-three authors, who agreed to share their experience and wisdom on how new technologies are developed and put to work. This effort was again coordinated by Dr. Ian K. Jennions, Director of the IVHM Centre at Cranfield University (UK), and editor of the previous books in the series. Integrated Vehicle Health Management: Implementation and Lessons Learned, with seventeen, fully illustrated chapters, covers diverse areas of expertise such as the impact of trust, human factors, and evidential integrity in system development. They are complemented by valuable insights on implementing APU health management, aircraft health trend monitoring, and the historical perspective of how rotorcraft HUMS…
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IVHM / Integrated Vehicle Health Management 3-Book Set (1, 2 & 3)

IVHM Centre Cranfield University-Ian K. Jennions
  • Book
  • R-405.SET3
Published 2013-11-01 by SAE International in United States
Although the concept of Integrated Vehicle Health Management (IVHM) can be complex in its implementation, it is essentially based upon a simple idea: the more you know about a particular machine’s ability to function, the quicker you can act to prevent malfunctioning. This rapidly developing area of engineering seeks to enable better management of both the vehicle and vehicle fleet health. Use of IVHM can improve vehicle reliability, safety, and reduce unnecessary, unscheduled maintenance through the use of diagnostic and prognosis systems that monitor data and overall vehicle health. From an initial idea by the SAE IVHM Steering Group, these books have been collaboratively written by experts from academia, research and industry, and represent the collective voice of the most qualified authorities in the field. This groundbreaking set addresses both basic and advanced concepts critical for the understanding of IVHM, along with the commercial justification for the adoption of a new modus operandi in asset health management, and its impact on business strategy and technology. Buy the Set and Save! The two volume set includes:…
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Integrated Vehicle Health Management: Essential Reading

IVHM Centre Cranfield University-Ian K. Jennions
  • Progress In Technology (PT)
  • PT-162
Published 2013-09-25 by SAE International in United States
Integrated Vehicle Health Management (IVHM) is a relatively new subject, with its roots back in the space sector of the early 1990s. Although many of the papers written around that time did not refer to it as IVHM, the fundamental principles of considering an integrated end-to-end system to monitor the overall health of the asset were clearly visible. As the subject of Integrated Vehicle Health Management (IVHM) and its associated technologies have grown up, businesses are making the transformation from selling a product to selling a service. This can be viewed as a positive disruption, as a relatively small technology breakthrough is being brought to market for a large business benefit. The sequence “sense—acquire—transfer—analyze—act “ feeds the information (processed data) on the asset’s health into the Operations or Management control center. Here, decisions can be made on maintenance actions with knowledge of the supply chain status, MRO loading, etc., provided by Maintenance and Logistics systems. Undoubtedly, a much more efficient and economical modus operandi. This book brings together a collection of twenty –two SAE International…
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Integration Issues for Vehicle Level Distributed Diagnostic Reasoners

IVHM Centre Cranfield University-Ian Jennions
Cranfield University-Faisal Khan, Tarapong Sreenuch
Published 2013-09-17 by SAE International in United States
In today's aircraft the diagnostic and prognostic systems play a crucial part in aircraft safety while reducing the operating and maintenance costs. Aircraft are very complex in their design and require consistent monitoring of systems to establish the overall vehicle health status. Most diagnostic systems utilize advanced algorithms (e.g. Bayesian belief networks or neural networks) which usually operate at system or sub-system level. The sub-system reasoners collect the input from components and sensors to process the data and provide the diagnostic/detection results to the flight advisory unit. Several sources of information must be taken into account when assessing the vehicle health, to accurately identify the health state in real time. These sources of information are independent system-level diagnostics that do not exchange any information/data with the surrounding systems. This limits the system by preventing cross check or health status information exchange amongst the related sub-systems. This article discusses the issues related to the integration of a vehicle level diagnostic reasoner to sub-system level reasoners and information exchange between the sub-system reasoners and the vehicle level…
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Dual Use IVHM for UAS Health Management

IVHM Centre Cranfield University-Jonathan G. Pelham, Ian Jennions
BAE Systems-Jim McFeat
Published 2013-09-17 by SAE International in United States
UAS (Unmanned aircraft system), widely known to the general public as drones, are comprised of two major system elements: an Unmanned Aircraft (UA) and a Ground Control Station (GCS). UAS have a high mishap rate when compared to manned aircraft. This high mishap rate is one of several barriers to the acceptance of UAS for more widespread usage.Better awareness of the UA real time as well as long term health situation may allow timely condition based maintenance. Vehicle health and usage are two parts of the same solution to improve vehicle safety and lifecycle costs. These can be worked on through the use of two related aircraft management methods, these are: IVHM (Integrated Vehicle Health Management) which combines diagnosis and prognosis methods to help manage aircraft health and maintenance, and FOQA (Flight Operations Quality Assurance) systems which are mainly used to assist in pilot skill quality assurance.However, the addition of IVHM and FOQA systems to a UA, no matter how valuable, will face tight requirements on their weight, volume, and power consumption. In this environment,…
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Integrated Vehicle Health Management: The Technology

IVHM Centre Cranfield University-Ian K. Jennions
  • Book
  • R-429
Published 2013-09-05 by SAE International in United States

The third volume in the Integrated Vehicle Health Management (IVHM) series focuses on the technology that actually supports the implementation of IVHM in real-life situations. Edited by Ian K. Jennions, Director of the IVHM Center at Cranfield University, UK, this book was written collaboratively by twenty-seven authors from industry, academia and governmental research agencies. Topics include: -Sensors, instrumentation and signal processing -Fault detection and diagnostics -Prognostics and metrics -Architecture -Data Management -Vehicle level reasoning systems -System's design -Applications and disruptive technologies Integrated Vehicle Heath Management: The Technology follows two bestsellers, also published by SAE International, which cover the fundamentals aspects of this new body of knowledge (Integrated Vehicle Health Management: Perspectives on an Emerging Field), and the business justification needed so that investments in the technology make sense (Integrated Vehicle Health Management: Business Case Theory and Practice).

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