Most engineered systems are designed with a passive and fixed design capacity and, therefore, may become unreliable in the presence of adverse events. Currently, most engineered systems are designed with system redundancies to ensure required system reliability under adverse events. However, a high level of system redundancy increases a system’s life-cycle cost (LCC). Recently, proactive maintenance decisions have been enabled through the development of prognostics and health management (PHM) methods that detect, diagnose, and predict the effects of adverse events. Capitalizing on PHM technology at an early design stage can transform passively reliable (or vulnerable) systems into adaptively reliable (or resilient) systems while considerably reducing their LCC. In this paper, we propose a resilience-driven system design (RDSD) framework with the goal of designing complex engineered systems with resilience characteristics. This design framework is composed of three hierarchical tasks: (i) the resilience allocation problem (RAP) as a top-level design problem to define a resilience measure as a function of reliability and PHM efficiency in an engineering context, (ii) the system reliability-based design optimization (RBDO) as the first bottom-level design problem for the detailed design of components, and (iii) the system PHM design as the second bottom-level design problem for the detailed design of PHM units. The proposed RDSD framework is demonstrated using a simplified aircraft control actuator design problem resulting in a highly resilient actuator with optimized reliability, PHM efficiency and redundancy for the given parameter settings.
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e-mail: bdyoun@snu.ac.kr
e-mail: huchaost@umd.edu
e-mail: pingfeng.wang@wichita.edu
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October 2011
Research Papers
Resilience-Driven System Design of Complex Engineered Systems
Byeng D. Youn,
Byeng D. Youn
Assistant ProfessorSchool of Mechanical and Aerospace Engineering
e-mail: bdyoun@snu.ac.kr
Seoul National University
, Seoul 151-742, Korea
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Chao Hu,
Chao Hu
Department of Mechanical Engineering,
e-mail: huchaost@umd.edu
University of Maryland at College Park
, College Park, MD 20742
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Pingfeng Wang
Pingfeng Wang
Assistant Professor Department of Industrial and Manufacturing Engineering,
e-mail: pingfeng.wang@wichita.edu
Wichita State University
, Wichita, KS 67260
Search for other works by this author on:
Byeng D. Youn
Assistant ProfessorSchool of Mechanical and Aerospace Engineering
Seoul National University
, Seoul 151-742, Korea
e-mail: bdyoun@snu.ac.kr
Chao Hu
Department of Mechanical Engineering,
University of Maryland at College Park
, College Park, MD 20742e-mail: huchaost@umd.edu
Pingfeng Wang
Assistant Professor Department of Industrial and Manufacturing Engineering,
Wichita State University
, Wichita, KS 67260e-mail: pingfeng.wang@wichita.edu
J. Mech. Des. Oct 2011, 133(10): 101011 (15 pages)
Published Online: October 25, 2011
Article history
Received:
January 15, 2011
Revised:
August 21, 2011
Accepted:
August 22, 2011
Online:
October 25, 2011
Published:
October 25, 2011
Citation
Youn, B. D., Hu, C., and Wang, P. (October 25, 2011). "Resilience-Driven System Design of Complex Engineered Systems." ASME. J. Mech. Des. October 2011; 133(10): 101011. https://doi.org/10.1115/1.4004981
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