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RISParameter Estimation of Limited Failure Population Model With a Weibull Underlying Distribution
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For many data-driven reliability problems, the population is not homogeneous; i.e., its statistics are not described by a unimodal distribution. Also, the interval of observation may not be long enough to capture the failure ...
A Distributed Pool Architecture for Highly Constrained Optimization Problems in Complex Systems Design
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Optimal design of complex engineering systems is challenging because numerous design variables and constraints are present. Dynamic changes in design requirements and lack of complete knowledge of subsystem requirements ...
A New Method for Making Design Decisions: Decision Topologies
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper shows how reliability block diagrams can be used as a decision making tool. The premise behind the idea is that classical decision analysis (DA), while very powerful, does not provide much tractability in assessing ...
A Sequential Accelerated Life Testing Framework for System Reliability Assessment With Untestable Components
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Testing of components at higher-than-nominal stress level provides an effective way of reducing the required testing effort for system reliability assessment. Due to various reasons, not all components are directly testable ...
Time Dependent Reliability Analysis of Vibratory Systems With Random Parameters
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The field of random vibrations of largescale systems with millions of degreesoffreedom (DOF) is of significant importance in many engineering disciplines. In this paper, we propose a method to calculate the timedependent ...
Limitations of Pareto Front in Design Under Uncertainty and Their Reconciliation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Engineering design reconciles design constraints with decision maker (DM) preferences. The task of eliciting and encoding decision maker preferences is, however, extremely difficult. A Pareto front representing the locus ...
Reliability-Based Topology Optimization Using Mean-Value Second-Order Saddlepoint Approximation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A reliability-based topology optimization (RBTO) approach is presented using a new mean-value second-order saddlepoint approximation (MVSOSA) method to calculate the probability of failure. The topology optimizer uses a ...
Numerical Estimation of Expected Number of Failures for Repairable Systems Using a Generalized Renewal Process Model
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: The reliability of repairable systems is important for many engineering applications such as warranty forecasting, maintenance strategies, and durability, among others. A generalized renewal process (GRP) approach, considering ...
Special Section: Risk, Reliability, and Uncertainty Quantification in Automotive Applications
Publisher: American Society of Mechanical Engineers (ASME)
Nonlinear Random Vibrations Using Second-Order Adjoint and Projected Differentiation Methods
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper proposes a new computationally efficient methodology for random vibrations of nonlinear vibratory systems using a time-dependent second-order adjoint variable (AV2) method and a second-order projected differentiation ...