1–20 von 30 Ergebnissen
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    Warranty Forecasting of Repairable Systems for Different Production Patterns

    Guo, Huairui / Castanier, Matthew / Hijawi, Mohammad et al. | SAE Technical Papers | 2017
    Warranty forecasting of repairable systems is very important for manufacturers of mass produced systems. It is desired to predict the ...
    Verlag: Society of Automotive Engineers , SAE International

    A Group-Based Space-Filling Design of Experiments Algorithm

    Papadimitriou, Dimitrios / Panagiotopoulos, Dionysios / Mourelatos, Zissimos | SAE Technical Papers | 2018
    engineering systems, however, the effectiveness of virtual simulations is often hindered by excessive computational cost. To minimize the cost of ...
    Verlag: Society of Automotive Engineers , SAE International

    Managing the Computational Cost of Monte Carlo Simulation with Importance Sampling by Considering the Value of Information

    Nikolaidis, Efstratios / Norouzi, Mahdi / Pandey, Vijitashwa et al. | SAE Technical Papers | 2013
    Importance Sampling. First, the designer estimates the prior probability density functions of the reliabilities of the alternative designs and ...
    Verlag: Society of Automotive Engineers , SAE International

    Reliability and Cost Trade-Off Analysis of a Microgrid

    Skowronska, Annette G. / Gorsich, David / Mourelatos, Zissimos | SAE Technical Papers | 2018
    Optimizing the trade-off between reliability and cost of operating a microgrid, including vehicles as both loads and sources, can be a ...
    Verlag: Society of Automotive Engineers , SAE International

    Uncertainty Assessment in Restraint System Optimization for Occupants of Tactical Vehicles

    Drignei, Dorin / Kosova, Ervisa / Hu, Jingwen et al. | SAE Technical Papers | 2016
    risks for military vehicles during frontal crashes. The number of experimental tests and model runs are however, relatively small due to their ...
    Verlag: Society of Automotive Engineers , SAE International

    New Metrics to Assess Reliability and Functionality of Repairable Systems

    Pandey, Vijitashwa / Mourelatos, Zissimos | SAE Technical Papers | 2013
    The classical definition of reliability may not be readily applicable for repairable systems. Commonly used concepts such as the Mean Time ...
    Verlag: Society of Automotive Engineers , SAE International

    Time-Dependent Reliability-Based Design Optimization of Vibratory Systems

    Papadimitriou, Dimitrios / Patil, Santosh / Mourelatos, Zissimos | SAE Technical Papers | 2017
    A methodology for time-dependent reliability-based design optimization of vibratory systems with random parameters under stationary ...
    Verlag: Society of Automotive Engineers , SAE International

    Time-Dependent Reliability of Random Dynamic Systems Using Time-Series Modeling and Importance Sampling

    Singh, Amandeep / Nikolaidis, Efstratios / Mourelatos, Zissimos | SAE Technical Papers | 2011
    degradation with time may increase the lifecycle cost due to potential warranty costs, repairs and loss of market share. Reliability is the ...
    Verlag: Society of Automotive Engineers , SAE International

    Flexible Design and Operation of a Smart Charging Microgrid

    Skowronska, Annette / Gorsich, David / Castanier, Matthew et al. | SAE Technical Papers | 2014
    The reliability theory of repairable systems is vastly different from that of non-repairable systems. The authors have recently proposed a ...
    Verlag: Society of Automotive Engineers , SAE International

    Efficient Probabilistic Reanalysis and Optimization of a Discrete Event System

    Nikolaidis, Efstratios / Li, Yibo / Mourelatos, Zissimos | SAE Technical Papers | 2011
    methodology estimates the performance of a system for a single probability distribution of the inputs. Probabilistic Reanalysis (PRRA) uses this ...
    Verlag: Society of Automotive Engineers , SAE International

    A Simulation and Optimization Methodology for Reliability of Vehicle Fleets

    Singh, Amandeep / Lamb, David A. / Li, Jing et al. | SAE Technical Papers | 2011
    Understanding reliability is critical in design, maintenance and durability analysis of engineering systems. A reliability simulation ...
    Verlag: Society of Automotive Engineers , SAE International

    A Methodology for Fatigue Life Estimation of Linear Vibratory Systems under Non-Gaussian Loads

    Baseski, Igor / Geroulas, Vasileios / Tsianika, Vasiliki et al. | SAE Technical Papers | 2017
    Fatigue life estimation, reliability and durability are important in acquisition, maintenance and operation of vehicle systems. Fatigue ...
    Verlag: Society of Automotive Engineers , SAE International

    Multi-Objective Decision Making under Uncertainty and Incomplete Knowledge of Designer Preferences

    Nikolaidis, Efstratios / Pandey, Vijitashwa / Mourelatos, Zissimos | SAE Technical Papers | 2011
    kinds of uncertainties in this paper: uncertainty in the decision variables which we call inherent design problem (IDP) uncertainty and that in ...
    Verlag: Society of Automotive Engineers , SAE International

    Reanalysis of Linear Dynamic Systems using Modified Combined Approximations with Frequency Shifts

    Haider, Syed F. / Mourelatos, Zissimos | SAE Technical Papers | 2016
    Weight reduction is very important in automotive design because of stringent demand on fuel economy. Structural optimization of dynamic ...
    Verlag: Society of Automotive Engineers , SAE International

    A Methodology for Design Decisions using Block Diagrams

    Pandey, Vijitashwa / Mourelatos, Zissimos | SAE Technical Papers | 2013
    diagram with linear algebra operations. This paper details the theoretical basis of the proposed method and highlights its importance. An example ...
    Verlag: Society of Automotive Engineers , SAE International

    A New Metamodeling Approach for Time-Dependent Reliability of Dynamic Systems with Random Parameters Excited by Input Random Processes

    Drignei, Dorin / Baseski, Igor / Majcher, Monica et al. | SAE Technical Papers | 2014
    We propose a new metamodeling method to characterize the output (response) random process of a dynamic system with random parameters ...
    Verlag: Society of Automotive Engineers , SAE International

    Prediction of Fuel Maps in Variable Valve Timing Spark Ignited Gasoline Engines Using Kriging Metamodels

    Tafreshi, Ali / Mourelatos, Zissimos | SAE Technical Papers | 2020
    Creating a fuel map for simulation of an engine with Variable Valve Actuation (VVA) can be computationally demanding. Design of Experiments ...
    Verlag: Society of Automotive Engineers , SAE International

    Prediction of Spark Timing to Achieve a Specified Torque Profile in Spark-Ignition Engines Using Time-Dependent Metamodeling

    Tafreshi, Ali / Mourelatos, Zissimos | SAE Technical Papers | 2021
    The internal combustion engine is a source of unwanted vibration on the vehicle body. The unwanted vibration comes from forces on the ...
    Verlag: Society of Automotive Engineers , SAE International

    Efficient Global Surrogate Modeling Based on Multi-Layer Sampling

    Hu, Zhen / Mourelatos, Zissimos | SAE Technical Papers | 2018
    objective is how to reduce the number of function evaluations to the original computer simulation model. To date, the most widely used approach for ...
    Verlag: Society of Automotive Engineers , SAE International

    Time-Dependent Reliability Analysis Using a Modified Composite Limit State Approach

    Majcher, Monica / Tsianika, Vasiliki / Mourelatos, Zissimos | SAE Technical Papers | 2017
    Recent developments in time-dependent reliability have introduced the concept of a composite limit state. The composite limit state method ...
    Verlag: Society of Automotive Engineers , SAE International