Search Results - "Mourelatos, Zissimos P."

A sequential calibration and validation framework for model uncertainty quantification and reduction by Jiang, Chen, Hu, Zhen, Liu, Yixuan, Mourelatos, Zissimos P., Gorsich, David, Jayakumar, Paramsothy

“…This paper aims to provide new insights into model calibration, which plays an essential role in improving the validity of Modeling and Simulation (M&S) in…”
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System reliability analysis using component-level and system-level accelerated life testing by Moustafa, Kassem, Hu, Zhen, Mourelatos, Zissimos P., Baseski, Igor, Majcher, Monica

“…•Shared frailty to bridge the gap between component-level and system-level ALT•Information fusion to reduce uncertainty in system reliability…”
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Efficient Reliability-Based Path Planning of Off-Road Autonomous Ground Vehicles Through the Coupling of Surrogate Modeling and RRT by Yin, Jianhua, Hu, Zhen, Mourelatos, Zissimos P., Gorsich, David, Singh, Amandeep, Tau, Seth

“…Reliability-based global path planning incorporates reliability constraints into path planning to ensure that off-road autonomous ground vehicles can operate…”
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R2-RRT: Reliability-Based Robust Mission Planning of Off-Road Autonomous Ground Vehicle Under Uncertain Terrain Environment by Jiang, Chen, Hu, Zhen, Mourelatos, Zissimos P., Gorsich, David, Jayakumar, Paramsothy, Fu, Yan, Majcher, Monica

“…This article presents a reliable and robust rapidly exploring random tree (R2-RRT*) algorithm to tackle challenges in mission planning of off-road autonomous…”
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A new fluctuation assessment method for the step response signals of pressure sensors by Wang, Zhongyu, Yao, Zhenjian, Li, Cheng, Lv, Jing, Fu, Huadong, Mourelatos, Zissimos P.

“…•A method to assess the fluctuation of step response signals is proposed.•A fluctuation measure indicator is defined to quantify the fluctuation.•An ordered…”
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Application of Nonequidistant Fractional-Order Accumulation Model on Trajectory Prediction of Space Manipulator by Jiang Wensong, Wang Zhongyu, Mourelatos, Zissimos P.

“…To predict the trajectory of a motion target floating in an outer space, a nonequidistant fractional-order accumulation (NEFA) model of a visual-based space…”
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Reliable Global Path Planning of Off-Road Autonomous Ground Vehicles Under Uncertain Terrain Conditions by Yin, Jianhua, Li, Lingxi, Mourelatos, Zissimos P., Liu, Yixuan, Gorsich, David, Singh, Amandeep, Tau, Seth, Hu, Zhen

“…Path planning plays a vital role in ensuring the efficient and safe operation of off-road autonomous ground vehicles (AGVs). Current methods mostly focus on…”
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On the Time-Dependent Reliability of Non-Monotonic, Non-Repairable Systems by Singh, Amandeep, Mourelatos, Zissimos P.

“…The system response of many engineering systems depends on time. A random process approach is therefore, needed to quantify variation or uncertainty. The…”
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Reallocation of testing resources in validating optimal designs using local domains by Drignei, Dorin, Mourelatos, Zissimos P., Kokkolaras, Michael, Pandey, Vijitashwa

“…We have recently proposed a new method for integrating design optimization with model validation by means of a sequential approach that uses variable-size…”
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Rules for trajectory updating in decision based design by Pandey, Vijitashwa, Mourelatos, Zissimos P.

“…Optimization is an indispensable tool in decision based design (DBD). There is an emerging consensus in DBD that the only correct objective to maximize is the…”
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Microgrid Maintenance Strategies for Optimal Reliability and Cost by Skowronska, Annette G., Mourelatos, Zissimos P.

“…A physics-based microgrid model has been developed in Simulink with various sources and loads driven by stochastic inputs. Central controls are used to drive…”
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A variable-size local domain approach for increased design confidence in simulation-based optimization by Drignei, Dorin, Mourelatos, Zissimos P., Kokkolaras, Michael, Pandey, Vijitashwa, Koscik, Grzegorz

“…Simulation-based design optimization utilizes computational models that rely on assumptions and approximations. There is a need therefore, to ensure that the…”
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Time-Dependent Reliability Estimation for Dynamic Systems Using a Random Process Approach by Singh, Amandeep, Mourelatos, Zissimos P.

“…Reliability is an important engineering requirement for consistently delivering acceptable product performance through time. As time progresses, the product…”
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Piston Design Using Multi-Objective Reliability-Based Design Optimization by Patel, Prashant, Mourelatos, Zissimos P., Shah, Paras

“…Piston design is a challenging engineering problem which involves complex physics and requires satisfying multiple performance objectives. Uncertainty in…”
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A crankshaft system model for structural dynamic analysis of internal combustion engines by Mourelatos, Zissimos P.

“…A system model for analyzing the dynamic behavior of an internal combustion engine crankshaft is described. The model couples the crankshaft structural…”
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An Efficient Method to Calculate the Failure Rate of Dynamic Systems with Random Parameters Using the Total Probability Theorem by Majcher, Monica, Mourelatos, Zissimos P., Geroulas, Vasileios, Baseski, Igor, Singh, Amandeep

“…Using the total probability theorem, we propose a method to calculate the failure rate of a linear vibratory system with random parameters excited by…”
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Efficient Re-Analysis Methodology for Probabilistic Vibration of Large-Scale Structures by Zhang, Geng, Nikolaidis, Efstratios, Mourelatos, Zissimos P

“…It is challenging to perform probabilistic analysis and design of large-scale structures because probabilistic analysis requires repeated finite element…”
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Design under Uncertainty using a Combination of Evidence Theory and a Bayesian Approach by Zhou, Jun, Mourelatos, Zissimos P, Ellis, Clifton

“…Early in the engineering design cycle, it is difficult to quantify product reliability due to insufficient data or information to model uncertainties…”
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Reliability Estimation for Multiple Failure Region Problems using Importance Sampling and Approximate Metamodels by Kuczera, Ramon C, Mourelatos, Zissimos P

“…An efficient reliability estimation method is presented for engineering systems with multiple failure regions and potentially multiple most probable points…”
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Probabilistic Reanalysis Using Monte Carlo Simulation by Nikolaidis, Efstratios, Saleem, Sirine, Farizal, F, Zhang, Geng, Mourelatos, Zissimos P

“…An approach for Probabilistic Reanalysis (PRA) of a system is presented. PRA calculates very efficiently the system reliability or the average value of an…”
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