Abstract

Turboelectric systems can be considered complex systems that may comprise errors and uncertainty. Uncertainty quantification and error estimation processes can, therefore, be useful in achieving accurate system parameters. Uncertainty quantification and error estimation processes, however, entail some stages that provide results that are more positive. Since accurate approximation and power optimisation are crucial processes, it is essential to focus on higher accuracy levels. Integrating computational models with reliable algorithms into the computation processes leads to a higher accuracy level. Some of the current models, like Monte Carlo and Latin hypercube sampling, are reliable. This paper focuses on uncertainty quantification and error estimation processes in turboelectric numerical modelling. The current study integrates the current evidence with scholarly sources to ensure the incorporation of the most reliable evidence into the conclusions. It is evident that studies on the current subject began a long time ago, and there is sufficient scholarly evidence for analysis. The case study used to obtain this evidence is NASA N3-X, with three aircraft conditions: rolling to take off, cruising and taking off. The results show that the electrical elements in turboelectric systems can have decent outcomes in statistical analysis. Moreover, the risk of having overload branches is up to 2% of the total aircraft operation lifecycle, and the enhancement of the turboelectric system through electrical power optimisation management could lead to higher performance.

Highlights

  • Uncertainty is a common occurrence in engineering systems

  • The three phases, which include the stochastic model, random sampling and deterministic model, are the components of the optimisation approach used in the analogous implementation of the turboelectric distributed propulsion (TeDP) of the Monte Carlo method

  • The case study used for TeDP uncertainty and error estimation is NASA N3-X

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Summary

Introduction

Uncertainty is a common occurrence in engineering systems It entails the process of accurately computing the extent to which a mathematical model can describe the relevant physics. On the other hand, entails the task of determining the accuracy of a particular numerical technique in its approximation of a given output. It is common in engineering systems due to there being several mechanical factors that are involved in their composition. This paper studies the uncertainty in turboelectric distributed propulsion (TeDP) systems and estimates the error in their utilisation. It fills in the gap of quantitative risk analysis in numerical modelling for futuristic propulsion systems

Network Model Method
Circuit
Impact of Model Uncertainty
Accurate Approximation
Quantitative Risk Analysis
Monte Carlo
NASA N3-X Case Study
Taking
Cruising
Latin Hypercube
Standard Deviation
Cumulative Distribution Function
Generator
Conclusions
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