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Journal of Aerospace Science and Technology، جلد ۱۸، شماره ۱، صفحات ۲۸-۴۳
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عنوان انگلیسی A surrogate-model multidisciplinary design optimization methodology for trajectory optimization of a launch vehicle
چکیده انگلیسی مقاله The present paper tries to optimization of the ascent trajectory of two stages launch vehicle (LV) to achieve a low Earth Orbit (LEO). To this end, the surrogate-model method by utilizing the Design of Experiment (DOE) and the Response Surface Method (RSM) were implemented as two effective means for optimizing. In this paper, the model-based optimization strategy aims to minimize the total mass of the first stage and ultimately reduce the costs of the launch vehicle. Hence, D‐optimal structure has been used for the surrogate-model and 101 different experiments were carried out on the trajectory optimization. The analysis of variance (ANOVA) results indicate that the implemented model is capable to predict the responses adequately within the limits of input parameters. Therefore, the desirability function analysis for LV has been applied to optimize the total mass of the first stage. As a result, the capability of the proposed LV optimization method is 602 kg reduction in total mass. This value is significant in LV design.
کلیدواژه‌های انگلیسی مقاله Launch Vehicle (LV),Design of Experiment (DoE),Trajectory Optimization,surrogate- model,response surface method (RSM
نویسندگان مقاله Mahdi Keramatinejad |
Faculty of Management & Industrial Engineering, Malek Ashtar University of Technology, Iran

Hamidreza Ali Mohamadi |
Aerospace Research Institute

Mahdi Karbasian |
Faculty of Management & Industrial Engineering, Malek Ashtar University of Technology, Iran

Karim Atashgar |
Faculty of Management & Industrial Engineering, Malek Ashtar University of Technology, Iran

نشانی اینترنتی https://jast.ias.ir/article_218669_417792551462bcad7c57435681880a95.pdf
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