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Intelligent Approach to Robust Design Optimization of a Rotor System due to Its Support Stiffness Uncertainty
المؤلفون المشاركون
Xu, Bensheng
Zang, Chaoping
Zhang, Genbei
المصدر
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-11، 11ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-02-11
دولة النشر
مصر
عدد الصفحات
11
التخصصات الرئيسية
الملخص EN
In this paper, an intelligent robust design approach combined with different techniques such as polynomial chaos expansion (PCE), radial basis function (RBF) neural network, and evolutionary algorithms is presented with a focus on the optimization of the dynamic response of a rotor system considering support stiffness uncertainty.
In the proposed method, the PCE method instead of the traditional Monte Carlo uncertainty analysis is applied to analyze the uncertain propagation of system performance.
The RBF network is introduced to establish the approximate models of the objective and constraint functions.
Taking the low-pressure rotor of a gas turbine with support stiffness uncertainty as an example, the optimization model is established with the mean and variance of unbalanced response of the rotor system at different operating speeds as the objective function, and the maximum unbalance response is less than the upper limit as the constraint function.
The polynomial chaos expansion is generated to facilitate a rapid analysis of robustness in the presence of support stiffness uncertainties that is defined in terms of tolerance with good accuracy.
The optimal Hypercubus are used as experimental plans for building RBF approximation models of the objective and constraint functions.
Finally, the robust solutions are obtained with the multiobject optimization algorithm NSGA-II.
Monte Caro simulation analysis demonstrates that the qualified rate of maximum vibration responses of the low-pressure rotor system can be increased from 83.6% to over 99%.
This approach to robust design optimization is shown to lead to designs that significantly decrease vibration responses of the rotor system and improved system performance with reduced sensitivity to support stiffness uncertainty.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Xu, Bensheng& Zang, Chaoping& Zhang, Genbei. 2020. Intelligent Approach to Robust Design Optimization of a Rotor System due to Its Support Stiffness Uncertainty. Shock and Vibration،Vol. 2020, no. 2020, pp.1-11.
https://search.emarefa.net/detail/BIM-1209723
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Xu, Bensheng…[et al.]. Intelligent Approach to Robust Design Optimization of a Rotor System due to Its Support Stiffness Uncertainty. Shock and Vibration No. 2020 (2020), pp.1-11.
https://search.emarefa.net/detail/BIM-1209723
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Xu, Bensheng& Zang, Chaoping& Zhang, Genbei. Intelligent Approach to Robust Design Optimization of a Rotor System due to Its Support Stiffness Uncertainty. Shock and Vibration. 2020. Vol. 2020, no. 2020, pp.1-11.
https://search.emarefa.net/detail/BIM-1209723
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1209723
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر
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