scholarly journals Tolerance Sensitivity Analysis and Robust Optimal Design Method of a Surface-Mounted Permanent Magnet Motor by Using a Hybrid Response Surface Method Considering Manufacturing Tolerances

Energies ◽  
2018 ◽  
Vol 11 (5) ◽  
pp. 1159 ◽  
Author(s):  
Cha-Seung Jun ◽  
Byung-Il Kwon ◽  
Ohbong Kwon
Keyword(s):  
Sensitivity Analysis ◽  
Optimal Design ◽  
Permanent Magnet ◽  
Response Surface ◽  
Design Method ◽  
Permanent Magnet Motor ◽  
Surface Method ◽  
Robust Optimal Design ◽  
Manufacturing Tolerances ◽  
Optimal Design Method

Design Optimization of Opposite Tape-Spring Flexure Hinges

2015 ◽  
Vol 740 ◽  
pp. 99-103
Author(s):  
Hui Yang ◽  
Rong Qiang Liu ◽  
Hong Wei Guo ◽  
Jian Guo Tao
Keyword(s):  
Optimal Design ◽  
Response Surface ◽  
Response Surface Method ◽  
Design Method ◽  
Nsga Ii ◽  
Factorial Method ◽  
Surface Method ◽  
Optimal Design Method ◽  
Relative Errors ◽  
Full Factorial

An optimal design method for the qusai-static folding and deployment of opposite tape-spring flexure (OTSF) hinges is presented based on the response surface method. The full factorial method is employed to design of experiments, and the qusai-static folding and deployment nonlinear analysis is obtained by ABAQUS/Explicit slover. The surrogate models of the OTSF flexure hinge are derived by the response surface method. Considering lightweight and high stability, the peak moment of quasi-static folding and deployment, and maximum Mises stress in complete folding configuration as well as mass are set as the objectives to get the optimal performances. The modified NSGA-II is used to seek for an optimal design. The relative errors of the objectives between the optimal design and the FE analysis results are less than 3.5%.

Robust Optimal Design of a Gas Turbine Cogeneration Plant Under Uncertain Energy Demands and Costs

2015 ◽  
Author(s):  
Ryohei Yokoyama ◽  
Masashi Ohkura ◽  
Tetsuya Wakui
Keyword(s):  
Optimal Design ◽  
Gas Turbine ◽  
Energy Supply ◽  
Design Method ◽  
Performance Comparison ◽  
Energy Demands ◽  
Robust Optimal Design ◽  
Optimal Design Method ◽  
Supply Systems ◽  
Energy Supply Systems

In designing energy supply systems, designers should consider that energy demands and costs as parameters have some uncertainties, evaluate the robustness in system performances against the uncertainties, and design the systems rationally to heighten the robustness. A robust optimal design method of energy supply systems under only uncertain energy demands was revised so that it can be applied to systems with complex configurations and large numbers of periods for variations in energy demands. In addition, a method of comparing performances of two energy supply systems under only uncertain energy demands was proposed by utilizing a part of the revised robust optimal design method. In this paper, the revised robust optimal design method as well as the proposed performance comparison method are extended so that they can be applied to the robust optimal design and the performance comparison of energy supply systems under not only uncertain energy demands but also uncertain energy costs. Through a case study on a gas turbine cogeneration system for district energy supply, the validity and effectiveness of the extended optimal design method and features of the robust optimal design are clarified. In addition, the gas turbine cogeneration system is compared with a conventional energy supply system using the extended performance comparison method.

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