scholarly journals Multifield direct design method for ultrashort throw ratio projection optics with two tailored mirrors

2016 ◽  
Vol 55 (14) ◽  
pp. 3794 ◽  
Author(s):  
Yunfeng Nie ◽  
Rubén Mohedano ◽  
Pablo Benítez ◽  
Julio Chaves ◽  
Juan C. Miñano ◽  
...  
Keyword(s):  
Design Method ◽  
Direct Design ◽  
Projection Optics

A new direct design method for the medium thickness wind turbine airfoil

2013 ◽  
Vol 43 ◽  
pp. 287-301 ◽  
Author(s):  
Quan Wang ◽  
Jin Chen ◽  
Xiaoping Pang ◽  
Songlin Li ◽  
Xiaofeng Guo
Keyword(s):  
Wind Turbine ◽  
Design Method ◽  
Medium Thickness ◽  
Direct Design ◽  
Wind Turbine Airfoil

EVALUASI DAN PERBAIKAN DESAIN USER INTERFACE UNTUK MENINGKATKAN USER EXPERIENCE PADA APLIKASI MOBILE SIARAN TANGSEL MENGGUNAKAN METODE GOAL DIRECT DESIGN (GDD)

2021 ◽  
Vol 13 (2) ◽  
pp. 157-170
Author(s):  
Diana Nur Yastin ◽  
Hendra Bayu Suseno ◽  
Viva Arifin
Keyword(s):  
User Interface ◽  
Success Rate ◽  
User Experience ◽  
Interface Design ◽  
Design Method ◽  
User Interface Design ◽  
Average Score ◽  
Calculation Technique ◽  
Direct Design ◽  
System Usability Scale

Mobile Siaran is an official reporting application intended for the people of the city of Tangerang Selatan (South Tangerang). However, after conducting interviews with stakeholders and respondents, there were several problems with the display of the mobile application. From the results of the interview, it indicates that there are still some applications that need improvement. To fix the problem with the Mobile Siaran application display, the solution given is to improve the user interface design using the Goal Direct Design method. In addition, it also uses the success rate calculation technique and the System Usability Scale (SUS) to measure the usability value. Meanwhile, the User Experience Questionnaire (UEQ) measures the value of user experience. The result of this research is a user interface design made in stages in the Goal Direct Design method, namely research, modeling, requirements, frameworks, and refinement. The final evaluation, the results of the improvement using calculations, the success rate has increased from 93.5% to 99.3%, SUS from an average score of 58.19 which can be said to be quite satisfactory with the letter D value to 81.83 which can be accepted with the value of the letter A, while UEQ shows all aspects that have improved with very good and good criteria which means that improvements to user interface design can solve problems that exist in the application and improve the user experience.

題目設定引導設計邏輯發展之教學研究

建築學報 ◽  
2021 ◽  
Vol 116 (116-1) ◽  
pp. 055-061
Author(s):  
江梓瑋 江梓瑋
Keyword(s):  
Design Thinking ◽  
Design Method ◽  
Design Approach ◽  
Design Studio ◽  
Design Development ◽  
Specific Design ◽  
Direct Design ◽  
Operation Process ◽  
Thinking Process ◽  
Further Development

<p>傳統的建築設計課程皆以每學期幾次不同題型的設定，期望在設計操作的反復練習中，幫助操作者探索合適的操作方法並從中建立設計邏輯。設計題目的設定規範了操作的方向與期望的成果，但因設計發展並沒有既定的步驟與方法，常因個人經驗與所選擇設計方式的不同，導致過於感性的思維模式，也造就了理性建築設計教學的挑戰。此研究針對題目設定與設計邏輯的關係，試圖避開操作者可預期的結果，並藉過程中不同階段性的操作設定，試圖建立一種設計邏輯發展的依據。</p> <p>&nbsp;</p><p>Traditionally, architecture design studio requires few exercises per semester for students to practice design method and develop design thinking. As design exercises often direct design approach and also establish expectation of outcome, there is no guaranty procedure or design method to follow in order to achieve the best outcome. Since design development heavily based on experience of operation and choice of approach, sensible thinking process is often involved and sets challenge for rational architectural pedagogy. This research aims to exam the design thinking process of students by setting up specific design exercise to avoid predictable operation process, in order to direct specific design approach according to established guidance for further development. </p> <p>&nbsp;</p>

scholarly journals Full-field point-by-point direct design method of off-axis aspheric imaging systems

2016 ◽  
Vol 24 (26) ◽  
pp. 29417 ◽  
Author(s):  
Tongtong Gong ◽  
Guofan Jin ◽  
Jun Zhu
Keyword(s):  
Design Method ◽  
Imaging Systems ◽  
Full Field ◽  
Field Point ◽  
Direct Design

Direct Design of Ducts

2003 ◽  
Vol 125 (1) ◽  
pp. 158-165 ◽  
Author(s):  
A. Ashrafizadeh ◽  
G. D. Raithby ◽  
G. D. Stubley
Keyword(s):  
Fluid Dynamics ◽  
Computational Fluid Dynamics ◽  
Pressure Distribution ◽  
Design Method ◽  
Three Dimensional ◽  
Viscous Flows ◽  
Simple Extension ◽  
Two Dimensional ◽  
Direct Design ◽  
Dependent Variables

This paper describes a method for calculating the shape of duct that leads to a prescribed pressure distribution on the duct walls. The proposed design method is computationally inexpensive, robust, and a simple extension of existing computational fluid dynamics methods; it permits the duct shape to be directly calculated by including the coordinates that define the shape of the duct wall as dependent variables in the formulation. This “direct design method” is presented by application to two-dimensional ideal flow in ducts. The same method applies to many problems in thermofluids, including the design of boundary shapes for three-dimensional internal and external viscous flows.

A direct design method of controllers based on the frequency response indices for servo systems

2018 ◽  
Vol 39 (4) ◽  
pp. 1497-1514
Author(s):  
Songlin Chen ◽  
Ting Chen ◽  
Kemao Ma ◽  
Zongru He ◽  
Yu Yao
Keyword(s):  
Frequency Response ◽  
Design Method ◽  
Servo Systems ◽  
Direct Design

Analytic Loop Shaping Methods in Quantitative Feedback Theory

1994 ◽  
Vol 116 (2) ◽  
pp. 169-177 ◽  
Author(s):  
D. F. Thompson ◽  
O. D. I. Nwokah
Keyword(s):  
Uncertain Systems ◽  
Closed Loop ◽  
Design Method ◽  
Control Design ◽  
Quantitative Feedback Theory ◽  
Single Input Single Output ◽  
Single Output ◽  
Direct Design ◽  
Single Input ◽  
Robust Control Design

Quantitative Feedback Theory (QFT), a robust control design method introduced by Horowitz, has been shown to be useful in many cases of multi-input, multi-output (MIMO) parametrically uncertain systems. Prominent is the capability for direct design to closed-loop frequency response specifications. In this paper, the theory and development of optimization-based algorithms for design of minimum-gain controllers is presented, including an illustrative example. Since MIMO QFT design is reduced to a series of equivalent single-input, single-output (SISO) designs, the emphasis is on the SISO case.

Design of Diffractive Optical Elements by Direct and Indirect Construction of Diffraction Pattern: A Comparative Study

2020 ◽  
Vol 142 (4) ◽  
Author(s):  
Hui Xiong ◽  
Liaoxin Sun
Keyword(s):  
Comparative Study ◽  
Design Method ◽  
Optical Devices ◽  
Diffractive Optical Elements ◽  
Optical Elements ◽  
Design Procedures ◽  
Beam Splitters ◽  
Array Pattern ◽  
Direct Design ◽  
Direct Scheme

Abstract In this work, we present the design method of diffractive beam splitters via two comparative technical routes, the first referred as the direct scheme and the second referred as the indirect scheme. Comparative study is carried on the design procedures and results. The advantages of the direct design scheme include overcoming the limit on the number of phase pixels and being capable of realizing beam shaping and splitting simultaneously. Numerical simulation shows that the uniformity of spots array pattern in the direct design is close to that of the indirect design. These results are helpful for the design and application of diffractive optical elements (DOEs) in modern optical devices.

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