scholarly journals Functional Representations In Conceptual Design: A First Study In Experimental Design And Evaluation

2020 ◽  
Author(s):  
Michael Van Wie ◽  
Kristin Wood ◽  
Robert Stone ◽  
Julie Linsey ◽  
Matthew Green
2021 ◽  
pp. 88-93
Author(s):  
Vladimir V. Vinogradov

The article presents some models of household luminaires. Sculptural characteristics and creative solutions of luminaires designed in mid‑1980s are presented. Design approach and creative experiment techniques of design are described. Conceptual options and models of leading Soviet industrial engineers are shown. Methods of design experiments are revealed. Availability of non-conventional design approach (the experiment method) and necessity of its improvement are noted. It was the All-Union Research Institute of Technical Aesthetics (VNIITE) that established perfect conditions for this.


2021 ◽  
Vol 1209 (1) ◽  
pp. 012029
Author(s):  
T Baroš ◽  
D Katunský

Abstract This paper is to present the chosen methodology for research and thus approach the design process through biomimicry. The described methodology is applied in parasitic architecture research, focusing on developing the experimental design of architectural structure using artificial intelligence and thus approach and support the central hypothesis of the work -the effort to create self-designing and self-growing / developing architecture. Furthermore, the paper outlines the ontology as a model of knowledge, a source of data for the developed software © PAF A.I. and a source of inspiration influencing the final design of the proposed architectural structure. The way in which such an ontological resource is processed for research purposes and how it participates in the final design within the verification and validation of the whole conceptual design is also described. Besides, the paper explains why the ontology in question is essential and what was established as its content.


Author(s):  
Lin Yuan ◽  
Yusheng Liu

The purpose of conceptual design is to build the function structure and find the principle solution for fulfilling it. A formal functional representation is needed for decomposing the overall function to sub-functions with the computer-aid reasoning process. However, the existing functional representations lack of supporting the description of attributes and internal structures of input/output material flows. Material flow may be much more complicated than the other two kinds of flows (signal flow and energy flow) since its geometry and topology may be very complex, and which hinders the automated functional decomposition. In this paper, we propose a hierarchical material representation for the working machines which use material as the primary input/output flows. We combine input/output transformation model with “verb+noun” pairs, using the standard vocabulary of functional basis, to model function formally and objectively. Therefore, the functional effects can be inferred from the information contained in flows. Moreover, we propose the concept of action as an operation process that bridge what and how of one function to guide the further decomposition. Finally, a prototype tool is developed as a MagicDraw’s plug-in to implement the decomposition process.


Author(s):  
Tjamme Wiegers ◽  
Joris S. M. Vergeest

Abstract In spite of the advances of current CAD systems, the conceptual phases of design still suffer from lack of appropriate support tools. Contemporary research toward design support and automation puts substantial effort into the development of improved Computer-Aided Conceptual Design (CACD) and Computer-Aided Industrial Design (CAID) systems, both by industrial R&D and by science academia. However, there are indications that some of the persistent problems can only be solved if we more deeply understand what the requirements for the tools are. We extracted these requirements from two sources, from practicing designers in industry based on an inquiry, and from data generated in experimental design processes. The inquiry indicated that improved CAD tools for conceptual design were lacking and would be welcomed if they were available. It was also explicitly revealed that even in the earliest phase of conceptual design, the enforcing of constraints to the designed shape was rated as crucial, besides an unlimited freedom of shape modeling as, e.g. offered by virtual claying. In general, a computer-based, early evaluation and analysis of design alternatives was ranked as the most urgent type of tool that should be developed. Analysis of the protocol data from the design experiments revealed two items. First, the technical quality of the designs obtained by the test subjects suffered from a lack of intermediate evaluation. Second, the subjects often neglected to utilize an evaluation tool when it was provided. From the extracted requirements we were able to derive recommendations for the research into better CACD tools. We also present some recent results that we obtained when we followed the recommendations.


2018 ◽  
Vol 41 ◽  
Author(s):  
Wei Ji Ma

AbstractGiven the many types of suboptimality in perception, I ask how one should test for multiple forms of suboptimality at the same time – or, more generally, how one should compare process models that can differ in any or all of the multiple components. In analogy to factorial experimental design, I advocate for factorial model comparison.


2019 ◽  
Vol 42 ◽  
Author(s):  
J. Alfredo Blakeley-Ruiz ◽  
Carlee S. McClintock ◽  
Ralph Lydic ◽  
Helen A. Baghdoyan ◽  
James J. Choo ◽  
...  

Abstract The Hooks et al. review of microbiota-gut-brain (MGB) literature provides a constructive criticism of the general approaches encompassing MGB research. This commentary extends their review by: (a) highlighting capabilities of advanced systems-biology “-omics” techniques for microbiome research and (b) recommending that combining these high-resolution techniques with intervention-based experimental design may be the path forward for future MGB research.


1978 ◽  
Vol 48 ◽  
pp. 7-29
Author(s):  
T. E. Lutz

This review paper deals with the use of statistical methods to evaluate systematic and random errors associated with trigonometric parallaxes. First, systematic errors which arise when using trigonometric parallaxes to calibrate luminosity systems are discussed. Next, determination of the external errors of parallax measurement are reviewed. Observatory corrections are discussed. Schilt’s point, that as the causes of these systematic differences between observatories are not known the computed corrections can not be applied appropriately, is emphasized. However, modern parallax work is sufficiently accurate that it is necessary to determine observatory corrections if full use is to be made of the potential precision of the data. To this end, it is suggested that a prior experimental design is required. Past experience has shown that accidental overlap of observing programs will not suffice to determine observatory corrections which are meaningful.


2011 ◽  
Vol 20 (4) ◽  
pp. 109-113
Author(s):  
Karen Copple ◽  
Rajinder Koul ◽  
Devender Banda ◽  
Ellen Frye

Abstract One of the instructional techniques reported in the literature to teach communication skills to persons with autism is video modeling (VM). VM is a form of observational learning that involves watching and imitating the desired target behavior(s) exhibited by the person on the videotape. VM has been used to teach a variety of social and communicative behaviors to persons with developmental disabilities such as autism. In this paper, we describe the VM technique and summarize the results of two single-subject experimental design studies that investigated the acquisition of spontaneous requesting skills using a speech generating device (SGD) by persons with autism following a VM intervention. The results of these two studies indicate that a VM treatment package that includes a SGD as one of its components can be effective in facilitating communication in individuals with autism who have little or no functional speech.


Author(s):  
Ehud Kroll ◽  
Sridhar S. Condoor ◽  
David G. Jansson
Keyword(s):  

2014 ◽  
Vol 73 (4) ◽  
pp. 243-248 ◽  
Author(s):  
Annick Darioly ◽  
Ronald E. Riggio

This study examines how applicants who are relatives of the company’s executives are perceived when they are being considered for a leadership position. In a 2 (Family ties: with vs. without) × 2 (Applicant qualifications: well-qualified vs. underqualified) experimental design, 165 Swiss employees read the applicant’s job application and evaluated the hiring decision, the perceived competence, and the perceived career progress of the target employee. This research showed that even a well-qualified potential employee received a more negative evaluation if the candidate had family ties to the company. Despite their negative evaluation of potential nepotistic hires, the participants nevertheless believed that family ties would boost the career progress of an underqualified applicant. Limitations and implications are discussed.


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