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Notes on the design process of a responsive sun-shading system: A case study of designer and user explorations supported by computational tools

Published online by Cambridge University Press:  07 October 2015

Rodrigo Velasco ,
Rubén Hernández ,
Nicolás Marrugo  and
César Díaz
Rodrigo Velasco*
Affiliation:
Programme of Architecture, Universidad Piloto de Colombia, Bogotá, Colombia Façade Engineering, Frontis3D, Bogotá, Colombia
Rubén Hernández
Affiliation:
Programme of Mechatronics Engineering, Universidad Piloto de Colombia, Bogotá, Colombia
Nicolás Marrugo
Affiliation:
Programme of Mechatronics Engineering, Universidad Piloto de Colombia, Bogotá, Colombia
César Díaz
Affiliation:
Design Department, Frontis3D, Bogotá, Colombia
*
Reprint requests to: Rodrigo Velasco, Programme of Architecture, Universidad Piloto de Colombia, Carrera 9 #45, Bogotá, Colombia. E-mail: rodrigo-velasco@unipiloto.edu.co
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Abstract

Responding to growing concerns regarding energy-efficient facades, this paper describes the structure and process followed in the design of a responsive sun-shading system based on the use of rotating plates with two degrees of freedom. The proposal considers, among others, the definition of variable design parameters, areas of performance evaluation and control, and construction detailing development represented by a first 1:2 unit (module) model. In the process, computational simulation procedures were employed to explore configurational possibilities that would provide high-performance solutions to the light requirements of the particular covered spaces. In developing the system, it was noticed that due to the highly subjective requirements of users in terms of quantity and quality of lighting, a purely Boolean control system would not always be appropriate. Following from that, and taking advantage of the dynamic nature of the system, a further approach of control supported by fuzzy logic was also implemented at the operative state, whose logic is explained. Digital simulations were carried out to assess the performance of the system, and their results demonstrate more even light distribution levels compared to traditional systems.

Keywords

Architectural LightingControl SystemsDynamic FacadesFuzzy LogicInteractive Design
Type
Special Issue Articles
Information
AI EDAM , Volume 29 , Special Issue 4: Generative and evolutionary design exploration , November 2015 , pp. 483 - 502
Copyright
Copyright © Cambridge University Press 2015 

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