Cumincad : CUMINCAD Papers : Search Results

CumInCAD is a Cumulative Index about publications in Computer Aided Architectural Design
supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures

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_id	eced
authors	Gries, David
year	1981
title	The Science of programming
source	xiii, 366 p. New York: Springer-Verlag, 1981. include bibliography: p. [355]- 357 and index. -- (Texts and Monographs in Computer Science)
summary	Part 1 is an introduction to the propositional and predicate calculi. Part 2 defines a small language in terms of weakest preconditions. Part 3 is the heart of the book, where the reader is asked questions and is expected to answer. Not all answers are given
keywords	programming, techniques
series	CADline
last changed	1999/02/12 15:08

_id	abcd
authors	Lewis, H. and Papadimitriou, C.
year	1981
title	Elements of the Theory of Computation
source	Prentice Hall, New Jersey
summary	Provides an introduction to the classical and contemporary theory of computation and deep insights into the fundamental paradigms of computer science. Covers sets, relations, and languages, finite automata & Turing machines. Revised new edition. DLC: Machine theory.
series	other
last changed	2003/04/23 15:14

_id	sigradi2008_166
id	sigradi2008_166
authors	Papanikolaou, Dimitris
year	2008
title	Digital Fabrication Production System Theory: Towards an Integrated Environment for Design and Production of Assemblies
source	SIGraDi 2008 - [Proceedings of the 12th Iberoamerican Congress of Digital Graphics] La Habana - Cuba 1-5 December 2008
summary	A Digital Fabrication Production System (DFPS) is a concept describing a set of processes, tools, and resources that will be able to produce an artifact according to a design, fast, cheap, and easy, independently of location. A DFPS project is a complex assembly of custom parts that is delivered by a network of fabrication and assembly processes. This network is called the value chain. The workflow concept of a DFPS is the following: begin design process with a custom geometric form; decompose it into constructible parts; send the part files for fabrication to various locations; transport all parts at the construction site at the right time; finally, assemble the final artifact. Conceptually it means that based on a well structured value chain we could build anything we want, at anyplace, at controllable cost and quality. The goals of a DFPS are the following: custom shapes, controllable lead time, controllable quality, controllable cost, easiness of fabrication, and easiness of assembly. Simply stated this means to build any form, anywhere, accurately, cheap, fast, and easy. Unfortunately, the reality with current Digital Fabrication (DF) projects is rather disappointing: They take more time than what was planned, they get more expensive than what was expected, they involve great risk and uncertainty, and finally they are too complex to plan, understand, and manage. Moreover, most of these problems are discovered during production when it is already late for correction. However, there is currently no systematic approach to evaluate difficulty of production of DF projects in Architecture. Most of current risk assessment methods are based on experience gathered from previous similar cases. But it is the premise of mass customization that projects can be radically different. Assembly incompatibilities are currently addressed by building physical mockups. But physical mockups cause a significant loss in both time and cost. All these problems suggest that an introduction of a DFPS for mass customization in architecture needs first an integrated theory of assembly and management control. Evaluating feasibility of a DF project has two main problems: first, how to evaluate assemblability of the design; second, how to evaluate performance of the value chain. Assemblability is a system’s structure problem, while performance is a system’s dynamics problem. Structure of systems has been studied in the field of Systems Engineering by Network Analysis methods such as the Design Structure Matrix (DSM) (Steward 1981), and the liaison graph (Whitney 2004), while dynamics of systems have been studied by System Dynamics (Forrester 1961). Can we define a formal method to evaluate the difficulty of production of an artifact if we know the artifact’s design and the production system’s structure? This paper formulates Attribute Process Methodology (APM); a method for assessing feasibility of a DFPS project that combines Network Analysis to evaluate assemblability of the design with System Dynamics to evaluate performance of the value chain.
keywords	Digital Fabrication, Production System, System Dynamics, Network Analysis, Assembly
series	SIGRADI
email
last changed	2016/03/10 09:57

_id	8d0f
authors	Pattis, Richard E.
year	1981
title	Karel the Robot : A Gentle Introduction to the Art of Programming
source	New York: John Wiley & sons Inc., 1981
summary	An introduction to programming in PASCAL. The book is arranged as a full programming course including homework problems for the students
keywords	programming, languages, PASCAL
series	CADline
last changed	2003/06/02 10:24

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