Computer environments for the design of mechanical assemblies: A research review

Libardi, Eugene C.; Dixon, John R.; Simmons, Melvin K.

doi:10.1007/bf01349624

Cited by 53 publications

(16 citation statements)

References 27 publications

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“…A formalism that supports design representations at multiple levels of abstractions and detail appropriate to different stages of the design process is needed (Libardi et al, 1988). For example, whereas the representation might focus on functional and manufacturing issues at early stages, much later a detailed specification of dimensional and manufacturing information will be needed (Hoover et al, 1991).…”

Section: Interfacing Computational Elements To Applicationsmentioning

confidence: 99%

A framework for rapid computational prototyping of manufacturing entities

Banerjee

1992

J Intell Manuf

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A framework for enhancement of conceptual tools for rapid computational prototyping of manufacturing entities is presented. A typical manufacturing entity (i.e. manufacturing system and/or individual part) is hierarchically represented in a computer and coupled with applications by dividing its information content into three computational elements: data, drawing and user interface. The information content is divided in this way because each of the above elements has a sufficiently distinct requirement for an efficient computer implementation. Although independent advances have taken place in computer data representation by highly efficient and focused data structures, in drawing representation by sophisticated computer graphics, as well as in user interface by a variety of interface media, these advances cannot be directly utilized in the design of a manufacturing entity unless they are efficiently integrated by relatively small programming effort as is described in this rapid prototyping framework. The framework is implemented in object-oriented programming. A breadth of application areas for the framework is illustrated, and specific details are illustrated with reference to depth in one application area.

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Section: Interfacing Computational Elements To Applicationsmentioning

confidence: 99%

A framework for rapid computational prototyping of manufacturing entities

Banerjee

1992

J Intell Manuf

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“…EISs augment tool-to-tool data exchange by specifying data formats, communication protocols, and data management rules (e.g., configuration management, dependency tracking, version control, security). A given EIS may contain a discipline-specific information model (Hadely & Sommerville, 1990;Libardi et al, 1988;Rangan & Fulton, 1991;Roussopoulous et al, 1991), but, in general, these systems possess no task or user knowledge and no means to exercise autonomous task control. 7 A simple decision aid that can process raw data would behave in a largely algorithmic fashion.…”

Section: Aztonomy/intelligence Combinationsmentioning

confidence: 99%

Automated Information Management for Designers: Functional Requirements for Computer Based Associates That Support Access and Use of Technical Information in Design

Cody¹,

Rouse²,

Boff³

1993

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Public reporting burden for this collection of information is estimated to average 1 hour per response. including the time for reviewing instructions. searching existing data sources. gatherq a•nd maintaining the data needed, and completing and reviewing the collection of information Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden. ABSTRACT (Maximum 200 words)The purpose of this program was to analyze the process of complex system design to determine why designers often fail to consider potentially valuable technical information in making design decisions.Based on this analysis, the goal was to define functional requirements for a new class of supports that will enhance designers' access and use of such information.Termed Designer's Associates, these supports derive from a thorough understanding of designer's tasks and the services that intelligent computing technologies make possible.14. The purpose of this program was to analyze the process of complex system design to determine why designers often fail to consider potentially valuable technical information in making design decisions. Based on this analysis, the goal was to define functional requirements for a new class of supports that will enhance designers' access and use of such information. Termed Designer's Associates, these supports derive from a thorough understanding of designers' tasks and the services that intelligent computing technologies make possible.Relevant design information exists in a variety of places, expressed in many forms, of varying quality, etc. It includes both system-specific and system-independent elements. Information also tends to be distributed across "data islands," making availability a problem. The designer may not be aware of, misinterpret, or not value relevant information that could improve his decisions. For better or worse, each designer assesses the costs and benefits associated with information access, and acts in accord with this evaluation. A poor evaluation can effectively block information from affecting design choices. The surrounding milieu, which is composed of co-workers, organizations and technology, can interfere with access and use in a variety of direct and subtle ways.One approach for improving information access and utilization is through use of a new concept in intelligent computer-based supports called "mixed-initiative support systems." In these systems, decision-making authority and task performance can be delegated to machine intelligence to augment human performance. Based on successful application of mixed-initiative systems in the aviation and process control domains, we examine the prospects for applying this technology to information access and use in design. We consider technological needs, system architecture, and how such a support system might be evaluated. The effort involved our examining the processes by which complex systems evolve, with most examples taken from military aircraft and aircr...

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“…27 Meta models have been proposed from which application dependent models can be inferred. One example of this is the IIICAD system; 94 see also section 6.2.…”

Section: The Design-objectmentioning

confidence: 99%

Review of research in feature-based design

1993

Journal of Manufacturing Systems

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Research in feature-based design is reviewed. Feature-based design is regarded as a key factor towards CAD/CAPP integration from a process planning point of view. From a design point of view, featurebased design offers possibilities for supporting the design process better than current CAD systems do. The evolution of feature definitions is briefly discussed. Features and their role in the design process and as representatives of design-objects and design-object knowledge are discussed. The main research issues related to feature-based design are outlined. These are: feature representation, features and tolerances, feature validation, multiple viewpoints towards features, features and standardization, and features and languages. An overview of some academic featurebased design systems is provided. Future research issues in feature-based design are outlined. The conclusion is that feature-based design is still in its infancy, and that more research is needed for a better support of the design process and better integration with manufacturing, although major advances have already been made.

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Computer environments for the design of mechanical assemblies: A research review

Cited by 53 publications

References 27 publications

A framework for rapid computational prototyping of manufacturing entities

A framework for rapid computational prototyping of manufacturing entities

Automated Information Management for Designers: Functional Requirements for Computer Based Associates That Support Access and Use of Technical Information in Design

Review of research in feature-based design

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