CIFECENTER FOR INTEGRATED FACILITY ENGINEERING Perspectors: Composable, Reusable Reasoning Modules to Automatically Construct a Geometric Engineering View from Other Geometric Engineering Views
نویسندگان
چکیده
As they design, plan, and execute AEC projects, engineers today construct task-specific geometric views based on information contained in other engineers’ geometric views. Traditionally, engineers have constructed these views manually, using pencils and more recently CAD. Manually constructing views is often difficult, time-consuming, and error-prone. Newer approaches develop central project models that predetermine all potential views for a project or for an entire industry; but these approaches are proving difficult to implement due to the multi-disciplinary, constructive, iterative, and unique nature of AEC projects. Current project modeling approaches lack simple formal methods that engineers can use to specify the automatic construction of a new dependent geometric view from information in one or many source geometric views. This research formalizes reusable reasoning modules, called geometric Perspectors, which engineers can use to automatically construct a task-specific geometric engineering view, called a geometric Perspective, from other Perspectives. This paper presents engineering test cases from the design and construction of the Walt Disney Concert Hall to motivate and retrospectively validate this approach. Through implementation of a prototype, the paper gives empirical evidence that engineers can select from a potentially small number of predefined, reusable Perspectors and easily compose them into a directed acyclic graph to construct useful dependent geometric views more quickly and accurately than current practice and theory allows. Perspectors may enable engineers from multiple disciplines to engage in novel automated yet integrated design and analysis by easily yet formally constructing and integrating Perspectives from other Perspectives.
منابع مشابه
Perspectors: composable, reusable reasoning modules to construct an engineering view from other engineering views
As engineers design, plan, and execute architecture, engineering, and construction (AEC) projects, they construct task-specific views. These views contain information that is structured for their specific tasks. Engineers generally construct these views based on information contained in other engineers’ views. Traditionally, engineers have manually constructed these views using pencils and more...
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Enabling engineers to construct integrated and task-specific views of an evolving AEC project is an important and unresolved issue in both practice and research. Many current project-modeling approaches construct and integrate a predefined central model from which task-specific views are constructed. Others construct and integrate a “federation” of predefined task-specific views. AEC processes ...
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This paper presents industry test cases that illustrate the multi-disciplinary, constructive, iterative, and unique character of AEC projects. These test cases show that, to perform their tasks on these projects, AEC engineers construct task-specific engineering views from information in other engineering views. These engineers have difficulty constructing and integrating task-specific views on...
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We formalize a multidisciplinary project model as a directed acyclic graph of dependencies between representations. For the nodes of this graph, we formalize a generic representation, called a “perspective,” which contains “features” that describe the design for a specific task. These features contain data types such as 3D surfaces, lines, and points, as well as relationships to other features....
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