Mike Pratt
National Institute of Standards and Technology
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Publication
Featured researches published by Mike Pratt.
international conference on robotics and automation | 2000
JungHyun Han; Mike Pratt; William C. Regli
The field of solid modeling has developed a variety of techniques for unambiguous representations of three-dimensional objects. Feature recognition is a sub-discipline of solid modeling that focuses on the design and implementation of algorithms for detecting manufacturing information from solid models produced by computer-aided design (CAD) systems. Examples of this manufacturing information include features such as holes, slots, pockets and other shapes that can be created on modern computer numerically controlled machining systems. Automated feature recognition has been an active research area in solid modeling for many years and is considered to be a critical component for integration of CAD and computer-aided manufacturing. The paper gives an overview of the state-of-the-art in feature recognition research. Rather than giving an exhaustive survey, we focus on the three of the major algorithmic approaches for feature recognition: graph-based algorithms, volumetric decomposition techniques, and hint-based geometric reasoning. For each approach, we present a detailed description of the algorithms being employed along with some assessments of the technology. We conclude by outlining important open research and development issues.
Rapid Prototyping Journal | 2002
Lalit Patil; Debasish Dutta; Amba D. Bhatt; Kevin K. Jurrens; Kevin W. Lyons; Mike Pratt; Ram D. Sriram
Information models for the representation of product data are being developed as an international standard. However, the current application protocols focus on the representation of homogeneous objects only. This paper suggests an information model to represent heterogeneous objects using the information modeling methodology developed for ISO 10303. The data planning model is then extended to represent the two‐dimensional (2D) slice information using concepts from ISO 10303. The proposed formats are validated by physical realization of objects on two LM machines. This information model will help in providing a uniform base in the development of heterogeneous solid modeling systems. It will also equip the solid modeler with the ability to integrate with other applications and process planning in the domain of layered manufacturing.
DE-Vol.109, Recent Advances in Design for Manufacture | 2000
Ram D. Sriram; Mike Pratt; Shaw C. Feng; Yuyin Song
Archive | 1996
William C. Regli; Mike Pratt
Archive | 2000
Lalit Patil; Debasish Dutta; Amba D. Bhatt; Kevin K. Jurrens; Kevin W. Lyons; Mike Pratt; Ram D. Sriram
Archive | 1998
Debasish Dutta; Anil Kumar; Mike Pratt; Ram D. Sriram
NIST Interagency/Internal Report (NISTIR) - 5662 | 1995
Edward J. Barkmeyer; Ted Hopp; Mike Pratt; Gaylen Rinaudot
Journal of Computer-aided Molecular Design | 2007
Junhwan Kim; Mike Pratt; Raj Iyer; Ram D. Sriram
Rapid Prototyping Journal | 2002
Lalit Patil; Debasish Dutta; Amba D. Bhatt; Kevin K. Jurrens; Kevin W. Lyons; Mike Pratt; Ram D. Sriram
Computer Aided Design Journal - European | 2001
Lalit Patil; Debasish Dutta; Ram D. Sriram; Kevin W. Lyons; Amba D. Bhatt; Mike Pratt; M Allahabad