Results 211 to 220 of about 955,883 (263)
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2004 International Conferce on Test, 2005
Stochastic coding is used to design X-tolerant signature analyzers that can detect defective chips even in the presence of unknown logic values (X's). These signature analyzers can be used for built-in-self-test applications and test data compression. Application of this technique to industrial designs shows that thousands of X's can be tolerated while
Subhasish Mitra +2 more
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Stochastic coding is used to design X-tolerant signature analyzers that can detect defective chips even in the presence of unknown logic values (X's). These signature analyzers can be used for built-in-self-test applications and test data compression. Application of this technique to industrial designs shows that thousands of X's can be tolerated while
Subhasish Mitra +2 more
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Tolerance Analysis Supports Tolerance Assignment
International Journal of Manufacturing, Materials, and Mechanical Engineering, 2018This work presents a method to support product design, since it shows how to use together tolerance assignment and analysis for choosing among different set of tolerances assigned to the same product. It starts from tolerance assignment that produces different sets of tolerances for the product components which are all acceptable from a functional ...
Polini W., Corrado A., Cavaliere C.
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A new way to solve tolerance analysis: the Cassino Unified Tolerance Analysis tool
International Journal of Computer Integrated Manufacturing, 2018ABSTRACTIn the last 30 years, many research works were carried out on the tolerance analysis. Historically, tolerance analysis of rigid assemblies was always separated by that of compliant assemblies. In this work, a new tool is proposed, aiming to numerically execute a tolerance analysis without making distinction between rigid and complaint ...
Corrado A., Polini W.
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Process Signature Modeling for Tolerance Analysis
Journal of Computing and Information Science in Engineering, 2010Many well-known approaches exist in the literature for tolerance analysis. All the methods proposed in the literature consider the dimensional and the geometric tolerances applied to some critical points (contact points among profiles belonging to couples of parts) on the surface of the assembly components.
Ascione R., POLINI, Wilma, Semeraro Q.
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2011
This chapter focuses on five main literature models of geometric tolerance analysis – vector loop, variational, matrix, Jacobian, and torsor – and makes a comparison between them in order to highlight the advantages and the weaknesses of each, with the goal of providing a criterion for selecting the most suitable one, depending on the application.
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This chapter focuses on five main literature models of geometric tolerance analysis – vector loop, variational, matrix, Jacobian, and torsor – and makes a comparison between them in order to highlight the advantages and the weaknesses of each, with the goal of providing a criterion for selecting the most suitable one, depending on the application.
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Tolerance Analysis of Mechanical Assemblies with Asymmetric Tolerances
SAE Technical Paper Series, 2007<div class="htmlview paragraph">This paper presents modified relations for worst-case and root-sum-square (RSS) tolerance accumulation models for tolerance analysis of mechanical assemblies with asymmetric tolerances. The common models do not consider the sign of the sensitivity factors and thus are applicable to symmetric tolerances only.
Mohammad R. Movahhedy, Saeed Khodaygan
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Tolerance Representation and Analysis in Industrial Inspection
Journal of Intelligent and Robotic Systems, 1999zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Tarek M. Sobh +2 more
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A Comparative Study Of Tolerance Analysis Methods
Journal of Computing and Information Science in Engineering, 2004This paper reviews four major methods for tolerance analysis and compares them. The methods discussed are: (1) one-dimensional tolerance charts; (2) parametric tolerance analysis, especially parametric analysis based on the Monte Carlo simulation; (3) vector loop (or kinematic) based tolerance analysis; and (4) ASU Tolerance-Map® (T-Map®) (Patent ...
Zhengshu Shen +3 more
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Tolerance Analysis With Polytopes in HV-Description
Journal of Computing and Information Science in Engineering, 2016This article proposes the use of polytopes in HV-description to solve tolerance analysis problems. Polytopes are defined by a finite set of half-spaces representing geometric, contact, or functional specifications. However, the list of the vertices of the polytopes is useful for computing other operations as Minkowski sums.
Arroyave-Tobón, Santiago +2 more
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Variational Solid Modeling for Tolerance Analysis
ASME 1991 Computers in Engineering Conference: Volume 1 — Artificial Intelligence; Expert Systems; CAD/CAM/CAE; Computational Fluid/Thermal Engineering, 1991Abstract Variational solid modeling is concerned with the development of solid models that allow for variation. In particular, this paper is motivated by the use of variational solid models for the analysis of design tolerances. Variations are applied to a part boundary model by independently varying each surface.
Suvajit Gupta, Joshua U. Turner
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