2008
DOI: 10.1080/00207540701241867
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Accessibility analysis for automatic inspection in CMMs by using bounding volume hierarchies

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Cited by 12 publications
(7 citation statements)
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“…The optical sensor visibility problem is a generalisation of the problem of global probe accessibility since the directions of probe accessibility correspond to the visibility points of a laser sensor [38,39,40]. In the literature, several works have used different methods to study accessibility, such as ray-tracing [41], the intersection of spherical crowns [42], local and global projection techniques [33,34] and [43], visibility maps [35], accessibility cone [44], the mathematical method [45] or transformation of part surfaces into facets (STL) and consideration of inspection points as a set [46].…”
Section: Probe Orientation Analysesmentioning
confidence: 99%
“…The optical sensor visibility problem is a generalisation of the problem of global probe accessibility since the directions of probe accessibility correspond to the visibility points of a laser sensor [38,39,40]. In the literature, several works have used different methods to study accessibility, such as ray-tracing [41], the intersection of spherical crowns [42], local and global projection techniques [33,34] and [43], visibility maps [35], accessibility cone [44], the mathematical method [45] or transformation of part surfaces into facets (STL) and consideration of inspection points as a set [46].…”
Section: Probe Orientation Analysesmentioning
confidence: 99%
“…The analysis of PMPs setup and probe configuration for CP3M is mainly integrated into accessibility analysis (Limaiem and Maraghy, 1997; Ziemian and Medeiros, 1997, 1998; Jackman and Park, 1998; Chiang and Chen, 1999; Spitz et al ., 1999; Rico et al ., 2002; Wu et al ., 2004; Alvarez et al ., 2008). If viewed disintegrated, the basic difference is in that the analysis of setup is PMP-oriented, whereas the accessibility analysis is PMP-feature-oriented.…”
Section: Analysis Of Pmps Setup For Cp3mmentioning
confidence: 99%
“…Since ε is a very small value compared with the dimension of S 1 r , the neighborhood of s i,n in the k − n plane could be approximated as an arc with its radius R i,n being the radius of curvature of s i,n in the k-direction, as shown in Fig. 12(c), and s i+1,n = s i,n + 2 2R i,n ε − ε 2 k. (11) For the step over point s i+1,n calculated per (11), there is a corresponding pivot point c i+1,n 1 on C 1 , which ensures that the length of the line segment |s i+1,n c i+1,n 1 | is equal to the stylus length L. Based on this relationship, c i+1,n 1 on C 1 can be calculated…”
Section: Nominal Inspection Path Generationmentioning
confidence: 99%
“…12(b). 1 , e i+1 1 e i+1 2 } can be calculated from (11) to (14). This expansion process iterates, until the surface patch S 1 r is fully sampled with the generated nominal sweeping curves.…”
Section: Nominal Inspection Path Generationmentioning
confidence: 99%
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