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1 Metrology and Measurement Systems

1 2020

2 Podulka P.

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Comparisons of envelope morphological filtering methods and various regular algorithms for surface texture analysis

100%

Podulka P.

tom Vol. 27, nr 2

243--263

In this paper both envelope approach and morphological filters for characterisation of surface textures were proposed, applied and thoroughly examined. Obtained results were compared with those received after appliance of commonly-used algorithms. The effect of appliance of proposed procedures on surface topography parameters (from ISO 25178 standard) was taken into consideration. The following types of surface textures were assessed: two-process plateau-honed cylinder liners, plateau-honed cylinder liners with additionally burnished dimples, turned piston skirts, grinded and/or isotropic topographies. It was assumed that envelope characteristics (envelope filtration) can provide results useful for assessments of deep and/or wide oil-reservoirs especially when they are edge located. Moreover, some near-valley areas of surface texture details can be less distorted when envelope filtering is accomplished. It was also found that closing and/or opening envelope filtration can be valuable for reduction of some surface topography measurement errors.

Comparisons of envelope morphological filtering methods and various regular algorithms for surface texture analysis

86%

Podulka P. , Podulka P.

nr 2