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A key concern in this context is the achievable path accuracy, which is limited by assembly and manufacturing tolerances of the gearing components in conjunction with load-dependent deformation and the inherent backlash of the system. To address this issue, this paper presents a method for robust modeling of the individual and state-dependent transmission errors of a drive utilizing a two-stage machine learning approach. Based on this, the position control is extended to include an error compensation, which suppresses the modeled deviations in the mechanical system including the position-dependent backlash. The achievable increase in path accuracy as well as the robustness of the approach are evaluated and quantified by an experimental validation on a system with industry standard components.", "doi" : "10.23919/ECC64448.2024.10591213", "bibtexKey": "10591213" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2dcbd7d1383b2d1fb49e78e5c2a25817a/isw-bibliothek", "tags" : [ "tool","Learning","Compensation","Feed","drive","Machine" ], "intraHash" : "dcbd7d1383b2d1fb49e78e5c2a25817a", "interHash" : "2089008983eb6ff2a8073a674a8ff704", "label" : "Adaptive compensation of the transmission errors in rack-and-pinion drives", "user" : "isw-bibliothek", "description" : "", "date" : "2022-08-09 08:52:30", "changeDate" : "2022-08-09 06:52:30", "count" : 2, "pub-type": "article", "journal": "CIRP Annals","publisher":"Elsevier BV", "year": "2022", "url": "https://doi.org/10.1016%2Fj.cirp.2022.03.026", "author": [ "Alexander Verl","Lukas Steinle" ], "authors": [ {"first" : "Alexander", "last" : "Verl"}, {"first" : "Lukas", "last" : "Steinle"} ], "editor": [ "CIRP Annals Manufacturing Technology" ], "editors": [ {"first" : "CIRP Annals Manufacturing", "last" : "Technology"} ], "volume": "71","number": "1","pages": "345--348", "doi" : "10.1016/j.cirp.2022.03.026", "bibtexKey": "Verl_2022" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2e06a943bebc4ebf4a8ce18c84c4c3d47/isw-bibliothek", "tags" : [ "myown","Compensation","Measurement","Quality","Manufacturing","ISW" ], "intraHash" : "e06a943bebc4ebf4a8ce18c84c4c3d47", "interHash" : "c56812079ba567485a70c05149ab93b3", "label" : "Smart centering for rotation-symmetric parts in multi-stage production systems for zero-defect manufacturing", "user" : "isw-bibliothek", "description" : "", "date" : "2019-03-14 16:56:00", "changeDate" : "2019-03-14 18:02:45", "count" : 2, "pub-type": "article", "journal": "Procedia CIRP", "year": "2019", "url": "http://www.sciencedirect.com/science/article/pii/S2212827119301192", "author": [ "Colin Reiff","Florian Eger","Philipp Tempel","Maria Chiara Magnanini","Jon Ander Ortiz","Marcello Colledani","Alexander Verl","Iñigo Sarries" ], "authors": [ {"first" : "Colin", "last" : "Reiff"}, {"first" : "Florian", "last" : "Eger"}, {"first" : "Philipp", "last" : "Tempel"}, {"first" : "Maria Chiara", "last" : "Magnanini"}, {"first" : "Jon Ander", "last" : "Ortiz"}, {"first" : "Marcello", "last" : "Colledani"}, {"first" : "Alexander", "last" : "Verl"}, {"first" : "Iñigo", "last" : "Sarries"} ], "volume": "79","pages": "27 - 32","note": "12th CIRP Conference on Intelligent Computation in Manufacturing Engineering, 18-20 July 2018, Gulf of Naples, Italy","abstract": "During manufacturing, geometrical deviations occur, e.g. due to heating processes. In multi-stage production systems, these errors propagate and lead to expensive rework or, even, to unusable products. In this paper, a method for smart centering of rotation-symmetric parts is introduced. The method is used in the scope of achieving zero-defect manufacturing processes. For this purpose, the products are measured and automatically compared with the required specifications. Based on the identified deviations, process parameters can be adjusted and thus, defects can be compensated in downstream production steps. The method is exemplified in the context of an industrial use case.", "issn" : "2212-8271", "doi" : "https://doi.org/10.1016/j.procir.2019.02.006", "bibtexKey": "REIFF201927" } ] }