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dc.contributor.advisorDavid E. Hardt.en_US
dc.contributor.authorLee, Shien Yangen_US
dc.contributor.otherMassachusetts Institute of Technology. Department of Mechanical Engineering.en_US
dc.date.accessioned2018-03-02T21:39:15Z
dc.date.available2018-03-02T21:39:15Z
dc.date.copyright2017en_US
dc.date.issued2017en_US
dc.identifier.urihttp://hdl.handle.net/1721.1/113920
dc.descriptionThesis: M. Eng. in Advanced Manufacturing and Design, Massachusetts Institute of Technology, Department of Mechanical Engineering, 2017.en_US
dc.descriptionThis electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.en_US
dc.descriptionCataloged from student-submitted PDF version of thesis.en_US
dc.descriptionIncludes bibliographical references (pages 95-98).en_US
dc.description.abstractAn artifact-based height error mapping and compensation method for fused lament fabrication machines ("3D printers") is developed. In the proposed method, an error mapping artifact is produced and inspected using a coordinate measuring machine to determine height errors at 81 discrete points in the machine's work envelope. A polynomial regression model is fitted to this measured data and used to generate height error predictions at each point in the volume of novel parts. Finally, height error compensation based on the aforementioned model is applied by modifying G-code sequences used to drive the machine. Preliminary experimental validation of the proposed method's efficacy was carried out on NVPro fused lament fabrication machines manufactured by New Valence Robotics Corporation. Results suggest the proposed method is capable of reducing systematic height errors and spatial dependence of height errors over the work volume studied. However, these improvements are attenuated by an accompanying increase in random height variation resulting from the intervention. Recommendations for further testing, refinement, and application of the proposed error mapping and compensation method are presented.en_US
dc.description.statementofresponsibilityby Shien Yang Lee.en_US
dc.format.extent119 pagesen_US
dc.language.isoengen_US
dc.publisherMassachusetts Institute of Technologyen_US
dc.rightsMIT theses are protected by copyright. They may be viewed, downloaded, or printed from this source but further reproduction or distribution in any format is prohibited without written permission.en_US
dc.rights.urihttp://dspace.mit.edu/handle/1721.1/7582en_US
dc.subjectMechanical Engineering.en_US
dc.titleHeight error mapping and compensation for a fused filament fabrication machineen_US
dc.typeThesisen_US
dc.description.degreeM. Eng. in Advanced Manufacturing and Designen_US
dc.contributor.departmentMassachusetts Institute of Technology. Department of Mechanical Engineering.en_US
dc.identifier.oclc1023497811en_US


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