337 Compensation of Gravity-induced Errors on Hexapod-type Parallel Mechanism Machine Tools
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概要
- 論文の詳細を見る
This paper proposes a motion error compensation methodology for a Hexapod-type parallel mechanism machine tool. First, the contouring error attributable to the elastic deformation of struts caused by the gravity is predicted for an arbitrary position and orientation of spindle head. By compensating the predicted error on a reference trajectory, the machine's motion accuracy can be improved. It is experimentally verified that predicted and measured motion trajectories coincide well, even when the spindle is tilted by more than 23 degrees, where the gravity significantly deteriorates the machine's motion accuracy. By applying the proposed compensation method, the motion accuracy is significantly improved particularly near an edge of the machine's workspace.
- 一般社団法人日本機械学会の論文
著者
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茨木 創一
京都大学
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Ibaraki S
Kyoto Univ. Kyoto Jpn
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Ibaraki Soichi
Department Of Precision Engineering Kyoto University
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NAKAGAWA Masao
Department of Information and Computer Science, Keio University
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KAKINO Yoshiaki
Department of Precision Engineering, Kyoto University
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NAKAGAWA Masao
Okuma Corporation
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MATSUSHITA Tetsuya
Okuma Corporation
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ANDO Tomoharu
Okuma Corporation
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Matsushita Tetsuya
Department of Cardiovascular Medicine, Saga University Faculty of Medicine
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Matsushita Tetsuya
Department Of Cardiovascular And Renal Medicine Saga University Faculty Of Medicine
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Ando Tomoharu
Department of Research and Development, Okuma Corporation
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Takaoka Hiroya
Department of Precision Engineering, Kyoto University
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Takaoka Hiroya
Department Of Precision Engineering Kyoto University
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Kakino Yoshiaki
Department Of Precision Engineering Kyoto University
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Nakagawa Masao
Department Of Gastroenterology And Hematology Hokkaido University Graduate School Of Medicine
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Ibaraki Soichi
Department Of Micro Engineering Graduate School Of Engineering Kyoto University
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Nakagawa Masao
Department Of Elect.engineering Keis University
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