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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Estudo analítico-experimental de precisão de posicionamento de um manipulador

Hirata, Tamotsu 03 1900 (has links)
Submitted by maria angelica Varella (angelica@sibi.ufrj.br) on 2018-03-01T17:40:02Z No. of bitstreams: 1 159305.pdf: 1734188 bytes, checksum: 80e04cab439583f552a9dac4334f687d (MD5) / Made available in DSpace on 2018-03-01T17:40:02Z (GMT). No. of bitstreams: 1 159305.pdf: 1734188 bytes, checksum: 80e04cab439583f552a9dac4334f687d (MD5) Previous issue date: 1983-03 / CNPq / Este trabalho consiste em um estado básico analítico-experimental para precisão de posicionamento de um manipulador mecânico. Ao analisar a precisão, considerou-se as deflexões causadas pelo peso aplicado na garra do manipulador e também uma influência da tolerância geométrica na construção do mesmo. Para tal análise, o protótipo de um manipulador com cinco graus de liberdade foi desenvolvido. As medidas de deflexão e a influência da tolerância foram feitas estaticamente em cada posição do manipulador. Os resultados experimentais foram comparados com os teóricos a fim de consistência dos mesmos. / This work consists of a basic analytical and experimental study for the precision of the positioning of a mechanical manipulator. On analyzing the precision, the deflection caused by the weight applied to the grip was considered, as well as aninfluence of the geometric tolerance in the construction of the manipulator. For such analysis, the prototype of a manipulator with five degrees of freedom was developed. The deflection measurement and the influence of the tolerance were made estaticaly at each position of the manipulator. The experimental results were compared with the theoretical in order to verify their consistency.

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