{"id":{"repo_id":"brazil-ufrn","oai_identifier":"oai:repositorio.ufrn.br:123456789/24502"},"canonical_url":"https://search.dev.ndltd.org/etd/brazil-ufrn/oai:repositorio.ufrn.br:123456789/24502","repository":{"repo_id":"brazil-ufrn","name":"Brazil UFRN","base_url":"https://repositorio.ufrn.br/server/oai/request"},"display":{"title":"Estudo e construção de um motor de indução de rotor externo de pequeno porte utilizado como motor-mancal","abstract":"This thesis aims the study and construction of a prototype of a small three-phase induction motor (28.6 mm outside diameter and 15 mm height), with the external squirrel cage-type rotor being used as a Bearingless motor. This study started using a conventional Brushless motor and was adapted to function as an external rotor induction motor. The bearingless induction motor uses the split winding configuration to achieve radial positioning. Simulation studies were performed by using the Finite Element Method (FEM), effectively showing that it is possible to control the radial position to keep the rotor spinning. A first prototype was successfully built and tested for a power of 100 W showing good potential for applications in this power range and size, such as those applied in artificial heart systems. The control system was implemented using the Digital Signal Processor - DSP TMS 320F28335.","abstract_html":"This thesis aims the study and construction of a prototype of a small three-phase induction motor (28.6 mm outside diameter and 15 mm height), with the external squirrel cage-type rotor being used as a Bearingless motor. This study started using a conventional Brushless motor and was adapted to function as an external rotor induction motor. The bearingless induction motor uses the split winding configuration to achieve radial positioning. Simulation studies were performed by using the Finite Element Method (FEM), effectively showing that it is possible to control the radial position to keep the rotor spinning. A first prototype was successfully built and tested for a power of 100 W showing good potential for applications in this power range and size, such as those applied in artificial heart systems. The control system was implemented using the Digital Signal Processor - DSP TMS 320F28335.","abstract_has_math":false,"creators":["Barros Filho, Adjair Ferreira"],"institution":"Brasil","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Salazar, Andres Ortiz"],"committee_chairs":[],"committee_members":[],"year":2017,"date_issued":"2017-10-09","date_published":"2017-10-09","updated_at":"2026-07-24T01:20:54Z","subjects":["Bobinado dividido","Motor de indução","Motor-mancal","Rotor externo"],"languages":["por"],"rights":["Acesso Aberto"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://repositorio.ufrn.br/jspui/handle/123456789/24502","outbound_label":"Repository record","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Salazar, Andres Ortiz"]},{"key":"dc:creator","label":"Author","values":["Barros Filho, Adjair Ferreira"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2017-12-13T19:41:36Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2017-12-13T19:41:36Z"]},{"key":"dc:date.issued","label":"Date","values":["2017-10-09"]},{"key":"dc:type","label":"Dc Type","values":["doctoralThesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Bobinado dividido","Motor de indução","Motor-mancal","Rotor externo"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["por"]},{"key":"dc:rights","label":"Dc Rights","values":["Acesso Aberto"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://repositorio.ufrn.br/jspui/handle/123456789/24502"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["This thesis aims the study and construction of a prototype of a small three-phase induction motor (28.6 mm outside diameter and 15 mm height), with the external squirrel cage-type rotor being used as a Bearingless motor. This study started using a conventional Brushless motor and was adapted to function as an external rotor induction motor. The bearingless induction motor uses the split winding configuration to achieve radial positioning. Simulation studies were performed by using the Finite Element Method (FEM), effectively showing that it is possible to control the radial position to keep the rotor spinning. A first prototype was successfully built and tested for a power of 100 W showing good potential for applications in this power range and size, such as those applied in artificial heart systems. The control system was implemented using the Digital Signal Processor - DSP TMS 320F28335."]},{"key":"dc:title","label":"Title","values":["Estudo e construção de um motor de indução de rotor externo de pequeno porte utilizado como motor-mancal"]}]}],"canonical_facts":{"dc:contributor.advisor":["Salazar, Andres Ortiz"],"dc:creator":["Barros Filho, Adjair Ferreira"],"dc:date.accessioned":["2017-12-13T19:41:36Z"],"dc:date.available":["2017-12-13T19:41:36Z"],"dc:date.issued":["2017-10-09"],"dc:description.abstract":["This thesis aims the study and construction of a prototype of a small three-phase induction motor (28.6 mm outside diameter and 15 mm height), with the external squirrel cage-type rotor being used as a Bearingless motor. This study started using a conventional Brushless motor and was adapted to function as an external rotor induction motor. The bearingless induction motor uses the split winding configuration to achieve radial positioning. Simulation studies were performed by using the Finite Element Method (FEM), effectively showing that it is possible to control the radial position to keep the rotor spinning. A first prototype was successfully built and tested for a power of 100 W showing good potential for applications in this power range and size, such as those applied in artificial heart systems. The control system was implemented using the Digital Signal Processor - DSP TMS 320F28335."],"dc:identifier.uri":["https://repositorio.ufrn.br/jspui/handle/123456789/24502"],"dc:language":["por"],"dc:rights":["Acesso Aberto"],"dc:subject":["Bobinado dividido","Motor de indução","Motor-mancal","Rotor externo"],"dc:title":["Estudo e construção de um motor de indução de rotor externo de pequeno porte utilizado como motor-mancal"],"dc:type":["doctoralThesis"]},"updated_at":"2026-07-24T01:20:54Z"}