{"id":{"repo_id":"nps","oai_identifier":"oai:calhoun.nps.edu:10945/28132"},"canonical_url":"https://search.dev.ndltd.org/etd/nps/oai:calhoun.nps.edu:10945/28132","repository":{"repo_id":"nps","name":"Naval Postgraduate School","base_url":"https://calhoun.nps.edu/server/oai/request"},"display":{"title":"Dynamic performance of small diameter tunnel thrusters.","abstract":"The transient response of a small tunnel thruster is studied for step changes in applied voltage to the thruster motor. Previous work on positioning Remotely Operated Vehicles with a ducted propeller had shown that lags in the thruster response caused limit cycling in the vehicle's behavior. These experiments have shown that the influence of the fluid inertia in the tunnel is significant and changes the lagging response to a leading response with a large transient peak following the step input. It is conjectured that such thrusters will enhance vehicle stability.","abstract_html":"The transient response of a small tunnel thruster is studied for step changes in applied voltage to the thruster motor. Previous work on positioning Remotely Operated Vehicles with a ducted propeller had shown that lags in the thruster response caused limit cycling in the vehicle's behavior. These experiments have shown that the influence of the fluid inertia in the tunnel is significant and changes the lagging response to a leading response with a large transient peak following the step input. It is conjectured that such thrusters will enhance vehicle stability.","abstract_has_math":false,"creators":["McLean, Michael B."],"institution":"Monterey, California. Naval Postgraduate School","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":"Mechanical Engineering","school":null,"contributors":[],"advisors":["Healey, Anthony J."],"committee_chairs":[],"committee_members":[],"year":1991,"date_issued":"1991-03","date_published":"1991-03","updated_at":"2026-07-27T20:25:42Z","subjects":[],"languages":["en_US"],"rights":["This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States."],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/10945/28132","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Healey, Anthony J."]},{"key":"dc:contributor.department","label":"Department","values":["Mechanical Engineering"]},{"key":"dc:creator","label":"Author","values":["McLean, Michael B."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["March 1991"]},{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2013-02-15T23:31:11Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2013-02-15T23:31:11Z"]},{"key":"dc:date.issued","label":"Date","values":["1991-03"]},{"key":"dc:publisher","label":"Institution","values":["Monterey, California. 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Previous work on positioning Remotely Operated Vehicles with a ducted propeller had shown that lags in the thruster response caused limit cycling in the vehicle's behavior. These experiments have shown that the influence of the fluid inertia in the tunnel is significant and changes the lagging response to a leading response with a large transient peak following the step input. It is conjectured that such thrusters will enhance vehicle stability."]},{"key":"dc:title","label":"Title","values":["Dynamic performance of small diameter tunnel thrusters."]}]}],"canonical_facts":{"dc:contributor.advisor":["Healey, Anthony J."],"dc:contributor.department":["Mechanical Engineering"],"dc:creator":["McLean, Michael B."],"dc:date":["March 1991"],"dc:date.accessioned":["2013-02-15T23:31:11Z"],"dc:date.available":["2013-02-15T23:31:11Z"],"dc:date.issued":["1991-03"],"dc:description.abstract":["The transient response of a small tunnel thruster is studied for step changes in applied voltage to the thruster motor. Previous work on positioning Remotely Operated Vehicles with a ducted propeller had shown that lags in the thruster response caused limit cycling in the vehicle's behavior. These experiments have shown that the influence of the fluid inertia in the tunnel is significant and changes the lagging response to a leading response with a large transient peak following the step input. It is conjectured that such thrusters will enhance vehicle stability."],"dc:identifier.uri":["https://hdl.handle.net/10945/28132"],"dc:language.iso":["en_US"],"dc:publisher":["Monterey, California. Naval Postgraduate School"],"dc:rights":["This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States."],"dc:title":["Dynamic performance of small diameter tunnel thrusters."],"dc:type":["Thesis"]},"updated_at":"2026-07-27T20:25:42Z"}