{"id":{"repo_id":"vt","oai_identifier":"oai:vtechworks.lib.vt.edu:10919/41765"},"canonical_url":"https://search.dev.ndltd.org/etd/vt/oai:vtechworks.lib.vt.edu:10919/41765","repository":{"repo_id":"vt","name":"Virginia Tech","base_url":"https://vtechworks.lib.vt.edu/oai/request"},"display":{"title":"Nonlinear PID controller","abstract":"An algorithm to design simple gain scheduled nonlinear PID controllers for nonlinear plants is investigated. Design information is obtained from measurements of the nonlinear plant about selected equilibrium points. Simulations are performed on two different nonlinear CSTR models. The first simulation produced an unexpected result: that linear output feedback performed better than state feedback for the particular model. The second simulation showed that the nonlinear PID controller performed as well as a complex nonlinear controller. A literature search for similar nonlinear controllers concluded that the nonlinear PID controller presented in this thesis did not provide a unified framework for previous work.","abstract_html":"An algorithm to design simple gain scheduled nonlinear PID controllers for nonlinear plants is investigated. Design information is obtained from measurements of the nonlinear plant about selected equilibrium points. Simulations are performed on two different nonlinear CSTR models. The first simulation produced an unexpected result: that linear output feedback performed better than state feedback for the particular model. The second simulation showed that the nonlinear PID controller performed as well as a complex nonlinear controller. A literature search for similar nonlinear controllers concluded that the nonlinear PID controller presented in this thesis did not provide a unified framework for previous work.","abstract_has_math":false,"creators":["Murray, Nicholas Durante"],"institution":"Virginia Tech","degree_name":"Master of Science","degree_level":"masters","degree_discipline":"Electrical Engineering","degree_department":"Electrical Engineering","school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1990,"date_issued":"1990","date_published":"1990","updated_at":"2026-07-22T22:19:57Z","subjects":[],"languages":["en"],"rights":["In Copyright"],"rights_urls":["http://rightsstatements.org/vocab/InC/1.0/"],"identifier_entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["etd-03242009-040653"],"render_values":[{"text":"etd-03242009-040653","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10919/41765","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.department","label":"Department","values":["Electrical Engineering"]},{"key":"dc:creator","label":"Author","values":["Murray, Nicholas Durante"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-03-14T21:32:15Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-03-14T21:32:15Z","2009-03-24"]},{"key":"dc:date.issued","label":"Date","values":["1990"]},{"key":"dc:publisher","label":"Institution","values":["Virginia Tech"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"dc:type.dcmitype","label":"Dc Type Dcmitype","values":["Text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Electrical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Virginia Polytechnic Institute and State University"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["In Copyright"]},{"key":"dc:rights.uri","label":"Rights URI","values":["http://rightsstatements.org/vocab/InC/1.0/"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["etd-03242009-040653"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/10919/41765"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["An algorithm to design simple gain scheduled nonlinear PID controllers for nonlinear plants is investigated. Design information is obtained from measurements of the nonlinear plant about selected equilibrium points. Simulations are performed on two different nonlinear CSTR models. The first simulation produced an unexpected result: that linear output feedback performed better than state feedback for the particular model. The second simulation showed that the nonlinear PID controller performed as well as a complex nonlinear controller. A literature search for similar nonlinear controllers concluded that the nonlinear PID controller presented in this thesis did not provide a unified framework for previous work."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["Master of Science"]},{"key":"dc:format.medium","label":"Dc Format Medium","values":["BTD"]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Nonlinear PID controller"]}]}],"canonical_facts":{"dc:contributor.department":["Electrical Engineering"],"dc:creator":["Murray, Nicholas Durante"],"dc:date.accessioned":["2014-03-14T21:32:15Z"],"dc:date.available":["2014-03-14T21:32:15Z","2009-03-24"],"dc:date.issued":["1990"],"dc:description.abstract":["An algorithm to design simple gain scheduled nonlinear PID controllers for nonlinear plants is investigated. Design information is obtained from measurements of the nonlinear plant about selected equilibrium points. Simulations are performed on two different nonlinear CSTR models. The first simulation produced an unexpected result: that linear output feedback performed better than state feedback for the particular model. The second simulation showed that the nonlinear PID controller performed as well as a complex nonlinear controller. A literature search for similar nonlinear controllers concluded that the nonlinear PID controller presented in this thesis did not provide a unified framework for previous work."],"dc:description.degree":["Master of Science"],"dc:format.medium":["BTD"],"dc:format.mimetype":["application/pdf"],"dc:identifier.other":["etd-03242009-040653"],"dc:identifier.uri":["http://hdl.handle.net/10919/41765"],"dc:language.iso":["en"],"dc:publisher":["Virginia Tech"],"dc:rights":["In Copyright"],"dc:rights.uri":["http://rightsstatements.org/vocab/InC/1.0/"],"dc:title":["Nonlinear PID controller"],"dc:type":["Thesis"],"dc:type.dcmitype":["Text"],"thesis:degree_discipline":["Electrical Engineering"],"thesis:degree_level":["masters"],"thesis:degree_name":["Master of Science"],"thesis:institution_name":["Virginia Polytechnic Institute and State University"]},"updated_at":"2026-07-22T22:19:57Z"}