{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/8330"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/8330","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"Multivariable control of a flotation plant simulator","abstract":"This dissertation describes the application of two multivariable frequency domain techniques in order to design controllers for a “flotation plant”. A flotation plant simulator was designed and constructed at the University of Cape Town. The design of the multivariable controllers was based on a linear time invariant model (in s-domain) developed for the simulator. The two frequency domain techniques, Characteristic Loci (CL) and Inverse Nyquist Array (INA), were implemented in the form of CAD packages. The INA CAD package had already been written at the university but the CL CAD package had to be developed before the design of the controllers could proceed.","abstract_html":"This dissertation describes the application of two multivariable frequency domain techniques in order to design controllers for a “flotation plant”. A flotation plant simulator was designed and constructed at the University of Cape Town. The design of the multivariable controllers was based on a linear time invariant model (in s-domain) developed for the simulator. The two frequency domain techniques, Characteristic Loci (CL) and Inverse Nyquist Array (INA), were implemented in the form of CAD packages. The INA CAD package had already been written at the university but the CL CAD package had to be developed before the design of the controllers could proceed.","abstract_has_math":false,"creators":["Fisher, I P"],"institution":"Department of Electrical Engineering","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Braae, Martin"],"committee_chairs":[],"committee_members":[],"year":1989,"date_issued":"1989","date_published":"1989","updated_at":"2026-07-22T22:23:19Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/8330","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Braae, Martin"]},{"key":"dc:creator","label":"Author","values":["Fisher, I P"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-10-11T12:05:46Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-10-11T12:05:46Z"]},{"key":"dc:date.issued","label":"Date","values":["1989"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Department of Electrical Engineering"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Cape Town"]},{"key":"dc:type","label":"Dc Type","values":["Master Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Masters"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["MSc"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11427/8330"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Includes bibliography."]},{"key":"dc:description.abstract","label":"Abstract","values":["This dissertation describes the application of two multivariable frequency domain techniques in order to design controllers for a “flotation plant”. A flotation plant simulator was designed and constructed at the University of Cape Town. The design of the multivariable controllers was based on a linear time invariant model (in s-domain) developed for the simulator. The two frequency domain techniques, Characteristic Loci (CL) and Inverse Nyquist Array (INA), were implemented in the form of CAD packages. The INA CAD package had already been written at the university but the CL CAD package had to be developed before the design of the controllers could proceed."]},{"key":"dc:title","label":"Title","values":["Multivariable control of a flotation plant simulator"]}]}],"canonical_facts":{"dc:contributor.advisor":["Braae, Martin"],"dc:creator":["Fisher, I P"],"dc:date.accessioned":["2014-10-11T12:05:46Z"],"dc:date.available":["2014-10-11T12:05:46Z"],"dc:date.issued":["1989"],"dc:description":["Includes bibliography."],"dc:description.abstract":["This dissertation describes the application of two multivariable frequency domain techniques in order to design controllers for a “flotation plant”. A flotation plant simulator was designed and constructed at the University of Cape Town. The design of the multivariable controllers was based on a linear time invariant model (in s-domain) developed for the simulator. The two frequency domain techniques, Characteristic Loci (CL) and Inverse Nyquist Array (INA), were implemented in the form of CAD packages. The INA CAD package had already been written at the university but the CL CAD package had to be developed before the design of the controllers could proceed."],"dc:identifier.uri":["http://hdl.handle.net/11427/8330"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Electrical Engineering"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["Multivariable control of a flotation plant simulator"],"dc:type":["Master Thesis"],"dc:type.qualificationlevel":["Masters"],"dc:type.qualificationname":["MSc"]},"updated_at":"2026-07-22T22:23:19Z"}