{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/23107"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/23107","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Imprecise computation in real-time control systems","abstract":"The thesis is concerned with the behavior of corrupted real-time control systems and their corrupted trajectories. The difference between the corrupted trajectory and the precise trajectory is called the tracking error. We analyze the consequence of imprecise computation, caused by corrupted input and/or prematurely terminated output computation, on tracking errors for single-input-single-output and multiple-input-multiple-output time-invariant systems with deterministic errors as well as random errors. We establish the tracking error models and give upper bounds of the tracking errors. We find conditions under which the imprecise computation has certain desired convergence properties and show how to design control systems so that the systems have satisfactory performance.","abstract_html":"The thesis is concerned with the behavior of corrupted real-time control systems and their corrupted trajectories. The difference between the corrupted trajectory and the precise trajectory is called the tracking error. We analyze the consequence of imprecise computation, caused by corrupted input and/or prematurely terminated output computation, on tracking errors for single-input-single-output and multiple-input-multiple-output time-invariant systems with deterministic errors as well as random errors. We establish the tracking error models and give upper bounds of the tracking errors. We find conditions under which the imprecise computation has certain desired convergence properties and show how to design control systems so that the systems have satisfactory performance.","abstract_has_math":false,"creators":["Liu, Changwen"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Computer Science","degree_department":null,"school":null,"contributors":["Liu, Jane W.S."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-05-07T14:02:25Z","date_published":"2011-05-07T14:02:25Z","updated_at":"2026-07-22T22:25:21Z","subjects":["Engineering, Automotive","Engineering, Electronics and Electrical","Computer Science"],"languages":["eng"],"rights":["Copyright 1996 Liu, Changwen"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["9780591088564","AAI9702586","(UMI)AAI9702586"],"render_values":[{"text":"9780591088564","href":null,"code":true},{"text":"AAI9702586","href":null,"code":true},{"text":"(UMI)AAI9702586","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/23107","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Liu, Jane W.S."]},{"key":"dc:creator","label":"Author","values":["Liu, Changwen"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-05-07T14:02:25Z","10000-01-01","1996"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Computer Science"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Engineering, Automotive","Engineering, Electronics and Electrical","Computer Science"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 1996 Liu, Changwen"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["9780591088564","AAI9702586","(UMI)AAI9702586","http://hdl.handle.net/2142/23107"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The thesis is concerned with the behavior of corrupted real-time control systems and their corrupted trajectories. The difference between the corrupted trajectory and the precise trajectory is called the tracking error. We analyze the consequence of imprecise computation, caused by corrupted input and/or prematurely terminated output computation, on tracking errors for single-input-single-output and multiple-input-multiple-output time-invariant systems with deterministic errors as well as random errors. We establish the tracking error models and give upper bounds of the tracking errors. We find conditions under which the imprecise computation has certain desired convergence properties and show how to design control systems so that the systems have satisfactory performance.","Made available in DSpace on 2011-05-07T14:02:25Z (GMT). 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The difference between the corrupted trajectory and the precise trajectory is called the tracking error. We analyze the consequence of imprecise computation, caused by corrupted input and/or prematurely terminated output computation, on tracking errors for single-input-single-output and multiple-input-multiple-output time-invariant systems with deterministic errors as well as random errors. We establish the tracking error models and give upper bounds of the tracking errors. We find conditions under which the imprecise computation has certain desired convergence properties and show how to design control systems so that the systems have satisfactory performance.","Made available in DSpace on 2011-05-07T14:02:25Z (GMT). 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