{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/129773"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/129773","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Enhancing heat pump efficiency using extremum seeking control: A MATLAB SimScape-based study","abstract":"Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-05-01","abstract_html":"Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-05-01","abstract_has_math":false,"creators":["Jahedan, Reihaneh"],"institution":"University of Illinois Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Mechanical Engineering","degree_department":null,"school":null,"contributors":["Miljkovic, Nenad","Allison, James"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2025,"date_issued":"2025-05-07","date_published":"2025-05-07","updated_at":"2026-07-22T22:25:05Z","subjects":["Heat Pump","Extremum Seeking Control"],"languages":["en","eng"],"rights":["Copyright 2025 Reihaneh Jahedan"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/2142/129773","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Miljkovic, Nenad","Allison, James"]},{"key":"dc:creator","label":"Author","values":["Jahedan, Reihaneh"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2025-05-07","2025-05"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Mechanical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Heat Pump","Extremum Seeking Control"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en","eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2025 Reihaneh Jahedan"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://hdl.handle.net/2142/129773"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-05-01","The student, Reihaneh Jahedan, accepted the attached license on 2025-05-02 at 11:04.","The student, Reihaneh Jahedan, submitted this Thesis for approval on 2025-05-02 at 11:19.","This Thesis was approved for publication on 2025-05-07 at 15:21.","DSpace SAF Submission Ingestion Package generated from Vireo submission #22180 on 2025-10-19 at 19:55:41","This thesis investigates the use of Extremum Seeking Control (ESC) to enhance the efficiency of battery powered heat pump systems used in vehicles. Vehicle heat pumps, which commonly use vapor-compression cycles, play a crucial role in maintaining cabin comfort and passenger satisfaction, particularly in electric vehicles where energy efficiency directly impacts vehicle range. To optimize heat pump efficiency without requiring a detailed system model, classical ESC and Adaptive ESC (ESCAP) were implemented to control the condenser and evaporator fan speeds. A comprehensive heat pump model was developed using MATLAB SimScape to simulate realistic cabin heating scenarios in winter. Simulations were performed under both constant and time-varying ambient temperature conditions to evaluate control effectiveness and robustness. The results demonstrated up to a 45% improvement in the coefficient of performance (COP) when ESC methods were applied to control condenser fan speed. However, control of the evaporator fan speed did not achieve smooth convergence to an optimum point, suggesting potential limitations in the simulation model."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Enhancing heat pump efficiency using extremum seeking control: A MATLAB SimScape-based study"]}]}],"canonical_facts":{"dc:contributor":["Miljkovic, Nenad","Allison, James"],"dc:creator":["Jahedan, Reihaneh"],"dc:date":["2025-05-07","2025-05"],"dc:description":["Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-05-01","The student, Reihaneh Jahedan, accepted the attached license on 2025-05-02 at 11:04.","The student, Reihaneh Jahedan, submitted this Thesis for approval on 2025-05-02 at 11:19.","This Thesis was approved for publication on 2025-05-07 at 15:21.","DSpace SAF Submission Ingestion Package generated from Vireo submission #22180 on 2025-10-19 at 19:55:41","This thesis investigates the use of Extremum Seeking Control (ESC) to enhance the efficiency of battery powered heat pump systems used in vehicles. Vehicle heat pumps, which commonly use vapor-compression cycles, play a crucial role in maintaining cabin comfort and passenger satisfaction, particularly in electric vehicles where energy efficiency directly impacts vehicle range. To optimize heat pump efficiency without requiring a detailed system model, classical ESC and Adaptive ESC (ESCAP) were implemented to control the condenser and evaporator fan speeds. A comprehensive heat pump model was developed using MATLAB SimScape to simulate realistic cabin heating scenarios in winter. Simulations were performed under both constant and time-varying ambient temperature conditions to evaluate control effectiveness and robustness. The results demonstrated up to a 45% improvement in the coefficient of performance (COP) when ESC methods were applied to control condenser fan speed. However, control of the evaporator fan speed did not achieve smooth convergence to an optimum point, suggesting potential limitations in the simulation model."],"dc:format":["application/pdf"],"dc:identifier":["https://hdl.handle.net/2142/129773"],"dc:language":["en","eng"],"dc:rights":["Copyright 2025 Reihaneh Jahedan"],"dc:subject":["Heat Pump","Extremum Seeking Control"],"dc:title":["Enhancing heat pump efficiency using extremum seeking control: A MATLAB SimScape-based study"],"dc:type":["text"],"thesis:degree_discipline":["Mechanical Engineering"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Illinois Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:05Z"}