{"id":{"repo_id":"cent-lancashire","oai_identifier":"oai:clok.uclan.ac.uk:20795"},"canonical_url":"https://search.dev.ndltd.org/etd/cent-lancashire/oai:clok.uclan.ac.uk:20795","repository":{"repo_id":"cent-lancashire","name":"University of Central Lancashire","base_url":"https://clok.uclan.ac.uk/cgi/oai2"},"display":{"title":"A study of phase advance networks for A.C. control system stabilisation","abstract":"The M.;.bs oarriet dOnrd± system is discussed and varioUs methods Of applying stabilisation are considered. The brldged-T neIWOrk Is designed to produce the characteristic notch response and the resulting modulating frequency characterlston is discussed; The filter is considered from a pole-zero aporoach and the limitations and effects caused by temnerature, component tolerances and carrier frequency drift are considered in detail. In chapter 3 an active filter that will produce a symmetrical response is discussed and this provides an improved phase advance chtracteristic when compared to that of the asymmetrical notch response of the bridged-T filter. It is also shown that the modulating frequency characteristics of a network which has a linear phase and constant-amplitude characteristic will be virtually unaffected by temperature, component tolerances and significant changes- in carrier frequency; a cascaded filter is designed to produce this type of response. The cascaded filter is designed by considering the locations of the poles, and zeros, and a dominant zero analysis technique is developed to obtain an optimum filter response. Chapter 4 considers in detail the experimental results for this filter. In chapter 5 the response of the cascaded and bridged-P networks to frequency changes is analysed and the theoretical and experimental results compared. These networks are then senarately included in a com -olete a.c. servo system and the response of the system analysed. The thesis concludes with a general discussion of the project and analyses the significance of the results.","abstract_html":"The M.;.bs oarriet dOnrd± system is discussed and varioUs methods Of applying stabilisation are considered. The brldged-T neIWOrk Is designed to produce the characteristic notch response and the resulting modulating frequency characterlston is discussed; The filter is considered from a pole-zero aporoach and the limitations and effects caused by temnerature, component tolerances and carrier frequency drift are considered in detail. In chapter 3 an active filter that will produce a symmetrical response is discussed and this provides an improved phase advance chtracteristic when compared to that of the asymmetrical notch response of the bridged-T filter. It is also shown that the modulating frequency characteristics of a network which has a linear phase and constant-amplitude characteristic will be virtually unaffected by temperature, component tolerances and significant changes- in carrier frequency; a cascaded filter is designed to produce this type of response. The cascaded filter is designed by considering the locations of the poles, and zeros, and a dominant zero analysis technique is developed to obtain an optimum filter response. Chapter 4 considers in detail the experimental results for this filter. In chapter 5 the response of the cascaded and bridged-P networks to frequency changes is analysed and the theoretical and experimental results compared. These networks are then senarately included in a com -olete a.c. servo system and the response of the system analysed. The thesis concludes with a general discussion of the project and analyses the significance of the results.","abstract_has_math":false,"creators":["Simpson, Robert James"],"institution":"Loughborough University of Technology","degree_name":"msc","degree_level":"masters","degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1969,"date_issued":"1969-05","date_published":"1969-05","updated_at":"2026-07-24T01:36:16Z","subjects":["Technologies not elsewhere classified"],"languages":["en"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":null,"outbound_label":null,"outbound_source":null},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Simpson, Robert James"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1969-05-01"]},{"key":"dc:date.issued","label":"Date","values":["1969-05"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["Loughborough University of Technology"]},{"key":"dc:relation.isreferencedby","label":"Dc Relation Isreferencedby","values":["https://knowledge.lancashire.ac.uk/id/eprint/20795/"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["masters"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["msc"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Technologies not elsewhere classified"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://knowledge.lancashire.ac.uk/id/eprint/20795/1/20795%20Robert%20James%20Simpson%20May69%20a%20study%20of%20phase%20advance%20networks%20for%20a.%20c.%20control%20system%20stabilisation%20degree%20of%20Master%20of%20Science%20unpublished%20May69%20University%20of%20Central%20Lancashire%20unknown%20152.pdf"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The M.;.bs oarriet dOnrd± system is discussed and varioUs methods Of applying stabilisation are considered. The brldged-T neIWOrk Is designed to produce the characteristic notch response and the resulting modulating frequency characterlston is discussed; The filter is considered from a pole-zero aporoach and the limitations and effects caused by temnerature, component tolerances and carrier frequency drift are considered in detail. In chapter 3 an active filter that will produce a symmetrical response is discussed and this provides an improved phase advance chtracteristic when compared to that of the asymmetrical notch response of the bridged-T filter. It is also shown that the modulating frequency characteristics of a network which has a linear phase and constant-amplitude characteristic will be virtually unaffected by temperature, component tolerances and significant changes- in carrier frequency; a cascaded filter is designed to produce this type of response. The cascaded filter is designed by considering the locations of the poles, and zeros, and a dominant zero analysis technique is developed to obtain an optimum filter response. Chapter 4 considers in detail the experimental results for this filter. In chapter 5 the response of the cascaded and bridged-P networks to frequency changes is analysed and the theoretical and experimental results compared. These networks are then senarately included in a com -olete a.c. servo system and the response of the system analysed. The thesis concludes with a general discussion of the project and analyses the significance of the results."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["A study of phase advance networks for A.C. control system stabilisation"]}]}],"canonical_facts":{"dc:creator":["Simpson, Robert James"],"dc:date":["1969-05-01"],"dc:date.issued":["1969-05"],"dc:description.abstract":["The M.;.bs oarriet dOnrd± system is discussed and varioUs methods Of applying stabilisation are considered. The brldged-T neIWOrk Is designed to produce the characteristic notch response and the resulting modulating frequency characterlston is discussed; The filter is considered from a pole-zero aporoach and the limitations and effects caused by temnerature, component tolerances and carrier frequency drift are considered in detail. In chapter 3 an active filter that will produce a symmetrical response is discussed and this provides an improved phase advance chtracteristic when compared to that of the asymmetrical notch response of the bridged-T filter. It is also shown that the modulating frequency characteristics of a network which has a linear phase and constant-amplitude characteristic will be virtually unaffected by temperature, component tolerances and significant changes- in carrier frequency; a cascaded filter is designed to produce this type of response. The cascaded filter is designed by considering the locations of the poles, and zeros, and a dominant zero analysis technique is developed to obtain an optimum filter response. Chapter 4 considers in detail the experimental results for this filter. In chapter 5 the response of the cascaded and bridged-P networks to frequency changes is analysed and the theoretical and experimental results compared. These networks are then senarately included in a com -olete a.c. servo system and the response of the system analysed. The thesis concludes with a general discussion of the project and analyses the significance of the results."],"dc:format":["application/pdf"],"dc:identifier.uri":["https://knowledge.lancashire.ac.uk/id/eprint/20795/1/20795%20Robert%20James%20Simpson%20May69%20a%20study%20of%20phase%20advance%20networks%20for%20a.%20c.%20control%20system%20stabilisation%20degree%20of%20Master%20of%20Science%20unpublished%20May69%20University%20of%20Central%20Lancashire%20unknown%20152.pdf"],"dc:language":["en"],"dc:publisher.institution":["Loughborough University of Technology"],"dc:relation.isreferencedby":["https://knowledge.lancashire.ac.uk/id/eprint/20795/"],"dc:subject":["Technologies not elsewhere classified"],"dc:title":["A study of phase advance networks for A.C. control system stabilisation"],"dc:type":["Thesis"],"dc:type.qualificationlevel":["masters"],"dc:type.qualificationname":["msc"]},"updated_at":"2026-07-24T01:36:16Z"}