{"id":"https://openalex.org/W2070517507","doi":"https://doi.org/10.23919/ecc.1999.7099469","title":"Design, flight simulation, and handling qualities evaluation of an LPV gain-scheduled helicopter flight control system","display_name":"Design, flight simulation, and handling qualities evaluation of an LPV gain-scheduled helicopter flight control system","publication_year":1999,"publication_date":"1999-08-01","ids":{"openalex":"https://openalex.org/W2070517507","doi":"https://doi.org/10.23919/ecc.1999.7099469","mag":"2070517507"},"language":"en","primary_location":{"id":"doi:10.23919/ecc.1999.7099469","is_oa":false,"landing_page_url":"https://doi.org/10.23919/ecc.1999.7099469","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"1999 European Control Conference (ECC)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5007050558","display_name":"Ian Postlethwaite","orcid":"https://orcid.org/0000-0002-0267-1831"},"institutions":[{"id":"https://openalex.org/I153648349","display_name":"University of Leicester","ror":"https://ror.org/04h699437","country_code":"GB","type":"education","lineage":["https://openalex.org/I153648349"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Ian Postlethwaite","raw_affiliation_strings":["University of Leicester, Leicester, Leicestershire, GB","Control Systems Research, Department of Engineering, University of Leicester, Leicester LE1 7RH, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Leicester, Leicester, Leicestershire, GB","institution_ids":["https://openalex.org/I153648349"]},{"raw_affiliation_string":"Control Systems Research, Department of Engineering, University of Leicester, Leicester LE1 7RH, U.K","institution_ids":["https://openalex.org/I153648349"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019726685","display_name":"Ioannis K. Konstantopoulos","orcid":null},"institutions":[{"id":"https://openalex.org/I153648349","display_name":"University of Leicester","ror":"https://ror.org/04h699437","country_code":"GB","type":"education","lineage":["https://openalex.org/I153648349"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Ioannis K. Konstantopoulos","raw_affiliation_strings":["University of Leicester, Leicester, Leicestershire, GB","Control Systems Research, Department of Engineering, University of Leicester, Leicester LE1 7RH, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Leicester, Leicester, Leicestershire, GB","institution_ids":["https://openalex.org/I153648349"]},{"raw_affiliation_string":"Control Systems Research, Department of Engineering, University of Leicester, Leicester LE1 7RH, U.K","institution_ids":["https://openalex.org/I153648349"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100782363","display_name":"Xiaodong Sun","orcid":"https://orcid.org/0000-0002-9451-3311"},"institutions":[{"id":"https://openalex.org/I153648349","display_name":"University of Leicester","ror":"https://ror.org/04h699437","country_code":"GB","type":"education","lineage":["https://openalex.org/I153648349"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Xiao-Dong Sun","raw_affiliation_strings":["University of Leicester, Leicester, Leicestershire, GB","Control Systems Research, Department of Engineering, University of Leicester, Leicester LE1 7RH, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Leicester, Leicester, Leicestershire, GB","institution_ids":["https://openalex.org/I153648349"]},{"raw_affiliation_string":"Control Systems Research, Department of Engineering, University of Leicester, Leicester LE1 7RH, U.K","institution_ids":["https://openalex.org/I153648349"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102916328","display_name":"Daniel Walker","orcid":"https://orcid.org/0000-0002-9369-6953"},"institutions":[{"id":"https://openalex.org/I153648349","display_name":"University of Leicester","ror":"https://ror.org/04h699437","country_code":"GB","type":"education","lineage":["https://openalex.org/I153648349"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Daniel J. Walker","raw_affiliation_strings":["University of Leicester, Leicester, Leicestershire, GB","Control Systems Research, Department of Engineering, University of Leicester, Leicester LE1 7RH, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Leicester, Leicester, Leicestershire, GB","institution_ids":["https://openalex.org/I153648349"]},{"raw_affiliation_string":"Control Systems Research, Department of Engineering, University of Leicester, Leicester LE1 7RH, U.K","institution_ids":["https://openalex.org/I153648349"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5059638339","display_name":"Adrian Alford","orcid":null},"institutions":[{"id":"https://openalex.org/I4210107535","display_name":"Helicon Foundation","ror":"https://ror.org/01keyq725","country_code":"US","type":"other","lineage":["https://openalex.org/I4210107535"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Adrian G. Alford","raw_affiliation_strings":["Advanced Engineering, GKN Westland Helicopters Ltd., Yeovil BA20 2YB, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Advanced Engineering, GKN Westland Helicopters Ltd., Yeovil BA20 2YB, U.K","institution_ids":["https://openalex.org/I4210107535"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1178","last_page":"1183"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10046","display_name":"Stability and Control of Uncertain Systems","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10046","display_name":"Stability and Control of Uncertain Systems","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10040","display_name":"Adaptive Control of Nonlinear Systems","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11236","display_name":"Control Systems and Identification","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/flight-test","display_name":"Flight test","score":0.6950138807296753},{"id":"https://openalex.org/keywords/controller","display_name":"Controller (irrigation)","score":0.6250711679458618},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.5387464761734009},{"id":"https://openalex.org/keywords/attitude-control","display_name":"Attitude control","score":0.523255467414856},{"id":"https://openalex.org/keywords/work","display_name":"Work (physics)","score":0.5213324427604675},{"id":"https://openalex.org/keywords/aeronautics","display_name":"Aeronautics","score":0.5122756361961365},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.47923901677131653},{"id":"https://openalex.org/keywords/flight-dynamics","display_name":"Flight dynamics","score":0.43406182527542114},{"id":"https://openalex.org/keywords/flight-simulator","display_name":"Flight simulator","score":0.42026054859161377},{"id":"https://openalex.org/keywords/control-engineering","display_name":"Control engineering","score":0.38916221261024475},{"id":"https://openalex.org/keywords/simulation","display_name":"Simulation","score":0.3310508728027344},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3163542151451111},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.29253530502319336},{"id":"https://openalex.org/keywords/aerodynamics","display_name":"Aerodynamics","score":0.2639550268650055},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.11570742726325989},{"id":"https://openalex.org/keywords/mechanical-engineering","display_name":"Mechanical engineering","score":0.09349864721298218}],"concepts":[{"id":"https://openalex.org/C2777943292","wikidata":"https://www.wikidata.org/wiki/Q3319996","display_name":"Flight test","level":2,"score":0.6950138807296753},{"id":"https://openalex.org/C203479927","wikidata":"https://www.wikidata.org/wiki/Q5165939","display_name":"Controller (irrigation)","level":2,"score":0.6250711679458618},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.5387464761734009},{"id":"https://openalex.org/C155710575","wikidata":"https://www.wikidata.org/wiki/Q83001","display_name":"Attitude control","level":2,"score":0.523255467414856},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.5213324427604675},{"id":"https://openalex.org/C178802073","wikidata":"https://www.wikidata.org/wiki/Q8421","display_name":"Aeronautics","level":1,"score":0.5122756361961365},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.47923901677131653},{"id":"https://openalex.org/C206923515","wikidata":"https://www.wikidata.org/wiki/Q5459269","display_name":"Flight dynamics","level":3,"score":0.43406182527542114},{"id":"https://openalex.org/C41376638","wikidata":"https://www.wikidata.org/wiki/Q214932","display_name":"Flight simulator","level":2,"score":0.42026054859161377},{"id":"https://openalex.org/C133731056","wikidata":"https://www.wikidata.org/wiki/Q4917288","display_name":"Control engineering","level":1,"score":0.38916221261024475},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.3310508728027344},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3163542151451111},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.29253530502319336},{"id":"https://openalex.org/C13393347","wikidata":"https://www.wikidata.org/wiki/Q8424","display_name":"Aerodynamics","level":2,"score":0.2639550268650055},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.11570742726325989},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.09349864721298218},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.23919/ecc.1999.7099469","is_oa":false,"landing_page_url":"https://doi.org/10.23919/ecc.1999.7099469","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"1999 European Control Conference (ECC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.8199999928474426}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2011725676","https://openalex.org/W2031711324","https://openalex.org/W2050270339","https://openalex.org/W2162552591","https://openalex.org/W2741298575"],"related_works":["https://openalex.org/W4290603634","https://openalex.org/W2765813647","https://openalex.org/W2807878232","https://openalex.org/W2095264280","https://openalex.org/W3031266000","https://openalex.org/W2625038354","https://openalex.org/W2041777099","https://openalex.org/W2319531918","https://openalex.org/W2010992538","https://openalex.org/W2006727659"],"abstract_inverted_index":{"This":[0],"paper":[1],"summarises":[2],"a":[3,16,58,74],"recent":[4],"project":[5],"involving":[6],"the":[7,33,42,65,82,122],"design,":[8],"piloted":[9],"simulation,":[10],"and":[11,41,63],"handling":[12,89,118],"qualities":[13,90,119],"evaluation":[14],"of":[15,38,46,94],"Linear":[17],"Parameter":[18],"Varying":[19],"(LPV)":[20],"gain-scheduled":[21,124],"helicopter":[22,61],"flight":[23,96],"control":[24],"law.":[25],"The":[26,52],"work":[27],"was":[28,55],"jointly":[29],"carried":[30],"out":[31],"by":[32,101],"Control":[34],"Systems":[35],"Research":[36],"group":[37,45],"Leicester":[39],"University":[40],"Advanced":[43,107],"Engineering":[44,108],"GKN":[47],"Westland":[48],"Helicopters,":[49],"Yeovil,":[50],"England.":[51],"controller":[53,83],"design":[54],"based":[56],"on":[57,105],"Lynx":[59],"MK7":[60],"model":[62],"used":[64],"quadratic":[66],"H":[67],"<inf":[68],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[69],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">\u221e</inf>":[70],"performance":[71],"methodology":[72],"with":[73],"2-degrees-of-freedom":[75],"controller.":[76,125],"In":[77],"an":[78],"off-line":[79],"computer":[80],"analysis,":[81],"consistently":[84,114],"achieved":[85],"Level":[86,116],"1":[87,117],"Cooper-Harper":[88],"ratings.":[91],"A":[92],"series":[93],"successful":[95],"simulations":[97],"were":[98],"then":[99],"performed":[100],"two":[102],"test":[103],"pilots":[104,113],"Westland's":[106],"Simulation":[109],"Facility":[110],"(AESF).":[111],"Both":[112],"awarded":[115],"ratings":[120],"for":[121],"LPV":[123]},"counts_by_year":[{"year":2022,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}