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Fuzzy modelling for aircraft dynamics identification 飞机动力学辨识的模糊建模
IF 1.4 4区 工程技术
Aeronautical Journal Pub Date : 2001-09-01 DOI: 10.1017/S0001924000018029
G. Mengall
{"title":"Fuzzy modelling for aircraft dynamics identification","authors":"G. Mengall","doi":"10.1017/S0001924000018029","DOIUrl":"https://doi.org/10.1017/S0001924000018029","url":null,"abstract":"A new methodology is described to identify aircraft dynamics and extract the corresponding aerodynamic coefficients. The proposed approach makes use of fuzzy modelling for the identification process where input/output data are first classified by means of the concept of fuzzy clustering and then the linguistic rules are extracted from the fuzzy clusters. The fuzzy rule-based models are in the form of affine Takagi-Sugeno models, that are able to approximate a large class of nonlinear systems. A comparative study is performed with existing techniques based on the employment of neural networks, showing interesting advantages of the proposed methodology both for the physical insight of the identified model and the simplicity to obtain accurate results with fewer parameters to be properly tuned.","PeriodicalId":50846,"journal":{"name":"Aeronautical Journal","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2001-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1017/S0001924000018029","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57253048","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Principles of Optimal Design: Modeling and Computation P. Y. Papalambros and D. J. Wilde Second edition. Cambridge University Press, The Edinburgh Building, Cambridge CB2 2RU, UK. 2000. 390pp. Illustrated. £27.95. ISBN 0-521-62727-3.
IF 1.4 4区 工程技术
Aeronautical Journal Pub Date : 2001-08-01 DOI: 10.1017/S0001924000012458
A. Bhaskar
{"title":"Principles of Optimal Design: Modeling and Computation P. Y. Papalambros and D. J. Wilde Second edition. Cambridge University Press, The Edinburgh Building, Cambridge CB2 2RU, UK. 2000. 390pp. Illustrated. £27.95. ISBN 0-521-62727-3.","authors":"A. Bhaskar","doi":"10.1017/S0001924000012458","DOIUrl":"https://doi.org/10.1017/S0001924000012458","url":null,"abstract":"","PeriodicalId":50846,"journal":{"name":"Aeronautical Journal","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2001-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79444084","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Flow Control: Passive, Active, and Reactive Flow Management M. Gad-el-Hak Cambridge University Press, The Edinburgh Building, Cambridge CB2 2RU, UK. 2000. 421pp. Illustrated. £60. ISBN 0-521-77006-8. 流量控制:被动，主动和被动流量管理M. Gad-el-Hak剑桥大学出版社，爱丁堡大楼，剑桥CB2 2RU，英国。2000. 421页。画报。£60。ISBN 0-521-77006-8。
IF 1.4 4区 工程技术
Aeronautical Journal Pub Date : 2001-03-01 DOI: 10.1017/S000192400009206X
P. Ashill
{"title":"Flow Control: Passive, Active, and Reactive Flow Management M. Gad-el-Hak Cambridge University Press, The Edinburgh Building, Cambridge CB2 2RU, UK. 2000. 421pp. Illustrated. £60. ISBN 0-521-77006-8.","authors":"P. Ashill","doi":"10.1017/S000192400009206X","DOIUrl":"https://doi.org/10.1017/S000192400009206X","url":null,"abstract":"","PeriodicalId":50846,"journal":{"name":"Aeronautical Journal","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2001-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1017/S000192400009206X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57255698","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 917
Flight simulation : past, present and future 飞行模拟:过去，现在和未来
IF 1.4 4区 工程技术
Aeronautical Journal Pub Date : 2000-12-01 DOI: 10.1017/S0001924000096901
D. Allerton
{"title":"Flight simulation : past, present and future","authors":"D. Allerton","doi":"10.1017/S0001924000096901","DOIUrl":"https://doi.org/10.1017/S0001924000096901","url":null,"abstract":"This paper outlines the development of flight simulators used in civil training, military training and in engineering simulation. It describes the evolution of flight simulators and the typical architecture of a modern flight simulator. The technical innovations, which have occurred in modelling, motion systems and visual systems are reviewed. The paper also reviews the transfer of training in flight simulation, the application of simulation to engineering design and outlines problems which are encountered in flight simulation. The paper concludes by reviewing the current trends in flight simulation.","PeriodicalId":50846,"journal":{"name":"Aeronautical Journal","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2000-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57256046","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Future challenges and opportunities in aerodynamics 空气动力学未来的挑战和机遇
IF 1.4 4区 工程技术
Aeronautical Journal Pub Date : 2000-08-01 DOI: 10.1017/S0001924000064009
Ajay Mahaputra Kumar, Jerry, N.
{"title":"Future challenges and opportunities in aerodynamics","authors":"Ajay Mahaputra Kumar, Jerry, N.","doi":"10.1017/S0001924000064009","DOIUrl":"https://doi.org/10.1017/S0001924000064009","url":null,"abstract":"Abstract Investments in aeronautics research and technology have declined substantially over the last decade, in part due to the perception that technologies required in aircraft design are fairly mature and readily available. This perception is being driven by the fact that aircraft configurations, particularly the transport aircraft, have evolved only incrementally over the last several decades. If, however, one considers that the growth in air travel is expected to triple in the next 20 years, it becomes quickly obvious that the evolutionary development of technologies is not going to meet the increased demands for safety, environmental compatibility, capacity, and economic viability. Instead, breakthrough technologies will be required both in traditional disciplines of aerodynamics, propulsion, structures, materials, controls and avionics as well as in the multidisciplinary integration of these technologies into the design of future aerospace vehicles concepts. The paper discusses challenges and opportunities in the field of aerodynamics over the next decade. Future technology advancements in aerodynamics will hinge on our ability to understand, model and control complex, three-dimensional, unsteady viscous flow across the speed range. This understanding is critical for developing innovative flow and noise control technologies and advanced design tools that will revolutionise future aerospace vehicle systems and concepts. Specifically, the paper focuses on advanced vehicle concepts, flow and noise control technologies, and advanced design and analysis tools.","PeriodicalId":50846,"journal":{"name":"Aeronautical Journal","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2000-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1017/S0001924000064009","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57254927","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 31
Mechanics of Aircraft Structures . C.T. Sun. John Wiley and Sons, Baffins Lane, Chichester, West Sussex P019 1UD, UK. 1998. 255pp. Illustrated. £50. ISBN 0-471 17877-2. 飞机结构力学“，”比较温度。约翰·威利和儿子们，巴芬斯巷，奇切斯特，西苏塞克斯p0191ud，英国。1998. 255页。画报。£50。Isbn 0-471 17877-2。
IF 1.4 4区 工程技术
Aeronautical Journal Pub Date : 1999-11-01 DOI: 10.1017/S0001924000064319
A. Morris
{"title":"Mechanics of Aircraft Structures . C.T. Sun. John Wiley and Sons, Baffins Lane, Chichester, West Sussex P019 1UD, UK. 1998. 255pp. Illustrated. £50. ISBN 0-471 17877-2.","authors":"A. Morris","doi":"10.1017/S0001924000064319","DOIUrl":"https://doi.org/10.1017/S0001924000064319","url":null,"abstract":"","PeriodicalId":50846,"journal":{"name":"Aeronautical Journal","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"1999-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1017/S0001924000064319","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57254892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An experimental study of transition and the development of turbulence in a linearly retarded boundary-layer flow 线性延迟边界层流动过渡与湍流发展的实验研究
IF 1.4 4区 工程技术
Aeronautical Journal Pub Date : 1999-11-01 DOI: 10.1017/S0001924000064253
B. V. van Oudheusden
{"title":"An experimental study of transition and the development of turbulence in a linearly retarded boundary-layer flow","authors":"B. V. van Oudheusden","doi":"10.1017/S0001924000064253","DOIUrl":"https://doi.org/10.1017/S0001924000064253","url":null,"abstract":"Abstract An experimental investigation was carried out of the incompressible boundary layer flow along a flat plate, in the presence of an adverse pressure gradient that corresponds to a linear retardation of the free stream velocity. The turbulence level in the free-stream was 0·12% and transition occurred with the laminar boundary layer being close to separation. For three values of the Reynolds number (2·56, 3·11 and 4·09 million based on the reference length that is defined as the reciprocal of the nondimensional-velocity gradient) the laminar, transitional and turbulent regions were studied by single (normal) hot-wire surveys at several streamwise positions. This allows the fluctuations of the streamwise velocity component to be followed from the amplification of laminar instability waves, through breakdown in the intermittency region, and the subsequent development towards a more or less developed turbulence structure. The study reveals that within the transition region fluctuation levels are reached throughout a large part of the boundary layer that are significantly higher than those in fully developed turbulent flow, which is partly a direct consequence of the intermittent character of the flow. For the highest Reynolds number additional cross-wire surveys were carried out in the turbulent region to observe the development of the turbulent stresses following transition. The data are interpreted in terms of structural coefficients, eddy viscosity and mixing length. Also, these results indicate that the transition process can be associated with turbulence levels well in excess of those occurring in fully developed turbulence, and reveal the relaxation of the outer region turbulence structure.","PeriodicalId":50846,"journal":{"name":"Aeronautical Journal","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"1999-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1017/S0001924000064253","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57255117","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Care and Repair of Advanced Composites . K.B. Armstrong and R.T. Barrett. SAE European Office, 27/29 Knowl Piece, Wilbury Way, Hitchen, Herts SC4 OSX, UK. 1998. 552pp. Illustrated. £61. ISBN 0-7680-0047-5. 先进复合材料的护理和修复。K.B.阿姆斯特朗和R.T.巴雷特。SAE欧洲办事处，27/29 Knowl Piece, Wilbury Way, Herts SC4 OSX，英国1998. 552页。画报。£61。ISBN 0-7680-0047-5。
IF 1.4 4区 工程技术
Aeronautical Journal Pub Date : 1999-11-01 DOI: 10.1017/S0001924000064307
N. Dykes
{"title":"Care and Repair of Advanced Composites . K.B. Armstrong and R.T. Barrett. SAE European Office, 27/29 Knowl Piece, Wilbury Way, Hitchen, Herts SC4 OSX, UK. 1998. 552pp. Illustrated. £61. ISBN 0-7680-0047-5.","authors":"N. Dykes","doi":"10.1017/S0001924000064307","DOIUrl":"https://doi.org/10.1017/S0001924000064307","url":null,"abstract":"","PeriodicalId":50846,"journal":{"name":"Aeronautical Journal","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"1999-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1017/S0001924000064307","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57255251","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Structural Life Assessment Methods. A.F. Liu. ASM International, Materials Park, OH 44073-0002, USA. 1998. Distributed by American Technical Publishers, 27-29 Knowl Piece, Wilbury Way, Hitchin, Herts SG4 OSX, UK. 419pp. Illustrated. £79. 结构寿命评估方法。自动跟踪。ASM国际，材料园，OH 44073-0002，美国。1998. 由美国技术出版社发行，27-29 Knowl Piece, Wilbury Way, Hitchin, Herts SG4 OSX, UK。419页。画报。£79。
IF 1.4 4区 工程技术
Aeronautical Journal Pub Date : 1999-10-01 DOI: 10.1017/S0001924000064459
D. James
{"title":"Structural Life Assessment Methods. A.F. Liu. ASM International, Materials Park, OH 44073-0002, USA. 1998. Distributed by American Technical Publishers, 27-29 Knowl Piece, Wilbury Way, Hitchin, Herts SG4 OSX, UK. 419pp. Illustrated. £79.","authors":"D. James","doi":"10.1017/S0001924000064459","DOIUrl":"https://doi.org/10.1017/S0001924000064459","url":null,"abstract":"","PeriodicalId":50846,"journal":{"name":"Aeronautical Journal","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"1999-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73627312","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Introduction to Finite Element Vibration Analysis. M. Petyt. Cambridge University Press, The Edinburgh Building, Cambridge CB2 2RU, UK. 1998. 558pp. Illustrated. £35. 有限元振动分析导论。m . Petyt。剑桥大学出版社，爱丁堡大厦，剑桥cb2ru，英国。1998. 558页。画报。£35。
IF 1.4 4区 工程技术
Aeronautical Journal Pub Date : 1999-10-01 DOI: 10.1017/S0001924000064447
C. Beards
{"title":"Introduction to Finite Element Vibration Analysis. M. Petyt. Cambridge University Press, The Edinburgh Building, Cambridge CB2 2RU, UK. 1998. 558pp. Illustrated. £35.","authors":"C. Beards","doi":"10.1017/S0001924000064447","DOIUrl":"https://doi.org/10.1017/S0001924000064447","url":null,"abstract":"","PeriodicalId":50846,"journal":{"name":"Aeronautical Journal","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"1999-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79643978","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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