NDLI: Modeling for Rotational Speed of Helicopter Rotor Based on Wavelet Support Vector Machine

Content Provider	IEEE Xplore Digital Library
Author	Shuzhou Wang Ye San Shuwen Wang Yunchang Zhang
Copyright Year	2008
Description	Author affiliation: Flight Simulation Res. Inst. of Air Force, Harbin (Yunchang Zhang) \|\| Control & Simulation Centre, Harbin Inst. of Technol., Harbin (Shuzhou Wang; Ye San; Shuwen Wang)
Abstract	Neural networks with good nonlinear mapping abilities can be applied to build simulation model of helicopter. But they have some difficulties such as hardness of selecting network structure, slow convergence speed, local minimum, and over-fitting. To avoid above problems, a method for building simulation model of helicopter based on Wavelet Support Vector Machine (WSVM) is proposed. Marr wavelet is used to construct one-dimension wavelet kernel, and the rationality of the wavelet kernel is proved. Subsequently the wavelet kernel is extended to multi-dimensional case. Based on pretreatment of practical flight data, rotational speed model for landing process of helicopter with rotor self-rotating is built with WSVM. Compared with neural network model, WSVM model possess some advantages such as simple structure, fast convergence speed and high generalization ability. It is shown by theoretic analysis and simulation results that WSVM method to build simulation model of helicopter is feasible.
Starting Page	262
Ending Page	266
File Size	319060
Page Count	5
File Format	PDF
ISBN	9780769533117
DOI	10.1109/ISCID.2008.208
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computational modeling Helicopters generalization ability Aerodynamics Convergence Support vector machines Analytical models support vector machine helicopter Neural networks Support vector machine classification Aerospace simulation simulation model wavelet kernel Kernel
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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