Modeling and Parameter Identification of the Slung Load System of an Unmanned Rotorcraft using a Flexible Cable

In this paper, we propose a method to identify the parameters of a rotorcraft slung load system using the modal characteristics of a flexible cable. The proposed method estimates the length of the cable and the mass of the payload by means of a frequency analysis. Dynamic equations of the slung load...

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Vydané v:International journal of aeronautical and space sciences Ročník 18; číslo 2; s. 365 - 377
Hlavní autori: Lee, Byung-Yoon, Moon, Gun-Hee, Lee, Dong-Yeon, Tahk, Min-Jea, Oh, Hyun-Shik
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: 한국항공우주학회 01.06.2017
Predmet:
항공우주공학
Slung Load System
Udwadia-Kalaba Equation (UKE)
Parameter Identification
Flexible Cable
ISSN:2093-274X, 2093-2480
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Shrnutí:In this paper, we propose a method to identify the parameters of a rotorcraft slung load system using the modal characteristics of a flexible cable. The proposed method estimates the length of the cable and the mass of the payload by means of a frequency analysis. Dynamic equations of the slung load system with the flexible cable are derived using UdwadiaKalaba equation (UKE) in order to build a simulation program, and the similarity of the simulated slung load movement is verified by comparison with flight test results. Using the computer simulation program, we show that the proposed method works well within various parameter ranges. KCI Citation Count: 1
ISSN:2093-274X
2093-2480
DOI:10.5139/IJASS.2017.18.2.365