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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Published in:International journal of aeronautical and space sciences Vol. 18; no. 2; pp. 365 - 377
Main Authors: Lee, Byung-Yoon, Moon, Gun-Hee, Lee, Dong-Yeon, Tahk, Min-Jea, Oh, Hyun-Shik
Format: Journal Article
Language:English
Published: 한국항공우주학회 01.06.2017
Subjects:
항공우주공학
Slung Load System
Udwadia-Kalaba Equation (UKE)
Parameter Identification
Flexible Cable
ISSN:2093-274X, 2093-2480
Online Access:Get full text
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Abstract 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
AbstractList 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
Author Dong-Yeon Lee
Min-Jea Tahk
Gun-Hee Moon
Hyun-Shik Oh
Byung-Yoon Lee
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  givenname: Min-Jea
  surname: Tahk
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  givenname: Hyun-Shik
  surname: Oh
  fullname: Oh, Hyun-Shik
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Keywords Slung Load System
Udwadia-Kalaba Equation (UKE)
Parameter Identification
Flexible Cable
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Snippet 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...
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Title Modeling and Parameter Identification of the Slung Load System of an Unmanned Rotorcraft using a Flexible Cable
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