[1] Tao Jin, , Sun Qinglin, et al. Dynamic modeling of a parafoil system considering flap deflection [J]. Journal of Southeast University (English Edition), 2017, 33 (4): 416-425. [doi:10.3969/j.issn.1003-7985.2017.04.005]

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Dynamic modeling of a parafoil system considering flap deflection()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

33

Issue:

2017 4

Page:

416-425

Research Field:

Other Disciplines

Publishing date:

2017-12-30

Info

Title:

Dynamic modeling of a parafoil system considering flap deflection

Author(s):

Tao Jin¹;  2;  3;  Sun Qinglin¹;  2;  Chen Zengqiang¹;  2;  He Yingping⁴

¹Tianjin Key Laboratory of Intelligent Robotics Technology, Nankai University, Tianjin 300350, China
²College of Computer and Control Engineering, Nankai University, Tianjin 300350, China
³Department of Electrical Engineering and Automation, Aalto University, Espoo 02150, Finland
⁴Aerospace Life-Support Industries Ltd., Aviation Industry Corporation of China, Xiangyang 441003, China

Keywords:

parafoil system;  dynamic modeling and simulation;  flight characteristic;  airdrop experiment;  flap deflection

PACS:

V19

DOI:

10.3969/j.issn.1003-7985.2017.04.005

Abstract:

In order to better study the dynamic characteristics and the control strategy of parafoil systems, considering the effect of flap deflection as the control mechanism and regarding the parafoil and the payload as a rigid body, a six degrees-of-freedom(DOF)dynamic model of a parafoil system including three DOF for translational motion and three DOF for rotational motion, is established according to the Kirchhoff motion equation. Since the flexible winged parafoil system flying at low altitude is more susceptible to winds, the motion characteristics of the parafoil system with and without winds are simulated and analyzed. Furthermore, the airdrop test is used to further verify the model. The comparison results show that the simulation trajectory roughly overlaps with the actual flight track. The horizontal velocity of the simulation model is in good accordance with the airdrop test, with a deviation less than 0.5 m/s, while its simulated vertical velocity fluctuates slightly under the influence of the wind, and shows a similar trend to the airdrop test. It is concluded that the established model can well describe the characteristics of the parafoil system.

References:

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Memo

Memo:

Biographies: Tao Jin(1986—), male, doctor; Sun Qinglin(corresponding author), male, doctor, professor, sunql@nankai.edu.cn.
Foundation items: The National Natural Science Foundation of China(No.61273138, 61573197), the National Key Technology R & D Program(No.2015BAK06B04), the Key Fund of Tianjin(No.14JCZDJC39300), the Key Technologies R & D Program of Tianjin(No.14ZCZDSF00022).
Citation: Tao Jin, Sun Qinglin, Chen Zengqiang, et al. Dynamic modeling of a parafoil system considering flap deflection[J].Journal of Southeast University(English Edition), 2017, 33(4):416-425.DOI:10.3969/j.issn.1003-7985.2017.04.005.

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