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Simulation of response characteristic of VTVL system with hybrid rocket engine

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Abstract

To determine the suitability of the control performance of the VTVL system with hybrid rocket engine, simulations were done for the vertical and horizontal motion using various engine data. In the simulation, the thrust modulation characteristics of each engine were modeled with the same second-order transfer function in all cases. The results showed that the VTVL system with HRE showed better performance in terms of vertical motion error and touch down speed. In addition, this confirms the possibility for successful VTVL flight missions using HRE. In the next step, a better control algorithm and an efficient control technique will be attempted for developing the VTVL demonstrator.

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Abbreviations

F x :

Force vertical direction

F z :

Force lateral direction

M y :

Pitching moment

T :

Thrust

W :

Weight

x :

Vertical position

z :

Lateral position

m :

Vehicle mass

I y :

Moment of inertia

I :

Moment arm length

θ :

Pitch angle

δ :

TVC actuator deflection angle

ω n :

Natural frequency

Z :

Damping ratio

K p :

Proportional gain

K :

Integral gain

K d :

Derivative gain

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Acknowledgments

This work was supported by the National Research Foundation (NRF-2018M1A3A3A02065968), Republic of Korea.

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Authors and Affiliations

  1. Department of Aerospace Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, Korea

    Heesang Chae, Donghoon Chae & Changjin Lee

  2. Department of Mechatronics Engineering, Korea University of Technology and Education, 1600, Chungcheongnam-do, Cheonan, 31253, Korea

    Ihnseok Rhee

Authors
  1. Heesang Chae
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  2. Donghoon Chae
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  3. Ihnseok Rhee
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  4. Changjin Lee
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Corresponding author

Correspondence to Changjin Lee.

Additional information

Changjin Lee received Ph.D. from University of Illinois at Urbana-Champaign in 1992. He is currently a Professor in the Department of Aerospace Engineering at Konkuk University, Korea. His research interests include rocket and jet propulsions.

Ihnseok Rhee received Ph.D. from University of Texas at Austin in 1992. He is currently a Professor in the Department of Mechatronics Engineering at Korea University of Technology and Education. His research interests include aircraft and drone control.

Heesang Chae received B.S. in Aerospace Engineering from Konkuk University in 2019. He is a graduate student seeking for the Master’s degree. His research interests include rocket combustion and propulsion.

Donghoon Chae received B.S. in Aerospace Engineering from Konkuk University in 2020. He is a graduate student seeking for Master’s degree. His research interests include rocket combustion and control.

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Chae, H., Chae, D., Rhee, I. et al. Simulation of response characteristic of VTVL system with hybrid rocket engine. J Mech Sci Technol 34, 5239–5245 (2020). https://doi.org/10.1007/s12206-020-1125-0

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  • DOI: https://doi.org/10.1007/s12206-020-1125-0

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