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Pressurization Characteristics of a Piezoelectric-Hydraulic Pump for UAV Brake Systems

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Abstract

In this paper, a small piezoelectric-hydraulic pump suitable for the braking system of small- and medium-sized UAVs was developed. In addition, the pressurization characteristics of the pump were analyzed and performance experiments of the developed pump were conducted. To analyze the pressurization characteristics, AMESim, a verified commercial program, was used. The modeling of the small piezoelectric-hydraulic pump was carried out by subdividing it into components, including the piezoelectric actuator, chamber, check valves, and load side. The modeling validity was confirmed via a comparison of the simulation results with the performance experimental results of the produced pump. It has been found that the simulations and experiments produced similar results regarding the overall pressurization characteristics.

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Acknowledgements

The present study was supported by the Research Fund Support for Basic Research provided by the Agency for Defense Development (ADD-IBR-227). The authors would also like to thank the related individuals for their support.

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Authors and Affiliations

  1. Department of Aerospace and Mechanical Engineering, Aerospace University, Gyeonggi, 10540, Korea

    Jai-Hyuk Hwang & Jae-Sung Bae

  2. Department of Aerospace and Mechanical Engineering, Graduate School at KAU, Gyeonggi, 10540, Korea

    Yong-Ha Hwang

  3. The 7th Research and Development Institute, Agency for Defense Development, Daejeon, 34186, Korea

    Jun-Yong Kwon

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  1. Jai-Hyuk Hwang
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  2. Jae-Sung Bae
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  3. Yong-Ha Hwang
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  4. Jun-Yong Kwon
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Correspondence to Jai-Hyuk Hwang.

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Hwang, JH., Bae, JS., Hwang, YH. et al. Pressurization Characteristics of a Piezoelectric-Hydraulic Pump for UAV Brake Systems. Int. J. Aeronaut. Space Sci. 19, 776–784 (2018). https://doi.org/10.1007/s42405-018-0058-7

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  • DOI: https://doi.org/10.1007/s42405-018-0058-7

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