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Journal of the Korean Society of Manufacturing Technology Engineers - Vol. 29 , No. 6

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Journal of the Korean Society of Manufacturing Technology Engineers - Vol. 29, No. 6, pp.429-434
Abbreviation: J. Korean Soc. Manuf. Technol. Eng.
ISSN: 2508-5107 (Online)
Print publication date 15 Dec 2020
Received 23 Nov 2020 Revised 11 Nov 2020 Accepted 16 Nov 2020
DOI: https://doi.org/10.7735/ksmte.2020.29.6.429
경제적인 on/off 밸브와 2축 각도센서를 이용한 유압구동 Platform 수평제어 장치 개발
배일진^a ; 심성보^b ; 박수용^b ; 이정연^b ; 이응석^b^{, *}


Development of a Control System for Hydraulic Operated Platform using on/off Valves with a Two Axes Tilt Sensor
Il-Jin Bae^a ; Sung-Bo Shim^b ; Su-Yong Park^b ; Jeong-Youn Lee^b ; Eung-Suk Lee^b^{, *}
aDepartment of Semiconductoy Equipment Engineering, Far East University
bDepartment of Mechanical engineering, Chungbuk National University
Correspondence to : ^*Tel: +82-43-273-8789 E-mail address: eungsuk@chungbuk.ac.kr (Eung-Suk Lee).

Abstract

In transportatinon using heavy ships or airplanes, the most important criterion is maintaining the horizontal state. Previously, most studies used expensive servo valves to solve this control problem. However, herein, a square platform is controlled economically using on/off valves and a two-axis tilt sensor. When the angle values detected by the tilt sensor are transmitted to the PLC, four hydraulic cylinders connected to the on/off valves can control the horizontal state of the platform using the proposed algorithms. This study confirms that stable balancing can be maintained by testing at various loads. Further, various target angles are tested to confirm the proposed horizontal control scheme. Therefore, an efficient horizontal control system can be established and is expected to be of help to various applications.


Keywords: Horizontal control, Hydraulic cylinder, Tilt sensor, On/Off valve, PLC

References


1.	Hong, K. H., Jeong, K. M., Kim, J. S., Oh, J. H., 1994, The Level Control of Platform Using Loop Shaping Time Delay Control (LCTDC), Proceedings of the Korea Automatic Control Conference, 9th (KACC), 1025-1030.
2.	Han, J. K., Kim, J. H., Hwang, J. Y., Kang, Y. S., 2015, Tractor Having a Function of Horizontal Control, KR Patent: 10-1993995-0000.
3.	Woo, S. M., Son, J. H., Park, K. S., 2011, A Study of the Control of Horizontal for the Vehicle in Orchard using Tilt Sensor, Proceedings of the KSPE Autumn Conference, 493-494.
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Il-Jin Bae

Assistant Professor in the Department of Semiconductor Equipment Engineering, Far East University.His research interest in Machine.

E-mail: baeiljin@gmail.com

Sangmin Lee

Researcher, Fepartment of Mechanical Engineering, Chungbuk National University.His research interest is Machine.

E-mail: tlatq1918@naver.com

Su-Yong Park

Researcher, Fepartment of Mechanical Engineering, Chungbuk National University.His research interest is Machine.

E-mail: tndydchlrh@naver.com

Jeong-Youn Lee

Researcher, Fepartment of Mechanical Engineering, Chungbuk National University.His research interest is Machine.

E-mail: boys1028@hanmail.net

Eung-Suk Lee

Professor in the Department of Mechanical Engineering, Chungbuk National University.His research interest in Machine.

E-mail: eungsuk@cbnu.ac.kr