Implementation and Simulation of an Automated PLC Hydraulic System for a Double-acting Actuator Using a Proportional Valve

Subject Areas :

Karim Sobbouhi ¹ , Farshid Aghadavoudi ² , Mehdi Baharizadeh ³

1 - Department of Mechanical Engineering, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr/Isfahan, Iran
2 - Department of Mechanical Engineering, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr/Isfahan, Iran
3 - Department of Electrical Engineering, Khomeinishahr Branch, Islamic Azad University, Isfahan, Iran

Received: 2022-08-01 Accepted : 2022-10-22 Published : 2022-10-01

Keywords: Automation, PLC, Proportional Valve, Hydraulic Control, Linear Actuator,

Abstract :

The use of electro-hydraulic valves, particularly the proportional valve, has been important progress in the development of modern automated manufacturing equipment such as cutting or forming machine tools. Using these valves, electrical control signals can be converted into fluid energy in hydraulic systems. The main purpose of this study was to implement a control system for a 4-3 proportional hydraulic valve to control the position and speed of a double-acting cylinder. In this paper firstly the equipment is introduced and then the results of the implementation of the closed-loop control of this hydraulic valve controlled by PLC have been presented. The purpose of the control system is to equalize the extending and retraction times of the double-acting hydraulic cylinder. The practical results showed the electro-hydraulic system has performed well and the system has achieved the control goal to an acceptable level. In the simulation section, the performance of an open-loop control electro-hydraulic system for tracking a harmonic voltage input signal has been investigated. The electro-hydraulic circuit was designed in such a way that the stroke time of the hydraulic cylinder is independent of the external load. The results showed that applying input harmonic voltage between -10 and 10 volts causes the cylinder rod to move back and forth under external load.

References:

[1] Neugebauer, R., Denkena, B. and Wegener K. 2007. Mechatronic systems for machine tools. CIRP annals. 56(2): 657-686.

[2] Koren, Y., Heisel, U., Jovane, F., Moriwaki, T., Pritschow, G., Ulsoy, G. and Van Brussel, H. 1999. Reconfigurable manufacturing systems. CIRP annals. 48(2):527-540.

[3] Esmaili, M. and Saadat, M. 2020. Path Planning and Control of an Industrial Robot Used for Opening Tap Hole of an Electric Arc Furnace. Journal of Modern Processes in Manufacturing and Production. 9(4): 5-14.

[4] Xu, B., Shen, J., Liu, S., Su, Q., and Zhang, J. 2020. Research and development of electro-hydraulic control valves oriented to industry 4.0: a review. Chinese Journal of Mechanical Engineering. 33(1): 1-20

[5] Goodarzi, M. 2016. Fractional Order Control of Micro Electro-Mechanical Systems. Journal of Modern Processes in Manufacturing and Production. 5(2):55-67.

[6] Zhang, J., Wang, D., Xu, B., Su, Q., Lu, Z. and Wang, W. 2019. Flow control of a proportional directional valve without the flow meter. Flow Measurement and Instrumentation. 67: 131-141.

[7] Lee, I.Y., Oh, D.H., Ji, S.W. and Yun, S.N. 2015. Control of an overlap-type proportional directional control valve using input shaping filter. Mechatronics. 29: 87-95.

[8] Gu, W., Yao, J., Yao, Z. and Zheng, J. 2019. Output feedback model predictive control of hydraulic systems with disturbances compensation. ISA transactions. 88: 216-224.

[9] Kumaravel, B. and Rajay Vedaraj, I. S. 2015. Modeling and simulation of Hydraulic servo system with different type of controllers. Journal of Electrical and Electronics Engineering. 10(1):4-9.

[10] Dasgupta, K., Ghoshal, S.K., Kumar, S. and Das, J. 2019. Dynamic analysis of an open-loop proportional valve controlled hydrostatic drive. Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering. 233(6): 1245-1256.

[11] Chen, C.T., Renn, J.C. and Yan, Z.Y. 2011. Experimental identification of inertial and friction parameters for electro-hydraulic motion simulators. Mechatronics. 21(1): 1-10.

[12] Liu, G.P., Daley, S. and Duan, G.R. 2002. Application of optimal-tuning PID control to industrial hydraulic systems. IFAC Proceedings Volumes. 35(1): 179-184.

[13] Adeoye, A. O. M., Aderoba, A. A. and Oladapo, B.I. 2017. Simulated design of a flow control valve for stroke speed adjustment of hydraulic power of robotic lifting device. Procedia engineering. 173:1499-1506.

[14] Shi, J., Quan, L., Zhang, X. and Xiong, X. 2018. Electro-hydraulic velocity and position control based on independent metering valve control in mobile construction equipment. Automation in Construction. 94:73-84.