Simulation Design of Level Cascade Control System for Double-capacity Water Tanks

Authors

  • Yanping Li

DOI:

https://doi.org/10.54097/ajst.v8i2.14712

Keywords:

Double-capacity water tank, Cascade control, PID, Simulation.

Abstract

As a typical representative of process control, double-capacity water tank level control is a common automation control system used to control the level of two tanks to achieve level stabilisation and control, which is widely used in various fields of industrial production. Liquid level control is the key to the performance of the whole control system due to the existence of hysteresis and other problems in the control. Serial control of the sub-loop has a rapid control role, it can effectively overcome the impact of the disturbance into the sub-loop, improve the dynamic characteristics of the object, so in order to achieve better control performance, this design uses serial control to achieve the level of double-capacity water tank fixed value control. Double-capacity water tank level series control system to the tank level as the controlled quantity, first of all, the characteristics of the tank, the establishment of its mathematical modelling, and then the use of MATLAB on the simulation of the tank as well as PID parameter adjustment, and finally through the response curve to analyze the control performance of the system. The simulation results show that the double-capacity water tank level series control performance is good, the system can achieve the level of static-free regulation, and anti-interference ability is strong, with good dynamic and steady state performance.

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References

H. Zhonglin., H. Jing. Control system MATLAB calculation and simulation[M].Beijing: Defence Industry Press, 2016.

L. Chunhua, W. Di, G.Ruibang. Design of serial control system based on digital PID for liquid level of double-capacity water tanks [J]. Applied Energy Technology, 2019(01):51-52.

S. Ting. Design of cascade control system for liquid level of double-capacity water tanks [J]. Industry and Technology Forum, 2014, 13(14):65-67.

W. Zhixin, G. Yundong. Experiments on level control of random outgoing and incoming dual-capacity tanks and mathematical modelling of controlled objects [J]. Chemical Automation and Instrumentation, 2006(02):13-16.

S. Bin, Research on digital factory related technology based on double-capacity water tank control [D]. Xi'an: Xi'an University of Science and Technology, 2018.

Z. Rongqiang, L. Zhen, Simulation study of DMC-PID series control of liquid level in double-capacity water tanks [J]. Automation Instrumentation, 2011, 32(10):63-65.

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Published

30-11-2023

Issue

Section

Articles

How to Cite

Simulation Design of Level Cascade Control System for Double-capacity Water Tanks. (2023). Academic Journal of Science and Technology, 8(2), 18-21. https://doi.org/10.54097/ajst.v8i2.14712

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