An adaptive grey PID-type fuzzy controller design for a non-linear liquid level system

2009 ◽  
Vol 31 (1) ◽  
pp. 33-49 ◽  
Author(s):  
Erdal Kayacan ◽  
Okyay Kaynak
Keyword(s):  
Fuzzy Controller ◽  
Controller Design ◽  
Liquid Level ◽  
Level System ◽  
Non Linear

Control Algorithm Study for some Optical Tracking Measurement System with Low Mechanical Resonance Frequency

2011 ◽  
Vol 188 ◽  
pp. 241-245
Author(s):  
Yong Li Bi ◽  
Zhong Xian Wang
Keyword(s):  
Linear System ◽  
Resonance Frequency ◽  
Control Algorithm ◽  
Fuzzy Controller ◽  
Controller Design ◽  
Optical Tracking ◽  
Mechanical Resonance ◽  
Non Linear ◽  
Non Linear System ◽  
Tracking Measurement

For some optical tracking measurement systems, because their size, weight and space structure are very strict restrictions, DC servo motors have to drive the loads through the several stages of gear transmission. For such a nonlinear controlled object, it is difficult to obtain acceptable control performance applying the traditional controller design method. In the paper, firstly, establish such a non-linear system dynamic model, and consider intelligent control algorithm to inhibit mechanical resonance effect for the control system performance. In order to achieve real-time control easily, the paper suggests a fuzzy numeric model with the self-regulating factor based on analytic expression for such a non-linear system. The result demonstrates that the fuzzy controller is very effective in applications. This work provides a new thought for a controller design to inhibit the low mechanical resonance frequency.

Application of Bat-Inspired Algorithm to Optimal PIDA Controller Design for Liquid-Level System

2018 ◽  
Author(s):  
Chaiyo Thammarat ◽  
Kittisak Lurang ◽  
Deacha Puangdownreong ◽  
Sarot Hlangnamthip ◽  
Auttarat Nawikavatan ◽  
...  
Keyword(s):  
Controller Design ◽  
Liquid Level ◽  
Level System

scholarly journals Finite-Time Control for a Coupled Four-Tank Liquid Level System Based on the Port-Controlled Hamiltonian Method

Complexity ◽  
2020 ◽  
Vol 2020 ◽  
pp. 1-14
Author(s):  
Tao Xu ◽  
Haisheng Yu ◽  
Jinpeng Yu
Keyword(s):  
Finite Time ◽  
Controller Design ◽  
Design Procedure ◽  
Hamiltonian Function ◽  
Settling Time ◽  
Liquid Level ◽  
Level System ◽  
Time Control ◽  
Practical Engineering ◽  
The Relationship

This work investigates the finite-time control problem for a nonlinear four-tank cross-coupled liquid level system by the port-controlled Hamiltonian (PCH) model. A fixed-free methodology is exhibited which can be used to simplify the controller design procedure. To get an adjustable convergent gain of the finite-time control, a feasible technique named damping normalization is proposed. A novel parameter autotuning algorithm is given to clarify the principle of choosing parameters of the PCH method. Furthermore, a finite-time controller is designed by a state-error desired Hamiltonian function, and the relationship between the settling time and a parameter is given, which can be applied in practical engineering easily to adjust the settling time according to the industrial need. Finally, simulation and experimental results verify the effectiveness of the proposed algorithm.

EPSAC and NEPSAC algorithms applied to a non-linear liquid level system

2019 ◽  
Author(s):  
Diego F. Sendoya-Losada ◽  
Jose O. Arroyave-Quezada ◽  
Alvaro J. Velasquez-Pobre
Keyword(s):  
Liquid Level ◽  
Level System ◽  
Non Linear
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