Takagi-Sugeno fuzzy modelling and parallel distributed compensation control of conducting polymer actuators

2010 ◽  
Vol 224 (1) ◽  
pp. 41-51 ◽  
Author(s):  
Amir-A Amiri-M ◽  
M Moavenian ◽  
K Torabiz
Keyword(s):  
Conducting Polymer ◽  
Fuzzy Modelling ◽  
Polymer Actuators ◽  
Compensation Control ◽  
Takagi Sugeno

On interval-data based Type-1 Takagi-Sugeno fuzzy systems for uncertain nonlinear dynamic system identification

2016 ◽  
Vol 64 (6) ◽  
Author(s):  
Salman Zaidi ◽  
Andreas Kroll
Keyword(s):  
Fuzzy System ◽  
Nonlinear Dynamic ◽  
Nonlinear Dynamic System ◽  
Random Variable ◽  
Interval Data ◽  
Fuzzy Modelling ◽  
Symbolic Data ◽  
Specific Assumption ◽  
Takagi Sugeno

AbstractA novel interval-data based Takagi-Sugeno fuzzy system is proposed to identify uncertain nonlinear dynamic systems by endowing the classical TS fuzzy system with probability theory and symbolic data analysis. Such systems have variability in their outputs, that is they produce varying responses each time when the same stimuli is applied to them under the same condition. Interval data is generated by repeating the identification experiment multiple times and applying the probabilistic techniques to get soft bounds of output. The interval data is then directly used in the TS fuzzy modelling, giving rise to interval antecedent and consequent parameters. This method does not require any specific assumption on the probability distribution of the random variable that models the uncertainty. The developed procedure is demonstrated for a pneumatic drive system.

scholarly journals Further results on robust fuzzy dynamic systems with LMI D-stability constraints

2014 ◽  
Vol 24 (4) ◽  
pp. 785-794 ◽  
Author(s):  
Wudhichai Assawinchaichote
Keyword(s):  
Dynamic Systems ◽  
Fuzzy Controller ◽  
Sufficient Conditions ◽  
Fuzzy Model ◽  
Local System ◽  
Linear Matrix ◽  
Fuzzy Modelling ◽  
Ts Fuzzy Model ◽  
Input Noise ◽  
Takagi Sugeno

Abstract This paper examines the problem of designing a robust H∞ fuzzy controller with D-stability constraints for a class of nonlinear dynamic systems which is described by a Takagi-Sugeno (TS) fuzzy model. Fuzzy modelling is a multi-model approach in which simple sub-models are combined to determine the global behavior of the system. Based on a linear matrix inequality (LMI) approach, we develop a robust H∞ fuzzy controller that guarantees (i) the L2-gain of the mapping from the exogenous input noise to the regulated output to be less than some prescribed value, and (ii) the closed-loop poles of each local system to be within a specified stability region. Sufficient conditions for the controller are given in terms of LMIs. Finally, to show the effectiveness of the designed approach, an example is provided to illustrate the use of the proposed methodology.

scholarly journals How the type of input function affects the dynamic response of conducting polymer actuators

2014 ◽  
Vol 23 (10) ◽  
pp. 105008 ◽  
Author(s):  
Xingcan Xiang ◽  
Gursel Alici ◽  
Rahim Mutlu ◽  
Weihua Li
Keyword(s):  
Dynamic Response ◽  
Conducting Polymer ◽  
Input Function ◽  
Polymer Actuators

Hybrid Actuation in Coupled Ionic / Conducting Polymer Devices

2003 ◽  
Vol 785 ◽  
Author(s):  
Matthew D. Bennett ◽  
Donald J. Leo
Keyword(s):  
Conducting Polymer ◽  
Smart Materials ◽  
Electromechanical Coupling ◽  
Performance Metrics ◽  
Polymer Membrane ◽  
Low Frequencies ◽  
Ionic Polymer ◽  
Polymer Actuators ◽  
Ionic Conducting ◽  
Initial Results

ABSTRACTIonic polymer membrane actuators represent a relatively new and exciting entry into the field of smart materials. Several key limitations of these transducers have prevented them from experiencing widespread use, however. For example, the bandwidth of these devices is limited at very low frequencies by characteristic relaxation and at high frequencies by the low elastic modulus of the polymer. In this paper, an overview of the initial results of work with hybrid ionic / conducting polymer actuators is presented. These hybrid actuators are devices that combine the electromechanical coupling of ionic polymer actuators and conducting polymer actuators into one coupled device. Initial results show that these hybrid devices have the potential to offer marked advantages over traditional ionic polymer membrane transducers, including increased stress and strain generation and higher actuation bandwidth. Details of the preparation of these devices and performance metrics are presented and comparisons to baseline materials are made.

Conducting Polymer Actuators: Properties and Modeling

2000 ◽  
pp. 207-244 ◽  
Author(s):  
A. Mazzoldi ◽  
A. Della Santa ◽  
D. De Rossi
Keyword(s):  
Conducting Polymer ◽  
Polymer Actuators

Nonlinear Two-Dimensional Transmission Line Models for Electrochemically Driven Conducting Polymer Actuators

2017 ◽  
Vol 22 (2) ◽  
pp. 705-716 ◽  
Author(s):  
Meisam Farajollahi ◽  
Ashwin Usgaocar ◽  
Yuta Dobashi ◽  
Vincent Woehling ◽  
Cedric Plesse ◽  
...  
Keyword(s):  
Transmission Line ◽  
Conducting Polymer ◽  
Two Dimensional ◽  
Polymer Actuators ◽  
Transmission Line Models
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