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| Content Provider | IET Digital Library |
|---|---|
| Author | Lam, Hak Keung Li, Hongyi Liu, Honghai |
| Abstract | This study proposes a new category of fuzzy-observer-based controllers to stabilise non-linear plants based on the fuzzy-model-based control approach. A fuzzy observer is proposed to estimate the system states of the non-linear plant and a fuzzy-observer-based controller using the estimated system states for feedback compensation is proposed to close the feedback loop for the control process. It does not require that the fuzzy observer and fuzzy-observer-based controller have to share the same premise membership functions and the same number of rules of the Takagi–Sugeno fuzzy model. A membership-function-dependent stability analysis approach is proposed to investigate the stability of the fuzzy-observer-based control system based on the Lyapunov method. A set of bilinear matrix inequalities (BMIs) is obtained to guarantee the system stability and control synthesis. To find a feasible solution of the BMI-based stability conditions, a solution-searching algorithm, which combines global searching algorithm and convex programming techniques, is proposed. A simulation example is provide to demonstrate its capability of relaxing control design flexibility and effectiveness. |
| Starting Page | 663 |
| Ending Page | 672 |
| Page Count | 10 |
| ISSN | 17518644 |
| Volume Number | 7 |
| e-ISSN | 17518652 |
| Issue Number | Issue 5, Mar (2013) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-cta/7/5 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-cta.2012.0465 |
| Journal | IET Control Theory & Applications |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Algebra Bilinear Matrix Inequalities Control Synthesis Control System Analysis Control System Synthesis Convex Programming Feedback Feedback Compensation Feedback Loop Fuzzy Control Fuzzy-model-based Control Approach Fuzzy-observer-based Controller Global Searching Algorithm Linear Matrix Inequalities Lyapunov Method Membership Function Membership-function-dependent Stability Analysis Modelling And Identification Nonlinear Control System Nonlinear System Observers Optimisation Technique Search Problem Simulation Solution-searching Algorithm Stability Stability in Control Theory Synthesis Method System State Estimation Takagi-Sugeno Fuzzy Model Takagi–Sugeno Fuzzy Model |
| Content Type | Text |
| Resource Type | Article |
| Subject | Control and Optimization Control and Systems Engineering Human-Computer Interaction Electrical and Electronic Engineering Computer Science Applications |
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