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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Yan Zhao Huijun Gao |
| Copyright Year | 1993 |
| Abstract | This paper investigates the problem of a Takagi-Sugeno (T-S) fuzzy-model-based control of a nonlinear overhead crane system with input delay and actuator saturation. The complex nonlinear dynamic system of the crane is modeled as a three-rule T-S fuzzy model with a saturated input. Based on the fuzzy model, a state-feedback controller is designed so that trajectories of the system that start from an ellipsoid will remain in it, where a decay rate is introduced to accelerate the response speed. Besides, since the input delay often appears in real equipment, the delayed feedback control is also considered with respect to the actuator saturation. Delay-dependent existence conditions of the fuzzy controller are established such that the load can be placed in a desired position by the crane with a much suppressed swing angle, where trajectories of the closed-loop system that start from a bounded set will asymptotically converge to a contractively invariant ellipsoid. The results are formulated in the form of linear matrix inequalities, which can be readily solved via standard numerical software. Simulations on the true plant are illustrated to show the feasibility and effectiveness of the proposed control method. |
| Sponsorship | IEEE Computational Intelligence Society |
| Starting Page | 181 |
| Ending Page | 186 |
| Page Count | 6 |
| File Size | 567771 |
| File Format | |
| ISSN | 10636706 |
| Volume Number | 20 |
| Issue Number | 1 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-02-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Cranes Delay Actuators Fuzzy systems Ellipsoids Linear matrix inequalities Numerical models Takagi–Sugeno (T–S) fuzzy models Actuator saturation attraction domain input delay overhead cranes |
| Content Type | Text |
| Resource Type | Article |
| Subject | Applied Mathematics Artificial Intelligence Control and Systems Engineering Computational Theory and Mathematics |
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