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Chaos suppression of uncertain gyros in a given finite time 被引量:1
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作者 Mohammad Pourmahmood Aghababa Hasan Pourmahmood Aghababa 《Chinese Physics B》 SCIE EI CAS CSCD 2012年第11期126-131,共6页
The gyro is one of the most interesting and everlasting nonlinear dynamical systems, which displays very rich and complex dynamics, such as sub-harmonic and chaotic behaviors. We study the chaos suppression of the cha... The gyro is one of the most interesting and everlasting nonlinear dynamical systems, which displays very rich and complex dynamics, such as sub-harmonic and chaotic behaviors. We study the chaos suppression of the chaotic gyros in a given finite time. Considering the effects of model uncertainties, external disturbances, and fully unknown parameters, we design a robust adaptive finite-time controller to suppress the chaotic vibration of the uncertain gyro as quickly as possible. Using the finite-time control technique, we give the exact value of the chaos suppression time. A mathematical theorem is presented to prove the finite-time stability of the proposed scheme. The numerical simulation shows the efficiency and usefulness of the proposed finite-time chaos suppression strategy. 展开更多
关键词 chaos suppression chaotic gyro finite-time stability ROBUSTNESS
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