| 不确定性干扰时的离散模型参考自适应控制器 |
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| 引用本文： | 鲍平安,周凤歧. 不确定性干扰时的离散模型参考自适应控制器[J]. 航空学报, 1989, 10(8): 373-380 |
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| 作者姓名： | 鲍平安 周凤歧 |
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| 作者单位： | 西北工业大学(鲍平安)，西北工业大学(周凤歧) |
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| 摘 要： | 针对有不确定性干扰的系统,本文提出了一种具有相对死区函数的鲁棒自适应控制算法,给出了整个自适应控制系统的稳定性证明。同时,以一个简单柔性结构模型作为算例,验证了该算法的有效性。
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| 关 键 词： | 自适应控制 鲁棒性 自动控制 数字仿真 柔性结构 |
| 收稿时间： | 1988-03-30; |
A DISCRETE-TIME MODEL REFERENCE ADAPTIVE CONTROLLER IN THE PRESENCE OF UNCERTAIN DISTURBANCES |
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| Northwestern Polytechnical University Bao Pingan and Zhou Fengqi. A DISCRETE-TIME MODEL REFERENCE ADAPTIVE CONTROLLER IN THE PRESENCE OF UNCERTAIN DISTURBANCES[J]. Acta Aeronautica et Astronautica Sinica, 1989, 10(8): 373-380 |
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| Authors: | Northwestern Polytechnical University Bao Pingan and Zhou Fengqi |
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| Affiliation: | Northwestern Polytechnical University Bao Pingan and Zhou Fengqi |
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| Abstract: | This paper proposes a new discrete-time model reference adaptive control scheme, which is robust with respect to uncertain disturbances which bounded a selected normalizationsignal.This scheme is suitable for the case——the plant's relative degree n* ≥1.A relative deadzone function is introduced in the adaptive law to overcome the effects of uncertainty.It is shown that, if the ratio of uncertainty to the normalization signal is sufficiently small, then the adaptive control system is stable.Meanwhile, this scheme has been proved to be highly effective through a simple flexible structure model. |
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| Keywords: | adaptive control robustness automatic control digital simulation flexible structure. |
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