| 一类非线性系统参数偏差型故障的实时检测与诊断 |
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| 引用本文： | 周东华,孙优贤,席裕庚,张钟俊.一类非线性系统参数偏差型故障的实时检测与诊断[J].自动化学报,1993,19(2):184-189. |
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| 作者姓名： | 周东华 孙优贤 席裕庚 张钟俊 |
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| 作者单位： | 1.浙江大学工业控制研究所,杭州; |
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| 摘 要： | 本文针对一类较一般的多变量非线性时变随机系统,给出了一种全新的用于其参数偏差型故障的实时检测与诊断方法。这类故障包容了诸如部件参数的阶跃型和缓变型故障等,所给仿真实例证实了本文方法的有效性。
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| 关 键 词： | 非线性系统 参数偏差 参数估计 故障检测 故障诊断 |
| 收稿时间： | 1991-5-20 |
Real-Time Detection and Diagnosis of "Parameter Bias" Faults for Nonlinear Systems |
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| Zhou Donghua,Sun Youxian,Xi Yugeng,Zhang Zhongjun.Real-Time Detection and Diagnosis of "Parameter Bias" Faults for Nonlinear Systems[J].Acta Automatica Sinica,1993,19(2):184-189. |
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| Authors: | Zhou Donghua Sun Youxian Xi Yugeng Zhang Zhongjun |
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| Abstract: | A systematic method for real-time detection, isolation and estimation of "parameter bias" faults for a general class of nonlinear time-vary ng stochastic systems is proposed. The "parameter bias" faults may be of jump or slow drift type faults representing several large classes of system faults, such as the jump/slow drift type faults of the components, etc. Numerical results for a ship propelling model illurstrate the effectiveness of the proposed method. |
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| Keywords: | Nonlinear stochastic system parameter bias parameter estimation fault detection fault diagnoss |
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