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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Cen Zhaohui Wei Jiaolong Jiang Rui |
| Copyright Year | 2010 |
| Description | Author affiliation: Department of Electrical and Information Engineering, Huazhong University of Science and technology, Wuhan, Hubei, China (Cen Zhaohui; Wei Jiaolong; Jiang Rui) |
| Abstract | This paper presents a fault diagnosis (FD) scheme for a class of nonlinear dynamic systems using a novel Grey-Box Neural Network Model (GBNNM). In this GBNNM, a composite structure, including MLP (multi-layer perception) NN (Neural Network) and integer term, is proposed to approximate both nonlinearity and dynamics of object system. Its approximation ability is then proved theoretically. And a self-defined exciting strategy is introduced into NN training to improve NN's generalization ability. Unlike previous NN model based fault diagnosis methods, a quantitative residual, which is obtained from system output and its GBNNM model output, can accurately indicates inconsistency caused by fault, so the improved residual is not essential for our scheme. The proposed FD scheme is applied in a high-fidelity Reaction Wheel (RW) in Satellite Attitude Control System (SACS) in our case study. The results of the case study demonstrate the effectiveness and superiority of our FD scheme. |
| Starting Page | 249 |
| Ending Page | 254 |
| File Size | 822217 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424474530 |
| e-ISBN | 9788993215021 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-10-27 |
| Publisher Place | Korea (South) |
| Access Restriction | Subscribed |
| Rights Holder | IEEE International Conference on Control & Automation |
| Subject Keyword | Training Fault diagnosis Grey-box Neural-network model (GBNNM) Wheels nonlinear dynamic systems Artificial neural networks Model Identification and Fault diagnosis Reaction wheel Nonlinear dynamical systems Approximation methods Mathematical model |
| Content Type | Text |
| Resource Type | Article |
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