Please use this identifier to cite or link to this item: https://doi.org/10.4018/978-1-4666-1806-0.ch010
Title: Fault-tolerant control of mechanical systems using neural networks
Authors: Huang, S. 
Tan, K.K. 
Lee, T.H. 
Issue Date: 2012
Source: Huang, S.,Tan, K.K.,Lee, T.H. (2012). Fault-tolerant control of mechanical systems using neural networks. Intelligent Data Analysis for Real-Life Applications: Theory and Practice : 187-205. ScholarBank@NUS Repository. https://doi.org/10.4018/978-1-4666-1806-0.ch010
Abstract: Due to harsh working environment, control systems may degrade to an unacceptable level, causing more regular fault occurrences. In this case, it is necessary to provide the fault-tolerant control for operating the system continuously. The existing control techniques have given some ways to solve this problem, but if the system behaves in an unanticipated manner, then the control system may need to be modified, so that it handles the modified system. In this chapter, the authors are concerned with how this control system can be done automatically, and when it can be done successfully. They aimed in this work at handling unanticipated failure modes, for which solutions have not been solved completely. The model-based fault-tolerant controller with a self-detecting algorithm is proposed. Here, the radial basis function neural network is used in the controller to estimate the unknown failures. Once the failure is detected, the re-configured control is activated and then maintains the system continously. The fault-tolerant control is illustrated in two cases. It is shown that the proposed method can cope with different failure modes which are unknown a priori. The result indicates that the solution is suitable for a class of mechanical systems whose dynamics are subject to sudden changes resulting from component failures when working in a harsh environment. © 2012, IGI Global.
Source Title: Intelligent Data Analysis for Real-Life Applications: Theory and Practice
URI: http://scholarbank.nus.edu.sg/handle/10635/84405
ISBN: 9781466618060
DOI: 10.4018/978-1-4666-1806-0.ch010
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