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首页> 外文期刊>International Journal of Robust and Nonlinear Control >Developing a fault tolerant power-train control system by integrating design of control and diagnostics
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Developing a fault tolerant power-train control system by integrating design of control and diagnostics

机译:通过集成控制和诊断设计来开发容错动力总成控制系统

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摘要

Fault detection, isolation and fault tolerant control are investigated for an spark ignition engine. Fault tolerant control refers to a strategy in which the desired stability and robustness of the control system are guaranteed in the presence of faults. In an attempt to realize fault tolerant control, a methodology for integrated design of control and fault diagnostics is proposed. Specifically, the integrated design of control and diagnostics is achieved by combining the integral sliding mode control methodology and observers with hypothesis testing. Information obtained from integral sliding mode control and from observers with hypothesis testing is utilized so that a fault can be detected, isolated and compensated. As an application example, the air and fuel dynamics of an IC engine are considered. A mean value engine model is developed and implemented in Simulink (R). The air and fuel dynamics of the engine are identified using experimental data. The proposed algorithm for integration of control and diagnostics is then validated using the identified engine model. Copyright (C) 2001 John Wiley & Sons, Ltd. [References: 16]
机译:研究了火花点火发动机的故障检测,隔离和容错控制。容错控制是指一种策略,其中在出现故障时可以保证控制系统的所需稳定性和鲁棒性。为了实现容错控制,提出了一种用于控制和故障诊断的集成设计的方法。具体而言,通过将整体滑模控制方法和观察者与假设检验相结合,可以实现控制和诊断的集成设计。利用从整体滑模控制和观察者进行假设检验获得的信息,从而可以检测,隔离和补偿故障。作为应用示例,考虑了内燃机的空气和燃料动力学。在Simulink(R)中开发并实现了平均值引擎模型。使用实验数据确定发动机的空气和燃料动力学。然后,使用确定的引擎模型来验证所提出的用于控制和诊断集成的算法。版权所有(C)2001 John Wiley&Sons,Ltd. [引用:16]

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