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首页> 外文期刊>International Journal of Control >Optimal piecewise-constant signal design for active fault detection
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Optimal piecewise-constant signal design for active fault detection

机译：用于主动故障检测的最佳分段恒定信号设计

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摘要

Recently there has been an increasing interest in active fault detection when traditional approaches are not effective or cannot be used. Previous papers have shown how to construct continuously varying test (auxiliary) signals for use in fault detection and identification. Such signals may not always be easy to implement. In this paper a new algorithm is presented to compute optimal piecewise constant test signals. In the important case where the test signal changes values a small number of times, the new test signals can be both smaller and more effective than test signals computed by other means. Two computational examples are given to illustrate both computational issues and differences between different types of piecewise constant signals.
机译：最近，当传统方法无效或无法使用时，人们对主动故障检测越来越感兴趣。先前的论文已经展示了如何构造连续变化的测试（辅助）信号以用于故障检测和识别。这样的信号可能并不总是容易实现的。本文提出了一种新的算法来计算最优的分段常数测试信号。在测试信号变化次数很少的重要情况下，新的测试信号可能比其他方式计算出的测试信号更小，更有效。给出两个计算示例来说明计算问题和不同类型的分段常数信号之间的差异。

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