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不确定信息的度量及其在制造中的应用示例

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Keywords: 信息测度,不确定性,概率熵,模糊熵,复合熵

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Abstract:

随机数学和模糊数学是描述不确定性现象的两种主要数学方法。申农用概率论作为度量信息的数学工具,把信息与不确定性关联起来;但申农熵只是一种概率熵,没有考虑其他型式的不确定性以及信息的含义与价值等。为此,对模糊不确定性的度量、复合熵和全信息作进一步陈述,探讨了信息熵在制造中的应用,并给出两个实例,其中一例是有关不确定切削力的复合熵计算,另一例是基于信息熵的加工过程自适应控制。

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