two kinds of information fusion method of the cutting chatter state recognition are given based on the basic probability assignment function, pl(a) and (bel(a).
讨论了切削颤振状态识别的信息融合方法,分别给出了基于基本概率分配函数和基于证据区间值的颤振状态识别方法。
in the d-s evidence theory, its necessary to obtain the basic probability assignment function of all kinds of evidence in order to carry on target recognition.
s证据理论中,进行目标识别需要获取各项证据的基本概率分配函数。
the d-s evidence theory is applied to the fault identification, and the basic probability assignment is offered with the statistical evidence.
该方法采用d-s证据理论决策级融合进行故障识别,利用统计证据获得基本概率赋值。
at first, the basic probability assignment is established; then, the trust function is calculated; at last, the decision is made according to some combination rule.
首先建立基本概率赋值,然后计算信任函数,最后按照一定的组合规则作出决策。
secondly, with the classification method of rs, we analyses the small table, and get the basic probability assignment for evidence theory.
其次对各子决策表进行分析,利用粗糙集的分类思想和隶属度概念,计算证据的基本可信度分配;