無(wú)標(biāo)注L型Petri網(wǎng)語(yǔ)言屬性判定的一種方法
[Abstract]:Petri net and automaton are two important methods for modeling discrete event dynamic systems. The study of the relationship between the two models plays an important role in better understanding and controlling the behavior of discrete event dynamic systems. In this paper, the problem is studied from the point of view of formal language, and a method to determine the linguistic attributes of unmarked L-type Petri net is proposed. The concepts of effective iterator and linear sub-are introduced to characterize the properties of Petri net language. For a Petri net PN, the Petri net language corresponding to PN is regular when PN does not have an effective iterator. When a valid iterator of PN has two or more linear children, the Petri net language corresponding to PN is context-dependent. When all valid implicators of PN have only one linear child, the Petri net language corresponding to PN is context-free if there is only one valid adopter, and if PN has two or more valid implicators, then the Petri net language corresponding to PN is context-free when nesting and selection is raised, and the Petri net language corresponding to PN is context-dependent when concurrent initiation and cross-initiation. In this paper, the reachability tree is also improved, and the method of using the improved reachability tree to determine the effective enhancer is given, which makes the method given in this paper operable to determine the language attributes of unmarked L-type Petri net.
【作者單位】: 華北科技學(xué)院計(jì)算機(jī)系;河北省物聯(lián)網(wǎng)數(shù)據(jù)采集與處理工程技術(shù)研究中心;
【基金】:國(guó)家自然科學(xué)基金(批準(zhǔn)號(hào):61472137) 中央高;究蒲袠I(yè)務(wù)項(xiàng)目(批準(zhǔn)號(hào):3142014007,3142015022) 河北省高等學(xué)?茖W(xué)技術(shù)研究項(xiàng)目(批準(zhǔn)號(hào):Z2014038) 青海省重點(diǎn)研發(fā)項(xiàng)目(批準(zhǔn)號(hào):2016-SF-130)資助
【分類號(hào)】:TP301.1
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