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针对当前航空器意图研究存在的统一性与规范性方面的问题,利用计算机形式语言文法的形式定义生成航空器意图描述语言AIDL(aircraft intent description language)的文法,根据AIDL的词法规则与句法规则实现了AIDL句型的有效组合方式,同时依据线性文法实现了AIDL句子的推导与归约。基于确定的有穷状态自动机(DFA)对AIDL的句子进行识别,自动生成与AIDL句子相对应的航空器意图信息,规范了航空器意图信息的描述,提出了空中交通管理中管制员与飞行员沟通的一种新方法,能够提高航空器意图信息获取的准确性与及时性,减少语音通信传输造成的理解误差。
Aiming at the problems of the uniformity and normativity of the current aircraft intent research, this paper defines the grammar of aircraft intent description language (AIDL) by means of computer formal grammar, and realizes AIDL according to the lexical and syntactic rules of AIDL The effective combination of sentence patterns, at the same time based on the linear grammar AIDL sentence deduction and reduction. Identifying AIDL sentences based on a deterministic finite state automaton (DFA), automatically generating aircraft intent information corresponding to the AIDL sentence, regulating a description of aircraft intent information, proposing a way for ATC controllers to communicate with pilots A new method can improve the accuracy and timeliness of aircraft information acquisition and reduce the misunderstandings caused by the transmission of voice communication.