On the Development of Expert System for Turning Operation

车削加工专家系统的研制

• 批准号: 62460082
• 负责人: USUI Eiji
• 金额: $ 4.54万
• 依托单位: Tokyo Institute of Technology
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for General Scientific Research (B)
• 财政年份: 1987
• 资助国家: 日本
• 起止时间: 1987 至 1989
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-62460082/
• 关键词: expert system; turning; optimum cutting conditions; machining troubles; evaluating function; knowledge base; database; トラブル処理システム; 特徴抽出; ファジー関数; メタ知識; 知識獲得; 最適切削条件; CNC加工

On the development of an expert system for selecting the optimum cutting conditions, system architecture and fundamental functions are examined. The way of thinking of expert tool engineers for obtaining the optimum cutting conditions was first examined through a questionary investigation. In the system the frame construction was used for knowledge representation and inference because it was found to be similar to tool engineers' knowledge architecture.The system was then constructed so as to possess the same functions as those in their way of thinking. The most important functions of the system are the prediction and the resolution of machining troubles such as chatter vibration, excessive tool wear and rough surface finish. Two different approaches are taken depending upon the kind of the troubles, which are retrieving data method with aid of the evaluating functions and analytical method through the algorithm of the metal cutting theories. The functions for self-enrichment of database and learning of knowledge were developed in order to improve the system ability. The function which explains the process of inference to user further developed. The expert system developed was applied to the several turning operations and it proved to be effective in the prediction of machining troubles and the decision of initial cutting conditions.

在开发最佳切削条件选择专家系统的过程中，研究了系统的结构和基本功能。首先通过问卷调查考察了专家刀具工程师获取最佳切削条件的思维方式。在系统中，由于框架结构与工具工程师的知识结构相似，因此采用框架结构进行知识表示和推理。然后，这个系统被构建成与他们的思维方式具有相同的功能。该系统的主要功能是对颤振、刀具过度磨损和表面粗糙度等加工问题进行预测和解决。根据故障类型的不同，采用了基于评价函数的数据检索方法和基于金属切削理论算法的分析方法。为了提高系统的能力，开发了数据库的自充实功能和知识学习功能。进一步开发了向用户说明推理过程的功能。将所开发的专家系统应用于几种车削加工，结果表明该系统在预测加工故障和确定初始切削条件方面是有效的。

项目成果

村松隆: "切削条件決定のためのエキスパ-トシステムに関する研究(第5報)" 1990年度精密工学会春季大会学術講演会講演論文集. 325-326 (1990)

Takashi Muramatsu：“确定切削条件的专家系统的研究（第 5 次报告）”日本精密工程学会 1990 年春季会议记录 325-326（1990）。

松村隆: "最適切削条件選定用エキスパ-トシステムの開発に関する研究(第1報)" 精密工学会誌.

松村隆：“用于选择最佳切削条件的专家系统的开发研究（第一篇报告）”日本精密工程学会杂志。

松村隆: "切削条件決定のためのエキスパ-トシステムに関する研究(第5報)" 1990年度精密工学会春季大会学術講演会講演論文集.

Takashi Matsumura：“确定切削条件的专家系统的研究（第 5 次报告）”日本精密工程学会 1990 年春季会议论文集。

Takashi MATSUMURA: "On the Development of Expert System for Selecting the Optimum Cutting Conditions (1st Report)" Journal of J.S.P.E to be published.

Takashi MATSUMURA​​：“关于选择最佳切削条件的专家系统的开发（第 1 次报告）” J.S.P.E 杂志即将出版。

Takashi Matsumura: "On the Expert System for Deciding Cutting Conditions (5th Report)" Preprint of JSPE Annual Meeting 325-326, 1990.

Takashi Matsumura：“论决定切削条件的专家系统（第5次报告）”JSPE年会预印本325-326，1990年。