中国机械工程
中國機械工程
중국궤계공정
CHINA MECHANICAl ENGINEERING
2015年
7期
923-928
,共6页
切削数据库%零件特征%实例推理%规则推理%混合推理%动力学优化
切削數據庫%零件特徵%實例推理%規則推理%混閤推理%動力學優化
절삭수거고%령건특정%실례추리%규칙추리%혼합추리%동역학우화
cutting database%part feature%case-based reasoning%rule-based reasoning%hybrid rea-soning%dynamics optimization
对大型机床零件切削数据库系统进行了需求分析，确定了系统中主要属性参量及其相互关系。提出了大型机床零件几何特征定义和尺寸特征定义。将实例和规则推理相结合，建立了基于混合推理技术的切削数据库系统。为便于检索，定义了属性的优先级。在实例推理中，确定了特定属性的局部相似度。将动力学优化技术与实例匹配相结合，寻找最优参数，增强了解决实际问题的能力。
對大型機床零件切削數據庫繫統進行瞭需求分析，確定瞭繫統中主要屬性參量及其相互關繫。提齣瞭大型機床零件幾何特徵定義和呎吋特徵定義。將實例和規則推理相結閤，建立瞭基于混閤推理技術的切削數據庫繫統。為便于檢索，定義瞭屬性的優先級。在實例推理中，確定瞭特定屬性的跼部相似度。將動力學優化技術與實例匹配相結閤，尋找最優參數，增彊瞭解決實際問題的能力。
대대형궤상령건절삭수거고계통진행료수구분석，학정료계통중주요속성삼량급기상호관계。제출료대형궤상령건궤하특정정의화척촌특정정의。장실례화규칙추리상결합，건립료기우혼합추리기술적절삭수거고계통。위편우검색，정의료속성적우선급。재실례추리중，학정료특정속성적국부상사도。장동역학우화기술여실례필배상결합，심조최우삼수，증강료해결실제문제적능력。
According to the demand analyses of large machine tool parts cutting database system, the parameters of main attributes and their mutual relationships were determined in the system.The geometrical and the dimensional feature definition of large machine tool parts were presented.Based on hybrid reasoning technology which combined case-based and rule-based reasoning,a cutting database system was established.The priority of attributes was defined for fast retrieval.Local similarities of specific attributes were determined during case-based reasoning.Combining dynamics optimization technique with instance matching the optimal parameters were found.Then,the ability of the system of solving practical problems is enhanced.
