To address the issue of rule premise combination explosion in the construction of the traditional complete conjunctive belief rule base(BRB),this paper introduces an orthogonal design method to reduce the conjunctive ...To address the issue of rule premise combination explosion in the construction of the traditional complete conjunctive belief rule base(BRB),this paper introduces an orthogonal design method to reduce the conjunctive BRB.The reasoning method based on reduced conjunctive BRB is designed with the help of the conversion technology from conjunctive BRB to disjunctive BRB.Finally,the operational mission effectiveness evaluation is taken as an example to verify the proposed method.The results show that the method proposed in this paper is feasible and effective.展开更多
针对现存应急预案大都是文本形式预案,用于处理突发事件时指导性不强、指导作用不明显,提出基于案例推理(case based reasoning,CBR)与基于规则推理(rule based reasoning,RBR)相结合的方法。采用RBR方法,推理得出需要的应急预案,运用CB...针对现存应急预案大都是文本形式预案,用于处理突发事件时指导性不强、指导作用不明显,提出基于案例推理(case based reasoning,CBR)与基于规则推理(rule based reasoning,RBR)相结合的方法。采用RBR方法,推理得出需要的应急预案,运用CBR方法,使用最近邻匹配方法从案例库中查找符合给定相似度的案例,并将2种方法相结合。结果表明:该方法能克服单独使用CBR时面临的无规则预案生成陷入困境及单独使用RBR时预案生成延时及规则建立难度大的瓶颈,兼容RBR极强的推理演绎能力和CBR建立与维护系统容易的优势,使生成应急预案更加高效可靠。展开更多
针对电火花修整超硬砂轮过程中选择合适放电参数困难的问题,引入基于实例的推理(CBR)和基于规则的推理(RBR)相结合的推理技术,确定了电火花修整超硬砂轮实例表示和实例相似度计算及权值分配的方法,阐述了电火花修整放电规准和规则表示,...针对电火花修整超硬砂轮过程中选择合适放电参数困难的问题,引入基于实例的推理(CBR)和基于规则的推理(RBR)相结合的推理技术,确定了电火花修整超硬砂轮实例表示和实例相似度计算及权值分配的方法,阐述了电火花修整放电规准和规则表示,并以Visual Basic 6.0为开发工具,以SQL Server 2005为底层数据库支持软件,开发了电火花修整超硬砂轮专家系统。将该系统应用于青铜结合剂CBN砂轮NBC160M100的放电参数选择中,实验结果表明,基于CBR-RBR的推理技术可行有效。展开更多
基金supported by the Military Scientific Research Program(41401020301).
文摘To address the issue of rule premise combination explosion in the construction of the traditional complete conjunctive belief rule base(BRB),this paper introduces an orthogonal design method to reduce the conjunctive BRB.The reasoning method based on reduced conjunctive BRB is designed with the help of the conversion technology from conjunctive BRB to disjunctive BRB.Finally,the operational mission effectiveness evaluation is taken as an example to verify the proposed method.The results show that the method proposed in this paper is feasible and effective.
文摘针对现存应急预案大都是文本形式预案,用于处理突发事件时指导性不强、指导作用不明显,提出基于案例推理(case based reasoning,CBR)与基于规则推理(rule based reasoning,RBR)相结合的方法。采用RBR方法,推理得出需要的应急预案,运用CBR方法,使用最近邻匹配方法从案例库中查找符合给定相似度的案例,并将2种方法相结合。结果表明:该方法能克服单独使用CBR时面临的无规则预案生成陷入困境及单独使用RBR时预案生成延时及规则建立难度大的瓶颈,兼容RBR极强的推理演绎能力和CBR建立与维护系统容易的优势,使生成应急预案更加高效可靠。
文摘针对电火花修整超硬砂轮过程中选择合适放电参数困难的问题,引入基于实例的推理(CBR)和基于规则的推理(RBR)相结合的推理技术,确定了电火花修整超硬砂轮实例表示和实例相似度计算及权值分配的方法,阐述了电火花修整放电规准和规则表示,并以Visual Basic 6.0为开发工具,以SQL Server 2005为底层数据库支持软件,开发了电火花修整超硬砂轮专家系统。将该系统应用于青铜结合剂CBN砂轮NBC160M100的放电参数选择中,实验结果表明,基于CBR-RBR的推理技术可行有效。
