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基于实例推理的铲式玉米精密播种机设计

, PP. 51-55

Keywords: 玉米,播种机,实例推理,实例检索,数字化设计

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Abstract:

基于实例推理的基本原理,针对传统案例属性相似度计算模型缺乏对不确定环境中不精确信息的适应性,研究了最近邻实例检索过程中实例属性相似度的确定方法以及属性权重的组合计算,提出检索过程中区间值属性相似度的计算模型和基于相似度离差信息的客观赋权方法。将实例推理技术应用在铲式玉米精密播种机的设计过程中,采用IDEF0法对播种机设计任务进行分解,采用最近邻实例检索策略完成实例检索并根据设计要求进行修整,从而达到设计要求。运用Pro/E对设计方案进行三维造型并进行动态仿真,验证了设计方案的有效性和可行性。

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