木材空腐缺陷二维参数与三维形貌关系  

Relationship between two-dimensional sampling parameters and three-dimensional modeling of wood defects

作　　者：姜淑凤[1,2] 邬凯 张然 贺月灿 JIANG Shufeng;WU Kai;ZHANG Ran;HE Yuechan(School of Mechanical and Electrical Engineering,Qiqihar University,Qiqihar 161006,China;Heilongjiang Province Collaborative Innovation Center for Intelligent Manufacturing Equipment Industrialization,Qiqihar 161006,China)

机构地区：[1]齐齐哈尔大学机电工程学院,黑龙江齐齐哈尔161006 [2]黑龙江省智能制造装备产业化协同创新中心,黑龙江齐齐哈尔161006

出　　处：《高师理科学刊》2023年第2期41-44,共4页Journal of Science of Teachers＇College and University

基　　金：齐齐哈尔大学学位与研究生教育教学改革研究项目(JGXM_QUG_2020010);黑龙江省省属本科高校基本科研业务费专项项目(145109406,135409606)。

摘　　要：树木外部形貌特征与内部缺陷空腐区域三维趋势都是影响树木生长主要因素,并在树木转化为木材时影响开料定位,进而影响木材利用率.利用木材断面几何参数的采样结合雷达波无损扫描确定的内部空腐区域参数,建立树木生长状态三维形貌数字化模型,并根据采样面积与三维建模实体体积的等比换算方法,确定木材截面二维检测参数与空腐缺陷三维形貌参数比例关系.研究结果的核心技术可以用来划分树木生长缺陷的等级,有利于树木无损检测中二维数据向三维空间转换,提高三维建模精度与木材利用率.The three-dimensional trend of the surface morphology and the internal defect area of the tree affect the growth of the tree,the position of the cut material when the tree is transformed into wood,and the utilization ratio of wood.Therefore,the three-dimensional morphology of tree growth state is established by using the parameters of wood cross-sectional geometry and the parameters of internal air decay region determined by radar wave non-destructive scanning,according to the equal conversion method between the sampling area and the volume of the three-dimensional modeling entity,the proportional relationship between the two-dimensional detection parameters of the wood section and the three-dimensional shape parameters of the air rot defect is determined,the core technology of the research results can be used to classify the three-dimensional grades of tree growth defects,which is beneficial to the conversion of two-dimensional data to 3D in non-destructive detection of trees.Improve the accuracy of three-dimensional modeling and wood utilization.

关 键 词：木材开料定位 缺陷区三维建模 二维测量参数 构成比换算 

分 类 号：TP241[自动化与计算机技术—检测技术与自动化装置]