﻿ 木质材料舒适性属性的粗糙集约简与模糊评价
 林业科学  2011, Vol. 47 Issue (8): 127-133 PDF
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#### 文章信息

Chen Guangsheng, Li Guangpeng, Yu Haipeng, Chen Wenshuai

Rough Attribute Reduction with Application to the Fuzzy Evaluation of Comfort Level of Wood-Based Materials

Scientia Silvae Sinicae, 2011, 47(8): 127-133.

### 作者相关文章

Rough Attribute Reduction with Application to the Fuzzy Evaluation of Comfort Level of Wood-Based Materials
Chen Guangsheng, Li Guangpeng, Yu Haipeng , Chen Wenshuai
Key Laboratory of Bio-Based Material Science and Technology of Ministry of Education Northeast Forestry University Harbin 150040
Abstract: Related to the building environmental quality and human health, the materials' comfort attribute and its scientific evaluation has of positive significance. The rough sets fuzzy evaluation method was introduced to evaluate the comfort level of ten kinds of common wood-based materials. First, the primary factor set that affect the comfort of woodbased materials was definited, and then it was minimized to a number of five by using the rough sets Skowron differential matrix. Fuzzy evaluation grade of all materials on comfort were achieved and sorted after the membership function and membership degrees were fixed. Finally, the final results were analyzed and grouped comparison with the radar chart aided. The combination of rough sets and fuzzy method provides a new evaluation method for better choosing and utilizing the wood-based materials according to whose comfort attributes.
Key words: wood-based materials    comfort level    rough sets theory    fuzzy evaluation

1 舒适性的评价因素集与评语集 1.1 评价因素集的确定

 图 1 初选的评价因素集 Figure 1 Primary evaluation factors set

1.2 对象集

1.3 评语集

2 基于粗糙集的木质材料舒适性评价指标约简 2.1 建立最初评价指标信息表

2.2 建立各指标评价标准

2.3 木质材料舒适性评价冗余指标的约简

2.4 各指标权重的确定

2.38。将以上各结果带入计算公式，得u1=0.274，u2=0.132，u6=0.160，u8=0.274，u9=0.160。

3 基于模糊理论的木质材料舒适性综合评价 3.1 确定隶属函数及隶属度

3.2 综合评价

3.3 建立雷达图分析

 图 2 木质材料各项指标雷达图 Figure 2 Radar maps of various woodiness material index
3.4 不同舒适性指标轴方向上的比较分析 3.4.1 视觉舒适性坐标轴x1x2

3.4.2 触觉舒适性坐标轴x3

3.4.3 嗅觉舒适性坐标轴x4

3.4.4 湿度调节舒适性坐标轴x5

3.5 不同木质材料组合的比较分析 3.5.1 实木与实木PU

3.5.2 多层实木地板与强化复合地板

3.5.3 胶合板、饰面刨花板与饰面纤维板

3.5.4 单板层积材和木塑复合材

3.5.5 防火装饰板与饰面刨花板

4 结论

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