中文说明：针对故障诊断过程中冗余征兆问题，利用遗传算法的全局搜索能力，结合粗糙集知识编写了属性约简程序，并在matlab的环境下运行，可获得多种最小约简方案，领域专家可根据测量的难度和代价选择最小约简，删除冗余征兆，提取规则。
English Description：
Fault diagnosis of redundant sign problems, using global search capability, knowledge based on rough set attribute reduction program was prepared and run in MATLAB can be obtained a variety of minimum reduction programme, experts in the field can be selected according to the difficulty and cost of minimal reduction, deleting redundant signs an extraction rule.