This thesis comes from a practical industry task named " the system of on - line monitoring on the chief axis of single - roller crusher in the no . 2 workshop of sinter factory ， wuhan iron and steel group corporation . <中文摘要> =本论文来源于工业实际课题，课题名称为“武钢烧结厂二车间单辊破碎机主轴扭矩在线监测系统” 。
