Due to the requirement for long lifetime and high rotating speed,an active magnetic bearing in this paper is designed fo......

Automatic ball balancers (ABB) are applied in the precision devices containing fast-rotating elements, for example CD an......

实际的转子由于力学模型的建立，诸如支承刚度等的确定存在一些困难，因此单纯依据计算或试验难以精确地确定临界转速。本文采用试验－解......