This paper introduces a SF vector control system of a slip frequency controlled induction mo-tor with simple structure,fair performance and convenient operation
This paper is devoted to the application of branch mode method in the critical speed ana-lysis of compound rotating systems, in which the distributed inertia in
The different change tendencies of 2-and 3-dimensional surface roughnesses of 40Cr steel aremeasured and analysed.In 2-dimensional parameters,the data are measu
The authors, first of all, discuss the importance of implementing application layer protocol ofLAN. A study in this area is required in order to speed up its pr