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High speed machines have received much attention recently. However, unbalanced magnetic force (UMF) may occur in some slot/pole number combinations even there is no rotor eccentricity, which can cause high vibration and noise. In order to reduce the rated on-load UMF, three 3-slot/2-pole permanent magnet (PM) machines with different auxiliary slots are investigated and compared in this paper. In the...
Interval data is often met with in the real world. Fuzzy c-means for interval dataset (IFCM), an effective tool for clustering small or moderate scale interval dataset, can not deal with large scale interval dataset. This paper presents a new clustering method for this problem. The new method introduces collaborative mechanism into the IFCM to raise the efficiency. In other words, this method implements...
A “nuclear power plant robot” is introduced in this paper. It is developed by Shanghai University. Boss is chosen for testing obstacle surmounting capability of tracked mobile robot with 6-DOF. There are two swinging arms in the front of the robot and two in the rear, they can swing synchronously, respectively. The movement posture during the boss-climbing are discussed. As the poses of the arms change,...
Many mobile robots especially tracked robots have been developed and used in disaster sites, however, few robots can really work in a nuclear accident. This paper presents a procedure of making a robot for nuclear accidents. Concepts and calculations before designing the robot are introduced, then Autodesk Inventor is used for designing the 3D model, Recurdyn is used for the dynamic simulation. After...
In order to improve the developing efficiency of P2P application and to reduce the developing costs, this paper, presents the concept of P2P service middleware, and constructs P2P intelligent overlay middleware model which separates the basic P2P service from the special function of Internet application and encapsulates to independent middleware to support different P2P servers. The model, 1) by utilizing...
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