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An Air Bearing Strip Flatness Detector (ABSFD) , manufactured in China, was adapted to measure the strip flatness in cold rolling mills on-line. This paper presents how it works, static and dynamic characteristics, part edge strip cover roller and its transient response. It has been successfully serviced on line of 1400 aluminum foil cold rolling mill for six years, which the rolling speed is up to...
The actual bridge structures are not situated in the vacuum environment, so the dynamical behavior of the bridge structure will be affected with the geometrical deformations and the mass distributions due to the variation of the ambient medium, especially along the augment of bridge span. Taking into the effect of the static wind, temperature and deep water account synthetically, this paper analyzes...
Based on the analysis of blasting smog-dust source and its Characters, the Movement of blasting smog and dust is discussed. The concept of particle system is developed. Further more, the blasting smog-dust movement and the plume diffusion in atmosphere was profound explored. Finally, the real-time simulation of Movement of Smog-Dust generated by blasting is implemented and generated a program named...
Two photonic crystal rings of hexagonal lattice are lying transversely and longitudinally in silicon micro-cantilever at the junction of the microcantilever and the substrate. This unique dual nano-ring (DNR) resonator demonstrates channel drop filter characteristics. When DNR is used as sensing element of a microcantilever sensor, the wavelength shift of resonant peak measured at the backward drop...
Snakes, or active contours, are one of the major paradigms in image segmentation and they are extensively applied for the processing of the biomedical images. With the vector field convolution (VFC) as external force, they have a larger capture range and the ability to progress into concave boundaries. However, when we have to deal with highly non-convex shapes, the VFC field forms an area where the...
Thrust ripple, determined by the magnetic field, is a significant factor to affect the performance of linear motor system. This paper evaluates the effect of the two magnet shapes, rectangle shape and Halbach array, for the flat short secondary type permanent magnet linear synchronous motor (PMLSM). A novel design that makes the PM into a curved shape is presented. Then, each shape analysis is fulfilled...
Discontinuous primary permanent magnet linear synchronous motor (DPPMLSM) has many merits in long-stroke transportation, including vertical, horizontal, and slanted model system, however, detent force of DPMLSM is particularly troublesome requiring positioning accuracy specially at low speed region as well as of position control and is different from short primary type and short secondary type PMLSM...
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