Yuesheng Wang

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The paper focuses on the fault of emulsifier during the production of emulsion explosive as the research object. Aiming at the conventional Back Propagation (BP) neural network has the defects of tardy convergence rate and undesirable optimal ability in vibration fault diagnosis of emulsifier a method of optimizing the BP neural network based on improved(More)
This paper presents a design of 3.1-10.6GHz down-converted mixer for ultra wideband (UWB) system with 0.18im SMIC CMOS technology. The folded structure is adopted to lower voltage, at the same time, the current rescue technique and inductance negative feedback technology is used to trading-off the gain, the noise and the linearity. The good match over the(More)
As the critical equipment to achieve continuous production of emulsion explosive, screw pump was also a major source of faults. Fault tree analysis (FTA) was introduced for the safety diagnosing of screw pump, the problem in front of emulsifier maintenance in the process of screw pump explosive production was solved, and the existing faults in fault tree(More)
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