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A full load range high efficiency DC-DC converter with fast current detection (CD) and frequency adjustment (FA) operation is proposed in this paper. According to the analysis, the losses of DC-DC converter are most related to the switching loss of MOSFET, and the regulation of frequency is the main method to reduce the loss. In order to achieve high efficiency, the oscillator designed has three different...
Event processing is the key part of the middleware of Internet of Things. There are some challenges in complex event processing for event cloud in internet of things, such as heterogeneous, massive data, distributed event processing and the occurrence time of each event is unknown. In order to resolve the challenges, a complex event processing method of internet of things event cloud is proposed in...
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