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The intermittency of solar photovoltaic (PV) power generation causes problems to the grid, especially for the islands or weak grids. The utilities have imposed ramp limitations in some countries or regions, such as Germany, Puerto Rico, Ireland, Hawaii, etc. There are three ways to achieve power ramp-rate control (PRRC), one is by using energy storage system (ESS), the second is active power curtailment,...
In a city, protecting units like police cars move around and protect places such as banks and residential buildings. Different places may have different requirements in how many protecting units should be nearby. If any place has less protecting units around than it requires, it is an unsafe place. This paper studies the Continuous Top-k Unsafe Places (CTUP) query, which continuously monitors the...
The motion quality of the shell rowing athletes has a heavy effect on the competitive scores. According to the features of the sequential images of the shell rowing, a fast matching algorithm for automatic tracking the athletic joints is realized. This approach is on the basis of the linear model proposed by Saul Moskowitz and the Sequential Similar Detective Algorithm (SSDA) proposed by Barnea and...
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