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The train operation process is highly nonlinear and has multiple constraints and objectives, which lead to higher requirements for the automatic train operation (ATO) system of high-speed train. In this paper, a hybrid Model Predictive Control (MPC) framework is proposed for the controller design of the ATO system. Firstly, a piecewise linear system with state and input constraints is constructed...
Providing high quality recommendations is significant for e-commerce systems to assist users in making effective selection decisions from a plethora of choices. Collaborative filtering (CF) is one of the most well-known and successful techniques to generate recommendations. However, CF suffers from an inherent issue that does not think over the auxiliary information such as item content information...
Tolerant retrieval and query processing in search engine can enhance the robustness and users feel convenient. Based on the similar comparison between the right terms and terms proposed by users, the proposed approach can not only tolerant misspelling, but also present relevant retrieval advice. If more than two correctly spelled terms are nearly tied, it can also select the one that is more common...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.