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The result purity of traditional LDA (Latent Dirichlet Allocation) is uninterpretable because it is always difficult to summarize the meaning of each LDA result topic which contains multiple irrelevant words. To solve the problem, a method of optimizing LDA result purity based on semantic similarity in streaming news processing is proposed. In this method, the Category Cluster Density (CCD) of each...
The straight-line path following problem of off-axle tractor-trailers is investigated in this work. First, the robust relative degree approach is used to convert the error model to a linear time-varying one approximately, and then three path-following control laws are constructed based on back-stepping and Lyapunov approaches, guaranteeing asymptotic convergence of the tractor-trailer to the desired...
Base on fuzzy decision algorithm, a multi-agents cooperation strategy for the soccer robot is presented to overcome the difficulty in establishing a precise model for the decision-making subsystem of robot in the case, when robot player is in dynamic environment, and the applied condition and computing course are given. The battle formation and the role of each robot can be changed dynamically depending...
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