Yanchao Sun

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This paper presents a distributed leader-following control approach for a group of uncertain Euler-Lagrange systems in the absence of the neighbors' velocity information under an undirected communication graph. We study the dynamic leader case. The Euler-Lagrange systems' unknown dynamics and external disturbances are compensated by the function(More)
In this paper, a kind of reference trajectory of line-of-sight (LOS) angle based on the optimal control theory is given. Then, the corresponding nonlinear generalized predictive control law is designed to make the missile's actual LOS angle track the reference LOS angle. Simulation results show that the proposed nonlinear generalized predictive control law(More)
Recently, diffusion history inference has become an emerging research topic due to its great benefits for various applications, whose purpose is to reconstruct the missing histories of information diffusion traces according to incomplete observations. The existing methods, however, often focus only on single information diffusion trace, while in a realworld(More)
The objective of this study was to investigate the effects of long-term mental abacus calculation training (MACT) on children's spatial attention orientation. Fifteen children with intensive MACT (MACT group) and 15 children without MACT (non-MACT group) were selected. The two groups of children were matched in age, sex, handedness, and academic grade. The(More)
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