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This paper studies the distributed coordinated tracking problem for multiple Euler-Lagrange systems (MELSs) with full-state constraints. Firstly, a distributed finite-time sliding-mode estimator (DFSE) is introduced to access precise estimations of the leader's position and velocity. Then, to guarantee the full-state constraints of MELSs, we use the barrier Lyapunov function (BLF) technique and a...
Unmanned underwater vehicle (UUV) has been applied for civil field all over the world. In technologies of UUV, the underwater recovery technology plays an essential part. And the superior precision control system is necessary for UUV underwater recovery. In this paper, the research background is the mother ship carries UUV recycling in piggyback method. And the important point is the method of dynamic...
In this paper, we explore 6 SPM allocation algorithms to improve performance or energy efficiency for Hybrid SPM-Cache (HSC) architectures, including 4 heuristic-based algorithms and 2 optimal algorithms based on model checking. Our experimental results show that the Greedy Stack Distance based Allocation for Energy (GSDA-E) algorithm can efficiently minimize the energy consumption and achieve near...
In this paper a method is presented for computing the simplest normal form for a vector field associated with the singularity of two non-semisimple double zero eigenvalues. The method developed here uses the lower order nonlinear terms in the normal form for the simplifications of higher order terms. An explicit formulae are derived, which can be used to compute the coefficients of the simplest normal...
The study aims at Supermarket Distribution Problem, a mathematical model is constructed and an ant colony algorithm with tabu search is put forward. The algorithm is tested in combination with Supermarket Distribution Problem. The experimental results indicated that the algorithm solves Supermarket Distribution Problem effectively with quick convergence, avoids local optimum, high precision solution...
In this paper we study rare event simulation for the tail probability of an affine point process (Jt)t??0 that generalizes the Hawkes process. By constructing a suitable exponential martingale, we are able to construct an importance sampling algorithm that is logarithmically efficient in the Gartner-Ellis asymptotic regime.
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