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arXiv 2011.04165math.OCmath.AP
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线性反应扩散系统的状态约束能控性

State-constrained controllability of linear reaction-diffusion systems

Pierre Lissy, Clément Moreau

摘要:

研究了一类具有非负约束的线性抛物型方程耦合系统的能控性。我们建立了轨迹大时间可控性的两个结果:一个是对角扩散矩阵具有“近似”非负性约束,另一个是当所有扩散系数相等且耦合矩阵的特征值具有非负实部时,具有“精确”非负性约束的更强结果。证明是基于一个“楼梯”的方法。最后,我们表明,状态约束能控性承认一个积极的最小时间,即使在较弱的单边约束的状态。

英文摘要:

We study the controllability of a coupled system of linear parabolic equations, with non-negativity constraint on the state. We establish two results of controllability to trajectories in large time: one for diagonal diffusion matrices with an "approximate" nonnegativity constraint, and a another stronger one, with "exact" nonnegativity constraint, when all the diffusion coefficients are equal and the eigenvalues of the coupling matrix have nonnegative real part. The proofs are based on a "staircase" method. Finally, we show that state-constrained controllability admits a positive minimal time, even with weaker unilateral constraint on the state.

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