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Minimal Time of Null Controllability for the 1D Heat Equation by a Strategic Zone Profile

DOI: 10.4236/jamp.2021.97113, PP. 1707-1717

Keywords: Control, Null Controllability, Moment Methods, Estimations, Strategic Actuator

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Abstract:

The aim of this work is to improve the minimum time of null controllability of the 1D heat equation by using the notion of strategic zone actuators. In fact, motivated by the work of Khodja on the null controllability of the heat equation and of El Jai on the controllability by the use of strategic zone actuators, we managed, in this work, to improve the minimal time of null controllability to the 1D heat equation. However, the restrictions and difficulties to establish the inequality of coercivity of the parabolic operator, require to seek other methods of internal control. Thus in this paper, a mixed method combining the method of moments and the notion of strategic profile was used to find a better minimal time of null controllability of the 1D heat equation.

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