TY - JOUR ID - TI - REGIONAL GRADIENT DETECTABILITY FOR INFINITE DIMENSIONAL SYSTEMS AU - Raheam A. Al-Saphory PY - 2010 VL - 15 IS - 2 SP - 100 EP - 104 JO - Tikrit Journal of Pure Science مجلة تكريت للعلوم الصرفة SN - 18131662 24151726 AB - In the present paper, we deal with the linear infinite dimensional systems in a Hilbert space, where the dynamics of the system is governed by strongly continuous semi-group. Then, we examine the concept of regional gradient observability in connection with the structures of sensors on time finite horizon. Thus, the aim of this paper is to extend these results to the case of infinite time horizon. We explore the concept of regional gradient detectability in connection with the strategic gradient sensors. Furthermore, we consider two dimensional systems and the specific results related to some applications of sensors structures and G-observer.

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