On Assignment of the Upper Bohl Exponent for Linear Time-Invariant Control Systems in a Hilbert Space by State Feedback

Vasilii Zaitsev and Marina Zhuravleva
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Vasilii Zaitsev: Laboratory of Mathematical Control Theory, Udmurt State University, Izhevsk 426034, Russia
Marina Zhuravleva: Laboratory of Mathematical Control Theory, Udmurt State University, Izhevsk 426034, Russia

Mathematics, 2020, vol. 8, issue 6, 1-20

Abstract: We consider a linear continuous-time control system with time-invariant linear bounded operator coefficients in a Hilbert space. The controller in the system has the form of linear state feedback with a time-varying linear bounded gain operator function. We study the problem of arbitrary assignment for the upper Bohl exponent by state feedback control. We prove that if the open-loop system is exactly controllable then one can shift the upper Bohl exponent of the closed-loop system by any pregiven number with respect to the upper Bohl exponent of the free system. This implies arbitrary assignability of the upper Bohl exponent by linear state feedback. Finally, an illustrative example is presented.

Keywords: linear control system; Hilbert space; state feedback control; exact controllability; upper Bohl exponent (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2020
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