Bibliographic Details
| Title: |
Solutions of a Class of Switch Dynamical Systems. |
| Authors: |
Danca, Marius-F.1 (AUTHOR) |
| Source: |
Entropy. Feb2025, Vol. 27 Issue 2, p158. 13p. |
| Subject Terms: |
*INITIAL value problems, *DISCONTINUOUS functions, *DIFFERENTIAL equations, *NUMERICAL integration, *DYNAMICAL systems |
| Abstract: |
In this paper, the solutions of a class of switch dynamical systems are investigated. The right-hand side of the underlying equations is discontinuous with respect to the state variable. The discontinuity is represented by jump discontinuous functions such as signum or Heaviside functions. In this paper, a novel approach of the solutions of this class of discontinuous equations is presented. The initial value problem is restated as a differential inclusion via Filippov's regularization, after which, via the approximate selection results, the differential inclusion is transformed into a continuous, single-valued differential equation. Besides its existence, a sufficient uniqueness condition, the strengthened one-sided Lipschitz Condition, is also introduced. The important issue of the numerical integration of this class of equations is addressed, emphasizing by examples the errors that could appear if the discontinuity problem is neglected. The example of a mechanical system, a preloaded compliance system, is considered along with other examples. [ABSTRACT FROM AUTHOR] |
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