A novel approach to exact slow-fast decomposition of linear singularly perturbed systems with small delays. (English) Zbl 1362.34116
Summary: A linear time-invariant singularly perturbed system with multiple pointwise and distributed small time delays is considered. A novel (direct) approach to exact slow-fast decomposition of this system is proposed. In contrast with the existing method, this approach uses neither a preliminary transformation of the original differential system to an integral one nor rather complicated integral manifold and operator techniques. Moreover, the approach of the present paper does not assume the exponential stability of the fast subsystem. Based on this decomposition, an exact slow-fast decomposition of the spectrum of a singularly perturbed system with a single pointwise small delay is carried out. Using the theoretical results, the stability of a multilink single-sink optical network is analyzed.
MSC:
| 34K26 | Singular perturbations of functional-differential equations |
| 34K06 | Linear functional-differential equations |
| 34K20 | Stability theory of functional-differential equations |
| 34K25 | Asymptotic theory of functional-differential equations |
Keywords:
singularly perturbed system; time delay system; small delay; exact slow-fast system decomposition; exact slow-fast spectrum decomposition; multilink single-sink optical network; stabilityReferences:
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