New quasi-regulator solution handles non-smooth, real-world signals
Breakthrough math for controlling linear systems under chaotic, non-periodic inputs.
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Motivated by the prevalence of non-smooth, possibly non-periodic signals in real-world applications, this paper investigates the solvability of the quasi-regulator equations — a prerequisite for output regulation of linear systems subject to such signals. The authors reformulate these equations as differential-algebraic equations and propose a "non-smooth non-resonance condition" that, under specific relative degree requirements, gives a necessary and sufficient characterization of solvability.
- Reformulates quasi-regulator equations as differential-algebraic equations (DAEs) for non-smooth signals.
- Introduces a 'non-smooth non-resonance condition' dependent on the system's relative degree.
- Provides necessary and sufficient solvability criteria, accepted at MTNS 2026 (7 pages).
Why It Matters
Enables control systems to handle real-world chaotic disturbances, improving robotics, automation, and power grid stability.