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Bumpless Transfer Control for State-Dependent Switched Linear Systems with Dwell-Time Constraints
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DOI：10.1109/JAS.2025.125816.png)
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Abstract
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This paper investigates the robust bumpless transfer (BT) control problem for a class of state-dependent switched linear systems. To reduce control bumps in switched systems, a state-dependent switching law with a specified dwell-time constraint is proposed. Combined with BT performance requirements, BT control is designed to incorporate both transition-dependent control and stabilizing control. In contrast to previous interpolation-based BT control design schemes, the proposed structure decouples the controller evaluation period from the dwell-time constraints, thereby enhancing flexibility in BT control design. Through the construction of transition-dependent Lyapunov functions, sufficient conditions are established to guarantee the exponential stability and BT performance for the switched system. The proposed method is extended to disturbed switched systems with a guaranteed <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$\mathcal{L}_{2}$</tex>-gain upper bound. To demonstrate the effectiveness of the proposed BT control strategy, an example featuring an aero-engine model is presented.
Keywords:
Bumpless transfer (BT) control
dwell-time constraint
state-dependent switching
switched systems
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