Control of Switched Nonlinear Systems in -Normal Form Using Multiple Lyapunov Functions

L Long, J Zhao - IEEE Transactions on Automatic Control, 2012 - ieeexplore.ieee.org
IEEE Transactions on Automatic Control, 2012ieeexplore.ieee.org
The problem of H∞ control of switched nonlinear systems in p-normal form is investigated in
this technical note where the solvability of the H∞ control problem for individual subsystems
is unnecessary. Using the generalized multiple Lyapunov functions method and the adding
a power integrator technique, we design a switching law and construct continuous state
feedback controllers of subsystems explicitly by a recursive design algorithm to produce
global asymptotical stability and a prescribed H∞ performance level. Multiple Lyapunov …
The problem of H control of switched nonlinear systems in p -normal form is investigated in this technical note where the solvability of the H control problem for individual subsystems is unnecessary. Using the generalized multiple Lyapunov functions method and the adding a power integrator technique, we design a switching law and construct continuous state feedback controllers of subsystems explicitly by a recursive design algorithm to produce global asymptotical stability and a prescribed H performance level. Multiple Lyapunov functions are exploited to reduce the conservativeness caused by adoption of a common Lyapunov function for all subsystems, which is usually required when applying the backstepping-like recursive design scheme. An example is provided to demonstrate the effectiveness of the proposed design method.
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