1,498 research outputs found
A Control-Oriented Notion of Finite State Approximation
We consider the problem of approximating discrete-time plants with
finite-valued sensors and actu- ators by deterministic finite memory systems
for the purpose of certified-by-design controller synthesis. Building on ideas
from robust control, we propose a control-oriented notion of finite state
approximation for these systems, demonstrate its relevance to the control
synthesis problem, and discuss its key features.Comment: IEEE Transactions on Automatic Control, to appea
Finite Alphabet Control of Logistic Networks with Discrete Uncertainty
We consider logistic networks in which the control and disturbance inputs
take values in finite sets. We derive a necessary and sufficient condition for
the existence of robustly control invariant (hyperbox) sets. We show that a
stronger version of this condition is sufficient to guarantee robust global
attractivity, and we construct a counterexample demonstrating that it is not
necessary. Being constructive, our proofs of sufficiency allow us to extract
the corresponding robust control laws and to establish the invariance of
certain sets. Finally, we highlight parallels between our results and existing
results in the literature, and we conclude our study with two simple
illustrative examples
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