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Self-triggered model predictive control for networked control systems based on first-order hold. (English) Zbl 1390.93297

Summary: In this work, a new self-triggered model predictive control (STMPC) algorithm is proposed for continuous-time networked control systems. Compared with existing STMPC algorithms, the proposed STMPC is implemented based on linear interpolation (first-order hold) rather than the standard zero-order hold, which helps further reduce the difference between the self-triggered control signal and the original time-triggered counterpart and thus reduce the rate of triggering. Based on the first-order hold implementation, a self-triggering condition is derived and the corresponding theoretical properties of the closed-loop system are analyzed. Finally, the comparison between the proposed algorithm and the zero-order hold-based STMPC is carried out through both theoretical analysis and a simulation example to illustrate the effectiveness of the proposed method.

MSC:

93B40 Computational methods in systems theory (MSC2010)
93C15 Control/observation systems governed by ordinary differential equations
93C10 Nonlinear systems in control theory
Full Text: DOI

References:

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