Event-triggered feedback control with one-bit transmission
In this report, a proposal of an event-trigger feedback control design for a class of uncertain nonlinear systems is introduced. This type of system is made up of unknown system parameters and mostly nonlinear functions, which can be found in today’s modern physical systems. This report examines...
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| Format: | Final Year Project |
| Language: | English |
| Published: |
2019
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10356/78130 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | In this report, a proposal of an event-trigger feedback control design for a class of
uncertain nonlinear systems is introduced. This type of system is made up of
unknown system parameters and mostly nonlinear functions, which can be found
in today’s modern physical systems. This report examines fundamental theories in
control systems, adaptive control and recursive backstepping control design which
lay the foundations for introducing the 2 strategies for the event-trigger control
design, the fixed threshold and the relative threshold strategy, in which both are
presented with the assumption of input-to-state (ISS) is held. These strategies are
mathematically formed using the adaptive backstepping method and proven using
Lyapunov analyses. Also, this report also introduces an encoder-decoder strategy
where it uses binary (1 or 0) to transmit whether an event is to be triggered and
updated. This strategy is overcome the problem of limited bandwidth constraints.
An implementation of this control scheme is formed through MATLAB/Simulink based simulations. This report also studies the effects of key system parameters
based on these control design strategies and proposes recommendations for system
tuning based on the behavior of the system signals. |
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