Journal ArticleDOI
Event-Triggered Composite Control of a Two Time Scale System
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TLDR
The theory of singular perturbation is used to decouple the system into slow and fast subsystems, and stability of the system is established and the proposed control strategy guarantees convergence of system states to an adjustable region around origin excluding the Zeno behavior.Abstract:
This brief proposes an event-triggered composite control of a two time scale system. A periodic sampling requirement is relaxed and both slow and fast states of the system decide independently when transmitting their current measurements based on a time-dependent triggering rule. The distinct feature of this scheme is that it does not require synchronized measurement updates of its slow and fast dynamics. Further, the theory of singular perturbation is used to decouple the system into slow and fast subsystems, and stability of the system is established. The proposed control strategy guarantees convergence of system states to an adjustable region around origin excluding the Zeno behavior. Simulation results manifest the effectiveness of the proposed approach.read more
Citations
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Journal ArticleDOI
Event-Triggered Modified Repetitive Control for Periodic Signal Tracking
TL;DR: A novel event-triggering condition, which takes into account both the current and last periods’ error information, is embedded in a modified repetitive control system to reduce the update frequency of the control input.
Journal ArticleDOI
Switching event-triggered network-synchronization for chaotic systems with different dimensions
Qiaoping Li,Sanyang Liu +1 more
TL;DR: A novel switching event-triggered synchronization scheme is established for chaotic networked control systems with different dimensions and some sufficient synchronization criterions are derived in the form of linear matrix inequalities.
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Dual-Disturbance Observers-Based Control for a Class of Singularly Perturbed Systems
TL;DR: Wang et al. as mentioned in this paper proposed a composite hierarchical anti-disturbance (CHAD) dynamic surface control (DSC) for the fast subsystem considering highly dynamic disturbance, and CHAD proportion-integration (PI) control for the slow subsystem with slow-varying harmonic disturbance.
Journal ArticleDOI
Guaranteed Cost for an Event-Triggered Consensus Strategy for Interconnected Two Time-Scales Systems With Structured Uncertainty.
TL;DR: The design of an event-triggered control strategy for consensus of interconnected two-time scales systems with structured uncertainty is proposed and sufficient conditions for event-triggering consensus with a guaranteed overall cost are provided.
References
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Journal ArticleDOI
Event-Triggered Real-Time Scheduling of Stabilizing Control Tasks
TL;DR: This note investigates a simple event-triggered scheduler based on the paradigm that a real-time scheduler could be regarded as a feedback controller that decides which task is executed at any given instant and shows how it leads to guaranteed performance thus relaxing the more traditional periodic execution requirements.
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Event-based broadcasting for multi-agent average consensus
TL;DR: A novel control strategy for multi-agent coordination with event-based broadcasting is presented, in which each agent decides itself when to transmit its current state to its neighbors and the local control laws are based on these sampled state measurements.
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Brief paper: A state-feedback approach to event-based control
Jan Lunze,Daniel Lehmann +1 more
TL;DR: An upper bound of the difference between both loops is derived, which shows that the approximation of the continuous state-feedback loop by the event-based control loop can be made arbitrarily tight by appropriately choosing the threshold parameter of the event generator.
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Network-Induced Constraints in Networked Control Systems—A Survey
TL;DR: The main methodologies suggested in the literature to cope with typical network-induced constraints, namely time delays, packet losses and disorder, time-varying transmission intervals, competition of multiple nodes accessing networks, and data quantization are surveyed.
Journal ArticleDOI
Analysis of event-driven controllers for linear systems
TL;DR: This paper considers an event-driven control scheme for perturbed linear systems that triggers the control update only when the tracking or stabilization error is large, so that the average processor and/or communication load can be reduced significantly.