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Summary form only. Electronic devices are starting to become widely available for monitoring and controlling large-scale distributed systems. These devices may include sensing capabilities for online measurement, actuators for controlling certain variables, microprocessors for processing information and making realtime decisions based on designed algorithms, and telecommunication units for exchanging...
This paper considers the communication network effects in the remote diagnosis of discrete-event systems, where the diagnostic task is decomposed into an on-board and an off-board diagnostic task. The system to be diagnosed and the communication network are modelled by timed automata with discrete inputs and outputs. A novel serial composition operation for timed automata is proposed. For diagnosis,...
This paper considers the fault detection problem of mini-helicopter (Drone) where sensing and actuation signals are exchanged among various parts of the system via communication networks. For reducing the network load and thus minimizing the uncertainty caused by transmission delay or packet dropout, instead of transmitting all measurements of velocity sensors at each sampling time, only one velocity...
In this paper, we first introduce a distributed control strategy for velocity synchronization (or velocity consensus seeking) of multiple heterogeneous Euler-Lagrange (EL) systems with switching communication network topologies. This controller is denoted as the “nominal” controller. To guarantee velocity synchronization for switching communication network topologies we require existence of non-vanishing...
This paper deals with the evaluation of Discrete Control Systems whose implementation is distributed among Programmable Logic Controllers (PLC) and remote Input/Output devices communicating through a Wireless Network. Using wireless communication in these applications, called Wireless Networked Discrete Control System (WNDCS), offers many advantages such as a greater mobility and reduced wiring costs,...
Nowadays, fault diagnosis systems design should have into account the distribution and complexity of the process and must be able to cooperate and communicate with other systems to achieve satisfactory performance. To this end a new agent based fault detection system for networked control process is proposed in this paper. A hybrid architecture based on horizontal layers as fault detection (FD) agents...
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