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Networked State Estimation Over a Shared Communication Medium
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DOI：10.1109/TAC.2016.2593645.png)
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摘要
En 中文
We consider state estimation for multiple plants across a shared communication network. Each linear time-invariant plant transmits information through the common network according to either a time-triggered or an event-triggered rule. For an event-triggered algorithm with carrier sense multiple access (CSMA), each plant is assumed to access the network based on a priority mechanism. For a time-triggered algorithm combined with time division multiple access (TDMA), each plant uses the network according to a schedule that is decided a priori. Performance in terms of the communication frequency and the estimation error covariance is analytically characterized for event-triggered schemes. Using these characterizations, we show that event-triggered schemes may perform worse than time-triggered schemes when the effect of the communication network is explicitly considered.
Keyword:
Discrete-time systems
event-triggered method
Markov processes
multiple-access
networked control systems
performance evaluation
state estimation
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期刊
IF:
7
论文数:
1.3W
被引数:
6.7W
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