Suboptimal distributed control and estimation: application to a four coupled tanks system

Luis Orihuela, Pablo Millán, Carlos Vivas and Francisco R. Rubio

International Journal of Systems Science, 2016, vol. 47, issue 8, 1755-1771

Abstract: The paper proposes an innovative estimation and control scheme that enables the distributed monitoring and control of large-scale processes. The proposed approach considers a discrete linear time-invariant process controlled by a network of agents that may both collect information about the evolution of the plant and apply control actions to drive its behaviour. The problem makes full sense when local observability/controllability is not assumed and the communication between agents can be exploited to reach system-wide goals. Additionally, to reduce agents bandwidth requirements and power consumption, an event-based communication policy is studied. The design procedure guarantees system stability, allowing the designer to trade-off performance, control effort and communication requirements. The obtained controllers and observers are implemented in a fully distributed fashion. To illustrate the performance of the proposed technique, experimental results on a quadruple-tank process are provided.

Date: 2016
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DOI: 10.1080/00207721.2014.951419

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