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Adaptive repetitive control for resonance cancellation of a distributed solar collector field

This paper deals with modelling and control of the outlet temperature in a distributed solar collector field. The resonance dynamics characteristics of this kind of system are similar to those of tubular heat exchangers in the closed‐loop system bandwidth when fast responses are required. Simple low‐order rational models are unable to capture the resonance dynamics, which can be excited by changes in both the heat transfer fluid flow and solar irradiation.