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A robust PID autotuning method for steam/water loop in large scale ships
Zhao, S.; Ionescu, C.M.; De Keyser, R.; Liu, S. (2018). A robust PID autotuning method for steam/water loop in large scale ships. IFAC-PapersOnLine 51(4): 462-467. https://dx.doi.org/10.1016/j.ifacol.2018.06.138
In: IFAC-PapersOnLine. Elsevier: Germany. ISSN 2405-8963, more
Peer reviewed article  
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Keyword
    Marine/Coastal
Author keywords
    PID autotuner; Steam power plant; Steam/water loop; Multi-input andmulti-output; Modulus margin; Robustness
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Abstract
    During the voyage of the ship, disturbances from the sea dynamics are frequently changing, and the ship's operation mode is also varied. Hence, it is necessary to have a good controller for steam/water loop, as the control task is becoming more challenging in large scale ships. In this paper, a robust proportional-integral-derivative (PID) autotuning method is presented and applied to the steam/water loop based on single sine tests for every sub-loop in the steam/water loop. The controller is obtained during which the user-defined robustness margins are guaranteed. Its performance is compared against other PID autotuners, and results indicate its superiority.
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