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The self-regulating and self-stabilizing natures of a Pressurized Water Reactor (PWR) make it most suitable for the nuclear power industry. However, handling the disturbance and stabilizing a PWR with the disturbance are highly challenging tasks for control engineers due to inherent nonlinearity in a reactor. It leads to a change in the behaviour with variation in reactor power. Further, plenty of uncertainties exist in a PWR due to the heat transfer from fuel to coolant and the reactivity changes due to variation in fuel and coolant temperatures. Thus, it is essential to design a robust controller which can stabilize the system in the presence of uncertainties and disturbances as well. In this paper, a state-space model has been considered using the point kinetics equations of PWR coupled with Mann’s thermal-hydraulic equations. The system matrices have been evaluated at different power levels with uncertainty in parameters to produce an interval state-space model. An H-infinity based Full State Feedback Controller (SFSC) has been designed for this interval plant and then used for establishing a stability criterion in the presence of disturbances. The outcomes have been validated using MATLAB simulations and discreetly exemplified in the result section.
|Title of host publication||2020 13th International Conference on Developments in eSystems Engineering (DeSE)|
|Publisher||Institute of Electrical and Electronics Engineers|
|Number of pages||6|
|Publication status||Published - 14 Jun 2021|
|Event||13th International Conference on Developments in eSystems Engineering - England, United Kingdom|
Duration: 13 Dec 2020 → 17 Dec 2020
|Name||2020 13th International Conference on Developments in eSystems Engineering (DeSE)|
|Conference||13th International Conference on Developments in eSystems Engineering|
|Period||13/12/20 → 17/12/20|
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