Control Systems for Nuclear Power Plant Operations
Summary
Control systems in nuclear power plant operations integrate sensors, actuators and algorithms to manage reactor physics, thermal hydraulics and electrical interfaces. They ensure safe start-up, steady-state power generation, load-following and rapid response to disturbances, all while maintaining stringent safety margins. Modern architectures combine traditional proportional–integral–derivative loops with model-based schemes, digital twins and artificial-intelligence methods to enhance reliability, robustness and flexibility. Special attention centres on automated fault diagnostics, adaptive parameter tuning and cyber-secure communications. Advances in small modular reactors and grid services further drive the need for intelligent, scalable control solutions that support decarbonisation and resilient electricity systems.
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Control Systems for Nuclear Power Plant Operations publication trend
The graph below shows the total number of articles in control systems for nuclear power plant operations across all publications each year (not limited to Nature Index journals).
Technical terms
Model Predictive Control (MPC): An advanced strategy that uses a dynamic model to predict future plant behaviour and compute control actions by optimisation over a moving time horizon.
Feedback Linearisation: A nonlinear control technique that algebraically cancels system nonlinearities through state transformations and control input design, yielding linear closed-loop dynamics.
Simultaneous Perturbation Stochastic Approximation (SPSA): An efficient optimisation algorithm that estimates performance gradients via random perturbations of all parameters simultaneously, enabling rapid tuning in high-dimensional settings.
References
- Nonlinear Model Predictive Control Using Feedback Linearization for a Pressurized Water Nuclear Power Plant. IEEE Access (2022).
- Review on the Recent Progress in Nuclear Plant Dynamical Modeling and Control. Energies (2023).
- IK-SPSA-Based Performance Optimization Strategy for Steam Generator Level Control System of Nuclear Power Plant. Energies (2022).
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