Journal
INTERNATIONAL JOURNAL OF DYNAMICS AND CONTROL
Volume 10, Issue 6, Pages 2111-2123Publisher
SPRINGERNATURE
DOI: 10.1007/s40435-022-00926-4
Keywords
Vibration suppression; Typical piping system of nuclear power plant; Sparrow search algorithm (SSA); Fractional PI control
Funding
- Science and Technology on Reactor System Design Technology Laboratory [HT-KFKT-02-2019010]
- Basic Scientific Research Project of Higher Education Institutions of Education Department of Liaoning Province [LJKZ0245]
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An active control method based on fractional PI is studied for reducing vibration in a nuclear power plant's pipeline system. Mathematical models are established, and fractional-order PI controllers are designed for active control of vibration. The sparrow search algorithm is applied to tune the controller parameters, resulting in improved vibration suppression compared to integer-order PI controllers.
An active control method based on fractional PI is studied to reduce the vibration of the typical pipeline system of a nuclear power plant. The mathematical model of the typical piping system of the nuclear power plant is established, and the fractional-order PI output feedback controller and the fractional-order PI state feedback controller are designed to realize the active control of vibration. In view of the large number of parameters of high-dimensional fractional PI controllers and the difficulty of tuning, the sparrow search algorithm (SSA) is adopted, and the quadratic function of the system is used as the objective function to realize the tuning of the controller parameters. The fractional-order PI controller optimized based on the SSA and the integer-order PI controller are compared for experiments. The results show that the fractional-order PI controller has a better suppression effect on the vibration of the typical piping system of nuclear power plants.
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