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- W4210286352 abstract "Abstract To meet the current and future needs of deep space communication services, some large Deep Space Station antennas had to be built on the existing Deep Space Network sites. The influence of wind disturbance has become a serious problem with the increased size of the antenna. Based on the typical antenna model, a fractional-order controller is designed to improve the pointing accuracy of the antenna in wind disturbance. First, the global stability region of fractional-order proportion integral differential (FOPID) controller for the antenna plant was obtained using the Domain-decomposition (D-decomposition) method, Second, the parameters in the stability region were chosen using a genetic algorithm. Then, the disturbance observer is used to estimate and compensate for the influence of the wind disturbance. Finally, a series of simulations and analyses about this fractional-order control system was conducted, the results show that the fractional-order controller works significantly outperform the traditional proportion integral differential (PID) controller, it achieved a remarkable amelioration in the reduction of overshoot and the capacity of wind disturbance rejection." @default.
- W4210286352 created "2022-02-08" @default.
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- W4210286352 date "2021-11-01" @default.
- W4210286352 modified "2023-10-17" @default.
- W4210286352 title "Design of a Fractional-Order Controller for the Large Deep Space Observatory Antenna in Wind Disturbance" @default.
- W4210286352 doi "https://doi.org/10.1115/imece2021-69730" @default.
- W4210286352 hasPublicationYear "2021" @default.
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