Abstract
The nonlinear friction, unmodeled disturbance and coupling torque caused by the movement of satellite are the main factors limiting the angular speed accuracy in gimbal system of the single gimbal control moment gyro (SGCMG). Consequently, a high-precision servo control system based on the nonlinear cascade extended state observer (NCESO) is established in this paper in order to reduce the influence of those disturbances and improve the output angular velocity accuracy of the gimbal system. The simulation results confirmed the feasibility and effectiveness of the proposed method.
| Original language | English |
|---|---|
| Article number | 042081 |
| Journal | IOP Conference Series: Earth and Environmental Science |
| Volume | 252 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 9 Jul 2019 |
| Externally published | Yes |
| Event | 2018 4th International Conference on Environmental Science and Material Application, ESMA 2018 - Xi'an, China Duration: 15 Dec 2018 → 16 Dec 2018 |
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