Abstract
A disturbance auto-rejection control strategy is proposed to realize the high-precision path tracking of large radio telescopes by taking account of the characteristics of nonlinearity, time-varying and disturbances of their fine tuning Stewart platforms, and the readiness of engineering implementation. A disturbance auto-rejection control algorithm and a decentralized control law are developed for this. Experimental results show the feasibility and effectiveness of the presented control strategy and algorithm for high precision path tracking.
| Original language | English |
|---|---|
| Pages (from-to) | 748-751 |
| Number of pages | 4 |
| Journal | Jixie Qiangdu/Journal of Mechanical Strength |
| Volume | 27 |
| Issue number | 6 |
| State | Published - Dec 2005 |
Keywords
- Auto-disturbances rejection controller
- Fine tuning Stewart platform
- Large spherical radio telescope
- Nonlinear system
- Parallel robot
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