Abstract
In order to improve the dynamic response bandwidth of three-stage electro-hydraulic servo valve, a new method, speed-feedback control is presented in this paper. The construction and principle of three-stage electrohydraulic servo valve are explained, and the mathematical model of three-stage electro-hydraulic servo valve is built in frequency domain. Experimental and simulation results show that the bandwidth compared with proportional control is improved under speed-feedback control. Moreover, the research results play an important role in developing high performance three-stage electro-hydraulic servo valve.
| Original language | English |
|---|---|
| Pages (from-to) | 494-498 |
| Number of pages | 5 |
| Journal | Journal of Donghua University (English Edition) |
| Volume | 26 |
| Issue number | 5 |
| State | Published - Oct 2009 |
| Externally published | Yes |
Keywords
- Band-width
- Construction
- Experimental test
- Model
- Principle
- Simulation
- Speed-feedback
- Three-stage electro-hydraulic servo valve
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