Abstract
Focus on a turbo-engine, the significant shortcomings of H∞,H∞/H2 and μ control are given. A new design method of fixed order mixed μ controller for turbofan engine is presented. Fixed order H∞/H2 controller is designed by the use of a canonical controller construction form. Existent necessary conditions for an optimal fixed order H∞/H2 controller are derived. The Homotopy algorithm is used to obtain the solution of an optimal fixed order H∞/H2 controller. A different control strategy of obtaining fixed order mixed μ controller is proposed that fixed order H∞/H2 controller incorporated into a mixed μ synthesis procedure. Comparison with a full order design, fixed order mixed μ controller reduces controller complexity and achieves robust performance levels similar to full order design. The approach proposed is applied to turbo-engine fixed-order mixed μ controller design. The simulation results show that the robustness of controlled system performance is satisfied.
| Original language | English |
|---|---|
| Pages (from-to) | 50-53 |
| Number of pages | 4 |
| Journal | Tuijin Jishu/Journal of Propulsion Technology |
| Volume | 26 |
| Issue number | 1 |
| State | Published - Feb 2005 |
Keywords
- Aircraft engine
- Homotopy algorithm
- Robust control
- Simulation test