Compressor Instability Active Control via Closed-Coupled Valve and Throttle Actuators
-
Hanlin Sheng
and
Xianghua Huang
Abstract
Active control techniques are widely researched to expand the stable operating range of axial flow compressors in aero-engines. First, an active controller using closed-coupled valve as actuator has been analyzed using numerical simulation. Analysis results showed that the stability of the controller is affected by system states under large B-parameter of compression system and need a larger control gain besides. Second, using closed-coupled valve and throttle as actuators simultaneously, a novel active control strategy has been proposed. Throttle feedback control is used to decrease the nominal B-parameter of compression system to improve control performance of closed-coupled valve controller. Lastly, numerical simulation has been carried out to evaluate the proposed control strategy. Simulation results showed that the novel controller extends the stable operation range of compression system greatly.
Funding statement: Funding: This work was supported by National Natural Science Foundation of China (No. 51176075, No. 61104067), Funding of Jiangsu Innovation Program for Graduate Education (No. CXZZ13_0176).
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Articles in the same Issue
- Frontmatter
- Numerical Modeling of Unsteady Oil Film Motion Characteristics in Bearing Chambers
- Frequency Domain Identification of Multivariable Model for Aero-Engine using an Improved Maximum Likelihood Method
- Compressor Instability Active Control via Closed-Coupled Valve and Throttle Actuators
- Tab Aspect Ratio Effect on Supersonic Jet Mixing
- The Rotating Cavitation Performance of a Centrifugal Pump with a Splitter-Bladed Inducer under Different Rotational Speed
- Global Needs for Jet-Engine-Steered (JES) Strike Drones vs. Lack of Updated Textbooks to Design 6th Generation UCLASS Due to UCAV Failure
- Lightweight Magnesium Bipolar Plates of Direct NaBH4/H2O2 Fuel Cell for AIP Application
- Multidisciplinary Design Exploration for Sounding Launch Vehicle using Hybrid Rocket Engine in View of Ballistic Performance
