# Passivity-based Control of Surge and Rotating Stall in Axial Flow Compressors

### Gholam-Reza Sari, Ouassima Akhrif, Lahcen Saydy

#### Abstract

In this work, we address the stability of compression systems and the active control of performance limiting phenomena: surge and rotating stall. Despite considerable efforts to stabilize axial compressors at efficient operating points, preventing and suppressing rotating stall and surge are still challenging problems. Due to certain passivity properties of the widely used Moore and Greitzer model for axial compressors, a robust passivity-based control approach is applied here to tackle the problem. The main advantage of this approach is that robust stabilization and high performance control can be achieved by simple control laws and limited control efforts. Analytical developments and time-domain simulations demonstrate that the developed control laws can effectively damp out rotating stall and surge limit cycles by throttle and close-coupled valve actuations. The robust performance of the controller is validated in the presence of bounded mass flow and pressure disturbances, as well as model uncertainties.

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#### Paper Citation

#### in Harvard Style

Sari G., Akhrif O. and Saydy L. (2016). **Passivity-based Control of Surge and Rotating Stall in Axial Flow Compressors** . In *Proceedings of the 13th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO,* ISBN 978-989-758-198-4, pages 75-83. DOI: 10.5220/0005975500750083

#### in Bibtex Style

@conference{icinco16,

author={Gholam-Reza Sari and Ouassima Akhrif and Lahcen Saydy},

title={Passivity-based Control of Surge and Rotating Stall in Axial Flow Compressors},

booktitle={Proceedings of the 13th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO,},

year={2016},

pages={75-83},

publisher={SciTePress},

organization={INSTICC},

doi={10.5220/0005975500750083},

isbn={978-989-758-198-4},

}

#### in EndNote Style

TY - CONF

JO - Proceedings of the 13th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO,

TI - Passivity-based Control of Surge and Rotating Stall in Axial Flow Compressors

SN - 978-989-758-198-4

AU - Sari G.

AU - Akhrif O.

AU - Saydy L.

PY - 2016

SP - 75

EP - 83

DO - 10.5220/0005975500750083