Abstract
This paper presents a robust fault identification scheme based on fractional-order integral sliding mode observer (FOISMO) for turbofan engine sensors with uncertainties. The equilibrium manifold expansion (EME) model is introduced due to its simplicity and accuracy for nonlinear system. A fractional-order integral sliding mode observer is designed to reconstruct faults on sensors, in which the fractional-order integral sliding surface guarantees the fast convergence of reconstruction. The observer parameters is selected according to L2 gain theory in order to minimize the effect of uncertainties on the fault reconstruction signal. Simulations in Matlab/Simulink show high reconstruction accuracy of the proposed method despite the present of uncertainties.
Funding statement: This work is supported by the Open Research Project of the State Key Laboratory of Industrial Control Technology, Zhejiang University, China (No. ICT 1800374).
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© 2019 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Original Research Articles
- Robust Fault Identification of Turbofan Engines Sensors Based on Fractional-Order Integral Sliding Mode Observer
- A new compilation method of general standard test load spectrum for aircraft engine
- Numerical Investigation on the Effects of Vortex Generator Locations on Film Cooling Performance
- The Effect of the Circumferential Position of Duct Hole on the Non-uniformity in the Axial Compressor
- Surplus Power Approach to Diagnose Gas Turbine Engine Starting Characteristics
- A Flow Dynamic Characteristic Analysis of A Single Radial Swirler Combustor
- Investigation on the Jet Stiffness Characteristics of a Novel Plasma Igniter
- Investigations of Combustor Inlet Swirl on the Liner Wall Temperature in an Aero Engine Combustor
- Multidisciplinary Design Optimization of the Composite Cooling Structure for Nickel-based Alloy Turbine Blade
- Experimental Study of Non-Premixed Flames of Liquefied Petroleum Gas and Air in Cross-Flow and the Effects of Fuel Properties on Flame Stability
Artikel in diesem Heft
- Frontmatter
- Original Research Articles
- Robust Fault Identification of Turbofan Engines Sensors Based on Fractional-Order Integral Sliding Mode Observer
- A new compilation method of general standard test load spectrum for aircraft engine
- Numerical Investigation on the Effects of Vortex Generator Locations on Film Cooling Performance
- The Effect of the Circumferential Position of Duct Hole on the Non-uniformity in the Axial Compressor
- Surplus Power Approach to Diagnose Gas Turbine Engine Starting Characteristics
- A Flow Dynamic Characteristic Analysis of A Single Radial Swirler Combustor
- Investigation on the Jet Stiffness Characteristics of a Novel Plasma Igniter
- Investigations of Combustor Inlet Swirl on the Liner Wall Temperature in an Aero Engine Combustor
- Multidisciplinary Design Optimization of the Composite Cooling Structure for Nickel-based Alloy Turbine Blade
- Experimental Study of Non-Premixed Flames of Liquefied Petroleum Gas and Air in Cross-Flow and the Effects of Fuel Properties on Flame Stability