Results 1 to 10 of about 97 (83)
Single Neural Adaptive PID Control for Small UAV Micro-Turbojet Engine [PDF]
Sensors, 2020 The micro-turbojet engine (MTE) is especially suitable for unmanned aerial vehicles (UAVs). Because the rotor speed is proportional to the thrust force, the accurate speed tracking control is indispensable for MTE.
Wei Tang +3 more
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Energy Reports, 2022 This study presents a comprehensive investigation of the emission impact, environmental damage cost, exergoenvironmental and life cycle assessment (LCA) analyses of a micro turbojet engine (m-TJE) utilized on Unmanned Air Vehicle (UAV) for four different
Ozgur Balli +3 more
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Impact of Using Chevrons Nozzle on the Acoustics and Performances of a Micro Turbojet Engine
Applied Sciences, 2021 This paper presents a study regarding the noise reduction of the turbojet engine, in particular the jet noise of a micro turbojet engine. The results of the measurement campaign are presented followed by a performances analysis which is based on the ...
Grigore Cican +2 more
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Sliding Mode Control for Micro Turbojet Engine Using Turbofan Power Ratio as Control Law
Energies, 2020 The interest in turbojet engines was emerging in the past years due to their simplicity. The purpose of this article is to investigate sliding mode control (SMC) for a micro turbojet engine based on an unconventional compound thermodynamic parameter ...
Khaoula Derbel, Károly Beneda
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Aerospace, 2023 This paper explores the implementation of an ejector to a micro turbojet engine and analysis of the advantages in terms of acoustic and thrust/fuel consumption.
Grigore Cican +3 more
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Eddy Current Sensor System for Blade Tip Clearance Measurement Based on a Speed Adjustment Model [PDF]
Sensors, 2019 Blade tip clearance (BTC) measurement and active clearance control (ACC) are becoming crucial technologies in aero-engine health monitoring so as to improve the efficiency and reliability as well as to ensure timely maintenance. Eddy current sensor (ECS)
Jiang Wu +6 more
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AerospaceIncreasing aviation activities have heightened concerns about particulate emissions from aircraft engines. Current ICAO standards mainly focus on large civil turbofan engines, leaving a gap in the research on PN emissions from small aircraft engines ...
Zheng Xu +8 more
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A denoising method for aeroengine gas path electrostatic signal of low signal-to-noise ratio based on IMFs optimized reconstruction and wavelet threshold [PDF]
Scientific ReportsElectrostatic monitoring technology for aero-engines has demonstrated considerable capability in early fault warning. However, raw electrostatic signals often contain significant noise and exhibit low signal-to-noise ratios, making denoising essential to
Chaoying Yan, Yan Liu, Feng Lu
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AutomatikaAt present, the controllable parameters of micro turbojet engines in engineering applications are mainly speed-fuel flow (hereinafter referred to as flow) control, in which closed-loop proportional–integral–derivative (PID) control is mostly used to ...
Q. Gao, Jiahao Li, Yuxin Zhang
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Micro turbojet engine nozzle ejector impact on the performance and transient regimes analysis
Case Studies in Thermal EngineeringThis study investigates the influence of an ejector nozzle on the performance and transient behavior of a micro turbojet engine. The problem addressed is the improvement of thrust and fuel efficiency in micro propulsion systems and offering new insights ...
Valentin Silivestru +4 more
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