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Development process of aircraft turbine engine control systems [PDF]

فناوری در مهندسی هوافضا, 2022
The performance of the propulsion system and the engine, known as the heart of the aircraft, is highly dependent on subsystems, such as the engine control subsystem.Today, most modern military and civil aircraft use turbine engines to generate thrust ...
Hojat Taie, Reza Gholamian, sepideh Ayati   +2 more
doaj   +1 more source

Combustion and Emission Characteristics According to the Fuel Injection Ratio of an Ultra-Lean LPG Direct Injection Engine

Energies, 2016
The effect of the fuel injection ratio on the combustion and emission characteristics of stratified lean mixture combustion was investigated for a spray-guided liquefied petroleum gas (LPG) direct injection engine.
Cheolwoong Park, Taeyoung Kim, Gyubaek Cho, Janghee Lee   +3 more
doaj   +1 more source

Reduced integral scheme of damaged divided back stress elasto plastic model based on full implicit algorithm

Nihon Kikai Gakkai ronbunshu, 2015
The purpose of this study is formulating the reduced integration method of damage elasto plastic constitutive model with divided back stress based on full implicit framework.
Shogo SANNOMARU, Shigenobu OKAZAWA, Satoyuki TANAKA   +2 more
doaj   +1 more source

Estimation of Combustion Parameters from Engine Vibrations Based on Discrete Wavelet Transform and Gradient Boosting

Sensors, 2022
An optimal control of the combustion process of an engine ensures lower emissions and fuel consumption plus high efficiencies. Combustion parameters such as the peak firing pressure (PFP) and the crank angle (CA) corresponding to 50% of mass fraction ...
Achilles Kefalas, Andreas B. Ofner, Gerhard Pirker, Stefan Posch, Bernhard C. Geiger, Andreas Wimmer   +5 more
doaj   +1 more source

Retraction Notice: The Effect of Break Edge Configuration on the Aerodynamics of Anti-Ice Jet Flow [PDF]

EPJ Web of Conferences, 2015
This article has been retracted because the authors have plagiarized part of a confidential report entitled “Ön Yatak Taşıyıcı Parça Üzerindeki Palelerden Tahliye Olan Havanın Yüzeye Etkisinin Araştırılması” by Bedii Ozdemir and Yasar Multu.
Tatar V., Yildizay H., Aras H.
doaj   +1 more source

Acute dermal toxicity study of new, used and laboratory aged aircraft engine oils

Toxicology Reports, 2019
There is little data available on toxicity levels of used aircraft engine oils relative to their unused (new) versions. This study was conducted to determine if new engine oils and their used versions have the potential to induce dermal irritation ...
Isaie Sibomana, Neal A. Good, Patrick T. Hellman, Lewis Rosado, David R. Mattie   +4 more
doaj   +1 more source

A Hierarchical Robust Control Design With Non-Parallel Distributed Compensator and Application to Aircraft Engines

IEEE Access, 2019
This paper proposes a hierarchical multivariable robust control design for a class of uncertain nonlinear dynamic system. The dynamic system is described by an uncertain T-S fuzzy model.
Muxuan Pan, Hao Wang, Binbin Gu, Xiaojie Qiu, Ye-Hwa Chen   +4 more
doaj   +1 more source

A Digital-Model-Based Approach for Defining HIRF Immunity Design Requirements of Commercial Aircraft Engine Control Systems

IEEE Access
Commercial aircraft engine control systems must be immune to high-intensity radiated field (HIRF) effects to operate reliably and function stably under electromagnetic (EM) disturbances. However, there is a lack of effective methods to clearly define the
Bowen Wang, Shuyan Zhang, Zhe Zhang
doaj   +1 more source

Reaction Force Analysis for Obstacle-Aided Locomotion of Snake Robot Using Piecewise Helixes

IEEE Access, 2023
Snake robots can use numerous joints to move in various manners. One of them is the obstacle-aided locomotion, a method in which a robot moves by pushing obstacles.
Takuro Takanashi, Mizuki Nakajima, Tatsuya Takemori, Motoyasu Tanaka   +3 more
doaj   +1 more source

Evaluating Aero-Engine Cable Harness Shielding Effectiveness Against Electromagnetic Noise Using Integrated Digital Models

IEEE Access
Aero-engine control systems need to be immune to electromagnetic (EM) noise and function reliably in EM environments during the entire flight to guarantee flight safety.
Bowen Wang, Shuyan Zhang, Zhe Zhang
doaj   +1 more source