Aircraft Engineering and Aerospace Technology: Volume 92 Issue 8

Numerical and experimental study of the laminar separation bubble over SS007 airfoil for micro aerial vehicles

Somashekar V., Immanuel Selwyn Raj A.

This paper aims to deal with the numerical investigation of laminar separation bubble (LSB) characteristics (length and height of the bubble) of SS007 airfoil at the chord…

Improvement of the thrust-torque ratio of an unmanned helicopter by using the ABC algorithm

Mehmet Konar, Aydin Turkmen, Tugrul Oktay

The purpose of this paper is to use an ABC algorithm to improve the thrust–torque ratio of a rotating-wing unmanned aerial vehicle (UAV) model.

Reliability-based optimized design of hybrid tether

Anil Kumar Agrawal, Mahendra Pratap, Subhash Chandra Sati, Rajeev Kumar Upadhyay

The purpose of this paper is to optimize the design of a hybrid tether using probabilistic approach considering inherent random variation in the stress developed and the strength…

A novel method of multiple adaptive notch filtering for flexible missile vibration suppression

Gong Chen, Shaojie Liu, Zhigong Tang, Jiangtao Xu, Wenzheng Wang

The modern missile has low uncertain and wide range vibration frequency. The conventional notch filter with the fixed notch frequency is less effective than that of the adaptive…

Improved fault diagnosis for aircraft flap control system based on bond graph

Jie Chen, Zhengdong Jing, Chentao Wu, Senyao Chen, Liye Cheng

This paper aims to improve the fault detection adaptive threshold of aircraft flap control system to make the system fault diagnosis more accurate.

Rake impact on turboshaft compressors, a numerical study

Valeriu Dragan, Oana Dumitrescu, Ion Malael, Adrian Daniel Azoitei

Turboshaft engines usually include one centrifugal compressor due to its high-pressure ratio, stability and compactness. Many designers rely on positive raking to decrease tip gap…

A neural network model for UAV propulsion system

Gültekin Işık, Selçuk Ekici, Gökhan Şahin

Determining the performance parameters of the propulsion systems of the aircraft, which is the key product of the aviation industry, plays a critical role in reducing adverse…

Multi-objective recognition based on deep learning

Xin Liu, Junhui Wu, Yiyun Man, Xibao Xu, Jifeng Guo

With the continuous development of aerospace technology, space exploration missions have been increasing year by year, and higher requirements have been placed on the upper level…

A review and historical development of analytical techniques to predict aircraft spin and recovery characteristics

Bilal Malik, Jehanzeb Masud, Suhail Akhtar

This paper aims to present a literature review on analytical research on the prediction of aircraft spin and recovery characteristics, as it progressed from the early years of…

Vibration and fatigue life of an arresting cable under impact landing loads

Andrés Egido Fernández, Pablo García-Fogeda Nuñez, Félix Arévalo Lozano

This paper aims to investigate the fatigue life and dynamic loads of an arresting cable when a landing aircraft passes through a runway.

Unmanned aircraft automatic flight control algorithm in a spin maneuver

Tomasz Rogalski, Paweł Rzucidło, Jacek Prusik

The paper aims to present an idea of automatic control algorithms dedicated to both small manned and unmanned aircraft, capable to perform spin maneuver automatically. This is a…

Equitable optimized airspace sectorization based on constraint programming and OWA aggregation

Abdessamed Mogtit, Noureddine Aribi, Yahia Lebbah, Mohand Lagha

Airspace sectorization is an important task, which has a significant impact in the everyday work of air control services. Especially in recent years, because of the constant…

Crash simulation of fuselage section in the rebound process and the secondary-impact process

Zibo Jin, Daochun Li, Jinwu Xiang

This paper aims to investigate the rebound process and the secondary-impact process of the fuselage section that occurs in the actual crash events.

Development of a new system for reducing the temperature increase during the positioning of spoilers using pneumatic artificial muscle (PAM)

Mustafa Soylak, Mustafa Bakır

The usage of pneumatic artificial muscles (PAMs) is becoming increasingly widespread across a variety of industries because of its advantages such as its lightness and its ability…

Robust output feedback control of fixed-wing aircraft

Abid Raza, Fahad Mumtaz Malik, Rameez Khan, Naveed Mazhar, Hameed Ullah

This paper aims to devise a robust controller for the non-linear aircraft model using output feedback control topology in the presence of uncertain aerodynamic parameters.

Investigation of cotton fabric composites as a natural radar-absorbing material

Muhammet Çağrı Ayan, Serap Kiriş, Ahmet Yapici, Muharrem Karaaslan, Oğuzhan Akgöl, Olcay Altıntaş, Emin Ünal

The purpose of this paper is to investigate cotton fabric behavior that is exposed to radar waves between selected operation frequencies as an alternative radar-absorbing material…

Reentry guidance by accelerated fractional-order particle swarm optimization method

Khurram Shahzad Sana, Weiduo Hu

The aim of this study is to design a guidance method to generate a smoother and feasible gliding reentry trajectory, a highly constrained problem by formalizing the control…

Current-source 1-Ph inverter design for aircraft applications

Eralp Sener, Gurhan Ertasgin

This paper aims to present an inverter with a current-source input for 400 Hz avionic systems to have a system which removes DC-link capacitors and presents a high efficiency.

Study on the vibrational comfort of aircraft in formation flight

Yaolong Liu

The purpose of this paper is to investigate the passenger comfort changes due to the wake turbulence impact from the formation flight (FF) leading aircraft, which can be a…