Aircraft Engineering and Aerospace Technology: Volume 95 Issue 6

Modeling and verification of helicopter roll-on takeoff based on optimal control theory

JingHui Deng, Jinhe Chen, ZhengZhong Wang

The paper aims to establish a comprehensive optimization analysis model for a helicopter roll on the ground and take off based on optimal control method. The trajectory and…

Stable and accurate tracking control of tail-sitter aircraft in all flight modes

Xu Zou, Zhenbao Liu, Qingqing Dang, Lina Wang

This paper aims to design a global controller that is operational throughout all flight modes and less dependent on an accurate model.

Fire risk assessment of airborne lithium battery based on entropy weight improved cloud model

Lei Shao, Jiawei He, Xianjun Zeng, Hanjie Hu, Wenju Yang, Yang Peng

The purpose of this paper is to combine the entropy weight method with the cloud model and establish a fire risk assessment method for airborne lithium battery.

Effect of varying velocity ratio and separation distance on thin lip coaxial jet

Naren Shankar Radha Krishnan, Irish Angelin S., Ganesan V.G., Sathish Kumar K.

In comparison to a nozzle with a larger/finite separation distance (Thanigaiarasu et al., 2019), a thin-lip nozzle (Srinivasarao et al., 2017) minimizes drag. Coaxial nozzles with…

Analysis of ATC-related aviation accidents and incidents

Lejla Nikšić, Ebru Arıkan Öztürk

This study aims to analyse the air traffic control (ATC)-related accidents and incidents. The paper aims to determine technical, operational and environmental factors that…

Gust response analysis based on a nonlinear structural model and the unsteady aerodynamics of a flexible aircraft

Javad Masrour, Seyed Hossein Sadati, Morteza Shahravi

This study aims to simulate gust effects on the aeroelastic behavior of a flexible aircraft. The dynamic response of the system for different discreet gust excitations is obtained…

Assessment on fuel economy of MoM transport aircraft using empirical approach: modelling with a case study

Aishwarya Dhara, J.V. Muruga Lal Jeyan

This research is associated with the real-time parameters of wide- and narrow-body aircraft to recognize the quantitative relationship framework. This paper aims to find the…

Investigation of the strength of forged rivet joints made with different bucking bar gaps

Mustafa Soylak, Veysel Erturun

The purpose of this study is to examine the effect of the rivet heads formed on the rivet strength by an experimental study if the bucking bar used in the forged rivet application…

Prediction of the maintenance cost of general aviation aircraft based on engineering method

Xiaonan Chen, Shiyong Chu, Guanglin Zhang, Xuanyou Chen, Jun Huang, Mingxu Yi

General aviation aircraft has a wide range of applications, and effective cost management is one of the hot spots in the research of general aviation manufacturers. The purpose of…

Simultaneous design of morphing hexarotor and autopilot system by using deep neural network and SPSA

Oguz Kose, Tugrul Oktay

The purpose of this paper is to optimize the simultaneous flight performance of a hexarotor unmanned aerial vehicle (UAV) by using simultaneous perturbation stochastic…

A method of milling force predictions for machining tools based on an improved ARMA model

Yang Li, Jinke Gao, Jianing Zhou, Tong Zhu, Zhilei Jiang

Cutting force prediction is pretty important for manufacture management. Thus, the purpose of this paper is to obtain the cutting force of the machining process with high…

Direct data driven safety control for aircraft flight system-Part 1: the theory case

Wang Jianhong, Ricardo A. Ramirez-Mendoza

This new paper aims to combine the recent new contributions about direct data driven control and other safety property to form an innovative direct data driven safety control for…

Fractal model of thermal contact conductance of rough surfaces based on cone asperity

Xianguang Sun, Wuce Xing

The purpose of this paper is to propose a fractal model of thermal contact conductance (TCC) of rough surfaces based on cone asperity.

Structure health inspection for aging transport aircraft

Wei Jiang, Ray C. Chang, Shuqin Zhang, Shixin Zang

This study aims to present a diagnosis method to inspect the structure health for aging transport aircraft based on the postflight data in severe clear-air turbulence at transonic…

Design and implementation of a hardware-in-the-loop simulation platform for a tail-sitter UAV

Xu Zou, Zhenbao Liu, Wen Zhao, Lina Wang

A high-fidelity simulation platform helps to verify the feasibility of the controller and reduce the cost of subsequent experiments. Therefore, this paper aims to design a…

Numerical investigation of aerodynamically efficient wing tip-mounted propeller configuration using coupled RANS–BEM approach

Y. Chandukrishna, T.N. Venkatesh

Recent interest in electric aircraft has opened avenues for exploring innovative concepts and designs. Because of its potential to increase wing aerodynamic efficiency, the idea…