Aircraft Engineering and Aerospace Technology: Volume 76 Issue 6

Suboptimal adaptive control system for flight quality improvement

In this paper, the suboptimal algorithm of adaptive control system is presented, which is specially adjusted for automatic flight control systems of general aviation and commuter…

The development of CO2 simulate control testing equipment

For developing the control technique of air in the manned spacecraft cabin, the CO₂ simulate control‐testing equipment is developed to study the CO₂ removal equipment in the…

Goal setting with Six Sigma mean shift determination

A comprehensive approach to quality goal setting is presented that is consistent with Motorola's six‐sigma metric development. In particular, process mean shifts are determined…

The flutter analysis of an infinitely long orthotropic panel in a rectangular duct

The aeroelastic stability of an orthotropic panel in a duct with rectangular cross section is examined. The panel extends along the flow direction in the duct which is infinite in…

Nonlinear inverse dynamics control of the aircraft in the presence of windshear

Control laws that are based on the nonlinear inverse dynamics (NID) of the aircraft offer the potential for providing improved levels of performance over conventional flight…

Impact of safety requirements on the weight of civil unmanned aerial vehicles

The lack of airworthiness and certification criteria for the employment of UAV vehicles in the civilian field has caused an uncontrolled proliferation of projects and the…

Analysis of transient temperature distribution

This paper focuses on investigation of a numerical method for transient temperature distribution, in order to analyze one kind of malfunction of turbine nozzle guide component of…

Test improves accuracy of acoustic aircraft cabin model

Boeing 7E7 offers preferred cabin environment

Expendable launch vehicle revenues increase as industry emerges from soft market

Corrosion test chambers

Rolls-Royce Trent 900 completes successful blade-off test

Rapid prototyping machines builds layer upon layer

Diary

VAST XXT – probe head with a difference

Significant aerospace order won

Hybrid measuring machine probes micro-features with CMM accuracy

Sub-contractor win major contract

Mill/turning capacity for subcontract production

SITA selected for pilot data links to EUROCONTROL

Human factors

CATIA V4 to JT standalone translator for Windows platform

Innovative features of the Boeing 7E7 Dreamliner

Crack assessment

A talking point

Use of water-soluble film as a barrier material in weld purging

Special bearing designs make cost and performance difference

Machined spring offers high accuracy

Greater collaboration called for in specialised metals industry

16th IFAC Symposium on Automatic Control in Aerospace (Saint-Petersburg, Russia, June, 2004)

Fast switching frequency synthesizers guaranteed for 12,000 h continuous operation

Reductions in turbine component grinding costs

Robust circuit breaker

Machining/CMM package that cuts cycle times for aerospace part

Fanuc wire EDM C-series electronic and software developments

“Vector” surface etching machine

PACE to integrate customers deeper into technological development

First of a new generation of European air traffic control centres now operational

Aerospace research centre adopts CADfix