Outputs (723)

A novel hybrid control strategy of wind turbine wakes in tandem configuration to improve power production (2022)
Journal Article

The wind turbines that operate in the wake region of the upstream turbines produce less power and may suffer serious structural issues due to highly unsteady flows, which can reduce the life expectancy of the turbines. In this study, a novel hybrid w... Read More about A novel hybrid control strategy of wind turbine wakes in tandem configuration to improve power production.

Optimisation of straight plate upstream deflector for the performance enhancement of vertical axis wind turbine at low, medium and high regimes of tip speed ratios (2022)
Journal Article

Location and geometry optimisations of Straight Plate Upstream Deflector (SPUD) for performance enhancement of a three-straightbladed Vertical Axis Wind Turbine (VAWT) are carried out at three regimes of tip speed ratios (TSRs). Results analysis reve... Read More about Optimisation of straight plate upstream deflector for the performance enhancement of vertical axis wind turbine at low, medium and high regimes of tip speed ratios.

Validation of the safety requirements of the landing gear using fault tree analysis (2022)
Journal Article

We analyze the functionality of the landing system of a regional aircraft in the extension and cruise flight modes and validate safety requirements through the fault tree analysis. The main landing gear system is captured in the electromechanical–flu... Read More about Validation of the safety requirements of the landing gear using fault tree analysis.

A review on the use of passive flow control devices as performance enhancement of lift-type vertical axis wind turbines (2022)
Journal Article

This article provides a comprehensive review about passive flow control devices (PFCDs) implemented in lift-type vertical axis wind turbine (LVAWT), focusing on the underlying flow physics mechanisms and to what extents they can improve the LVAWT per... Read More about A review on the use of passive flow control devices as performance enhancement of lift-type vertical axis wind turbines.

Revisiting voyager 2's trajectory (2022)
Journal Article

This paper presents reconstruction of Voyager 2 trajectory to examine how the mission was optimised for fuel and Time of Flight(TOF), as well as to find out if there is a more efficient trajectory for the full Earth-Jupiter-Saturn-Uranus-Neptune (EJS... Read More about Revisiting voyager 2's trajectory.

The effect of transverse compressive stresses on tensile failure of carbon fibre/epoxy composites (2022)
Journal Article

A novel test configuration has been developed to induce combined stress-states of in-plane longitudinal tension and transverse compression in thin-ply, unidirectional (UD) composite layers. Three different multi-directional laminates have been design... Read More about The effect of transverse compressive stresses on tensile failure of carbon fibre/epoxy composites.

A new configuration of composite nonlinear feedback control for nonlinear systems with input saturation (2022)
Journal Article

This study proposes a U-control–based Composite Nonlinear Feedback (U-CNF) design procedure. This U-CNF control establishes a double feedback loop framework for generalisation and simplification in designing the CNF control systems. Two controllers,... Read More about A new configuration of composite nonlinear feedback control for nonlinear systems with input saturation.

Response of gyroid lattice structures to impact loads (2022)
Journal Article

This paper reports on a comprehensive investigation of gyroid lattice structures subject to impact loading. AlSi10Mg samples were manufactured using selective laser melting (SLM) and mechanically characterized using Digital Image Correlation (DIC). U... Read More about Response of gyroid lattice structures to impact loads.

Vacuum and hover test of a double anhedral tip composite rotor (2022)
Presentation / Conference Contribution

This paper presents an experimental investigation of a double anhedral tip composite rotor. The goal is to describe
the development of the blades and document the test data for future validation. The research geometry was designed
based on guidance... Read More about Vacuum and hover test of a double anhedral tip composite rotor.

Overview and Introduction of the Rotor Optimization for the Advancement of Mars eXploration (ROAMX) Project (2022)
Presentation / Conference Contribution

Research in pursuit of rotorcraft flight on Mars has been ongoing since the late 1990s at NASA Ames Research Center. Since then, many other organizations have also begun researching rotary-wing flight on Mars. In 2014, the project that led to the fir... Read More about Overview and Introduction of the Rotor Optimization for the Advancement of Mars eXploration (ROAMX) Project.

Energy harvesting from landing and taxiing of commercial aircraft (2022)
Journal Article

We demonstrate a virtual proof-of-concept design and experiment for energy harvesting enabling economic and environment-friendly aircraft by recycling forces for power conversion. The harvesting uses piezoelectric materials for extracting energy from... Read More about Energy harvesting from landing and taxiing of commercial aircraft.

Mechanical behaviour of additively manufactured elastomeric pre-buckled honeycombs under quasi-static and impact loading (2022)
Journal Article

Selective laser sintering has been used to manufacture different structural variations of a pre-buckled circular honeycomb. The mechanical behaviour of these structures has been examined under both quasi-static and dynamic impact loading. Pre-buckled... Read More about Mechanical behaviour of additively manufactured elastomeric pre-buckled honeycombs under quasi-static and impact loading.

Use of industrial waste in construction and a cost analysis (2022)
Book Chapter

The average cost is increasing for disposing and managing industrial wastes in the world. The utilization/reuse of industrial wastes in construction is vital in that context to reduce the cost of both industrial operations and construction contractor... Read More about Use of industrial waste in construction and a cost analysis.

Management of industrial waste and cost analysis (2022)
Book Chapter

The increase in the global demands of industrial products leads to the increase in the produced wastes. This chapter reviews the management of three general categories of industrial wastes/byproducts: coal-burning ash (fly ash and bottom ash), iron a... Read More about Management of industrial waste and cost analysis.

Deep learning based customer preferences analysis in industry 4.0 environment (2021)
Journal Article

Customer preferences analysis and modelling using deep learning in edge computing environment are critical to enhance customer relationship management that focus on a dynamically changing market place. Existing forecasting methods work well with ofte... Read More about Deep learning based customer preferences analysis in industry 4.0 environment.

Design, novel quality check and experimental test of an original variable length stepped scarf repair scheme (2021)
Journal Article

The performance of well-established stepped scarf repair schemes for highly loaded composite structures has been studied in previous works. However, none of the proposed repair schemes appear to minimise healthy material removal. Thus, this paper pro... Read More about Design, novel quality check and experimental test of an original variable length stepped scarf repair scheme.

Multi-direction gradient iterative algorithm: A unified framework for gradient iterative and least squares algorithms (2021)
Journal Article

In this study, a multi-direction-based gradient iterative (GI) algorithm for Hammerstein systems with irregular sampling data is proposed. The algorithm updates the parameter estimates using several orthogonal directions at each iteration. The conver... Read More about Multi-direction gradient iterative algorithm: A unified framework for gradient iterative and least squares algorithms.

Geometry optimisation of vertical axis wind turbine with Gurney flap for performance enhancement at low, medium and high ranges of tip speed ratios (2021)
Journal Article

Optimisation of Gurney flap (GF) geometries mounted on a three-straight-bladed vertical axis wind turbine (VAWT) is evaluated with computational fluid dynamics (CFD) solution and Taguchi method, considering the blade rotating effect at three tip spee... Read More about Geometry optimisation of vertical axis wind turbine with Gurney flap for performance enhancement at low, medium and high ranges of tip speed ratios.

Complete model-free sliding mode control (CMFSMC) (2021)
Journal Article

This study presents a complete model-free sliding mode control (CMFSMC) framework for the control of continuous-time non-affine nonlinear dynamic systems with unknown models. The novelty lies in the introduction of two equalities to assign the deriva... Read More about Complete model-free sliding mode control (CMFSMC).

U-model-based double sliding mode control (UDSM-control) of nonlinear dynamic systems (2021)
Journal Article

This study proposes a double sliding mode control-augmented U-control ((Formula presented.) -control) method for a class of single-input single-output nonlinear systems with internal uncertain parameters, model mismatching and external system noise/d... Read More about U-model-based double sliding mode control (UDSM-control) of nonlinear dynamic systems.