All Outputs (27)

Model refinements with experimental validation in piezoelectric plate actuators (2024)
Journal Article

The axisymmetric vibration analysis of circular plates with piezoelectric layers and step changes in plate thickness is conducted. For the chosen configurations, it is necessary to solve a coupled system of differential equations for extensional and... Read More about Model refinements with experimental validation in piezoelectric plate actuators.

Structural–fluidic–acoustic computational modelling and experimental validation of piezoelectric synthetic jet actuators (2023)
Journal Article

In this study, coupled structural–fluidic–acoustic modelling of piezoelectric diaphragm driven synthetic jet actuators is conducted computationally for the first time. The aim is to demonstrate the importance of piezoelectric diaphragm structural mod... Read More about Structural–fluidic–acoustic computational modelling and experimental validation of piezoelectric synthetic jet actuators.

Enhancing Jet Velocity and Power Conversion Efficiency of Piezoelectric Synthetic Jet Actuators (2023)
Journal Article

The present work discusses an experimental investigation into the effect of piezoceramic employed to drive a synthetic jet actuator into a quiescent flow. The electromechanical coupling ratio of polycrystalline piezoceramics, lead zirconate–titanate... Read More about Enhancing Jet Velocity and Power Conversion Efficiency of Piezoelectric Synthetic Jet Actuators.

Vibration Attenuation of Rotating Blades Using a Non-Linear Energy Sink (2023)
Conference Proceeding

The global climate crisis is placing higher demands on the performance of wind turbines. One of the promising methods to enhance the wind turbine performance is to increase the rotor diameter by having larger blades. However, the blade length is alwa... Read More about Vibration Attenuation of Rotating Blades Using a Non-Linear Energy Sink.

A framework for manufacturing system reconfiguration and optimisation utilising digital twins and modular artificial intelligence (2023)
Journal Article

Digital twins and artificial intelligence have shown promise for improving the robustness, responsiveness, and productivity of industrial systems. However, traditional digital twin approaches are often only employed to augment single, static systems... Read More about A framework for manufacturing system reconfiguration and optimisation utilising digital twins and modular artificial intelligence.

Offshore wind resource assessment based on scarce spatio-temporal measurements using matrix factorization (2022)
Journal Article

In the pre-construction of wind farms, wind resource assessment is of paramount importance. Measurements by lidars are a source of high-fidelity data. However, they are expensive and sparse in space and time. Contrarily, Weather Research and Forecast... Read More about Offshore wind resource assessment based on scarce spatio-temporal measurements using matrix factorization.

Automating the Generation of MBD-Driven Assembly Work Instruction Documentation for Aircraft Components (2022)
Conference Proceeding

The classical approach to the creation of assembly work instructions for high value, complex products is time-consuming and prone to error. It requires a process engineer to write the work instructions step-by-step and manually insert specific techni... Read More about Automating the Generation of MBD-Driven Assembly Work Instruction Documentation for Aircraft Components.

An efficient cost estimation framework for aerospace applications using Matlab/Simulink (2021)
Journal Article

The ability to estimate costs and process times at the early stage of a design phase is of great importance to the product development process, enabling selection of the most suitable design and manufacturing concepts. Therefore, herein an efficient... Read More about An efficient cost estimation framework for aerospace applications using Matlab/Simulink.

Learning Feedforward Control for Industrial Manipulators (2021)
Conference Proceeding

In this work, an iterative learning control (ILC) algorithm is proposed for industrial manipulators. The proposed ILC algorithm works coordinately with the inverse dynamics of the manipulator and a feedback controller. The entire control scheme has t... Read More about Learning Feedforward Control for Industrial Manipulators.

Application of advanced simulation methods for the tolerance analysis of mechanical assemblies (2021)
Conference Proceeding

In the frame of a statistical tolerance analysis of complex assemblies, for example an aircraft wing, the capability to predict accurately and fast specified, very small quantiles of the distribution of the assembly key characteristic becomes crucial... Read More about Application of advanced simulation methods for the tolerance analysis of mechanical assemblies.

A new phenomenological constitutive model for thermoplastics (2021)
Journal Article

A new phenomenological constitutive model is proposed to predict the mechanical behaviour of thermoplastics in the current research. The new constitutive model and the method to determine the parameters of the model are introduced. In the new model,... Read More about A new phenomenological constitutive model for thermoplastics.

Implementation of dimensional management methodology and optimisation algorithms for pre-drilled hinge line interfaces of critical aero assemblies - A case study (2020)
Journal Article

A dimensional management procedure is developed and implemented in this work to deal with the identification of the optimum hole diameter that needs to be pre-drilled in order to successfully join two subassemblies in a common hinge line interface wh... Read More about Implementation of dimensional management methodology and optimisation algorithms for pre-drilled hinge line interfaces of critical aero assemblies - A case study.

Tolerance allocation: A reliability based optimisation approach (2020)
Journal Article

Tolerance analysis and allocation are two activities of great importance in product development. The mathematical formulation of the latter concerns the establishment and solution of a constraint optimisation problem. In this work, making one step fo... Read More about Tolerance allocation: A reliability based optimisation approach.

Incremental sheet forming of thermoplastics: a review (2020)
Journal Article

Incremental sheet forming (ISF) is a promising flexible manufacturing process, which has been tested in sheet forming of various metallic materials. Although ISF based forming of thermoplastics is relatively new, it has drawn considerable interests a... Read More about Incremental sheet forming of thermoplastics: a review.

Hierarchical Control for Trajectory Generation and Tracking Via Active Front Steering (2019)
Journal Article

A new hierarchical model predictive controller for autonomous vehicle steering control is presented. The controller generates a path of shortest distance by determining lateral coordinates on a longitudinal grid, while respecting road bounds. This pa... Read More about Hierarchical Control for Trajectory Generation and Tracking Via Active Front Steering.

Effects of mechanical non-linearity on the dynamic behaviour of ring-based inertial rate sensors (2019)
Journal Article

© 2019 Violetta Di Napoli, et al. This paper presents a mathematical model to describe the 2 in-plane response of supported ring-based MEMS Coriolis Vibrating Gyroscopes (CVGs), including mechanical non-linearity in ring and support structures. Whils... Read More about Effects of mechanical non-linearity on the dynamic behaviour of ring-based inertial rate sensors.

Nonlinear electrostatic effects in MEMS ring-based rate sensors under shock excitation (2019)
Journal Article

The vibration response of a capacitive ring-based Coriolis Vibrating Gyroscope (CVG) subjected to in-plane shock is modelled and analysed to quantify the effect of shock on angular velocity measurement. The model developed considers a ring resonator... Read More about Nonlinear electrostatic effects in MEMS ring-based rate sensors under shock excitation.

Trade-off study of a variation aware determinate wing assembly against a traditional assembly strategy (2018)
Journal Article

The present study introduces a trade-off framework to evaluate assembly concepts to make informed decisions for aircraft wing structures. This includes (1) the design of the assembly concepts and the estimation of the probability of achieving specifi... Read More about Trade-off study of a variation aware determinate wing assembly against a traditional assembly strategy.

Effect of nonlinear electrostatic forces on the dynamic behaviour of a capacitive ring-based Coriolis Vibrating Gyroscope under severe shock (2018)
Journal Article

This paper investigates the dynamic behaviour of capacitive ring-based Coriolis Vibrating Gyroscopes (CVGs) under severe shock conditions. A general analytical model is developed for a multi-supported ring resonator by describing the in-plane ring re... Read More about Effect of nonlinear electrostatic forces on the dynamic behaviour of a capacitive ring-based Coriolis Vibrating Gyroscope under severe shock.

Control of Vibration Using Compliant Actuators (2017)
Journal Article

© 2017 by ASME. This work proposes a method for controlling vibration using compliant-based actuators. The compliant actuator combines a conventional actuator with elastic elements in a series configuration. The benefits of compliant actuators for vi... Read More about Control of Vibration Using Compliant Actuators.