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Model refinements with experimental validation in piezoelectric plate actuators (2024)
Journal Article
Popov, A. A., Gungordu, B., & Jabbal, M. (2024). Model refinements with experimental validation in piezoelectric plate actuators. Journal of Sound and Vibration, 584, Article 118462. https://doi.org/10.1016/j.jsv.2024.118462

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
Gungordu, B., Jabbal, M., & Popov, A. A. (2023). Structural–fluidic–acoustic computational modelling and experimental validation of piezoelectric synthetic jet actuators. International Journal of Heat and Fluid Flow, 104, Article 109215. https://doi.org/10.1016/j.ijheatfluidflow.2023.109215

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
Gungordu, B., Jabbal, M., & Popov, A. A. (2023). Enhancing Jet Velocity and Power Conversion Efficiency of Piezoelectric Synthetic Jet Actuators. AIAA Journal, 61(10), 4321–4331. https://doi.org/10.2514/1.j062930

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.

A framework for manufacturing system reconfiguration and optimisation utilising digital twins and modular artificial intelligence (2023)
Journal Article
Mo, F., Rehman, H. U., Monetti, F. M., Chaplin, J. C., Sanderson, D., Popov, A., …Ratchev, S. (2023). A framework for manufacturing system reconfiguration and optimisation utilising digital twins and modular artificial intelligence. Robotics and Computer-Integrated Manufacturing, 82, Article 102524. https://doi.org/10.1016/j.rcim.2022.102524

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
Elshafei, B., Peña, A., Popov, A., Giddings, D., Ren, J., Xu, D., & Mao, X. (2023). Offshore wind resource assessment based on scarce spatio-temporal measurements using matrix factorization. Renewable Energy, 202, 1215-1225. https://doi.org/10.1016/j.renene.2022.12.006

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.

A new phenomenological constitutive model for thermoplastics (2021)
Journal Article
Zhu, H., Ou, H., & Popov, A. (2021). A new phenomenological constitutive model for thermoplastics. Mechanics of Materials, 157, Article 103817. https://doi.org/10.1016/j.mechmat.2021.103817

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
Bacharoudis, K. C., Bainbridge, D., Turner, A., & Popov, A. A. (2021). Implementation of dimensional management methodology and optimisation algorithms for pre-drilled hinge line interfaces of critical aero assemblies - A case study. Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 235(6-7), 1074-1083. https://doi.org/10.1177/0954405420978101

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.

Incremental sheet forming of thermoplastics: a review (2020)
Journal Article
Zhu, H., Ou, H., & Popov, A. (2020). Incremental sheet forming of thermoplastics: a review. International Journal of Advanced Manufacturing Technology, 111, 565-587. https://doi.org/10.1007/s00170-020-06056-5

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
Hellewell, J. S., Popov, A. A., & Burnett, G. E. (2020). Hierarchical Control for Trajectory Generation and Tracking Via Active Front Steering. Journal of Dynamic Systems, Measurement, and Control, 142(1), 1-10. https://doi.org/10.1115/1.4044620

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.

Nonlinear electrostatic effects in MEMS ring-based rate sensors under shock excitation (2019)
Journal Article
Sieberer, S., Mcwilliam, S., & Popov, A. A. (2019). Nonlinear electrostatic effects in MEMS ring-based rate sensors under shock excitation. International Journal of Mechanical Sciences, 157-158, 485-497. https://doi.org/10.1016/j.ijmecsci.2019.04.028

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.

Effect of nonlinear electrostatic forces on the dynamic behaviour of a capacitive ring-based Coriolis Vibrating Gyroscope under severe shock (2018)
Journal Article
Chouvion, B., McWilliam, S., & Popov, A. A. (2018). Effect of nonlinear electrostatic forces on the dynamic behaviour of a capacitive ring-based Coriolis Vibrating Gyroscope under severe shock. Mechanical Systems and Signal Processing, 106, https://doi.org/10.1016/j.ymssp.2017.12.043

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
Mareta, S., Halim, D., & Popov, A. A. (2017). Control of Vibration Using Compliant Actuators. Journal of Vibration and Acoustics, 139(5), 1-13. https://doi.org/10.1115/1.4036499

© 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.

Redesign methodology for mechanical assembly (2017)
Journal Article
El-Nounu, A., Popov, A., & Ratchev, S. (in press). Redesign methodology for mechanical assembly. Research in Engineering Design, https://doi.org/10.1007/s00163-017-0255-6

Design for assembly is the concept of carrying out critical thought early in the design stage to create assembly easement at the production stage. In the aerospace industry, products have very long lives, frequently being optimised rather than introd... Read More about Redesign methodology for mechanical assembly.

Multibody dynamics simulation of an all-wheel-drive motorcycle for handling and energy efficiency investigations (2017)
Journal Article
Griffin, J., & Popov, A. (in press). Multibody dynamics simulation of an all-wheel-drive motorcycle for handling and energy efficiency investigations. Vehicle System Dynamics, https://doi.org/10.1080/00423114.2017.1296962

It is now possible, through electrical, hydraulic or mechanical means, to power the front wheel of a motorcycle. The aim of this is often to improve performance in limit-handling scenarios including off-road low-traction conditions and on-road high-s... Read More about Multibody dynamics simulation of an all-wheel-drive motorcycle for handling and energy efficiency investigations.

Simply-supported multi-layered beams for energy harvesting (2016)
Journal Article
Patel, R., Tanaka, Y., McWilliam, S., Mutsuda, H., & Popov, A. A. (2017). Simply-supported multi-layered beams for energy harvesting. Journal of Intelligent Material Systems and Structures, 28(6), https://doi.org/10.1177/1045389X16657418

This paper develops an analytical model for predicting the performance of simply-supported multi-layered piezoelectric vibrating energy harvesters. The model includes the effects of material and geometric nonlinearities, as well as axial pre-tension/... Read More about Simply-supported multi-layered beams for energy harvesting.

Model refinements and experimental testing of highly flexible piezoelectric energy harvesters (2016)
Journal Article
Patel, R., Tanaka, Y., McWilliam, S., Mutsuda, H., & Popov, A. A. (2016). Model refinements and experimental testing of highly flexible piezoelectric energy harvesters. Journal of Sound and Vibration, 368, https://doi.org/10.1016/j.jsv.2016.01.005

This paper addresses limitations to existing analytical models for piezoelectric energy harvesters. The presented model is targeted at predicting behaviours of highly flexible piezoelectric devices (FPEDs) and includes high orders of substrate and pi... Read More about Model refinements and experimental testing of highly flexible piezoelectric energy harvesters.