All Outputs (14)

Vibration Attenuation of Rotating Blades Using a Non-Linear Energy Sink (2023)
Presentation / Conference Contribution
Wall, I. P., Amoozgar, M., & Popov, A. (2023, June). Vibration Attenuation of Rotating Blades Using a Non-Linear Energy Sink. Presented at AIAA AVIATION 2023 Forum, San Diego, CA and Online

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.

Automating the Generation of MBD-Driven Assembly Work Instruction Documentation for Aircraft Components (2022)
Presentation / Conference Contribution
Papadaki, A. R., Bacharoudis, K., Bainbridge, D., Burbage, N., Turner, A., Sanderson, D., Popov, A. A., & Ratchev, S. M. (2022, June). Automating the Generation of MBD-Driven Assembly Work Instruction Documentation for Aircraft Components. Presented at International Conference on Flexible Automation and Intelligent Manufacturing (FAIM 2022), Detroit, USA

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)
Presentation / Conference Contribution
Bacharoudis, K., Wilson, H., Goodfellow-Jones, S., Popov, A., & Ratchev, S. An efficient cost estimation framework for aerospace applications using Matlab/Simulink. Presented at 54th CIRP Conference on Manufacturing Systems, 2021, Online

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)
Presentation / Conference Contribution
Liu, C., Popov, A., Turner, A., Shires, E., & Ratchev, S. (2021, May). Learning Feedforward Control for Industrial Manipulators. Presented at IEEE 10th Data Driven Control and Learning Systems Conference (DDCLS 2021), Suzhou, China

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)
Presentation / Conference Contribution
Bacharoudis, K., Popov, A., & Ratchev, S. (2020, December). Application of Advanced Simulation Methods for the Tolerance Analysis of Mechanical Assemblies. Presented at 9th International Precision Assembly Seminar (IPAS 2020), Online

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 probabilistic approach for trade-off analysis of composite wing structures at the conceptual phase of design (2019)
Presentation / Conference Contribution
Bacharoudis, K., Turner, T., Popov, A., & Ratchev, S. (2019, January). A probabilistic approach for trade-off analysis of composite wing structures at the conceptual phase of design. Presented at 8th IFIP WG 5.5 International Precision Assembly Seminar, IPAS 2018, Chamonix, France

One of the major elements when performing a design for manufacturing and assembly methodology is the cost modelling method. A probabilistic cost approach is introduced herein for the series production of a composite wing structure. The proposed metho... Read More about A probabilistic approach for trade-off analysis of composite wing structures at the conceptual phase of design.

Advanced Assembly Solutions for the Airbus RACER Joined-Wing Configuration (2019)
Presentation / Conference Contribution
Bainbridge, D., Bacharoudis, K., Cini, A., Turner, A., Popov, A., & Ratchev, S. (2019, September). Advanced Assembly Solutions for the Airbus RACER Joined-Wing Configuration. Presented at Aerotech Europe Conference, Bordeaux, France

The Rapid And Cost Effective Rotorcraft (RACER) is being developed by Airbus Helicopters (AH) to demonstrate a new Vertical TakeOff and Landing configuration to fill the mobility gap between conventional helicopters and aeroplanes. RACER is a compoun... Read More about Advanced Assembly Solutions for the Airbus RACER Joined-Wing Configuration.

Effects of mechanical non-linearity on the dynamic behaviour of ring-based inertial rate sensors (2019)
Presentation / Conference Contribution
Popov, A. A., Napoli, V. D., & McWilliam, S. (2019, September). Effects of mechanical non-linearity on the dynamic behaviour of ring-based inertial rate sensors. Presented at 41st International Conference on Vibroengineering, Leipzig, Germany

© 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.

Trade-off study of a variation aware determinate wing assembly against a traditional assembly strategy (2018)
Presentation / Conference Contribution
Bacharoudis, K., Bakker, O. J., Popov, A., & Ratchev, S. Trade-off study of a variation aware determinate wing assembly against a traditional assembly strategy. Presented at 8th EASN-CEAS International Workshop on Manufacturing for Growth & Innovation, Glasgow, UK

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.

Computationally-efficient aeroelastic analysis tool for short-wing/propeller configuration on compound helicopters (2018)
Presentation / Conference Contribution
Wang, Z., & Popov, A. A. (2018, September). Computationally-efficient aeroelastic analysis tool for short-wing/propeller configuration on compound helicopters. Paper presented at International Conference on Noise and Vibration Engineering (ISMA-USD 2018)

A time-domain aeroelastic analysis for short-wing/propeller configuration in compound helicopters is presented in this paper. A linear Timoshenko beam is used in conjunction with analytical aerodynamic theories, while propeller effects are simplified... Read More about Computationally-efficient aeroelastic analysis tool for short-wing/propeller configuration on compound helicopters.

Time-domain aeroelastic model for compound helicopter propeller-wing configuration (2017)
Presentation / Conference Contribution
Wang, Z., Anobile, A., & Popov, A. A. (2017, October). Time-domain aeroelastic model for compound helicopter propeller-wing configuration. Paper presented at Aerospace Europe CEAS 2017 Conference, Bucharest, Romania

A simplified numerical model for time-domain aeroelastic analysis of a wing structure in a propeller-wing configuration is described in the paper. A linear beam model with deformable elastic axis under torsional deformation and out-of-plane bending i... Read More about Time-domain aeroelastic model for compound helicopter propeller-wing configuration.

Modal Control of Vibration in Rotating Machines and Other Generally Damped Systems (2006)
Presentation / Conference Contribution
Houlston, P. R., Garvey, S. D., & Popov, A. A. Modal Control of Vibration in Rotating Machines and Other Generally Damped Systems. Presented at ISMA 2006 International Conference on Noise and Vibration Engineering

Second order matrix equations arise in the description of real dynamical systems. Traditional modal control approaches utilise the eigenvectors of the undamped system to diagonalise the system matrices. A regrettable consequence of this approach is t... Read More about Modal Control of Vibration in Rotating Machines and Other Generally Damped Systems.

Optimal Controller Designs for Rotating Machines - Penalising the Rate of Change of Control Forcing (2006)
Presentation / Conference Contribution
Houlston, P. R., Garvey, S. D., & Popov, A. A. Optimal Controller Designs for Rotating Machines - Penalising the Rate of Change of Control Forcing. Presented at 7th IFToMM Conference on Rotor Dynamics

In the context of active control of rotating machines, standard optimal controller methods enable a trade-off to be made between (weighted) mean-square vibrations and (weighted) mean-square currents injected into magnetic bearings. One shortcoming of... Read More about Optimal Controller Designs for Rotating Machines - Penalising the Rate of Change of Control Forcing.

Efficient numerical methods for aeroelastic analysis of wing-propeller configuration compound helicopters
Presentation / Conference Contribution
Wang, Z., Anobile, A., & Popov, A. A. Efficient numerical methods for aeroelastic analysis of wing-propeller configuration compound helicopters. Paper presented at Italian Association of Aeronautics and Astronautics XXIV International Conference

Efficient numerical methods for time-domain aeroelastic analysis of a wing structure under a propeller-wing configuration is described in the paper. A linear beam model with deformable elastic axis under torsion and flapping is considered to simulate... Read More about Efficient numerical methods for aeroelastic analysis of wing-propeller configuration compound helicopters.