Dr Carlos Ramos Romero's Outputs (26)

Flight Performance and Acoustics of Asymmetric Propellers with Uneven Blade Spacing (2024)
Presentation / Conference Contribution

Anexperimental campaign is conducted to characterise the acoustics and flight performance of asymmetric propellers with uneven blade spacing by taking field measurements of an unmanned aerial system in hover. Further, the study compares the acoustics... Read More about Flight Performance and Acoustics of Asymmetric Propellers with Uneven Blade Spacing.

Towards a Taxonomy for the Assessment of the Unmanned Aerial Systems Noise Emissions (2024)
Presentation / Conference Contribution

Despite the many advantages of unconventional aerial systems, mainly for logistics and transportation applications, noise has emerged as one of the main public acceptance factors that can delay the start of commercial operations of Advanced Air Mobil... Read More about Towards a Taxonomy for the Assessment of the Unmanned Aerial Systems Noise Emissions.

An acoustic and psychoacoustic assessment on the noise control of propellers in distributed propulsion configuration using phase-synchronisation Session: Experimental Techniques (2024)
Presentation / Conference Contribution

Distributed electric propulsion is widely recoginised as a promising propulsion configuration for next-generation aerial vehicles, including short-to-medium-haul passenger aircraft and urban air mobility vehicles. The presence of multiple propulsors... Read More about An acoustic and psychoacoustic assessment on the noise control of propellers in distributed propulsion configuration using phase-synchronisation Session: Experimental Techniques.

Comparison of the noise perception of conventional aircraft and Unmanned Aircraft Systems (2024)
Presentation / Conference Contribution

The use of Unmanned Aircraft Systems (UAS) for commercial applications is seeing steady growth in numerous sectors as the technology improves and more applications are realised. Whilst research into human response to UAS noise is a relatively new fie... Read More about Comparison of the noise perception of conventional aircraft and Unmanned Aircraft Systems.

Acoustic and Psychoacoustic Characterisation of Unmanned Aircraft Systems as a Function of Vehicle Mass and Flight Procedure (2024)
Presentation / Conference Contribution

Previous studies have found the noise emission of Unmanned Aircraft Systems (UAS) highly dependent on the vehicle mass and flight procedure. These changes in noise emission, as well as the position of the UAS relative to the receiver, have led to cha... Read More about Acoustic and Psychoacoustic Characterisation of Unmanned Aircraft Systems as a Function of Vehicle Mass and Flight Procedure.

Boundary Layer Ingestion Ducted Fan: Aeroacoustic and Psychoacoustic Insights (2024)
Presentation / Conference Contribution

An in-depth experimental study was conducted to investigate the noise characteristics of a ducted fan ingesting an adverse pressure gradient turbulent boundary layer, typical of those encountered in novel airframe-integrated propulsion systems. To ga... Read More about Boundary Layer Ingestion Ducted Fan: Aeroacoustic and Psychoacoustic Insights.

Synthesis and Auralisations of Quadcopter Flyovers for Psychoacoustic Assessment. (2024)
Presentation / Conference Contribution

This paper describes a methodology to generate auralisations of quadcopter flyovers from recordings of hovering operations. The primary focus of this investigation is reproducing changes in the tonal components at the blade passing frequencies and th... Read More about Synthesis and Auralisations of Quadcopter Flyovers for Psychoacoustic Assessment..

Correction: Noise from Unconventional Aircraft: A Review of Current Measurement Techniques, Psychoacoustics, Metrics and Regulation (2024)
Journal Article
J. B. Lotinga, M., Ramos-Romero, C., Green, N., & J. Torija, A. (2024). Correction: Noise from Unconventional Aircraft: A Review of Current Measurement Techniques, Psychoacoustics, Metrics and Regulation. Current Pollution Reports, https://doi.org/10.1007/s40726-024-00311-z

Perception of noise from unmanned aircraft systems: Efficacy of metrics for indoor and outdoor listener positions (2024)
Journal Article
Green, N., Torija, A. J., & Ramos-Romero, C. (2024). Perception of noise from unmanned aircraft systems: Efficacy of metrics for indoor and outdoor listener positions. ˜The œJournal of the Acoustical Society of America (Online), 155(2), 915-929. https://doi.org/10.1121/10.0024522

This paper presents the results of a listening experiment designed to assess annoyance and perceived loudness (PL) for several unmanned aircraft system (UAS) operations, with the listener simulated in indoor and outdoor positions. This research inves... Read More about Perception of noise from unmanned aircraft systems: Efficacy of metrics for indoor and outdoor listener positions.

sUAS noise characterisation during hovering operations (2024)
Presentation / Conference Contribution

In the framework of the EPSRC - UK DroneNoise project, a multi-channel methodology for small unmanned aerial systems (sUAS) noise measurement was applied under controlled conditions. The measurement campaign was carried out during August 2022 in Edze... Read More about sUAS noise characterisation during hovering operations.

Investigating the Dose Response of UAS Noise: Designing a Listening Experiment (2024)
Presentation / Conference Contribution

In collaboration with the UK Civil Aviation Authority, the University of Salford is carrying out research to better understand the human perception and dose response of Unmaned Aerial Systems (UAS) noise. A listening experiment has been conducted to... Read More about Investigating the Dose Response of UAS Noise: Designing a Listening Experiment.

Audio Stimuli (2024)
Digital Artefact
Green, N., Martinez, A. J. T., & Romero, C. R. (2024). Audio Stimuli. [Audio]

Drone / UAS Noise stimuli used for Listening Experiment

Noise from Unconventional Aircraft: A Review of Current Measurement Techniques, Psychoacoustics, Metrics and Regulation (2023)
Journal Article
Lotinga, M. J. B., Ramos-Romero, C., Green, N., & Torija, A. J. (2023). Noise from Unconventional Aircraft: A Review of Current Measurement Techniques, Psychoacoustics, Metrics and Regulation. Current Pollution Reports, 9(4), 724-745. https://doi.org/10.1007/s40726-023-00285-4

Purpose of Review: This review aims to evaluate and discuss the current advances in the measurement and assessment of the noise generated by unconventional aircraft, such as unmanned aircraft systems (UAS) and urban air mobility (UAM) vehicles. Build... Read More about Noise from Unconventional Aircraft: A Review of Current Measurement Techniques, Psychoacoustics, Metrics and Regulation.

On-field measurement for sUAS noise characterization (2023)
Presentation / Conference Contribution

With the imminent introduction of multi-rotor aircraft systems
in airspace and the expectation of their operation
near urban areas, noise emissions from this new type of
noise sources have become an important research topic,
mainly because they h... Read More about On-field measurement for sUAS noise characterization.

sUAS Noise characterization during hovering operations (2023)
Presentation / Conference Contribution

In the framework of the EPSRC-UK DroneNoise project, a multi-channel methodology for small Unmanned Aircraft Systems (sUAS) noise measurement was applied under controlled conditions. The measurement campaign was carried out in August 2022 in Edzell,... Read More about sUAS Noise characterization during hovering operations.

On-field noise measurements and acoustic characterisation of multi-rotor small unmanned aerial systems (2023)
Journal Article
Ramos-Romero, C., Green, N., Torija, A. J., & Asensio, C. (2023). On-field noise measurements and acoustic characterisation of multi-rotor small unmanned aerial systems. Aerospace science and technology, 141, 108537. https://doi.org/10.1016/j.ast.2023.108537

The noise signature of small Unmanned Aerial Systems (sUAS) is highly influenced by specific operating and weather conditions. Accurate noise assessment of sUAS operations requires field noise measurements that capture all the compl... Read More about On-field noise measurements and acoustic characterisation of multi-rotor small unmanned aerial systems.

Deep learning and wearable sensors for the diagnosis and monitoring of Parkinson’s disease: A systematic review (2023)
Journal Article

Parkinson’s disease (PD) is a neurodegenerative disorder that produces both motor and non-motor complications, degrading the quality of life of PD patients. Over the past two decades, the use of wearable devices in combination with machine learning a... Read More about Deep learning and wearable sensors for the diagnosis and monitoring of Parkinson’s disease: A systematic review.

Advances in the Measurement and Human Response to Noise of Unmanned Aircraft Systems (2023)
Journal Article
Green, N., Ramos-Romero, C., & Torija Martinez, A. (2023). Advances in the Measurement and Human Response to Noise of Unmanned Aircraft Systems. SAE Technical Papers, https://doi.org/10.4271/2023-01-1108

The sound produced by Unmanned Aerial Systems (known as UAS or Drones) is often considered to be one of the main barriers (alongside privacy and safety concerns) preventing the widespread use of these vehicles in environments where they may be in clo... Read More about Advances in the Measurement and Human Response to Noise of Unmanned Aircraft Systems.

DroneNoise Database (2023)
Data

Authors:

Carlos Ramos-Romero, Nathan Green, César Asensio and Antonio J Torija Martinez

The database was constructed from sUAS noise recorded under field conditions during the measurement campaign in Edzell, Scotland, on 17 August 2022.

The... Read More about DroneNoise Database.

Assessment of Drone Noise Within Urban Soundscapes (2023)
Presentation / Conference Contribution

Drones have the potential to be implemented in the infrastructure of metropolitan areas to provide services to the public such as delivery, maintenance, and even blue light services. The scope for drone capability is large, but this comes with the ri... Read More about Assessment of Drone Noise Within Urban Soundscapes.