Sound quality factors influencing annoyance from hovering UAV

Gwak, Doo Young; Dongyeon, Han; Lee, Soogab

doi:10.1016/j.jsv.2020.115651

Cited by 55 publications

(49 citation statements)

References 9 publications

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“…For conventional fixed-wing aircraft, a significant attenuation of high frequencies is observed due to atmospheric absorption in the long-range propagation. As stated by Gwak et al [ 14 ], one of the critical differences between the sound generated by UAVs and conventional civil aircraft is the concentration of acoustic energy in the high frequency region. This, added to the reduced effect of atmospheric absorption due to the closed proximity between the vehicle and receiver, seems to indicate that high frequency noise is likely to be an important factor for noise annoyance due to UAV operations [ 15 ].…”

Section: Drone Noisementioning

confidence: 99%

“…The sound produced by UAVs is mainly tonal in character, with the multiple complex tones at the harmonics of the blade passage frequency (BPF) of each rotor [ 14 , 15 , 16 , 17 , 18 ]. This can be observed in Figure 1 and Figure 3 for both of the UAVs considered in this paper.…”

Section: Drone Noisementioning

confidence: 99%

“…Sharpness, tonality and fluctuation strength have been found well correlated with rotorcraft noise annoyance [ 30 , 31 ]. In a study investigating the noise annoyance of hovering UAVs, Gwak et al [ 14 ] found that the noise annoyance of UAVs (with MTOM ranging from 113.5 g to 11 kg) was highly related to loudness, sharpness and fluctuation strength. Torija and Li [ 18 ] investigated the preference of sounds generated by a single quadcopter (DJI Phantom 3) during level flyover operations at different distances and with different payloads (to vary the operating power of the vehicle).…”

Section: Regulation and Metricsmentioning

confidence: 99%

See 2 more Smart Citations

A Psychoacoustic Approach to Building Knowledge about Human Response to Noise of Unmanned Aerial Vehicles

Torija

Clark

2021

IJERPH

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We are on the cusp of a revolution in the aviation sector, driven by the significant progress in electric power and battery technologies, and autonomous systems. Several industry leaders and governmental agencies are currently investigating the use of Unmanned Aerial Vehicles (UAVs), or “drones” as commonly known, for an ever-growing number of applications—from blue light services to parcel delivery and urban mobility. Undoubtedly, the operation of UAVs will lead to noise exposure, which has the potential to become a significant public health issue. This paper first describes the main acoustic and operational characteristics of UAVs, as an unconventional noise source compared to conventional civil aircraft. Gaps in the literature and the regulations on the noise metrics and acceptable noise levels are identified and discussed. The state-of-the-art evidence on human response to aircraft and other environmental noise sources is reviewed and its application for UAVs discussed. A methodological framework is proposed for building psychoacoustic knowledge, to inform systems and operations development to limit the noise impact on communities.

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Section: Drone Noisementioning

confidence: 99%

Section: Drone Noisementioning

confidence: 99%

Section: Regulation and Metricsmentioning

confidence: 99%

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A Psychoacoustic Approach to Building Knowledge about Human Response to Noise of Unmanned Aerial Vehicles

Torija

Clark

2021

IJERPH

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“…With the exception of the study by Rizzi, et al [ 45 ] on a fixed-wing propeller aircraft with distributed electric propulsion high-lift system, all studies assess the noise effects of multicopters (mainly quadcopters; in two studies also octocopters). So far, the maneuvers hovering [ 44 , 46 , 47 , 48 , 49 ] and straight flyover [ 44 , 45 , 48 , 50 ] were studied under different payloads, but not starts and landings. Except for Rizzi, et al [ 45 ], who used auralizations, and Callanan, et al [ 46 ], who used real drones hovering during the experiments, the studies’ acoustic stimuli were based on sound recordings.…”

Section: Drone Noise Effects On Humans: Resultsmentioning

confidence: 99%

“…Little surprising, drone noise annoyance strongly depends on the sound pressure level [ 45 , 46 , 49 , 50 ]. In this respect, drones are no exception from other transportation noise sources.…”

Section: Drone Noise Effects On Humans: Resultsmentioning

confidence: 99%

Drone Noise Emission Characteristics and Noise Effects on Humans—A Systematic Review

Schäffer

Pieren

Heutschi

et al. 2021

IJERPH

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The number of operations of Unmanned Aerial Vehicles (UAV), commonly referred to as “drones”, has strongly increased in the past and is likely to further grow in the future. Therefore, drones are becoming a growing new source of environmental noise pollution, and annoyance reactions to drone noise are likely to occur in an increasing share of the population. To date, research on drone noise emission characteristics, and in particular also on health impacts, seems scarce, but systematic overviews on these topics are missing. The objective of this study was to establish a systematic literature review on drone noise emissions and noise effects on humans. The paper presents the methodology of the systematic reviews performed separately for noise emission and noise effects, assembles current literature, gives an overview on the state of knowledge, and identifies research gaps. Current literature suggests that drone noise is substantially more annoying than road traffic or aircraft noise due to special acoustic characteristics such as pure tones and high-frequency broadband noise. A range of open questions remains to be tackled by future studies.

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Autonomous aerial robotics for package delivery: A technical review

Saunders

Saeedi

2023

Journal of Field Robotics

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Small unmanned aerial vehicles (UAVs) have gained significant interest in the last decade. More specifically these vehicles have the capacity to impact package delivery logistics in a disruptive way. This paper reviews research problems and state‐of‐the‐art solutions that facilitate package delivery. Different aerial manipulators and grippers are listed along with control techniques to address stability issues. Landing on a platform is next discussed which encompasses static and dynamic platforms. Landing on a dynamic platform presents further challenges. This includes delayed control responses and poor precision of the relative motion between the platform and the aerial vehicle. Subsequently, risks such as weather conditions, state estimation, and collision avoidance to ensure safe transit is considered. Finally, delivery UAV routing is investigated which categorizes the topic into two areas: drone operations and drone–truck collaborative operations. Additionally, we compare the solutions against design, environmental, and legal constraints.

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Sound quality factors influencing annoyance from hovering UAV

Cited by 55 publications

References 9 publications

A Psychoacoustic Approach to Building Knowledge about Human Response to Noise of Unmanned Aerial Vehicles

A Psychoacoustic Approach to Building Knowledge about Human Response to Noise of Unmanned Aerial Vehicles

Drone Noise Emission Characteristics and Noise Effects on Humans—A Systematic Review

Autonomous aerial robotics for package delivery: A technical review

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