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Psychoacoustic characteristics of different brake creep groan classes and their subjective noise annoyance in vehicle and half‑axle tests
ID
Huemer-Kals, Severin
(
Avtor
),
ID
Tóth, Máté
(
Avtor
),
ID
Prezelj, Jurij
(
Avtor
),
ID
Zacharczuk, Martin
(
Avtor
),
ID
Fischer, Peter
(
Avtor
),
ID
Häsler, Karl
(
Avtor
)
PDF - Predstavitvena datoteka,
prenos
(4,95 MB)
MD5: 355EA41EAAE033A795521C5296B0AD7F
URL - Izvorni URL, za dostop obiščite
https://link.springer.com/article/10.1007/s41104-023-00127-x
Galerija slik
Izvleček
Brake creep groan is a severely annoying noise and vibration phenomenon. Especially on the Asian market, customer feedback about creep groan is common, indicating creep groan’s impact towards the quality impression of a car. Hence, treatment of these stick–slip-related creep groan phenomena is necessary. As numerous design conflicts exist for brake and axle, a complete mitigation of the phenomenon is often not possible. A reduction of creep groan’s annoyance by changing the noise’s level and characteristics is therefore typically aspired. One approach towards this goal could include the usage of psychoacoustics: This work deals with psychoacoustic characteristics of different creep groan classes. Low-frequency groan, high-frequency groan, and transition groan classes are compared regarding loudness, sharpness, roughness, fluctuation strength, and tonality. Standard statistic methods as well as machine learning approaches are applied on signals from vehicle tests and half-axle tests. Test results depict the different characteristics of each creep groan class. By mapping the results to the subjective rating of trained test drivers, the annoyance of different classes is compared. Low-frequency groan, dominated by longitudinal axle vibrations, is found to be least annoying. This low annoyance is best depicted by the psychoacoustic parameters loudness and roughness. Presented results allow an optimization of brake system design to reduce creep groan’s annoyance, leading to higher customer satisfaction and a more goal-oriented treatment of this NVH problem.
Jezik:
Angleški jezik
Ključne besede:
creep groan
,
psychoacoustics
,
disk brakes
,
signal processing
,
subjective annoyance
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
FS - Fakulteta za strojništvo
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Leto izida:
2023
Št. strani:
Str. 55–71
Številčenje:
Vol. 8
PID:
20.500.12556/RUL-152814
UDK:
534:629.3
ISSN pri članku:
2365-5135
DOI:
10.1007/s41104-023-00127-x
COBISS.SI-ID:
148133891
Datum objave v RUL:
07.12.2023
Število ogledov:
499
Število prenosov:
30
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Objavi na:
Gradivo je del revije
Naslov:
Automotive and engine technology
Založnik:
Springer
ISSN:
2365-5135
COBISS.SI-ID:
114467843
Licence
Licenca:
CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:
http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:
To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
psihoakustika
,
hrup zavor
,
digitalna obdelava signalov
Projekti
Financer:
Drugi - Drug financer ali več financerjev
Program financ.:
Graz University of Technology
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