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Raspberry Pi-based low-cost connected device for assessing road surface friction
ID
Ambrož, Miha
(
Author
),
ID
Hudomalj, Uroš
(
Author
),
ID
Marinšek, Alexander
(
Author
),
ID
Kamnik, Roman
(
Author
)
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MD5: 2CE80B1917B4F98765D4908F85025D07
URL - Source URL, Visit
https://www.mdpi.com/2079-9292/8/3/341
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Abstract
Measuring friction between the tyres of a vehicle and the road, often and on as many locations on the road network as possible, can be a valuable tool for ensuring traffic safety. Rather than by using specialised equipment for sequential measurements, this can be achieved by using several low-cost measuring devices on vehicles that travel on the road network as part of their daily assignments. The presented work proves the hypothesis that a low cost measuring device can be built and can provide measurement results comparable to those obtained from expensive specialised measuring devices. As a proof of concept, two copies of a prototype device, based on the Raspberry Pi single-board computer, have been developed, built and tested. They use accelerometers to measure vehicle braking deceleration and include a global positioning receiver for obtaining the geolocation of each test. They run custom-developed data acquisition software on the Linux operating system and provide automatic measurement data transfer to a server. The operation is controlled by an intuitive user interface consisting of two illuminated physical pushbuttons. The results show that for braking tests and friction coefficient measurements the developed prototypes compare favourably to a widely used professional vehicle performance computer.
Language:
English
Keywords:
data acquisition
,
skid resistance
,
friction
,
braking
,
deceleration
,
raspberry Pi
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
FS - Faculty of Mechanical Engineering
FE - Faculty of Electrical Engineering
Publication status:
Published
Publication version:
Version of Record
Year:
2019
Number of pages:
16 str.
Numbering:
Vol. 8, iss. 3, art. 341
PID:
20.500.12556/RUL-131955
UDC:
621.38(045)
ISSN on article:
2079-9292
DOI:
10.3390/electronics8030341
COBISS.SI-ID:
16531227
Publication date in RUL:
07.10.2021
Views:
711
Downloads:
151
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Record is a part of a journal
Title:
Electronics
Shortened title:
Electronics
Publisher:
MDPI
ISSN:
2079-9292
COBISS.SI-ID:
523068953
Licences
License:
CC BY 4.0, Creative Commons Attribution 4.0 International
Link:
http://creativecommons.org/licenses/by/4.0/
Description:
This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:
20.03.2019
Secondary language
Language:
Slovenian
Keywords:
zajem podatkov
,
drsna odpornost
,
trenje
,
zaviranje
,
pojemek
Projects
Funder:
Other - Other funder or multiple funders
Funding programme:
Republic of Slovenia
Funder:
EC - European Commission
Funding programme:
European Social Fund
Funder:
ARRS - Slovenian Research Agency
Project number:
P2-0109
Name:
Modeliranje v tehniki in medicini
Funder:
ARRS - Slovenian Research Agency
Project number:
P2-0228
Name:
Analiza in sinteza gibanja pri človeku in stroju
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