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Wyświetlanie 1-2 z 2
Tytuł:
Development of an electric tricycle for service companies and last-mile parcel delivery
Autorzy:
D’hondt, Jordi
Juwet, Marc
Demeester, Eric
Slaets, Peter
Powiązania:
https://bibliotekanauki.pl/articles/2203897.pdf
Data publikacji:
2022
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
cargo bike
tricycle
QFD method
e-commerce
rower towarowy
rower trójkołowy
metoda QFD
Opis:
In many city centres and some large urban areas, access restrictions are imposed on trucks and vans. On the other hand, the number of e-commerce packages to be delivered daily is increasing rapidly, and service companies of all kinds also have to serve their customers in these areas. The use of cargo bikes is seen as a possible solution. The direct reason for this research is the observation that there is still room for a new type of cargo bike that meets the needs of the outlined target groups. This article summarises how the quality function deployment (QFD) method has been used for the systematic development of an electric cargo tricycle that meets these needs. The developed tricycle distinguishes itself from existing cargo bikes mainly by its loading capacity, stability and manoeuvrability. The prototype tests performed by professional couriers were so positive that a pilot series was built.
Źródło:
Transport Problems; 2022, 17, 2; 175--187
1896-0596
2300-861X
Pojawia się w:
Transport Problems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development of a low-cost measurement system to determine 3-dimensional pedal loads during in-situ cycling
Autorzy:
Dieltiens, Sien
d’Hondt, Jordi
Juwet, Marc
Versteyhe, Mark
Powiązania:
https://bibliotekanauki.pl/articles/374007.pdf
Data publikacji:
2019
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
cycling loads
sensor
instrumented pedal
3-component load cell
pedal patterns
global regression method
strain gauge
obciążenia rowerowe
czujnik
oprzyrządowanie na pedał
czujnik tensometryczny 3-komponentowy
wzór pedałów
metoda regresji globalnej
czujnik tensometryczny
Opis:
As increasingly more bicycles are equipped with electrically powered pedal assistance, they can become the solution for the continuous congestion that threatens Europe. Pedal assistance decreases the effort, though cyclists often experience sores that occur at the low back, knees and bottom area. The risk of injuries is predominantly determined by the pedal technique, which is highly dependent of bicycle design, seat type and cycling posture. The optimal cycling technique and the relation to the bicycle characteristics needs to be discovered to create guidelines for bicycle construction and usage. This paper presents the design of a low-cost measurement system to analyse three-dimensional pedal loads in function of the pedal cycle by an instrumented pedal and an absolute encoder fixated on the crank. The pedal proposed is a combination of a unique steel sensor with twelve sensor regions, organized in four full Wheatstone bridges, installed on a standard pedal spindle. The pedals are calibrated with the Global Regression method acquiring a calibration matrix with a standard error percentage of full scale of maximum 0.5%. The instrumented pedal distinguishes itself from state-of-the-art techniques through (i) compatibility: it fits on every conventional bicycle, (ii) compactness: not influencing the cycling kinematics, (iii) broad applicability: it is applicable for in-situ measurements with extreme manoeuvres and (iv) accuracy: it delivers a relative high accuracy in relation to the production precision and production costs.
Źródło:
Transport Problems; 2019, 14, 4; 151-159
1896-0596
2300-861X
Pojawia się w:
Transport Problems
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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