Ergonomic Evaluation of Simulated Apple Hand Harvesting by Using 3D Motion Analysis

Yıl 2020, Cilt: 57 Sayı: 2, 249 - 256, 30.06.2020

Erdal Öz , Martina Jakob

https://doi.org/10.20289/zfdergi.650787

Cited By: 2

Öz

Objective:
This study was conducted with the aim of using 3D motion analysis system to
reveal ergonomic exposures while apple hand picking.

Material
and Method:  The study was carried
out in the ergonomics laboratory located at ATB (Leibniz Institute for
Agricultural Engineering and Bioeconomy Potsdam e.V.) in Germany with an artificial
dwarf apple tree. Body postures, especially upper arm elevation, were determined
by a 3D motion capture system. Evaluations were made according to ISO 11266
standard and RULA classification.

Results:
Average upper arm elevation changed between 27.86⁰ and 33.60⁰.
Time spent with elevated arm above 20⁰ which is the base limit
suggested by standards was found significant for entire experiments as 77%on average of the process time. It was estimated that 5 to 6 hours may be
spend within 8 hours shift per day with elevated arms more than 20⁰.

Conclusions:
 More detailed information was obtained in
comparison to observational methods. This technique allows the determination of
exact values of the arm positions depending on time intervals. It can also be
used to determine other awkward postures such as trunk and head inclination and
for any other work process. 

Anahtar Kelimeler

apple; posture; upper arm; ergonomics; 3-D motion

Kaynakça

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