Optimising the efficiency of olive harvesting considering operator safety

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Abstract

Mechanical-assisted harvesting of olives, which is carried out using hand-held harvesting units that detach the drupes through vibration supplied by electric motor or combustion engines, is a widespread method used in southern Italy. Such machines are able to harvest more than 80% of the overall quantity of olives available per tree in 5–10 min, but their performance is influenced by several factors related to the mechanical characteristics of the device and to the features of the trees. Here the problem of optimising harvesting efficiency whilst minimising the health risks to the operators is investigated, with the aim of demonstrating that it is possible to determine an optimum harvesting time which is a compromise between the harvesting efficiency and the operator safety. The quantity of harvested olives and the vibration dose received by the operator was measured simultaneously in specifically designed field tests. Vibration levels were determined by means of the SHAVE (safe hand arm vibration exposure) system, employed as a dosimeter capable of measuring the vibration level transmitted to the hand-arm system, applying the specified frequency weighting, processing the three axes of vibration data, and computing the vibration dose continuously for 8 h. By relating the time spent by the operator using the portable shaker (h), the quantity of harvested olives (kg h −1 ) and the level of exposure to vibrations (m s −2 ), an efficient management strategy for the team of operators was obtained that complied with the safety requirements for the workers involved.
Lingua originaleEnglish
pagine (da-a)15-24
Numero di pagine10
RivistaBiosystems Engineering
Volume185
Stato di pubblicazionePublished - 2019

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Olea
Vibration
vibration
safety
Safety
hands
Hand
Dosimeters
Health risks
Electric motors
Arm
electric motors
stone fruits
Engines
engines
dosage
combustion
health risk
Italy
Processing

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Food Science
  • Animal Science and Zoology
  • Agronomy and Crop Science
  • Soil Science

Cita questo

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title = "Optimising the efficiency of olive harvesting considering operator safety",
abstract = "Mechanical-assisted harvesting of olives, which is carried out using hand-held harvesting units that detach the drupes through vibration supplied by electric motor or combustion engines, is a widespread method used in southern Italy. Such machines are able to harvest more than 80{\%} of the overall quantity of olives available per tree in 5–10 min, but their performance is influenced by several factors related to the mechanical characteristics of the device and to the features of the trees. Here the problem of optimising harvesting efficiency whilst minimising the health risks to the operators is investigated, with the aim of demonstrating that it is possible to determine an optimum harvesting time which is a compromise between the harvesting efficiency and the operator safety. The quantity of harvested olives and the vibration dose received by the operator was measured simultaneously in specifically designed field tests. Vibration levels were determined by means of the SHAVE (safe hand arm vibration exposure) system, employed as a dosimeter capable of measuring the vibration level transmitted to the hand-arm system, applying the specified frequency weighting, processing the three axes of vibration data, and computing the vibration dose continuously for 8 h. By relating the time spent by the operator using the portable shaker (h), the quantity of harvested olives (kg h −1 ) and the level of exposure to vibrations (m s −2 ), an efficient management strategy for the team of operators was obtained that complied with the safety requirements for the workers involved.",
keywords = "Agronomy and Crop Science, Animal Science and Zoology, Control and Systems Engineering, Food Science, Hand-held shaker, Mechanical harvest, Olive, Operator safety, Soil Science",
author = "Giuseppe Aiello and Pietro Catania and Mariangela Vallone",
year = "2019",
language = "English",
volume = "185",
pages = "15--24",
journal = "Biosystems Engineering",
issn = "1537-5110",
publisher = "Academic Press Inc.",

}

TY - JOUR

T1 - Optimising the efficiency of olive harvesting considering operator safety

AU - Aiello, Giuseppe

AU - Catania, Pietro

AU - Vallone, Mariangela

PY - 2019

Y1 - 2019

N2 - Mechanical-assisted harvesting of olives, which is carried out using hand-held harvesting units that detach the drupes through vibration supplied by electric motor or combustion engines, is a widespread method used in southern Italy. Such machines are able to harvest more than 80% of the overall quantity of olives available per tree in 5–10 min, but their performance is influenced by several factors related to the mechanical characteristics of the device and to the features of the trees. Here the problem of optimising harvesting efficiency whilst minimising the health risks to the operators is investigated, with the aim of demonstrating that it is possible to determine an optimum harvesting time which is a compromise between the harvesting efficiency and the operator safety. The quantity of harvested olives and the vibration dose received by the operator was measured simultaneously in specifically designed field tests. Vibration levels were determined by means of the SHAVE (safe hand arm vibration exposure) system, employed as a dosimeter capable of measuring the vibration level transmitted to the hand-arm system, applying the specified frequency weighting, processing the three axes of vibration data, and computing the vibration dose continuously for 8 h. By relating the time spent by the operator using the portable shaker (h), the quantity of harvested olives (kg h −1 ) and the level of exposure to vibrations (m s −2 ), an efficient management strategy for the team of operators was obtained that complied with the safety requirements for the workers involved.

AB - Mechanical-assisted harvesting of olives, which is carried out using hand-held harvesting units that detach the drupes through vibration supplied by electric motor or combustion engines, is a widespread method used in southern Italy. Such machines are able to harvest more than 80% of the overall quantity of olives available per tree in 5–10 min, but their performance is influenced by several factors related to the mechanical characteristics of the device and to the features of the trees. Here the problem of optimising harvesting efficiency whilst minimising the health risks to the operators is investigated, with the aim of demonstrating that it is possible to determine an optimum harvesting time which is a compromise between the harvesting efficiency and the operator safety. The quantity of harvested olives and the vibration dose received by the operator was measured simultaneously in specifically designed field tests. Vibration levels were determined by means of the SHAVE (safe hand arm vibration exposure) system, employed as a dosimeter capable of measuring the vibration level transmitted to the hand-arm system, applying the specified frequency weighting, processing the three axes of vibration data, and computing the vibration dose continuously for 8 h. By relating the time spent by the operator using the portable shaker (h), the quantity of harvested olives (kg h −1 ) and the level of exposure to vibrations (m s −2 ), an efficient management strategy for the team of operators was obtained that complied with the safety requirements for the workers involved.

KW - Agronomy and Crop Science

KW - Animal Science and Zoology

KW - Control and Systems Engineering

KW - Food Science

KW - Hand-held shaker

KW - Mechanical harvest

KW - Olive

KW - Operator safety

KW - Soil Science

UR - http://hdl.handle.net/10447/352243

UR - https://www.sciencedirect.com/science/article/pii/S1537511018308171

M3 - Article

VL - 185

SP - 15

EP - 24

JO - Biosystems Engineering

JF - Biosystems Engineering

SN - 1537-5110

ER -