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Ergonomic Evaluation of Mobile Work Platform Technology in Washington State Orchards
Kit Galvin, Peter Johnson,
Patrik Renyll, Richard A. Fenske
2011 National Symposium on Agriculture,Forestry and Fishing Health & Safety
29 June 2011 Boise, ID
Cooperating orchards
Agricultural workers
Research teamMaria Tchong-FrenchMaria NegretePablo PalmándezAnna Fretheim
Contributers
Northwest Tree Fruit Industry
Activities require: high level of manual labor use of ladders
Labor is the greatest
production cost
Northwest Tree Fruit Industry
Technology Roadmap decrease production costs increase orchard productivity
Major changes in tree fruit production
orchard architecture assistive technologies
Minimize the health and safety impact
Photo of fruiting wall
Goals
Evaluate ergonomic stressorsTasks
pruning green fruit thinning
Equipmentladdersself-propelled mobile platforms
Recommendations for best practices
Pruning
Green Fruit Thinning
Green Fruit Thinning
Green Fruit Thinning
Exertion
Heart rate
Borg RPE
Example: pruner HR
60
70
80
90
100
110
120
130
140
150
0:00 2:24 4:48 7:12 9:36 12:00 14:24 16:48
Work1
Work2
Work3
Rest1
Rest2
HR
Time
Hea
rt R
ate
bp
m
Upper Body
Borg Crt10 scale
Inclinometer
Next StepsComplete data analysis
Validate Borg RPE and Borg CRT10 for hispanic men and women
Evaluate vacuum
harvesting platform