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Physiological effect of vibrations on tractor drivers under variable ploughing conditions
Mohammad Muzammil1, Saad S Siddiqui, Faisal Hasan
1Department of Mechanical Engineering, Ergonomics Laboratory, Faculty of Engineering & Technology, Aligarh Muslim University, India.
Journal of Occupational Health
|October 20, 2004
Summary
Tractor operator exposure to multi-axis vibration was studied. Farm equipment and vibration levels significantly impact operator stress, but field type does not, indicating a need for ergonomic tractor design.
Area of Science:
- Agricultural Engineering
- Human Factors Engineering
- Occupational Health
Background:
- Tractor operators experience complex, multi-axis vibrations affecting different body parts.
- These vibrations can lead to operator fatigue and driving-related hazards.
Purpose of the Study:
- To investigate the effects of varying vibration conditions on tractor operators.
- To analyze vibration levels during tractor operation with and without farm equipment on different field types.
Main Methods:
- Conducted test runs on wet and dry fields at various engine speeds.
- Selected three vibration levels (2.5, 3.5, and 5.0 m/s²).
- Utilized a three-factor repeated measure experimental design with five inexperienced male subjects.
Main Results:
- Farm equipment and vibration levels significantly affected operators.
- Field type (wet vs. dry) did not show a statistically significant effect.
- Operator fatigue and stress are linked to vibration exposure.
Conclusions:
- Ergonomic design is crucial to mitigate vibration-induced stress in tractor operators.
- Front loading of farm equipment is recommended to enhance operator visibility and posture.
- Further research should focus on developing vibration-dampening tractor systems.