Investigation of occupational whole-body vibration exposure among Indian tractor drivers

Singh, Amandeep; Singh, Lakhwinder; Singh, Sarbjit; Singh, Harwinder; Prakash, Chander

doi:10.1504/ijhfe.2018.10013611

Cited by 4 publications

(1 citation statement)

References 23 publications

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“…e technological developments overcame the vibration exposure among on-road vehicle drivers/passengers up to a considerable extent whereas the designers and manufacturers are devoting substantial efforts to limit vibration exposure among offroad vehicles such as tractors. Tractors are being used at both on-road and off-road terrain conditions due to their versatility [2]. As of now, the growth of the agricultural sector largely depends on the use of tractors and its mounted machinery.…”

Section: Introductionmentioning

confidence: 99%

Whole Body Vibration Exposure among the Tractor Operator during Soil Tillage Operation: An Evaluation using ISO 2631-5 Standard

Singh

Samuel

Singh

et al. 2022

Shock and Vibration

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This study is aimed at investigating the effect of various tractor ride conditions on the lumbar spine during rotavator operation. The lumbar spinal response was assessed by determining static compressive dose, i.e., Sed (8). Raw acceleration data were measured on the seat pan and seat backrest to varying tractor velocity, tillage depth, and pulling force. The field experiments have been designed using Taguchi’s L9 orthogonal array and the entire data analyzed in signal-to-noise ratios terms. The mean acceleration responses were dominant along the vertical axis and exposure levels were found beyond the exposure action value, i.e., 0.5 m/s2 as per Directive 2002/44/EU. Mean Sed (8) exceeded the limits of ISO 2631-5 indicating the probability of adverse health effects. Tractor velocity and pulling force have a significant impact on Sed (8) with a 64.43% and 27.73% percentage contribution. The FFT dominant peaks have been found in the 0.8 to 3.7 Hz frequency range. Moreover, the exact frequency of the peaks is found to be dependent on the experimental circumstances. The depicted dominant frequencies found in the range of low frequencies could lead to musculoskeletal disorders since they coincide with the natural frequencies of various parts of the body, especially in the lumbar region.

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Section: Introductionmentioning

confidence: 99%

Whole Body Vibration Exposure among the Tractor Operator during Soil Tillage Operation: An Evaluation using ISO 2631-5 Standard

Singh

Samuel

Singh

et al. 2022

Shock and Vibration

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Vibration comfort assessment of tractor drivers based on sEMG and vibration signals

Huang,

Gao,

Guo

et al. 2023

Computer Methods in Biomechanics and Biomedical Engineering

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Investigation of Compressive Stress on Lumbar Spine due to Whole Body Vibration Exposure in Rotary Tillage Operation

Singh

Nawayseh

Singh

et al. 2019

IJAME

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The aim of this study is to investigate the compressive stress on lumbar spine due to whole body vibration (WBV) exposure in real field rotary soil tillage operation. The spinal stress was evaluated in terms of daily equivalent static compression dose (Sed) with respect to various ride conditions (i.e. forward speed, pulling force and tilling depth). Taguchi's L9 orthogonal array was used to form a systematic set of experiments by varying each ride condition over three levels. Signal-to-noise (S/N) ratios were computed to analyse the holistic effect of ride conditions among all the experimental conditions. In addition, the power spectral density (PSD) of the acceleration at the seat pan was measured along the dominant axis for each experiment. A second order regression model was developed to predict the real experimental Sed response. Further, the ride conditions were optimised by using desirability technique with the aim of minimizing Sed response. The magnitude of daily equivalent static compression dose was found between 0.38 and 0.76 MPa which shows a moderate probability of an adverse health effects as per ISO2631-5: 2004. Statistically, forward speed and pulling force are found to significantly affect the Sed response with a contribution of 64.43% and 24.73%, respectively. The PSD indicated that the vibration energy of the acceleration measured on the seat pan depend on the ride conditions. The predicted response of regression model showed 4.56% error in obtaining the actual experimental values. The optimised forward speed, pulling force and tilling depth levels were found to be 0.6 m/s, 2 kN, and 0.10 m, respectively.

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Investigation of occupational whole-body vibration exposure among Indian tractor drivers

Cited by 4 publications

References 23 publications

Whole Body Vibration Exposure among the Tractor Operator during Soil Tillage Operation: An Evaluation using ISO 2631-5 Standard

Whole Body Vibration Exposure among the Tractor Operator during Soil Tillage Operation: An Evaluation using ISO 2631-5 Standard

Vibration comfort assessment of tractor drivers based on sEMG and vibration signals

Investigation of Compressive Stress on Lumbar Spine due to Whole Body Vibration Exposure in Rotary Tillage Operation

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