Human hand-transmitted vibration measurements on pedestrian controlled tractor operators by a laser scanning vibrometer

Article Abstract:

It has been possible to develop and apply a measurement technique to assess vibration transmitted to the hands of a person operating an agricultural machine while working in a fixed position. This technique, based on the use of a laser scanning vibrometer, has indicated that acceleration measured by an accelerometer located on the handle bars usually underestimates the vibration levels transmitted to the hand. Acceleration remains constant during the measurements of hand skin vibration in different points.

Measurement, Prevention, Vibration syndrome, Vibration, Vibration (Physics)

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Safe operation as a social construct

Article Abstract:

There are wide range of studies of safe operation in social psychology, organization studies, human error analysis, and cognitive science literatures. However it is mostly descriptive of the process of risk and error than of safety as defined in terms other than risk management and error avoidance. A broader definition of safety is set out and it is argued that wider range of constructivist social approaches are needed to advanced

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