Abstract
The paper describes a propose interdisciplinary approach for improving working conditions in production systems. The proposed approach has been customized and apply in the case of a lean production system in order to demonstrate its efficiency and effectiveness. The research approach and its associated methodology consists of three stages: (1) a qualitative research using the Grounded Theory, which provide a theoretical model on the the employees behavior within the analyzed lean production system; (2) a quantitative research, survey based on a designed questionnaire, for the investigation of the motivation – satisfaction relation; (3) a quantitative research for the ergonomic risk assessment associated with repetitive upper limb movements (that are dominant in the case of the assembly line that has been studied) using the OCRA method for the improvement of the workers stress. The research results contribute to the knowledge development and to the the diminishing of the occupational hazards and generating workplace wellbeing.
Highlights
In the last years, ergonomics approach has extended its interdisciplinarity including knowledge management approaches, occupational health and safety, risk management and organizational psychology and sociology perspectives [1]
The research approach consists of: (1) a qualitative research using the Grounded Theory, which provide a series of interdependencies on the dimensions associated with the behavior of employees and managers within the analyzed lean production system; (2) a quantitative research based on a designed questionnaire, applied to human operators of the production system for the investigation of the motivation – satisfaction relation; (3) a quantitative research for the ergonomic risk assessment associated with repetitive upper limb movements using the OCRA method for the improvement of the workers stress
The research approach has proved that ergonomic intervention combined with occupational health and safety (OHS) and organizational psychology and sociology methods can be efficient in the characterization of human operators’ occupational behavior and create workplace wellbeing in production systems
Summary
Ergonomics approach has extended its interdisciplinarity including knowledge management approaches, occupational health and safety, risk management and organizational psychology and sociology perspectives [1]. Participatory ergonomics requires more attention to be payed to organizational psychology and sociology in human behavior characterization. This approach is always supported effective improvement measures development and implementation by human resources specialists in industrial companies [7, 8, 9, 10]. The practical “exploitation” of the proposed framework has contributed to the development of the measures to improve human operator activity by increasing motivation and satisfaction at the workplace, simultaneously with the diminishing of the ergonomic risks and work stress. The conclusions of the research underline the usefulness of an interdisciplinary research on solving complex human operators or human resources problems
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