This chapter presents the ergonomic assessment of a typical shelf filling task performed by the store clerk. The proposed methodology is based on a robust design approach, which considers all the main factors that have influence on the ergonomic assessment of a typical refilling operation. The ergonomic assessment is based on two ergonomic indices, one specific for establishing the ergonomically optimal working height for lifting, and one specific for selecting the refilling process modality which minimises the clerks’ effort. The research work has been performed using both virtual simulations and real laboratory experiments. The goal is to provide input to a suitably designed robotic handling unit encapsulating a standard supermarket trolley. The handling unit consists in a suitable SCARA-like arm and two actuated trays, which allow to serve the cases with the products contained in the trolley at an ergonomic height for the clerks, with the aim of reducing refilling-related musculoskeletal disorders and thus improve clerks’ health and wellbeing.
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