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Development of ergonomic chairless chair
(UMT, Lahore, 2022) Muhammad Aizad Bilal and Syed Umer Shah
This report illustrates the use of an exoskeleton on the workers in an assembly line. It was noted that due to the frequent sit and stand motion of the workers, multiple disorders such as MSDs (Musculoskeletal disorder) were caused in the workers. This caused frequent injuries among the workers and a loss of productivity as well. To counter this, an ergonomic exoskeleton was designed. This would be attached to the lower region of the worker. The main goal of this product is to provide the worker with an alternative to a chair. This exoskeleton would be attached to the thighs of the worker via belts. The weight of the exoskeleton would be carried by the shoulders, as it would be attached through belts like a backpack all the way to the waist. Another main goal is to ensure the safety of the worker and to make it as stable as possible. The product would be lightweight and made of sturdy material. The legs would fold into a chair automatically when the worker would proceed to sit. Similarly, it would retract with the legs without any assistance when the worker stands. Risk of failure to be minimized through ergonomic analysis, fmea analysis and cause and effect diagrams.