It is argued that users design through the articulation of: a) the operators' activity, b) the mechanical technicians' inventory to practice bricolage as a way of designing and c) the work organisation and the existence of social spaces of interaction between these two subjects.
The mechanisation of sugarcane harvesting in Brazil has experienced significant growth. Mechanical sugarcane harvesters have been rapidly improving to meet the demands of the industry. Operating a harvester machine requires knowledge and competence. This article aims to demonstrate the role of the operator competence in carrying out their task and in the quality of their performance. By applying the Ergonomic Work Analysis (EWA), the activity in an actual work situation was described, and the basic competencies required for satisfactory operation were identified. The primary operator competencies consist of performing the adjustment of the machine; operating the machine on a slope and on uneven ground; harvesting different types of cane; operating at night; avoiding damage, diagnosing problems and performing repairs on the machine; and performing multiple tasks.
The present paper conducts a comparative analysis of the operation of sugarcane harvesting machines in their original place of design (Australia) and in a recipient country of this technology (Brazil). The method comprised Ergonomic Work Analysis (EWA) and the assumptions of anthropotechnology proposed by Wisner. The results achieved depict the similarities and differences between the two countries regarding: (a) the work organization and harvesting practices, (b) the harvesting strategies of the teams, and (c) the design modifications performed in the harvesting machines. The differences of how the machines were operated in both countries were identified, such as sloping grounds and amount of working hours, which lead to structural modifications in Brazilian machines. Thus, the design-in-use to adapt a technology to local conditions is crucial when there is inadequate technology transfer. The anthropotechnological approach proved to be relevant to understand all the broader factors causing difficulties in a technology transfer process.
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