Safety aspects for automatic guidance of agricultural machines and low-cost solutions

https://doi.org/10.17221/4959-RAECitation:Klee U., Hofmann L., Pickel P. (2003): Safety aspects for automatic guidance of agricultural machines and low-cost solutions. Res. Agr. Eng., 49: 103-109.
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Automatic steering devices for farm machinery and tractors have the task to relieve the driver from the physical and mental stress of monotonous steering work. Simultaneously, they are intended to help exploit machines and tractors closer to their full performance and improve the quality of work. However, it is not possible to rule out malfunctions or breakdowns of sensors, gaps in guidance lines, obstacles in the field such as ditches or pylons, temporary hazards like the sudden appearance of animals in front of a moving machine or a temporary lack of concentration of the operator. Most of these problems may be prevented by a safety system for automatically steered agricultural machinery developed at the Department of Agricultural Engineering of the Martin-Luther-University in Halle. The function of the components of the safety system and preliminary results obtained in field experiments are introduced and discussed.
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