Abstract
This study aimed to explore the challenges faced by persons with intellectual and developmental disabilities in operating a harvester equipped with a driving direction correction system, which by using a global navigation satellite system instruct the driver to the correct driving route if the driver deviates from the preset driving route, and to examine the difficulty of operation and its impact on safety, with the aim of finding clues for improving the machine and its operation method. The results suggested that the installation of the system makes the disabled person’s gaze point appear while operating the mower, thereby improving safety. In addition, since there was no difference in the number of gaze points between disabled and able-bodied people with the system installed, it was suggested that disabled people may operate the mower with the same level of attention as able-bodied people. In addition, the group with a high attention score moved their eyes less while operating the mower, which may allow them to operate it more safely. Since the results of this study are based on a small amount of data, it is necessary to continue accumulating data and proceed with improving the system and developing appropriate operation methods.
