Abstract
Evaluation of physical driver fatigue while driving is important issue to realize safe and comfortable driving. Therefore, studies about fatigue on sitting of the driver. However, they are often focused on material of sheat. Therefore we focused on seat of car with the lumber support in this study. At first we evaluated physical fatigue of driver by using a driving simulator. We use the evaluation technique based on finger photoplethysmogram of biological information. It has been found that the lumber support reduce the driver fatigue. As a result, the effectiveness of the lumbar support has been confirmed.
