ユーザ志向を考慮した自動車補修オプションの製品価値・環境負荷・コストの観点による適合性評価

（エンジン，バンパーへの適用）

抄録

Repairing products using recycled parts, such as rebuilt and reused parts, has low environmental impact and cost. However, the product value may be inferior to that of replace the car or repair by a new part. Thus, it is difficult to determine which repair option is most appropriate for a user when comprehensively considering the three perspectives of “product value,” “environmental impact,” and “cost.” This study uses a questionnaire to suggest which of four options: “repair by a reused part,” “repair by a rebuilt part,” “repair by a new part,” and “replace the car” in the event of a car breakdown is most appropriate for users from the view point of product value, environmental impact, and cost. Particularly, by analyzing and evaluating users’ respective values for their cars through a questionnaire, we propose an evaluation method to suggest repair options that are appropriate for each user. This paper discusses the effectiveness of the proposed evaluation method using the engine repair of a Kei car and SUV, and the bumper repair of Kei car and SUV as a case study.