关键词: 公交车座椅；舒适性；人机工程学；体压分布；主观评价；客观评价

Abstract: This paper introduces the concept of comfort to study and analyze the comfort of bus seats and discusses the seat comfort from the two aspects of physiological comfort and psychological comfort, investigates and analyzes the uncomfortable feeling of bus seats when people take a bus, and probes into the factors that may affect seat comfort. In the study, ergonomics related knowledge is used to study and analyze the application of human body size in seat size from a scientific point of view, and the level of psychological comfort is analyzed through the introduction of Maslow's demand model. Factors affecting the seat comfort of subjective and objective evaluation, subjective assessment scale, selected percentile human body 5%～95% reviewers questionnaire investigation, and summarizes the key factors influencing the seat comfort, cushion pressure distribution experiments, analysis of posture to chair the body pressure distribution, to verify the result of subjective evaluation is reasonable. The data show that the height of seat and chair surface has a great influence on comfort, which is unified with the subjective evaluation results, and the subjective and objective evaluation results are in good consistency.The evaluation index is reasonable, which provides a deeper understanding of the factors affecting seat comfort, and provides a direction for subsequent research.

Key words: Bus seat; Comfort; Ergonomics; Body pressure distribution; Subjective evaluation; Objective evaluation