{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,2]],"date-time":"2026-06-02T06:28:37Z","timestamp":1780381717053,"version":"3.54.1"},"reference-count":32,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2025,4,29]],"date-time":"2025-04-29T00:00:00Z","timestamp":1745884800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Department of Transportation of Yunnan Province, China","award":["2023-121"],"award-info":[{"award-number":["2023-121"]}]},{"name":"Department of Transportation of Yunnan Province, China","award":["2022-23-3"],"award-info":[{"award-number":["2022-23-3"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Systems"],"abstract":"<jats:p>Conducting research on the effectiveness of driving simulators is of great significance for enhancing the availability of driving simulator systems. However, in risky environments, traditional methods have the limitation of making it difficult to conduct real vehicle experiments. Therefore, this study proposes a method based on driver physiological indicators to evaluate the effectiveness of driving simulators in risky environments. On the one hand, the two-dimensional extended time to collision theoretical model (2D-TTC) was used to calculate the risk degree. Then, the similarity between the risk degree and the drivers\u2019 electrocardiogram (ECG), electromyogram (EMG), and electrodermal activity (EDA) data sequences was calculated based on the dynamic time warping (DTW) model. On the other hand, we used the complexity and sample entropy of ECG and EMG as indicators to assess the drivers\u2019 physiological load. This paper used intersections as risk scenarios to conduct driving simulation experiments to verify the feasibility of the above method. It was found that changes in drivers\u2019 physiological indicators were consistent with changes in risk degree, with the DTW values of risk degree and drivers\u2019 EDA tending to become smaller and the two sequence values closer to being similar. It was also found that the complexity and the sample entropy of the driver\u2019s ECG and EMG showed higher values in the simulated poor sight intersection scenario compared to the intersection with good sight. In addition, in the simulated heavy traffic intersection scenario, physiological parameters such as EMG complexity and sample entropy, as well as ECG complexity, were higher than in the low traffic flow intersection. These findings are highly consistent with the characteristics of physiological responses in real driving environments, fully demonstrating the effectiveness of the test-driving simulation system in simulating risky traffic scenarios. The method proposed in this paper overcomes the limitations of traditional approaches and effectively validates the effectiveness of driving simulation systems in risky environments. The research results can drive further development and application of driving simulation technology.<\/jats:p>","DOI":"10.3390\/systems13050329","type":"journal-article","created":{"date-parts":[[2025,4,29]],"date-time":"2025-04-29T07:49:36Z","timestamp":1745912976000},"page":"329","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Research on the Effectiveness of Driving Simulation Systems in Risky Traffic Environments"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3791-5832","authenticated-orcid":false,"given":"Liang","family":"Chen","sequence":"first","affiliation":[{"name":"Faculty of Transportation Engineering, Kunming University of Science and Technology, Kunming 650103, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jie","family":"Fang","sequence":"additional","affiliation":[{"name":"Faculty of Transportation Engineering, Kunming University of Science and Technology, Kunming 650103, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jingyan","family":"Li","sequence":"additional","affiliation":[{"name":"Faculty of Foreign Languages and Cultures, Kunming University of Science and Technology, Kunming 650103, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiming","family":"Xie","sequence":"additional","affiliation":[{"name":"Faculty of Transportation Engineering, Kunming University of Science and Technology, Kunming 650103, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,4,29]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Caff\u00f2, A.O., Tinella, L., Lopez, A., Spano, G., Massaro, Y., Lisi, A., Stasolla, F., Catanesi, R., Nardulli, F., and Grattagliano, I. 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