铁路道口报警信号中紧急感知的预测模型:阿根廷的发展和应用

IF 3.4 2区 物理与天体物理 Q1 ACOUSTICS
Iván Kaspierowicz, Shin-ichi Sato
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引用次数: 0

摘要

本研究开发了铁路道口报警信号感知紧迫性的预测模型,重点关注频率和时间变量。使用不完全两两比较矩阵进行了两个主观测试,以评估这些变量的影响。在第一次测试中,基音和谐波衰减作为频率相关因素进行测试,而在第二次测试中,速度和攻击时间作为时间相关因素进行评估。对于每个测试,将根据布宜诺斯艾利斯使用的警报声音生成9个合成警报信号。结果表明,所有四个变量都显著影响感知紧迫性,其中时间变量的影响强于频率变量。多元回归分析表明,较高的谐波幅值和较高的音高增强了感知紧迫性,其中谐波衰减起更大的作用。同样,更快的速度和更短的攻击时间也会提高紧迫感,这两个变量的贡献几乎相等。基于这些发现,该研究提出了优化的警报配置,以最大限度地提高感知紧迫性,同时遵守阿根廷的规定。这些见解强调了改进警报设计以提高铁路道口安全的机会。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Predictive models for urgency perception in railway crossing alarm signals: Development and applications for Argentina
This study develops predictive models for the perceived urgency of railway crossing alarm signals, focusing on both frequency and temporal variables. Two subjective tests using incomplete pairwise comparison matrices are conducted to evaluate the effects of these variables. In the first test, pitch and harmonic attenuation are examined as frequency-related factors, while in the second test, speed and attack time are assessed as temporal factors. For each test, nine synthetic alarm signals are generated based on the alarm sounds used in Buenos Aires. The results demonstrate that all four variables significantly influence perceived urgency, with temporal variables exerting a stronger effect than frequency variables. Multiple regression analyses reveal that higher harmonic amplitudes and increased pitch enhance perceived urgency, with harmonic attenuation playing a more dominant role. Similarly, faster speeds and shorter attack times heighten perceived urgency, with nearly equal contributions from both variables. Based on these findings, the study proposes optimized alarm configurations to maximize perceived urgency while adhering to Argentinean regulations. These insights highlight opportunities for improved alarm design to enhance safety at railway crossings.
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来源期刊
Applied Acoustics
Applied Acoustics 物理-声学
CiteScore
7.40
自引率
11.80%
发文量
618
审稿时长
7.5 months
期刊介绍: Since its launch in 1968, Applied Acoustics has been publishing high quality research papers providing state-of-the-art coverage of research findings for engineers and scientists involved in applications of acoustics in the widest sense. Applied Acoustics looks not only at recent developments in the understanding of acoustics but also at ways of exploiting that understanding. The Journal aims to encourage the exchange of practical experience through publication and in so doing creates a fund of technological information that can be used for solving related problems. The presentation of information in graphical or tabular form is especially encouraged. If a report of a mathematical development is a necessary part of a paper it is important to ensure that it is there only as an integral part of a practical solution to a problem and is supported by data. Applied Acoustics encourages the exchange of practical experience in the following ways: • Complete Papers • Short Technical Notes • Review Articles; and thereby provides a wealth of technological information that can be used to solve related problems. Manuscripts that address all fields of applications of acoustics ranging from medicine and NDT to the environment and buildings are welcome.
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