Influences of multimodal redundant alarm design on reaction performance of armored vehicle crew under noise environment
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摘要:
为探究不同噪声环境下多模态告警冗余设计对装甲车乘员响应绩效的影响,招募24名被试,开展了基于某新型高保真装甲车半实物仿真平台的模拟驾驶实验。采用2种噪声环境(高噪声、低噪声)×3种告警冗余设计(视觉通道冗余设计、听觉通道冗余设计、视听双通道冗余设计)条件下的双因素被试内设计,测量了被试的告警响应操作绩效、眼动指标及NASA-TLX量表得分。实验结果显示,在听觉通道冗余设计和视听双通道冗余设计条件下,乘员对于告警信息的响应错误率和反应时均显著低于视觉通道冗余设计条件;在不同告警冗余设计下,低噪声环境下乘员对于告警信息的响应错误率显著低于高噪声环境条件,但二者反应时之间并无明显差异;对于告警响应操作绩效、眼动指标和NASA-TLX量表得分,噪声条件和告警设计模式之间的交互效应均不显著。研究表明:对于装甲车告警信息设计,与采用视觉通道冗余设计模式相比,采用增加了听觉通道冗余提示的多模态告警模式(包括听觉通道冗余设计模式和视听双通道冗余设计模式),可以显著提高乘员对于告警信息的响应操作绩效;而在听觉通道冗余设计条件下继续叠加视觉通道冗余设计,即采用视听双通道冗余设计模式,却未带来进一步的响应操作绩效增益;低噪声作业环境对于改善乘员的响应操作绩效具有积极作用。
Abstract:In order to investigate the effect of different multimodal redundant alarm design on the reaction performance of armored vehicle occupants under a noisy environment, 24 participants were recruited and subjected to simulation driving experiments utilizing a new type of high-fidelity armored vehicle semi physical simulation platform. Three alarm redundancies were tested: visual channel, auditory channel, and audio-visual dual channel designs, across high and low noise conditions. The findings demonstrate that, in comparison to the visual channel redundancies, drivers' response error rate and reaction time to warnings are substantially reduced in the auditory channel redundancies and audio-visual dual channel redundancies. The response error is generally lower in low noise environments than in high noise environments, although response time remains consistent across noise conditions. The interaction between noise conditions and alarm design does not significantly affect alarm response performance, eye movement indicators, or subjective workload scores. Comparing the multimodal alarm with redundant auditory prompts to the visual-only redundancy, the study finds that the former significantly enhances drivers' reaction to warning information. However, the combination of auditory and visual redundancy does not yield further performance improvements. A low noise environment positively influences response performance enhancement.
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Key words:
- armored vehicle /
- multimodal warning /
- noise environment /
- task performance /
- occupant /
- ergonomics
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表 1 实验变量及拉丁方设计
Table 1. Experimental variables and Latin square design
被试编号 噪声条件 告警模式 1 高 视觉 听觉 视听 低 听觉 视听 视觉 2 低 视听 视觉 听觉 高 视觉 听觉 视听 3 高 听觉 视听 视觉 低 视听 视觉 听觉 4 低 视觉 听觉 视听 高 听觉 视听 视觉 5 高 视听 视觉 听觉 低 视觉 听觉 视听 6 低 听觉 视听 视觉 高 视听 视觉 听觉 表 2 不同实验条件下的NASA-TLX量表结果
Table 2. Results of NASA-TLX subscale ratings under different experiment conditions
实验条件 总得分 脑力需求 体力需求 时间需求 工作绩效 努力程度 挫败感 视觉通道冗余-低噪声 40.38(±18.59) 9.04(±4.40) 7.29(±3.84) 8.25(±4.26) 7.79(±4.56) 9.92(±5.09) 6.88(±3.98) 听觉通道冗余-低噪声 39.35(±18.05) 8.08(±3.99) 7.42(±3.40) 8.25(±4.32) 8.04(±4.29) 9.67(±4.72) 6.38(±4.75) 视听双通道冗余-低噪声 40.55(±17.16) 8.38(±3.66) 7.13(±3.80) 7.92(±3.74) 8.29(±4.30) 9.58(±4.47) 7.38(±4.73) 视觉通道冗余-高噪声 40.33(±19.09) 8.58(±4.62) 8.38(±4.83) 8.58(±4.61) 7.08(±3.87) 10.46(±5.42) 6.83(±4.59) 听觉通道冗余-高噪声 40.04(±16.94) 8.33(±4.23) 7.17(±3.81) 9.29(±4.80) 6.88(±4.88) 10.71(±5.20) 6.13(±3.66) 视听双通道冗余-高噪声 40.16(±17.36) 8.67(±4.70) 8.04(±4.26) 8.63(±4.21) 6.96(±4.51) 10.21(±4.55) 6.83(±4.79) 注:表中数值形式为均值(均方差)。 -
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