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基于脑电信号的驾驶疲劳预报关键参数选取

Keywords: 驾驶疲劳预报,脑电信号,功率谱,BP神经网络

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Abstract:

为了实现驾驶疲劳的及时预报,利用脑电仪在模拟驾驶中采集驾驶员的脑电数据.采用功率谱估计计算不同频段波能量分布情况,确定采用delta和alpha波实现驾驶疲劳预报是可行的.为此,采用BP神经网络构建预报系统,分别对delta波、alpha波单独输入和两者同时输入时预报精度进行验证,结果表明,两者同时输入时预报效果最理想,为车载实时驾驶疲劳预警系统开发提供依据.

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