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通过主观报告和面部肌肉活动通过形状记忆合金手臂袖产生的情感触摸评估
IEEE transactions on haptics
|March 3, 2025
概括
这项研究表明,形状记忆合金 (SMA) 臂套可以创造愉快的触摸感觉. 强度和重叠的最佳设置增强感知连续性和积极影响,指导未来的触觉设备设计.
科学领域:
- 触觉和人机交互的人机交互
- 情感计算是一种情感计算.
- 机器人技术和执行器
背景情况:
- 现实的社交触摸激活是人机交互的一个重大挑战.
- 已知 C-触觉 (CT) 的最佳速度 (3-4.5 cm/s) 会引起令人愉快的情感反应.
- 形状记忆合金 (SMA) 执行器为动态触摸染提供了潜力.
研究的目的:
- 为了评估基于SMA的手臂袖,以激活社交触摸模式.
- 研究触摸强度和重叠对感知触摸连续性和强度的影响.
- 测量与模拟触摸过程中愉悦感相关的心理生理反应.
主要方法:
- 一个SMA手臂袖被用来产生不同强度 (238-340mA) 和重叠 (0-375 ms) 的抚摸和敲击模式.
- 21名参与者评价了触摸模式的感知连续性和强度.
- 面部电肌图 (EMG) 测量了肌主要肌肉活动,作为积极影响的心理生理学指标.
主要成果:
- 更高的启动强度 (340 mA) 显著增加了跨重叠条件的感知连续性的差异 (p < .001).
- 最高的连续性评级是在最大强度下达到375ms的重叠.
- 与其他条件相比,这种最佳参数组合也引起了明显更高的积极影响 (EMG活性) (p < .001).
结论:
- 研究结果表明,SMA执行器可以有效地呈现情感触摸,引发愉快的心理生理反应.
- 感知连续性和积极影响显示出正相关性,突出显示了平滑,连续触摸的重要性.
- 这项研究为设计能够呈现情感触摸的触觉设备建立了一个心理生理学信息的基准.
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