肺部振动动刺激的感知强度:压力,频率和度的影响
IEEE transactions on haptics
|December 25, 2025
概括
软气动执行器,称为气动单元细胞 (PUCs),用于研究振动强度. 压力,频率和刚度显著影响感知强度,压力和频率显示出积极的影响.
科学领域:
- 触觉和人机交互的人机交互
- 生物医学工程 生物医学工程
- 感知科学 感知科学 感知科学
背景情况:
- 振动感应执行器是触觉反系统的关键组件,通常在游戏控制器和智能手机等设备中发现.
- 传统的振动驱动器通常由刚性材料制造,限制了设计灵活性和潜在的应用.
- 软执行器为新的触觉接口提供了一个有希望的替代方案,但它们的感知特征需要彻底调查.
研究的目的:
- 描述软气动执行器 (Pneumatic Unit Cells - PUCs) 发出的振动刺激的感知强度.
- 研究刺激压力,通胀-通胀频率和执行器刚度对振动感知的影响.
- 了解这些参数在调节用户感官体验中的相互作用.
主要方法:
- 使用软气动执行器 (PUC) 具有不同的顶层厚度 (0.9毫米和1.2毫米),以调整执行器刚度.
- 对16名参与者进行了心理物理实验,使用AEPsych工具箱测量感知到的振动强度.
- 系统地改变刺激压力 (430 kPa) 和通胀-通缩频率 (20100 Hz),以评估它们的感知效应.
主要成果:
- 所有三个研究的参数 - - 压力,频率和执行器刚度 - - 都显著影响了感知到的振动强度.
- 压力和频率都显示出对感知强度的积极主效应和积极相互作用效应.
- 压力变化产生了比在其他参数的恒定水平的频率变化更明显的感知刺激.
- 与较为硬的执行器相比,较不硬的PUC执行器导致感知到的刺激强度较低.
结论:
- 软气动执行器 (PUC) 可以有效地产生振动刺激,为刚性执行器提供可调节的替代方案.
- 刺激压力,频率和执行器刚度是共同调节振动感知的关键因素.
- 研究结果为设计下一代触觉设备提供了宝贵的见解,这些触觉设备具有基于软执行器的优化反.
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