阿法纳生物完成A轮融资首关 国中资本、合肥产投集团联合领投
阿法纳生物完成A轮融资首关 国中资本、合肥产投集团联合领投触觉显示原型可同时改变软硬程度和表面温度
在虚拟环境里触摸物体，皮肤会同时感到温度与软硬，分别模拟两种感觉的设备难以呈现它们的组合。研究团队制成一款触觉显示原型，利用颗粒堵塞效应调节刚度，再用加热或冷却的水传递热量。这两套机构集成在同一接触表面，因此可以分别考察手指接触处的机械反馈和温度变化。 Joshua Brown等人的这项研究收录在11月6日更新的计算机科学预印本列表中。
机械测试显示，原型可控制刚度增加约300%。热学测量覆盖10至50摄氏度，测试表面温度较为均匀，闭环控制相对设定温度的误差约为0.2摄氏度。作者把感知研究、医学模拟和情感触觉列为可能的应用方向。公开结果描述的是原型能达到的物理指标，温度与刚度的组合能否使不同使用者产生相同感受，还需要另外的人体感知验证。
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