Houtsma Adrianus J M, Keuning Hilde
U.S. Army Aeromedical Research Laboratory, Bldg 6901, Ft Rucker, AL 36362, USA.
Stud Health Technol Inform. 2006;119:207-12.
This study investigates facilitation of a manual target acquisition task by the application of appropriate force feedback through the control device (e.g., mouse, joystick, trackball). Typical manual movements with these devices were measured, and models of such movements were used to predict an intended target location from an initial portion of a trace. Preferred shapes and sizes for feedback force functions to be applied were empirically determined by collecting preference ratings and measuring task completion times. The general experimental task that is typical for an office situation, but findings appear generalizable to some medical and surgical situations (e.g. laparoscopy, catheterization) where a certain target has to be reached whose precise location may be known or unknown.
本研究通过控制设备（如鼠标、操纵杆、轨迹球）施加适当的力反馈，来探究其对手动目标获取任务的促进作用。测量了使用这些设备时的典型手动动作，并利用此类动作模型从轨迹的初始部分预测目标位置。通过收集偏好评分并测量任务完成时间，凭经验确定了要施加的反馈力函数的首选形状和大小。这是一个办公室环境中典型的常规实验任务，但研究结果似乎也适用于某些医疗和外科手术场景（如腹腔镜检查、导管插入术），即必须到达某个特定目标，而该目标的精确位置可能已知也可能未知。
