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Analysis of haptic interaction between Limbs in operations of vehicular driving interfaces

机译：车辆驾驶界面操作中肢体之间的触觉交互作用分析

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The advanced driver support system, including a by-wire system, has been studied to further improve safety and performance in driving an automobile. However, such systems have a possibility to cause the discomfort in the operation of driving interfaces because of unexpected supports to limbs' motion, the timing of support gap for a human driver, and so on. For such situations, a human-centric design based on human factors would be one of effective methodologies in developing an intelligent driving interface. Although a human driver usually manipulates his/her limbs simultaneously according to driving situations, evidences of haptic differences and interaction between the limbs in the operation of driving interfaces are still lacking to further improve driving comfort and safety. This study analyzes such human haptic factors in driving operations by the limbs with the originally developed laboratory driving simulator using mechatronic devices. Experimental results using ten healthy subjects (male university students) demonstrate the following two major points: 1) the perceived force magnitudes in steering by the limbs (limb) were equivalent to approximately 80 % (50 %) of the perceived force magnitudes in pedaling by the foot; and 2) the force perception properties for two pedals with different operational properties influenced each other in change-pedal operations.
机译：为了进一步提高驾驶汽车的安全性和性能，已经研究了包括线控系统在内的高级驾驶员辅助系统。然而，由于对肢体运动的意外支撑，对驾驶员的支撑间隙的定时等，这样的系统有可能引起驾驶接口的操作不舒适。对于这种情况，基于人为因素的以人为本的设计将是开发智能驾驶界面的有效方法之一。尽管驾驶员通常根据驾驶情况同时操纵他/她的四肢，但是仍缺乏在驾驶界面的操作中四肢之间的触觉差异和相互作用的证据，以进一步提高驾驶舒适性和安全性。这项研究使用最初开发的使用机电一体化设备的实验室驾驶模拟器来分析肢体驾驶操作中的此类人类触觉因素。使用十名健康受试者（男大学生）进行的实验结果证明了以下两个要点：1）肢体（肢体）操纵时的感知力大小大约等于肢体转向中感知力大小的80％（50％）。脚踩; 2）具有不同操作特性的两个踏板的力觉特性在变更踏板操作中会相互影响。

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