Designing and evaluating in-vehicle interfaces requires experimental platforms that combine ecological validity with experimental control. Driving simulators are widely used for this purpose. However, they face a fundamental trade-off: high-fidelity physical simulators are costly and difficult to adapt, while virtual reality simulators provide flexibility at the expense of physical interaction with the vehicle. In this work, we present MRDrive, an open mixed-reality driving simulator designed to support HCI research on in-vehicle interaction, attention, and explainability in manual and automated driving contexts. MRDrive enables drivers and passengers to interact with a real vehicle cabin while being fully immersed in a virtual driving environment. We demonstrate the capabilities of MRDrive through a small pilot study that illustrates how the simulator can be used to collect and analyze eye-tracking and touch interaction data in an automated driving scenario. MRDRive is available at: https://github.com/ciao-group/mrdrive

翻译：设计和评估车载界面需要兼具生态效度和实验控制的实验平台。驾驶模拟器因此被广泛采用。然而，它们面临一个根本性的权衡：高保真物理模拟器成本高昂且难以适配，而虚拟现实模拟器虽提供了灵活性，却牺牲了与车辆物理交互的能力。本研究提出了MRDrive，一个开源的混合现实驾驶模拟器，旨在支持手动与自动驾驶情境下车载交互、注意力及可解释性的人机交互研究。MRDrive使驾驶员和乘客能够在完全沉浸于虚拟驾驶环境的同时，与真实车辆座舱进行交互。我们通过一项小型试点研究展示了MRDrive的功能，该研究说明了如何利用该模拟器在自动驾驶场景中收集和分析眼动追踪与触摸交互数据。MRDrive可通过以下网址获取：https://github.com/ciao-group/mrdrive