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Powered exoskeletons are a kind of wearable robotics system attached outside the limbs, providing additional force for the limbs, which plays an important role in limb rehabilitation and patient assistance. As the patient gradually recovers, the patient’s gait will change over time. Therefore, the author hopes to get real-time gait data from patients in order to provide medical guidance and help the patients recover better. Inspired by the real-time monitoring of industrial robots, the author puts forward a method of medical monitoring using digital twin onto powered exoskeletons. For cost reasons, the author uses commercially available sensors to build this system. Further, the author fabricates a demonstration system for the exoskeleton to achieve this goal together with collecting and analyzing the data.

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Three-dimensional holographic display can provide more possibilities for the human-machine interaction in the future smart cockpit. In this paper, potential application scenarios and interaction principles of holographic display in the future automotive cockpits are predicted. VACP model is utilized to validate the interaction principles, based on the analysis and evaluation of existing and potential cutting-edge holographic display technologies. Two application patterns are set up: before 2040, the role of driver still exists; due to the development of automated driving technology, participants will include only passengers after 2040, which means different interaction models and logics. After 2040, direct air projection technology will be applied, which is medium-free and with better interactive performance. Based on proposed principles, models as well as a series of user survey, application scenarios in the future cockpit are assumed. Through systematic technical analysis by cooperating with a prominent automobile OEM and other related industrial cooperators, this paper provides the principles and application concepts of holographic display in the future cockpit, and obtains the evaluation and test methods for holographic display technologies in these concepts at the same time.