Suraj Suman, Pranav Mamidanna, Jimmy Jessen Nielsen, Federico Chiariotti, Cedomir Stefanovic, Strahinja Dosen, Petar Popovski
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引用次数: 0
Abstract
The emergence of low-latency wireless connectivity has opened significant new possibilities for closed-loop human-machine interaction (HMI) systems. However, data transmission, particularly over wireless links, suffers from impairments, such as random latency fluctuations and packet loss, affecting the overall control performance of HMI systems. In this study, we have evaluated the impact of wireless impairments for a closed-loop joystick-controlled trajectory tracking task. This has been done with two different types of feedback, visual and tactile, respectively. Wireless links were used both in the uplink transmission of command signal and the downlink transmission of feedback signal. The effects of wireless impairments were incorporated by artificially introducing latency, jitter, and packet loss recorded in real-life deployment scenarios, both in the uplink and the downlink. The results obtained across 12 able-bodied participants showed that the tracking performance was better with visual feedback than with tactile feedback across all impairment conditions. The average latency significantly affected performance, while random latency fluctuations did not. Interestingly, the performance degradation due to increasing impairments in case of tactile feedback was similar to the one observed for visual feedback. One of the main novelties brought by this study is the quantification of the impact of wireless impairments on closed-loop teleoperation tasks with tactile feedback. The results provide valuable insights for designing wireless infrastructure for tactile internet applications.
期刊介绍：
IEEE Transactions on Haptics (ToH) is a scholarly archival journal that addresses the science, technology, and applications associated with information acquisition and object manipulation through touch. Haptic interactions relevant to this journal include all aspects of manual exploration and manipulation of objects by humans, machines and interactions between the two, performed in real, virtual, teleoperated or networked environments. Research areas of relevance to this publication include, but are not limited to, the following topics: Human haptic and multi-sensory perception and action, Aspects of motor control that explicitly pertain to human haptics, Haptic interactions via passive or active tools and machines, Devices that sense, enable, or create haptic interactions locally or at a distance, Haptic rendering and its association with graphic and auditory rendering in virtual reality, Algorithms, controls, and dynamics of haptic devices, users, and interactions between the two, Human-machine performance and safety with haptic feedback, Haptics in the context of human-computer interactions, Systems and networks using haptic devices and interactions, including multi-modal feedback, Application of the above, for example in areas such as education, rehabilitation, medicine, computer-aided design, skills training, computer games, driver controls, simulation, and visualization.
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