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TrueForce: A Compliant Method for Perceptually Aligned Interaction with ETHD-Simulated Virtual Objects
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AI
DOI：10.1145/3804491.png)
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Abstract
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To enhance learning and training, VR haptic devices must provide safe and physically accurate feedback that helps users build intuitions about force and motion. We present TrueForce, a method for rendering force feedback by capturing user input and reconfiguring a compliant mechanism in real time to align perceived with expected forces. We implemented TrueForce in a grounded Encountered-Type Haptic Display (ETHD) and demonstrated its versatility through three representative physics scenarios: pushing a stationary object, experiencing electrostatic repulsion, and bouncing a moving object. A user study with 29 participants showed that users adapted to new interaction profiles within 2-3 trials, and that rendered forces remained within perceptual thresholds except in the heaviest and most dynamic conditions. These results suggest that users can rapidly adapt to the system's force-motion mappings, providing the consistent sensorimotor feedback necessary for building physical intuitions when interacting with moving virtual objects.
Keywords:
HAPTICS
Journal
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IF:
2.3
Papers:
17
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0
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