Content Rendering for Acoustic Levitation Displays via Optimal Path Following

Titelangaben

Paneva, Viktorija ; Fleig, Arthur ; Martínez Plasencia, Diego ; Faulwasser, Timm ; Müller, Jörg:
Content Rendering for Acoustic Levitation Displays via Optimal Path Following.
In: Extended Abstracts presented at the 25th International Symposium on Mathematical Theory of Networks and Systems MTNS 2022 : held 12-16 September 2022 in Bayreuth. - Bayreuth , 2022
DOI: https://doi.org/10.15495/EPub_UBT_00006809

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Abstract

Recently, volumetric displays based on acoustic levitation have demonstrated the capability to produce mid-air content using the Persistence of Vision (PoV) effect. In these displays, acoustic traps are used to rapidly move a small levitated particle along a prescribed path. This note is based on our recent work OptiTrap (Paneva et al., 2022), the first structured numerical approach for computing trap positions and timings via optimal control to produce feasible and (nearly) time-optimal trajectories that reveal generic levitated graphics. While previously, feasible trap trajectories needed to be tuned manually for each shape and levitator, relying on trial and error, OptiTrap automates this process by allowing for a systematic exploration of the range of contents that a given levitation display can render. This represents a crucial milestone for future content authoring tools for acoustic levitation displays and advances volumetric displays closer toward real-world applications.