This invention describes a system where small robots move around on a special surface embedded with electrical coils. These coils create magnetic forces that push and pull the robots, allowing them to move freely across the surface and even lift slightly in three dimensions. The robots can carry items, manipulate objects, and perform tasks like assembly or inspection, even navigating around obstacles.
Why it matters: Filed before recent advancements in AI-driven real-time control systems. These could simplify the complex magnetic field management and obstacle navigation required for multiple robots.
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