The improvement of flexibility in the chubby sex doll has long been limited by uneven force distribution and deformation control challenges caused by its fuller body shape.  The deep integration of AI technology, from driving logic and physical simulation to dynamic adaptation, has comprehensively overcome this dilemma. Through the collaboration of AI algorithms and bionic hardware, chubby sex dolls can break through mechanical limitations, achieving a dual upgrade in natural movement and body shape adaptability. This technological logic has also become the core direction for the iteration of AI-powered sex doll products.

AI-driven, precise joint control is the foundation for improving the flexibility of chubby sex dolls. Based on FOC (Field-Oriented Control) algorithms and edge AI chips, it enables multi-joint coordinated movement and millimeter-level precision adjustment.  For weight-bearing parts such as the legs and waist of chubby sex dolls, it dynamically allocates motor power to avoid movement stuttering caused by the fuller body shape. At the same time, AI learns human biomechanical data to optimize joint movement angles and force feedback, ensuring that movements such as turning and bending are both physiologically logical and adapted to the force requirements of a fuller body shape, eliminating the stiffness of traditional mechanical movements.

AI physical simulation technology solves the core problem of body deformation in chubby sex dolls. Using the PhysRig differentiable physics framework, AI embeds the skeleton into an elastic soft body model, simulating the natural deformation of fat and muscle during movement, avoiding problems such as volume loss and line distortion during joint movement. For example, when a chubby sex doll's arm bends, AI can real-time calculate the deformation differences caused by fat distribution, dynamically adjusting the material's force feedback to make the movement transition more natural, preserving the fuller characteristics while maintaining flexibility. This technology has been maturely applied in high-end AI sex dolls.

AI dynamic self-adaptive optimization makes the flexibility of chubby sex dolls more aligned with real-world scenarios. Through built-in pressure sensors and visual recognition modules, AI real-time captures movement data and environmental information, dynamically adjusting motion parameters. Given the heavier weight of chubby sex dolls, AI can optimize gait rhythm and balance control to prevent tipping caused by excessive movement amplitude; at the same time, through continuous learning of user interaction habits, it iterates the smoothness of movements, precisely matching flexibility with user needs. In summary, AI has completely reshaped the flexibility of chubby sex dolls through precise joint control, physical deformation simulation, and dynamic adaptive optimization. This technological breakthrough not only overcomes the mechanical limitations imposed by a fuller figure but also propels these dolls from static display items to dynamic interactive entities, resonating with the intelligent development trend of AI sex dolls and opening up a completely new path for upgrading the product category experience.

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