This invention discloses a roping-driven
humanoid robot with centralized drive arrangement and its compliant control method, belonging to the field of
humanoid robot technology. The
robot includes: an
upper limb torso with joint modules centrally arranged in a Y-shape; an
upper limb system comprising a series-connected three-degree-of-freedom parallel attitude-adjusting roping-driven humanoid
shoulder joint, upper arm, tension-amplified constant-
torque constant-stiffness roping-driven humanoid
elbow joint,
forearm, rotation-decoupling differential roping-driven humanoid
wrist joint, and hand; a pelvic-like structure including a 6-RUHU parallel
lumbar joint; and a
lower limb system comprising a series-connected hip joint,
thigh, tension-amplified constant-stiffness roping-driven
knee joint, lower leg, differential roping-driven
ankle joint, and foot. This invention also discloses a forceless sensing compliant control method based on a motor current and dynamics model. This invention achieves centralized center of gravity, lightweight design, wide-range
constant torque output, and safe and flexible interaction, making it suitable for service,
collaboration, and other
humanoid robot application scenarios.