The application of magnetic materials in humanoid robots spans multiple critical domains, primarily leveraging magnets' powerful attraction and control capabilities to enhance robotic performance and efficiency. Below are some typical application scenarios.
In humanoid robots, electric motors typically use magnets to generate rotational motion, driving the robot's various joints. Particularly in brushless DC motors (BLDC), magnets serve as core components between the stator and rotor, enabling efficient rotation and precise control. These electric motors are widely used for controlling robotic limb movements, such as the actions of arms and legs.
Related magnet applications: Neodymium arc magnets Multipole NdFeB ring magnets
Magnetic sensors are widely used in robotics for detecting position, velocity, angle, and other parameters. For instance, magnetic encoders enable robots to precisely measure joint rotation angles, ensuring accurate and smooth motion. Magnetic force sensors also assist robots in navigation and positioning, particularly for path planning in complex environments.
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In scenarios demanding exceptional smoothness and precision, magnetic levitation bearings eliminate mechanical contact to achieve frictionless transmission, extending service life and reducing maintenance. Magnetic gears overcome the wear and lubrication challenges of traditional gears through non-contact torque transmission, making them particularly suitable for robots operating in specialized environments such as vacuum or sterile conditions.
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Certain humanoid robots, particularly service robots, may need to perform tasks such as object handling or cleaning. Magnetic adhesion technology can be employed to enable robots to grasp, adhere to, or release objects. For instance, robots can utilize powerful magnets to adhere to metal objects for cleaning or material handling tasks.
From joint motors delivering robust power to sensing systems enabling precise feedback, and through to safe and reliable interaction methods, magnetic technology has become deeply integrated into the “skeleton,” “muscles,” and “nerves” of humanoid robots.
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