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Like most other technologies in the robotics field, ASIMO is powered by servo motors. These are small but powerful motors with a rotating shaft that moves limbs or surfaces to a specific angle as directed by a controller. Once the motor has turned to the appropriate angle, it shuts off until it is instructed to turn again. For example, a servo may control the angle of a robot's arm joint, keeping it at the right angle until it needs to move, and then controlling that move. Servos use a position-sensing device (also called a digital decoder) to ensure that the shaft of the motor is in the right position. They usually use power proportional to the mechanical load they are carrying. A lightly loaded servo, for example, doesn't use much energy.
Сервы с цифровыми енкодерами...
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ASIMO has 26 servo motors in its body that move its arms, hands, legs, feet, ankles, and other moving parts. ASIMO manages a series of servo motors to control each kind of movement.
26 - не так уж и много. Но представляю я _какие_ там сервы...
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Batteries Required
ASIMO is powered by a rechargeable, 40-volt, nickel-metal hydride battery that lasts for 30 minutes on a single charge. The battery is stored in ASIMO's mid-section, where its weight also helps create ASIMO's center of balance. ASIMO's battery takes four hours to fully charge, so a second (and third) battery is crucial if you needed ASIMO to operate for very long.
30 минут на одной батарее - как-то маловато будет...