Legged mobile robot and method of controlling operation of the same
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United States of America Patent
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Oct 8, 2002
Grant Date -
N/A
app pub date -
Nov 22, 2000
filing date -
Nov 24, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A legged mobile robot possesses degrees of freedom which are provided at roll, pitch, and yaw axes at a trunk. By using these degrees of freedom which are provided at the trunk, the robot can smoothly get up from any fallen-down posture. In addition, by reducing the required torque and load on movable portions other than the trunk, and by spreading/averaging out the load between each of the movable portions, concentration of a load on a particular member is prevented from occurring. As a result, the robot is operated more reliably, and energy is used with greater efficiency during a getting-up operation. Therefore, it is possible for the robot to independently, reliably, and smoothly get up from various fallen-down postures such as a lying-on-the-face posture, a lying-on-the-back posture, and a lying sideways posture.
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