Electricity: motive power systems – Positional servo systems – Program- or pattern-controlled systems
Patent
1993-08-18
1995-03-28
Ip, Paul
Electricity: motive power systems
Positional servo systems
Program- or pattern-controlled systems
3185681, 31856811, 180 86, 901 9, B25J 1100, B25J 900
Patent
active
054020506
ABSTRACT:
A system for controlling locomotion of a biped robot discretely bringing its foot in contact with a floor in an environment such as that including stairs in which the robot's foot contact position is restricted. The robot's locomotion is controlled on the basis of predesigned gait parameters including its foot position/direction which determines foot landing position in a stair. A positional error is detected between the desired and actual foot landing positions in the stair. And, the gait parameters for the next stair is modified such that the foot landing position at the next stair is corrected in response to the detected error. With this arrangement, the error is not accumulated and does not exceed a premissible range which ensures the robot's stable walking. Thus, the robot's locomotion can be controlled in such a manner that the robot goes up and down the stairs consecutively.
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Honda Giken Kogyo Kabushiki Kaisha
Ip Paul
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