Control system for controlling the knee joint actuators of a legged robot in response to a detected fall condition so as to lower the center of gravity of the robot
First Claim
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1. A control system for controlling a legged moving robot havingan upper body, anda plurality of movable legs extending downwardly from said upper body and havingactuators associated respectively with joints thereof,said control system comprising:
- knee joint actuators associated with the joints of said movable legs,fall judging means for deciding whether the robot is likely to fall down while the robot is operating; and
actuator control means for concurrently controlling said knee joint actuators associated respectively with said joints of said plurality of movable legs to lower the center of gravity of the robot when said fall judging means determines that the robot is likely to fall down;
said knee joint actuators and said actuator control means for controlling said knee joints cooperating to lower the center of gravity of said upper body by lowering said upper body of said robot;
witha knee joint actuator being operably associated with a knee joint of each of said plurality of movable legs and with said actuator control means being operable to concurrently actuate said knee joints of said plurality of movable legs to effect said lowering of said upper body, withsaid knee joints being concurrently lowered, thereby lowering said upper body said robot.
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Abstract
A legged moving robot has a plurality of movable legs extending downwardly from an upper body and having actuators associated respectively with joints thereof. A fall judging unit decides whether the robot is likely to fall down while the robot is operating. An actuator controller controls the actuators associated respectively with the joints of the movable legs to lower the center of gravity of the robot when the fall judging unit determines that the robot is likely to fall down.
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11 Claims
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1. A control system for controlling a legged moving robot having
an upper body, and a plurality of movable legs extending downwardly from said upper body and having actuators associated respectively with joints thereof, said control system comprising: -
knee joint actuators associated with the joints of said movable legs, fall judging means for deciding whether the robot is likely to fall down while the robot is operating; and actuator control means for concurrently controlling said knee joint actuators associated respectively with said joints of said plurality of movable legs to lower the center of gravity of the robot when said fall judging means determines that the robot is likely to fall down; said knee joint actuators and said actuator control means for controlling said knee joints cooperating to lower the center of gravity of said upper body by lowering said upper body of said robot;
witha knee joint actuator being operably associated with a knee joint of each of said plurality of movable legs and with said actuator control means being operable to concurrently actuate said knee joints of said plurality of movable legs to effect said lowering of said upper body, with said knee joints being concurrently lowered, thereby lowering said upper body said robot. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification