摘要:
A model's ZMP (full-model's ZMP) is calculated using a dynamic model (inverse full-model) 100c2 that expresses a relationship between a robot movement and floor reaction, a ZMP-converted value of full model's corrected moment about a desired ZMP is calculated or determined based on a difference (full-model ZMP's error) between the calculated model's ZMP and the desired ZMP, whilst a corrected desired body position is calculated or determined. Since the robot posture is corrected by the calculated ZMP-converted value and the corrected desired body position, the corrected gait can satisfy the dynamic equilibrium condition accurately.
摘要:
A remote control system for remotely controlling a legged moving robot has a robot manipulator (S) operable by an operator (OP) seated on a seat assembly (14) thereof for applying an operation command to the legged moving robot, the seat assembly having a seatback (23) or a seat (21) which is tiltable. A robot control unit on the legged moving robot controls the legged moving robot automatically to achieve a target orientation stably depending on the operation command from the robot manipulator. An orientation detector detects an orientation of the legged moving robot, and a tilting mechanism (27) tilts the seatback or the seat depending on a deviation of the orientation of the legged moving robot detected by the orientation detector from tihe target orientation.
摘要:
A device (18) for absorbing floor-landing shock provided in a foot mechanism (6) of a leg of a robot. The device comprises an inflatable/ deflatable bag-like member (19) (variable volume body) on the ground contact surface side of the foot mechanism (6). The bag-like member (19) is formed of an elastic material such as rubber and has a restoration capability. The inside of the bag-like member (19) is open to the atmosphere through a passage (20). W hen the leg lands on the floor, the bag-like member (19) touches the ground and is compressed, causing air in the bag-like member to flow out into the atmosphere through the passage (20), which produces an outflow resistance. This reduces floor-landing shock. While the leg body is off the floor, the bag-like member (19) is inflated by the restoring capability of the member as air flows into it. The shock load in floor-landing of the leg body of a legged mobile robot can be reduced smoothly by a light-weighted structure.
摘要:
A landing shock absorbing device 18 disposed in a foot mechanism 6 of a leg of a robot, wherein an inflatable bag-like member 19 (a variable capacity element) is provided at a ground-contacting face side of the foot mechanism 6. The bag-like member 19 is constructed of an elastic material such as rubber and has a restoring force. An interior portion of the bag-like member 19 is communicated with the atmosphere side through a flow passage 20. During a landing motion of the leg, the bag-like member 19 makes contact with the ground to be compressed, and the air in the interior portion thereof flows out into the atmosphere through the flow passage 20, so that its outflow resistance is generated. Accordingly, a landing shock is reduced. In a lifting state of the leg, the restoring force of the bag-like member 19 allows the bag-like member 19 to be inflated while the air flows into the interior portion thereof. An impact load during the landing of the leg of the legged mobile robot may smoothly be reduced in a light-weight configuration.
摘要:
A system for generating or determining a desired height of a biped mobile robot (1) having a body (24) and two articulated legs (2) each connected to the body (24) through a hip joint (10-14) and each including a knee joint (16), an ankle joint (18,20) and a foot (22). In the system, body trajectory of body displacement including desired horizontal body position and orientation, except for a desired body height in the direction of gravity, and leg trajectory of foot displacement including a desired position and orientation, are predetermined on an off-line computer. Based on the parameters, a body height in the direction of gravity is determined by solving an equation comprised of a continuous function of the body height. Then, desired angles of said hip joints (10-14), said knee joint (16) and said ankle joint (18,20) are determined, through an inverse kinematic solution, based on said determination body trajectory, said leg trajectory and said determined desired body height. With the arrangement, it becomes possible to determine a smooth body height trajectory appropriately reduced in vertical motion on a real time basis during robot locomotion.
摘要:
A system for estimating a posture angle of a predetermined part of a leg type moving robot (1), such as a body (3), including a posture angular velocity detecting means for detecting a posture angular velocity of the predetermined part of the robot (1), a drift correction value determining means for determining a drift correction value relative to a detected value of the posture angular velocity in a state in which a motion of the robot (1) is stopped, and an integrating means for integrating at least a posture angular velocity obtained by correcting a detected value of the posture angular velocity detecting means by the drift correction value while the robot (1) is in motion, so as to estimate a posture angle of the body (3) or other predetermined part.