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Slip occurrence puts not only the humans but also the humanoid robots into dangerous situations. Although the detection and the estimation of slip have been well researched, studies on slip avoidance control in a humanoid robot are rare. Previous methods used to restrict the horizontal motion or regulate the vertical motion of the humanoid robot did not take the important rotational motion into account...
Fast and stable walking is one of the important prerequisite for humanoid robots to serve the people. Pelvic rotations play a significant role when one walks fast. This paper proposes a method to generate human-like walking patterns with pelvic rotation in the transverse plane for a humanoid robot to effectively improve its quickness and stability. First, the regularities of pelvic rotation in the...
For humanoid robots, there exist a class of challenging tasks, e.g. playing table tennis, which are non-repeatedly, triggered randomly by sensor events, and compelling the robots to produce reactive operations in very short time. Additionally, some key poses of the robot are partially constrained to accomplish the operations, and are usually adjusted during the operation execution. In this paper,...
A waist joint is designed for a humanoid robot in this paper, which has the characteristics of a large range of motion and high mechanical strength. A new method of balance control based on waist joints is also provided. It can effectively increase the stability margin during single support phase. We have been developing BHR, which has 38 DOF (degree of freedom). Each arm of BHR has 11 DOF in total...
This paper presents an open control system consisting of decision-making system, teleoperation system, and motion control system for humanoid robots. In order to enhance the expandability of the robot, this system supports CANopen protocol. Communication time is reduced effectively via multiple CAN channels in parallel mode. In addition, CANopen driver and Mini Multi-Axis controller are designed complying...
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