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Many walking pattern generators for humanoid robots require predefined trajectories for the robot to track. This inflexibility limits the range of real-world environments that the robot can navigate through. For environments with obstacles and inconsistent terrain, the ability to change the walking trajectory becomes valuable. Using a miniature humanoid, a three-dimensional inverted pendulum model...
ROBONOVA-1 robot is a kind of new type humanoid robot, which can offer educators, students and robotic hobbyists a complete robot package. In order to better study and develop the function of this robot, according to the analysis of its configuration and gait, a seven bar linkage mechanism is established. The lateral walking trace of the robot is planned by using the method of geometry constraints...
This paper presents a standing balance controller that explicitly handles pushes. We employ a library of optimal trajectories and the neighboring optimal control method to generate local approximations to the optimal control. We take advantage of a parametric nonlinear optimization method, SNOPT, to generate initial trajectories and then use Differential Dynamic Programming (DDP) to further refine...
A non-time reference gait planning method is proposed. The usual reference variable, time, is substituted by a non-time variable in gait, so the whole gait-planning phase can be divided into two phases, (1) planning the space walking path: Taking the forward locomotion of upper-body as reference variable, considering the constraint of the environment, the walking path of a robot without collision...
This paper proposes a smooth cooperated walking pattern design and feedback control based on tilt senor for biped humanoid robot. In this research, the smoothness and stability problem is the key work of the motion planning. We make the robot walk stably and naturally like a human using static Zero Moment Point (ZMP) theory and the inclination feedback control. Its basic idea is as follows: firstly,...
We propose a simple design strategy for diverse humanoid locomotion, which does not require a precise model of the robot and does not need careful design of desired gait trajectories. We show that a humanoid robot can walk using simple sinusoidal desired joint trajectories with their phase adjusted by a coupled oscillator model. We use the center of pressure location and its velocity to detect the...
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