Multi-terrain velocity control of the spherical robot by online obtaining the uncertainties in the dynamics

Y Liu, Y Wang, X Guan, Y Wang, S Jin… - IEEE Robotics and …, 2022 - ieeexplore.ieee.org
One controller cannot work on multiple and unknown terrains in the velocity control of the
spherical robot, because the dynamic models of the robot vary on different terrains, and …

Direction and trajectory tracking control for nonholonomic spherical robot by combining sliding mode controller and model prediction controller

Y Liu, Y Wang, X Guan, T Hu, Z Zhang… - IEEE Robotics and …, 2022 - ieeexplore.ieee.org
A spherical robot is a nonlinear, nonholonomic, and unstable system which increases the
difficulty of the direction and trajectory tracking problem. In this study, we propose a new …

Robust servo linear quadratic regulator controller based on state compensation and velocity feedforward of the spherical robot: Theory and experimental verification

Y Wang, Y Liu, X Guan, T Hu, Z Zhang… - International …, 2023 - journals.sagepub.com
There are few studies on the lateral motion of spherical robots. In this article, a new
algorithm is proposed to solve the problem of low control accuracy of the lateral motion. A …

A comprehensive review of driving mechanisms in amphibian spherical robots

MB Bahar, SS Abdullah, MSM Aras… - Indian Journal of Geo …, 2022 - op.niscpr.res.in
A spherical robot is based on the rolling concept inspired by the pangolins. This mode of
locomotion is faster and safer as its spherical body becomes a protective shield. The …

Optimizing PD-type Fuzzy Logic Controller for Position Control of Spherical Robot

NN Kamis, AH Embong… - 2019 7th International …, 2019 - ieeexplore.ieee.org
Spherical robot has several advantages compared to another type of mobile robot that can
be used in many applications. Controlling a rolling mechanism for this nonlinear system is …