Results 1 to 10 of about 849 (182)

Underactuated robotics: A review [PDF]

open access: yesInternational Journal of Advanced Robotic Systems, 2019
Underactuated robotics is an emerging research direction in the field of robotics. The control input of the underactuated robot is less than the degree of freedom of the system.
Bin He, Shuai Wang, Yongjia Liu
doaj   +2 more sources

A General Stable Control Method for R-Type Underactuated Robot with Three Different Initial Situations

open access: yesApplied Sciences (Switzerland), 2023
In this paper, we propose a general control method via the intelligent algorithm for a planar R-type underactuated robot. This control method solves the unified control problem of R-type underactuated manipulator.
Zixin Huang, Lejun Wang, Huang Zixin
exaly   +3 more sources

Task-Based Configuration Synthesis of an Underactuated Resilient Robot

open access: yesRobotics, 2023
A resilient robot can recover its original function after partial damage of the system. This paper develops an underactuated resilient robot that utilizes a combination of passive joints, active joints, adjustable links, and passive links. A novel method
Wenjun Zhang, Tan Zhang, Dan Zhang
exaly   +3 more sources

Two-Stage Control Strategy Based on Motion Planning for Planar Prismatic–Rotational Underactuated Robot

open access: yesActuators
Intelligent robots are often used to explore various areas instead of humans. However, when the driving joint is damaged, the actuated robot degenerates to an underactuated robot, and the traditional control method is not suitable for the underactuated ...
Zixin Huang, Ziang Wei, Huang Zixin
exaly   +3 more sources

The Effect of a Limited Underactuated Posterior Joint on the Speed and Energy Efficiency of a Fish Robot

open access: yesApplied Sciences (Switzerland)
Autonomous underwater vehicles (AUVs) commonly use screw propellers to move in a water environment. However, compared to the propeller-driven AUV, bio-inspired AUVs feature a higher energy efficiency, longer lifespan (due to a lack of cavitation), and ...
Tatsuaki Kimura
exaly   +3 more sources

Research on Modeling and Motion Optimization for an Underactuated Bionic Scorpion Robot Arm [PDF]

open access: yesApplied Bionics and Biomechanics
Flexible screen possessing a high-contrast ratio to accomplish high-definition display can be attributed to the accuracy of polarizer assembly. Different from the existing polarizer attached onto a flexible screen, resulting in low-accuracy and ...
Ning Cao   +5 more
doaj   +2 more sources

Nonlinear Control System Design of an Underactuated Robot Based on Operator Theory and Isomorphism Scheme

open access: yesAxioms, 2021
The number of actuators of an underactuated robot is less than its degree of freedom. In other words, underactuated robots can be designed with fewer actuators than fully actuated ones.
Mingcong Deng, Shotaro Kubota
doaj   +1 more source

Iterative Contraction Stability Control Strategy for Planar Prismatic-Rotational Underactuated Robot

open access: yesIEEE Access, 2023
An iterative contraction stability control strategy is proposed to solve the end point position control problem of the planar prismatic-rotational (PR) underactuated robot.
Zixin Huang   +3 more
doaj   +1 more source

Influence of Joint Stiffness and Motion Time on the Trajectories of Underactuated Robots

open access: yesApplied Sciences, 2023
Underactuated robots have fewer actuators than degrees of freedom (DOF). Nonactuated joints can be equipped with torsional springs. Underactuated robots can be controlled in a point-to-point motion if they have a particular mass distribution that makes ...
Michele Tonan   +3 more
doaj   +1 more source

Finite-time control strategy for swarm planar underactuated robots via motion planning and intelligent algorithm

open access: yesMeasurement + Control, 2023
The swarm planar underactuated robots have the ability to organize each robot to complete task in a finite time and the characteristics of ignoring gravity, energy saving, light weight, and so on. In this paper, we propose control strategy for such robot
Zixin Huang   +3 more
doaj   +1 more source

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