Articles with "flexible joint" as a keyword



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Identification and Control of Flexible Joint Robot Using Multi-Time-Scale Neural Network

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Published in 2020 at "Journal of Shanghai Jiaotong University (science)"

DOI: 10.1007/s12204-020-2210-3

Abstract: In this paper, a new identification and control scheme for the flexible joint robotic manipulator is proposed. Firstly, by defining some new state variables, the commonly used dynamic equations of the flexible joint robotic manipulators… read more here.

Keywords: flexible joint; using multi; identification; multi time ... See more keywords

Global mode method for dynamic modeling of a flexible-link flexible-joint manipulator with tip mass

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Published in 2017 at "Applied Mathematical Modelling"

DOI: 10.1016/j.apm.2017.02.025

Abstract: Abstract In this paper, the global mode method (GMM) is proposed to obtain a reduced-order analytical dynamic model for a signal flexible-link flexible-joint (SFF) manipulator. Firstly, the nonlinear partial differential equations (PDE) that govern the… read more here.

Keywords: flexible joint; mode; method; global mode ... See more keywords

Experimental parameter identification of flexible joint robot manipulators

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Published in 2017 at "Robotica"

DOI: 10.1017/s0263574717000224

Abstract: SUMMARY This paper contributes by presenting a parameter identification procedure for n-degrees-of-freedom flexible joint robot manipulators. An advantage of the given procedure is the obtaining of robot parameters in a single experiment. Guidelines are provided… read more here.

Keywords: parameter identification; flexible joint; joint robot; robot manipulators ... See more keywords

Multi-constraint model predictive control of flexible joint drive system based on unknown state estimator and constraint adaptive hierarchical planning

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Published in 2025 at "Scientific Reports"

DOI: 10.1038/s41598-025-22594-y

Abstract: To address the issues of low control precision and potentially unsolvable control laws for flexible joint under uncertain disturbance and multiple constraints, a model predictive control (MPC) method based on an unknown state estimator (USE)… read more here.

Keywords: adaptive hierarchical; constraint adaptive; constraint; control ... See more keywords

Improved-third-order-extended-state-observer-based sliding-mode control using singular perturbation theory for flexible-joint robot

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Published in 2025 at "International Journal of Control"

DOI: 10.1080/00207179.2025.2481602

Abstract: In order to cope with the changing industrial operation environment, based on the Flexible Joint Robot systems (FJR), this paper explores a control method of decoupling high-order systems by using singular perturbation theory (SPT). Considering… read more here.

Keywords: control; flexible joint; joint robot; singular perturbation ... See more keywords

Double-loop frame-based adaptive neural sliding-mode control of single-input 3-DOF flexible-joint manipulator

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Published in 2024 at "International Journal of Systems Science"

DOI: 10.1080/00207721.2024.2303589

Abstract: Flexible-joint manipulators (FJMs) have been attracting much attention in recent decades. However, position control and vibration suppression of single-input (SI) multi-degrees-of-freedom (multi( $ {\geqslant }3 $ ⩾3)-DOF) FJM is still a high mountain to climb… read more here.

Keywords: control; flexible joint; actuator; loop ... See more keywords

Adaptive finite-time comsensus tracking control for coopetition flexible joint multi-manipulators with full-state constraints

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Published in 2022 at "IEEE Access"

DOI: 10.1109/access.2022.3158972

Abstract: In this paper, the adaptive full-state constraints bipartite consensus tracking problem for coopetition flexible joint multi-manipulator systems with finite-time convergence is investigated. Based on the finite-time convergent method, the command filtered backstepping technique is introduced… read more here.

Keywords: state; finite time; flexible joint; coopetition ... See more keywords

Adaptive fuzzy dynamic surface control of flexible-joint robot systems with input saturation

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Published in 2019 at "IEEE/CAA Journal of Automatica Sinica"

DOI: 10.1109/jas.2019.1911330

Abstract: In this paper, we propose an adaptive fuzzy dynamic surface control ( DSC ) scheme for single-link flexible-joint robotic systems with input saturation. A smooth function is utilized with the mean-value theorem to deal with… read more here.

Keywords: surface control; flexible joint; input saturation; dynamic surface ... See more keywords

Design and Fabrication of a 3-D Printed Metallic Flexible Joint for Snake-Like Surgical Robot

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Published in 2019 at "IEEE Robotics and Automation Letters"

DOI: 10.1109/lra.2019.2896475

Abstract: Snake-like robots have numerous applications in minimally invasive surgery. One important research topic of snake-like robots is the flexible joint mechanism and its actuation. This letter describes the design and fabrication of a new type… read more here.

Keywords: surgical robot; flexible joint; like surgical; design fabrication ... See more keywords

Shape-Locking Mechanism of Flexible Joint Using Mechanical Latch With Electromagnetic Force

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Published in 2019 at "IEEE Robotics and Automation Letters"

DOI: 10.1109/lra.2019.2897006

Abstract: Single-incision laparoscopic surgery (SILS) has emerged as a procedure to further improve cosmetic profits and reduce the postoperative pain of multiport laparoscopic surgery. However, SILS is a difficult operation due to the limited workspace or… read more here.

Keywords: flexible joint; force; mechanism; shape locking ... See more keywords
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Nonlinear PI“D”-Type Control of Flexible Joint Robots by Using Motor Position Measurements Is Globally Asymptotically Stable

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Published in 2023 at "IEEE Transactions on Automatic Control"

DOI: 10.1109/tac.2022.3194043

Abstract: An important subject that arises in the position control of robot manipulators is the local or global asymptotic stability of the closed-loop system equilibrium point, especially when an integral action is added to the control… read more here.

Keywords: control; joint robots; motor position; position measurements ... See more keywords