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Related Experiment Video

Updated: Mar 15, 2026

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
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Adaptive Sliding Mode with Finite-Time Convergence for Synchronized Hydraulic Multi-Arm Systems.

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|March 14, 2026
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Summary

This study presents a robust finite-time adaptive sliding mode control (FTSMC) for synchronized multi-arm robots in confined spaces. The novel FTSMC strategy ensures rapid convergence and disturbance rejection for enhanced industrial automation.

Keywords:
FTSMCconfined environmentsdisturbance rejectionhydraulic multi-arm systemsleader–follower frameworksynchronized deployment

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Area of Science:

  • Robotics and Control Systems
  • Mechatronics
  • Industrial Automation

Background:

  • Coordinated control of multi-arm systems is crucial for tasks in confined environments.
  • Existing control strategies often struggle with nonlinear dynamics, parameter uncertainties, and external disturbances.

Purpose of the Study:

  • To develop a novel robust finite-time adaptive sliding mode control (FTSMC) strategy.
  • To enable synchronized deployment of hydraulically actuated multi-arm systems in challenging environments.
  • To enhance the robustness and convergence speed of robotic systems against uncertainties.

Main Methods:

  • Development of a dynamic model for a leader-follower multi-agent system with nonlinear dynamics.
  • Integration of adaptive sliding mode control with finite-time convergence guarantees.
  • Application of a graph-theoretical communication topology for localized interactions.
  • Lyapunov stability analysis to prove system state boundedness and convergence.

Main Results:

  • The proposed FTSMC strategy demonstrated superior performance over baseline controllers (SMC, ETASMC, PID, FTCC, DOBC, ASMC).
  • Achieved higher tracking accuracy and faster convergence of tracking errors.
  • Exhibited enhanced robustness against parameter uncertainties, friction, and external perturbations.
  • Validated through simulations on a three-arm robotic platform.

Conclusions:

  • The FTSMC strategy offers a practical and scalable solution for multi-arm coordination in unstructured industrial settings.
  • Significantly advances the autonomy and reliability of industrial robotic systems.
  • Provides guaranteed finite-time convergence and robustness for complex robotic applications.