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Active disturbance rejection synchronization control for parallel electro-coating conveyor.

Suhua Yao1, Guoqin Gao1, Zhiqiang Gao2

  • 1School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China.

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|February 19, 2020
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Summary

This study introduces a novel active disturbance rejection synchronization control (ADRSC) for electro-coating conveyors. The method effectively manages cross-coupling, enhancing synchronization accuracy and system stability.

Keywords:
Active disturbance rejection controlBandwidthConveyorLaplacian matrixSynchronization

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Area of Science:

  • Control Systems Engineering
  • Robotics and Automation
  • Industrial Process Control

Background:

  • Synchronization control is crucial for parallel electro-coating conveyors.
  • Cross-coupling presents a significant challenge in achieving precise synchronization.

Purpose of the Study:

  • To propose a bandwidth-parameterized active disturbance rejection synchronization control (ADRSC) for parallel electro-coating conveyors.
  • To effectively manage and reject cross-coupling disturbances to achieve accurate synchronization.

Main Methods:

  • Developed an ADRSC by embedding the Laplacian matrix derived from adjacent-cross-coupling errors.
  • Reformulated cross-coupling as an average disturbance for rejection.
  • Reduced system dynamics to the canonical form of chained integrators.
  • Established an upper bandwidth bound for stability-accuracy trade-off.

Main Results:

  • The proposed ADRSC effectively achieves synchronization in the presence of cross-coupling.
  • The controller successfully rejects average disturbances, simplifying system dynamics.
  • An optimal bandwidth trade-off was identified between synchronization accuracy and stability.

Conclusions:

  • The active disturbance rejection principle can be extended to accommodate cross-coupling in synchronization tasks.
  • The proposed ADRSC method is effective and practical, validated by simulations and experiments.