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August 19, 2026Journal of Innovative Science and Engineering (JISE)Open Access

Frequency-Based State-Feedback Controller Design for 3-DOF Tower Cranes Under Aerodynamic Disturbances

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Authors

BUBuse Tacal Ucun

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Overview

Simulation study demonstrates robust trajectory tracking in 3-DOF tower cranes under aerodynamic disturbances, indicating superior performance of frequency-domain control over standard LQR.

Key Points

  • To design and evaluate a frequency-domain cost function minimization-based state-feedback controller (FCFM-SFC) for mitigating aerodynamic wind disturbances in three-degree-of-freedom tower crane systems.
  • Formulated a frequency-based objective function using spectral analysis to shape closed-loop plant dynamics and attenuate harmonic disturbance components.
  • Conducted dynamic numerical simulations across varying wind intensities to compare the FCFM-SFC against classical time-domain Linear Quadratic Regulator (LQR) and Linear Quadratic Integral (LQI) controllers.
  • The FCFM-SFC framework achieved superior trajectory tracking precision and robust disturbance rejection under varying aerodynamic wind loads.
  • Benchmark LQR and LQI controllers exhibited substantial performance degradation and marked tracking deviations under intense aerodynamic stress.

Cite This Study

Buse Tacal Ucun (2026) studied this question.

synapsesocial.com/papers/6a85636403308d306e2d690bhttps://doi.org/10.38088/jise.1904386
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