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<p>This study presents a detailed analysis of a bi-cable lifting and transporting crane system, focusing on the development of an input shaping method to mitigate residual vibration during crane maneuvers. The crane system is modeled with independently variable cable lengths, allowing for a representation of its dynamic behavior. The proposed method is designed to meet specific operational conditions and constraints, ensuring effective vibration reduction and precise control. The method’s effectiveness is quantitatively assessed using performance indices. The model is validated through numerical simulation and experimental results, demonstrating that the proposed method significantly outperforms conventional timeoptimal rigid-body input. System constraints are introduced to ensure the method’s practical applicability within real-world operational limits. The study also evaluates the required motor power, finding it to be within an acceptable range. The results show that the proposed method effectively enhances the performance of bi-cable crane systems by reducing residual vibration and improving overall control precision.</p>

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Advanced input shaping techniques for enhanced performance of bi-cable systems in simultaneous hoisting and transporting

  • 期刊论文

  • 发表日期：

    2025年7月1日

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  • Khalid Alghanim,
  • Sarah Ashraf,
  • Abdulaziz Alfadhli

摘要

This study presents a detailed analysis of a bi-cable lifting and transporting crane system, focusing on the development of an input shaping method to mitigate residual vibration during crane maneuvers. The crane system is modeled with independently variable cable lengths, allowing for a representation of its dynamic behavior. The proposed method is designed to meet specific operational conditions and constraints, ensuring effective vibration reduction and precise control. The method’s effectiveness is quantitatively assessed using performance indices. The model is validated through numerical simulation and experimental results, demonstrating that the proposed method significantly outperforms conventional timeoptimal rigid-body input. System constraints are introduced to ensure the method’s practical applicability within real-world operational limits. The study also evaluates the required motor power, finding it to be within an acceptable range. The results show that the proposed method effectively enhances the performance of bi-cable crane systems by reducing residual vibration and improving overall control precision.