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Gearbox is frequently utilized as a power transmitting device due to its adaptability to operate at a wide range of speed and loads. Any gearbox defect may lead to total failure or even seizure of the machine. Therefore, predictive maintenance is adopted to find the health state of gear train. Modelling of a physical system is economical due to the cost involved in experiments. In the current work, a dynamic model of 9-degrees of freedom (DOFs) spur gear model is taken into consideration to determine the status of gear in both healthy and faulty conditions. In modelling, a high contact ratio spur gear system is considered for analysis. The model comprises of a loader, a motor, and a gear-pinion pair. The equations of motion from the planer block diagram model of the gear pinion system are solved in the MATLAB-Simulink environment. Time and frequency domain analysis is used to compare the health of gear train under different operating conditions.

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Modelling and Diagnosis of Defects in Spur Gear Under Constant Speed Operation

  • 会议论文

  • 发表日期：

    2025年

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  • Rajeev Kumar,
  • Ranjan Gouda,
  • Samrat Mandal,
  • Chintamani Mishra

摘要

Gearbox is frequently utilized as a power transmitting device due to its adaptability to operate at a wide range of speed and loads. Any gearbox defect may lead to total failure or even seizure of the machine. Therefore, predictive maintenance is adopted to find the health state of gear train. Modelling of a physical system is economical due to the cost involved in experiments. In the current work, a dynamic model of 9-degrees of freedom (DOFs) spur gear model is taken into consideration to determine the status of gear in both healthy and faulty conditions. In modelling, a high contact ratio spur gear system is considered for analysis. The model comprises of a loader, a motor, and a gear-pinion pair. The equations of motion from the planer block diagram model of the gear pinion system are solved in the MATLAB-Simulink environment. Time and frequency domain analysis is used to compare the health of gear train under different operating conditions.