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Civil aviation maintenance man-hour prediction method based on safe energy consumption
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Qing GUO1, Jianghai ZHU1, Yu FU**, 1, Hongfu ZUO2
China Safety Science Journal | 2025, 35(10) : 67 - 74
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China Safety Science Journal | 2025, 35(10): 67-74
• Safety engineering technology •
Civil aviation maintenance man-hour prediction method based on safe energy consumption
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Qing GUO1, Jianghai ZHU1, Yu FU**, 1, Hongfu ZUO2
Affiliations
  • 1College of Aeronautical Engineering, Civil Aviation University of China, Tianjin 300300, China
  • 2College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing Jiangsu 211106, China
Published: 2025-10-28 doi: 10.16265/j.cnki.issn1003-3033.2025.10.1346
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To accurately predict the standard man-hours of aircraft maintenance tasks, a predictive method based on safe energy consumption for aircraft maintenance standard man-hours was proposed. Firstly, a drivable virtual human was constructed based on the skeletal parameters of the human body and the computational rules of Euler quaternions. Subsequently, motion data during maintenance processes were captured using motion capture devices. The Roberson-Wittenburg and inverse dynamics methods were then employed to calculate the joint torques borne by the virtual human during the maintenance tasks, thereby estimating the energy consumption during the maintenance process. Based on the fatigue assessment of human energy consumption, preliminary standard maintenance man-hours conforming to safety energy consumption were calculated. The study demonstrates that prediction results based on safe energy consumption are closer to the manufacturer's recommended times, with a smaller root mean square error than modular arrangement of predetermined time standards(MOD) method, indicating that this approach better reflects the actual maintenance man-hours.

safe energy consumption  /  maintenance hours  /  forecast of working hours  /  standard man-hours  /  fatigue  /  virtual human
Qing GUO, Jianghai ZHU, Yu FU, Hongfu ZUO. Civil aviation maintenance man-hour prediction method based on safe energy consumption[J]. China Safety Science Journal, 2025 , 35 (10) : 67 -74 . DOI: 10.16265/j.cnki.issn1003-3033.2025.10.1346
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Year 2025 volume 35 Issue 10
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Article Info
doi: 10.16265/j.cnki.issn1003-3033.2025.10.1346
  • Receive Date：2025-04-26
  • Online Date：2026-07-09
  • Published：2025-10-28
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  • Received：2025-04-26
  • Revised：2025-07-16
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Affiliations
    1College of Aeronautical Engineering, Civil Aviation University of China, Tianjin 300300, China
    2College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing Jiangsu 211106, China
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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