基于Hammerstein模型和表面肌电的过头作业上肢肌肉疲劳评估

杨延璞,伍智泓,孟文昊,卓玥鸣,刘嘉玲

Upper-limb muscle fatigue assessment in overhead work based on Hammerstein model and surface electromyography

Yanpu YANG,Zhihong WU,Wenhao MENG,Yueming ZHUO,Jialing LIU

表 6 总时间及各疲劳阶段EMGFT

Tab.6 Total time and EMGFT of each fatigue stage

被试者 EMGFT/s 作业时间 预备疲劳 轻度疲劳 中度疲劳 重度疲劳 1 52.79 141.55 346.89 559.69 12 min 11 s 2 41.69 168.95 280.42 830.05 15 min 18 s 3 32.91 150.22 254.58 565.63 13 min 18 s 4 150.16 175.49 290.68 410.60 10 min 11 s 5 46.54 151.51 340.67 537.51 11 min 36 s 6 39.89 163.90 528.18 647.77 15 min 6 s 7 40.73 166.93 447.24 738.21 17 min 24 s 8 36.05 119.29 287.72 576.94 15 min 54 s 9 23.36 110.11 367.11 707.59 14 min 24 s 10 63.42 145.72 344.16 685.12 13 min 30 s