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An integrated foot transducer and data logging system for dynamic assessment of lower limb exerted forces during agricultural machinery operations

引用

Artificial Intelligence in Agriculture 2020年第1期4卷 96-103页

作者： Smrutilipi Hota V.K.Tewari Abhilash K.Chandel gajendra singha Indian Institute of Technology Kharagpur West BengalIndia Center for Precision and Automated Agricultural Systems Washington State UniversityProsserWAUSA

Agricultural machinery typically requires lower limb actuation forces for operations such as treadling,pedaling and tractor ***,limited systems exist for assessment of such forces that have ergonomic *** study,therefore developed and evaluated a single board computer integrated foot transducer(IFT)and autonomous data logging and visualization systemtomonitor dynamic lower limb exerted *** systemconsists of custom developed load sensors sandwiched into foot shaped units that fit operator's both *** forces at crank angles for operations typical to pedaling while at height(above ground level)for operation representing typical treadling operations were recorded on-board amemory card and displayed on a liquid crystal *** were conducted by imposing external loads that significantly increased(p b 0.05)the foot exerted *** trends were periodic with peaks of 73,85,110.5 and 145.4 N for left foot and 41,50,131.7 and 145.4 N for right foot at loads of 10,30,50 and 70 N,respectively during pedaling ***,the left lower actuation limb exerted forces of 139,249 and 255 N at 5,10 and 15 N of imposed loads,respectively during treadling *** was also evaluated for tractor operations and exerted forces ranged from 92 to 164 and 107–176 N for clutch pedal engagement at lower to higher tractor speeds on farm and tarmacadam roads,***,for brake pedal engagement,such forces ranged from106 to 173 and 120–204 N on farm and *** forces varied significantly at different forward *** suggest potential of such system for foot exerted force assessments typical to agricultural machinery systems in real *** be evaluated or reconsidered tominimizemusculoskeletal disorder risks during prolonged ***-rest schedules protocols can be developed by ergonomists for safe,efficient and comfortable operations.

关键词： Agricultural machinery operations Lower limb exerted forces Instrumented foot transducer Autonomous data logging and visualization Ergonomics and safety

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