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黃牛在松軟地面行走步態(tài)的逆向動(dòng)力學(xué)分析
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    摘要:

    采用高速攝像技術(shù),對(duì)黃牛在春耕前的水稻田上行走時(shí)肢體的運(yùn)動(dòng)形態(tài)進(jìn)行了分析,得到了黃牛的步態(tài)參數(shù)。利用逆向動(dòng)力學(xué)方法,建立了黃牛在水稻田上行走時(shí)的運(yùn)動(dòng)學(xué)方程。結(jié)合實(shí)例計(jì)算結(jié)果,分析了黃牛質(zhì)心的位移、速度、加速度和土壤作用力的變化,討論了黃牛在水稻田上行走時(shí)的運(yùn)動(dòng)特性。該方法為研究和設(shè)計(jì)松軟地面步行機(jī)械的運(yùn)動(dòng)方式和步法協(xié)調(diào)提供一定的理論基礎(chǔ)。

    Abstract:

    The walking process of the cattle, bostaurus, on paddy field before spring plowing was captured by the high-speed photography. The properties of the paddy soil and geometrical configurations of the hooves were studied. The geometrical configurations and motion postures of the cattle during walking on paddy field were analyzed, and the gait parameters were gained from the high-speed photographs. The inverse kinetics method was used to establish the kinematics equations of the cattle during walking on paddy field. Combined with the calculation results, the plots of the cattle during walking were drawn. The changes of displacement, velocity, acceleration and force were analyzed, and then the characteristics of the cattle during walking on paddy field were discussed. The method reported would provide certain theoretical and practical references for bionic design for improving the reasonable motion of the walking mechanisms on soft ground.

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陳勇,佟金,陳秉聰.黃牛在松軟地面行走步態(tài)的逆向動(dòng)力學(xué)分析[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2007,38(10):165-169.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(10):165-169.

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