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高地隙液壓四輪驅(qū)動噴霧機(jī)轉(zhuǎn)向防滑控制系統(tǒng)
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國家高技術(shù)研究發(fā)展計劃(863計劃)資助項目(2008AA100901)和江蘇高校優(yōu)勢學(xué)科建設(shè)工程資助項目(蘇財教(2011)8號)


Turning Anti-slip Control System of Hydraulic Four-wheel Drive High Clearance Sprayer
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    摘要:

    建立了高地隙四輪驅(qū)動噴霧機(jī)轉(zhuǎn)向過程中的線性2自由度模型，以前輪轉(zhuǎn)向為例計算出了實際轉(zhuǎn)向角，設(shè)計了一種以實際轉(zhuǎn)速比與理論轉(zhuǎn)速比差值為控制對象的轉(zhuǎn)向防滑控制系統(tǒng)。構(gòu)建了轉(zhuǎn)向電液防滑系統(tǒng)試驗裝置，分別在轉(zhuǎn)角為5°、10°、15°、20°、25°、30°以及轉(zhuǎn)角在0°～30°連續(xù)變化時對控制系統(tǒng)進(jìn)行了試驗驗證。結(jié)果表明，高地隙四輪驅(qū)動噴霧機(jī)的轉(zhuǎn)向防滑控制效果良好，控制平均誤差最大為2.01%，均值為1.25%。

    Abstract:

    A linear 2-DOF model of steering for the four-wheel drive high clearance spray chassis was established. Taking front-wheel turning for example, the actual steering angle was calculated. A steering anti-slip control system by using absolute difference of the actual speed ratio and theoretical speed ratio as control object was designed. The device of steering anti-slip electro-hydraulic system was constructed and by experiment the designed system was verified when the turning angel were at 5°,10°,15°,20°,25°,30° respectively and turning angle changed in continuous between 0°～30°. The results show that the turning anti-slip control effect for four-wheel drive high clearance sprayer is excellent, the maximum control error is 2.01% and the average value is 1.25%.

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毛罕平,倪靜,韓綠化,左志宇,顧建,張曉東.高地隙液壓四輪驅(qū)動噴霧機(jī)轉(zhuǎn)向防滑控制系統(tǒng)[J].農(nóng)業(yè)機(jī)械學(xué)報,2012,43(6):58-65. Mao Hanping, Ni Jing, Han Lühua, Zuo Zhiyu, Gu Jian, Zhang Xiaodong. Turning Anti-slip Control System of Hydraulic Four-wheel Drive High Clearance Sprayer[J]. Transactions of the Chinese Society for Agricultural Machinery,2012,43(6):58-65.

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  • 在線發(fā)布日期: 2012-06-19
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