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液壓混合動(dòng)力輪式裝載機(jī)節(jié)能影響因素分析與優(yōu)化
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Energy-saving Potential and Influencing Factors for Hydraulic Hybrid Wheel Loader
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    摘要:

    分析了低速作業(yè)工況下輪式裝載機(jī)的能耗損失和混合動(dòng)力裝載機(jī)節(jié)能潛力。根據(jù)液壓儲(chǔ)能的特點(diǎn)，設(shè)計(jì)了液壓混合動(dòng)力并聯(lián)式節(jié)能方案，通過(guò)計(jì)算和仿真，研究影響節(jié)能效果的主要因素，并對(duì)其進(jìn)行優(yōu)化。結(jié)果表明：優(yōu)化液壓混合動(dòng)力系統(tǒng)的匹配關(guān)系，合理選擇控制策略參數(shù)，充分回收制動(dòng)動(dòng)能和整機(jī)下長(zhǎng)坡的重物勢(shì)能，有利于提高裝載機(jī)的節(jié)能指標(biāo)。

    Abstract:

    According to the operating characteristics of wheel loaders, the energy distribution and saving potential of loader were researched through calculation and simulation. Combing the characteristics of hydraulic hybrid system, the parallel configuration of hydraulic hybrid wheel loader was presented, and the influencing factors for hydraulic hybrid wheel loader energysaving potential were analyzed. Finally, the key parameters were optimized. The results show that optimization of hydraulic hybrid power system, selection of the appropriate parameters in control strategy, recovering the braking energy and long slope potential energy of loaders are helpful to improve the energy saving effect of hydraulic hybrid loader.

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石榮玲,趙繼云,孫輝.液壓混合動(dòng)力輪式裝載機(jī)節(jié)能影響因素分析與優(yōu)化[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2011,42(3):31-35. Shi Rongling, Zhao Jiyun, Sun Hui. Energy-saving Potential and Influencing Factors for Hydraulic Hybrid Wheel Loader[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(3):31-35.

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