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基于視景仿真的聯(lián)合收獲機(jī)虛擬試驗(yàn)技術(shù)
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“十一五”國家科技支撐計劃資助項目（2006BAD11A17）


Virtual Test of Combine Harvester Based on Visual Simulation
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    在對輪式聯(lián)合收獲機(jī)作業(yè)過程中所受驅(qū)動力,、行駛阻力以及作業(yè)阻力理論分析的基礎(chǔ)上,，建立輪胎模型,、路面模型以及作業(yè)過程受力模型,，并進(jìn)行數(shù)值仿真,，獲得整機(jī)運(yùn)動姿態(tài)曲線,?；谝暰胺抡骝?qū)動平臺,，建立包括農(nóng)田,、道路,、樹木,、草地等地表環(huán)境的逼真虛擬場景，并導(dǎo)入合理簡化后的聯(lián)合收獲機(jī)整機(jī)視景仿真模型,，利用Vega API編程接口實(shí)現(xiàn)整機(jī)在虛擬場景中的運(yùn)動姿態(tài)交互控制,，使視景仿真結(jié)果更符合實(shí)際，為研究聯(lián)合收獲機(jī)交互式集成虛擬試驗(yàn)平臺打下基礎(chǔ),。

    Abstract:

    Driving force, driving resistance and operating resistance of wheeled combine harvester during operating process was analyzed, tire model, road model as well as force model was built, numerical simulation of motion for whole wheeled combine harvester was finished and attitude curve was obtained. Lifelike virtual scene including terrestrial surface environment, such as farm field, roads, trees, grassland, etc. was created. Visual model of wheeled combine harvester after reasonable simplified was imported to visual simulation driving platform, and interacting control of whole machine attitude in visual scene was put forward, which made visual simulation more realistic. This study laid the foundation of building interacting control integrated virtual testing platform for combine harvester. 

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楊方飛,閻楚良.基于視景仿真的聯(lián)合收獲機(jī)虛擬試驗(yàn)技術(shù)[J].農(nóng)業(yè)機(jī)械學(xué)報,2011,42(1):79-83. Yang Fangfei, Yan Chuliang. Virtual Test of Combine Harvester Based on Visual Simulation[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(1):79-83.

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