| 坡度对车载航位推算系统的影响分析研究 |
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| 引用本文： | 贾继超,李岁劳,吴训忠,姚军军.坡度对车载航位推算系统的影响分析研究[J].兵工学报,2010,31(12):1674-1679. |
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| 作者姓名： | 贾继超 李岁劳 吴训忠 姚军军 |
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| 作者单位： | 西北工业大学,自动化学院,陕西,西安,710072;空军工程大学,工程学院,陕西,西安,710038;驻012基地军代室,陕西,汉中,723100 |
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| 摘 要： | 当轮式车辆行驶的路面坡度发生变化时,会导致车辆载荷转移,从而引起轮胎半径变化,进而对车载航位推算带来的影响。建立了坡度路面上的车载航位推算误差模型,并进行了坡度路面上的跑车试验。结果表明,路面纵坡度每增加1°,里程仪刻度系数约减少1‰.
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| 关 键 词： | 仪器仪表技术 纵坡度 横坡度 里程仪 航位推算 载荷转移 轮胎半径 |
Research on Effect of Gradient on Vehicular Dead Reckoning System |
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| JIA Ji-chao,LI Sui-lao,WU Xun-zhong,YAO Jun-jun.Research on Effect of Gradient on Vehicular Dead Reckoning System[J].Acta Armamentarii,2010,31(12):1674-1679. |
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| Authors: | JIA Ji-chao LI Sui-lao WU Xun-zhong YAO Jun-jun |
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| Affiliation: | (1.Department of Automation Control, Northwestern Polytechnical University, Xi’ an 710072, shaaxi, China;2.College of Engineering, Air Force Engineering University, Xi’ an 710038, Shaaxi, China;3.012 Base Military Representative Office, Hanzhong 723100, Shaanxi, China) |
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| Abstract: | When road gradient changes, vehicle load transfer can be caused. Load transfer results in tire radius change, so vehicular dead reckoning is affected. Dead reckoning error model on gradient road was established, and the vehicle navigation experiment on gradient road was made. The results show that the odometer calibration coefficient approximately decreases by 1‰ when longitudinal gradient increases 1°. |
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| Keywords: | technology of instrument and meter longitudinal gradient transverse gradient odometer dead reckoning load transfer tire radius |
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