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阐述了雷电对电子衡器系统的危害,分析了电子衡器受雷击损坏的原理,提出了电子衡器防雷系统的设计方案,介绍了电子衡器防雷系统的实际使用效果。 相似文献
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基于嵌入式系统设计技术,提出动态轨道衡模拟信号发生仪的设计方案,分析系统的原理。在提取通过列车波形特征点的基础上,提出分段线性插值的模拟方法,给出模拟信号发生板和整个系统的框架图。详细阐述系统的软件设计结构和运行流程,用PlatformBuilder工具定制WindowsCE嵌入式操作系统内核,并将其移植到PC104主机板上,用eMbeddedVisualC 编程工具实现主机端控制软件。实验结果表明,该动态轨道衡模拟信号发生仪具有较高的模拟精度,操作界面友好。 相似文献
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分别介绍单台面静态衡、双台面静态衡和双台面动态衡、三台面动态衡的结构、原理,以及计量不同换长铁路罐车液态质量的方法,简述静态衡、动态衡的检定方法。 相似文献
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本文简单介绍了动态轨道衡的硬件组成及工作原理,重点介绍基于Windows动态轨道衡称重软件的需求分析和设计,也对称重软件的关键技术进行较为详细的介绍. 相似文献
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In the present paper, an effective procedure is proposed to determine the best location(s) for installing Weigh in Motion systems (WIM). The main objective is to determine locations for best performance, defined as the maximum number of once-checked trucks' axle loads and minimizing unnecessary actions. The aforesaid method consists of two main stages, including solving shortest path algorithm and selecting the best location for installing WIM(s). A proper mathematical model has also been developed to achieve objective function. The number of once-checked trucks, unnecessary actions and average installing costs are defined as criteria measures. The proposed procedure was applied in a road network using experimental data, while the results were compared with the usual methods of locating enforcement facilities. Finally, it is concluded that the proposed procedure seems to be more efficient than the traditional methods and local experts' points of view. 相似文献
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