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Design of Loading Pressure Measuring Circuit of Highway Accelerated Loading Test System

机译:公路加速荷载试验系统荷载压力测量电路设计

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Highway accelerated loading test system is an important equipment for making test and evaluation on road surface quality.Measurement of loading pressure decides loading effect and loading efficiency. The paper introduces working principle of highway accelerated loading test system and composition of the control system,and analyzes design of loading pressure measuring circuit in detail.In order to improve signal-to-noise ratio,hardware antiinterference measure and digital filtering way are used. Test proves the loading pressure measuring circuit has the features of good linearity,high stability and high accuracy.
机译:公路加速荷载试验系统是进行路面质量试验和评价的重要设备。荷载压力的测量决定了荷载作用和荷载效率。本文介绍了高速公路加速载荷试验系统的工作原理和控制系统的组成,并详细分析了载荷压力测量电路的设计。为了提高信噪比,采用了硬件抗干扰措施和数字滤波的方法。试验证明,负荷压力测量电路具有线性好,稳定性高,精度高的特点。

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