| 货运车辆车载动态称重的同步采集系统 |
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| 引用本文： | 李英祥,李阳,任向龙,兰青松.货运车辆车载动态称重的同步采集系统[J].单片机与嵌入式系统应用,2018(5):83-87. |
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| 作者姓名： | 李英祥 李阳 任向龙 兰青松 |
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| 作者单位： | 成都信息工程大学 通信工程学院,成都,610225 |
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| 摘 要： | 为提高动态称重的高效性和稳定性,实现货运车辆车载动态称重,设计了基于应变式传感器的同步采集系统.同步采集系统由采集器和通信协议构成.采集器以 STM8S003单片机为核心,使用 HX711作为 A/D 转换芯片,使用RS485作为通信接口,做了采集器的软硬件设计,以及基于 RS485的分时通信方案,并且进行了有关测试.
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| 关 键 词： | 动态称重 RS485总线 形变检测 分时传输 STM8S003 dynamic weighing RS485 bus deformation detection time-sharing transmission STM8S003 |
Synchronous Acquisition System of Freight Vehicle Dynamic Weighing |
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| Li Yingxiang,Li Yang,Ren Xianglong,Lan Qingsong.Synchronous Acquisition System of Freight Vehicle Dynamic Weighing[J].Microcontrollers & Embedded Systems,2018(5):83-87. |
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| Authors: | Li Yingxiang Li Yang Ren Xianglong Lan Qingsong |
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| Abstract: | In order to improve the efficiency and stability of dynamic weighing and realize the on-board dynamic weighing of freight vehi-cles,a synchronous acquisition system based on strain sensors is designed.The Synchronous acquisition system consists of collector and communication protocol.The Collector uses STM8S003 microcontroller as the core and HX711 as A/D converter chip,and the RS485 as the communication interface.The collector hardware and software are designed,and the RS485 time-sharing communication program is proposed,and the test is carried out. |
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