在线动态称重系统开发及质量采集算法研究
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摘要
以包装生产线上连续在线动态称重及后续处理的功能为导向,从称重工作站的结构、控制系统、分拣机构、数据处理与保存方面进行研究。采用PLC、A/D模块、称重仪表、称重传感器、变频传送带控制等技术,开发出一套在线动态称重系统。系统采用区间采样、区间数值平均的算法,测量和计算动态数据,使产品的动态质量值与静态值之间的差值最小。在线称重系统可根据功能快速搭建,实现对产品的质量采集、对比及对产品的分拣、分装、包装等功能。系统可快速二次开发对接包装线所需要的功能,且构造简洁实用、成本低,质量采集的准确性高,应用前景广泛。
On-line dynamic weighing is an important part of the unpacked foods packaging production line,which can realize the functions of error prevention,leakage prevention,packing and filling.It was investigated the formation of the structure,control system,sorting mechanism,data processing and preservation of weighing workstation in this study,based on the function of continuous online dynamic weighing an subsequent processing in packaging production line.The interval sampling and numerical averaging methods were used to collect and calculate dynamic weight data,and the difference of the product between the dynamic weight value and the static were minimized.The system could be quickly built according to the function of achieving the weight of the product collection,comparison,sorting,packaging etc.Therefore,this system could be used widely for rapid secondary development of docking packaging line,with the simple structure,low cost and high accuracy.
On-line dynamic weighing is an important part of the unpacked foods packaging production line,which can realize the functions of error prevention,leakage prevention,packing and filling.It was investigated the formation of the structure,control system,sorting mechanism,data processing and preservation of weighing workstation in this study,based on the function of continuous online dynamic weighing an subsequent processing in packaging production line.The interval sampling and numerical averaging methods were used to collect and calculate dynamic weight data,and the difference of the product between the dynamic weight value and the static were minimized.The system could be quickly built according to the function of achieving the weight of the product collection,comparison,sorting,packaging etc.Therefore,this system could be used widely for rapid secondary development of docking packaging line,with the simple structure,low cost and high accuracy.
引文
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[14]张乐成,汪震波.基于Monte-Carlo方法利用随机变数平均值计算定积分的算法[J].计算机与现代化,2012(11):33-34.
[15]毛建东.动态称重系统的动态补偿和校正[J].食品与机械,2006,22(2):84-86.
[2]张洁平.基于单片机的在线称重分选检测系统设计[J].河西学院学报,2018,34(2):49-52.
[3]高艳雯.输送带在线动态实时称重系统的研究[D].兰州:兰州理工大学,2007:12-15.
[4]廖常初.PLC模拟量输入模块的使用方法[J].电工技术,2003(10):23-24.
[5]梅幼亚,姚毅,于洋,等.基于西门子S7-300与威纶通触摸屏的换热站自控系统[J].山东工业技术,2015(13):220-221.
[6]卞家宏.利用称重仪表实现配料自动化[J].化工自动化及仪表,2000,27(3):54-55.
[7]方亚梅.基于三菱FX-3UPLC的力采集系统设计[J].工业控制计算机,2017(12):136-136.
[8]曹金华,王宜怀.AD转换的动态在线校正技术[J].实验室研究与探索,2008,27(4):44-47.
[9]杨邦朝,张治安.触摸屏技术及应用[J].电子世界,2003(2):79-80.
[10]刘坦.实时在线分拣和称重系统研究[D].上海:上海海洋大学,2013:54-55.
[11]王艳美.变频器和PLC在传送带多种速度控制中的应用[D].苏州:苏州大学,2010:12-13.
[12]吴任和,周文玲,李相伟.基于PLC控制的在线动态称重分拣系统[J].轻工科技,2013(12):55-57.
[13]马成,朱奕,伞冶.一种基于区间估计的粒子滤波算法[J].哈尔滨工业大学学报,2013,45(11):8-12.
[14]张乐成,汪震波.基于Monte-Carlo方法利用随机变数平均值计算定积分的算法[J].计算机与现代化,2012(11):33-34.
[15]毛建东.动态称重系统的动态补偿和校正[J].食品与机械,2006,22(2):84-86.