基于CAN总线的摊铺机自动找平控制系统

王欣; 苟伟成; 焦生杰

基于CAN总线的摊铺机自动找平控制系统

长安大学道路施工技术与装备教育部重点实验室, 陕西西安 710064

基金项目:

国家高技术研究发展计划项目 2001AA422013

详细信息

作者简介:
王欣(1974-), 女, 河北藁城人, 长安大学讲师, 工学博士, 从事机电液一体化控制及工程机械智能化控制研究

中图分类号: U415.521
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- 被引次数: 0
出版历程
- 收稿日期: 2006-05-27
- 刊出日期: 2006-12-25

Auto-leveling control system of paver based on CAN bus

Key Laboratory for Highway Construction Technology and Equipment of Ministry of Education, Chang'an University, Xi'an 710064, Shaanxi, China

More Information

Author Bio:
Wang Xin(1974-), female, PhD, lecturer, 86-29-82334496, small.2003@tom

摘要

摘要: 为提高路面摊铺平整度, 研究了一种基于CAN总线的多点(多探头) 非接触式摊铺机自动找平系统, 给出了系统总体结构、CAN节点的硬件电路及软件主要流程, 采用多重滤波方法进行数据处理, 滤除摊铺机作业过程中偶然因素造成的跳点数据, 提高系统的抗干扰性能。采用该找平系统对单探头和多探头找平方式进行了对比试验, 结果表明多探头方式找平效果优于单探头方式; 与接触式自动找平系统对比实验表明采用该找平系统中面层平整度平均值较接触式提高了3.2%, 上面层提高了7.8%。
- 道路工程 /
- 路面摊铺机 /
- 自动找平控制系统 /
- CAN总线
Abstract: In order to improve the smoothness of road paving, a multi-point (multi-probe) non-touching auto-leveling control system based on CAN (control area network) bus was developed, the structure of the system, the circuit of CAN node and the main flow charts of CAN node software were given, multi-filtering algorithm was employed to eliminate the wild data during road paving process, so that the disturbance attenuation performance of the system was improved.Comparison test result shows that the leveling effect of multi-probe is more effective than single-probe.Compared with touching auto-leveling system, the paving smoothness of intermediate surface layer is increased by 3.2%, and upper surface layer by 7.8% with the system.
- road engineering /
- road paver /
- auto-leveling control system /
- CAN bus

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图 1 自动找平系统结构

Figure 1. Structure of auto-leveling system

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图 2 CAN节点结构

Figure 2. Structure of CAN node

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图 3 CAN节点电路

Figure 3. Circuit of CAN node

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图 4 主程序流程

Figure 4. Flow chart of main program

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图 5 接收中断程序流程

Figure 5. Flow chart of receiving interruption

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图 6 数据运算过程

Figure 6. Operating procedure of data

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图 7 找平实验结果

Figure 7. Leveling test result

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表 1 实验数据

Table 1. Experimental data

路面层	实验对象	路面平整度均值(每一数据为60个检测点的平均值) /mm
中面层	接触式	0.83	0.54	0.82	1.07	0.90	0.67	0.58	0.60	0.87	0.94	0.70	0.71	0.66	0.61
中面层	非接触式	0.72	0.52	0.85	0.70	0.83	0.59	0.87	0.70	0.78	0.86	0.64	0.64	0.65	0.81
上面层	接触式	0.63	0.64	0.54	0.53	0.54	0.87	0.58	0.62	0.56	0.72	0.70	0.60	0.54	0.64
上面层	非接触式	0.55	0.57	0.66	0.51	0.58	0.56	0.60	0.55	0.66	0.55	0.52	0.60	0.55	0.57

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参考文献(11)

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