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| 基于CAN总线和OPC技术的分布式横向控制系统 |
| Distributed Cross-Direction Control System Based on CAN-bus and OPC Technology |
| 收稿日期： |
| DOI：10.11980/j.issn.0254-508X.2015.08.009 |
| 关键词: 横向控制 分布式系统 CAN OPC |
| Key Words:cross-direction control distributed system CAN OPC |
| 基金项目:国家水体污染控制与治理科技重大专项(2014ZX07213001)；制造强国战略研究轻工专题(N2130070)。 |
| 作者 | 单位 | | 石先城1,2 | 1.华南理工大学轻工与食品学院, 广东广州， 510641；2.制浆造纸工程国家重点实验室, 广东广州， 510641 | | 冯郁成1,2，* | 1.华南理工大学轻工与食品学院, 广东广州， 510641；2.制浆造纸工程国家重点实验室, 广东广州， 510641 | | 曾劲松1,2 | 1.华南理工大学轻工与食品学院, 广东广州， 510641；2.制浆造纸工程国家重点实验室, 广东广州， 510641 | | 陈克复1,2 | 1.华南理工大学轻工与食品学院, 广东广州， 510641；2.制浆造纸工程国家重点实验室, 广东广州， 510641 |
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| 摘要:针对纸张的横向质量控制是由多组大规模执行器协调控制的结构特点,设计了一种基于CAN总线和OPC技术的分布式横向控制系统,具有扩展性强、实时性高的特点。主控制节点通过CAN总线网络对各组执行器进行实时控制,并通过OPC技术实现了测量数据、现场信息的存取与共享；设计了基于CAN总线的智能执行器和相应的底层通信软件以完成局部信息处理与底层控制；并通过实际应用效果证明了该系统的可行性和有效性。 |
| Abstract:In order to solve the large-scale cross-direction control problem in paper machine, a distributed cross-direction control system based on CAN-bus and OPC technology was designed, which has the characteristics of powerful expansibility and strong real-time performance. Multiple-array intelligent actuators were closed-loop controlled by the main monitor station through Ethernet and CAN-bus, and the measured data and field information were accessed and shared among the monitor stations via OPC technology. An intelligent actuator based on CAN-bus and corresponding underlying communication software were designed to process local information and control underlying hardware. Finally, the feasibility and validity of the system were verified with practical applications. |
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