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基于无线通信和WinCE的行车调度系统的研制
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摘要
本论文以工业无线通信和实时嵌入式操作系统(RTOS)为技术背景,以钢铁企业产销链管理与物料输运优化调度为应用方向,完成了基于无线通信和WinCE的沙钢行车无线调度系统的研制开发任
     务。针对工业环境下无线通信误码率高、信号遮挡等缺陷,为多种串行接口的无线设备,设计了实时性好、可靠性高和通用性强的串行工业无线通信协议。为提高行车终端在苛刻工业环境(高温、震动、灰尘和强电磁干扰)下运行的可靠性,引入实时嵌入式操作系统(RTOS)——Windows CE.NET,并深入研究其应用程序开发和BIOS Boot Loader引导过程。在此基础上,设计并实现了沙钢板坯库/板卷库行车无线调度系统,首次解决了移动行车与地面可靠及时准确的数据通信、行车终端与主控计算之间机数据一致性、多部行车同时并发调度和系统长时间可靠运行等问题。
     板坯库/板卷库行车无线调度系统,投入使用后,系统运行可靠,优化了行车调度效率,提高仓储的管理水平。用户非常满意,并已通过有关部门的技术鉴定,受到与会专家的高度评价。目前,串行工业无线通信协议正在积极申请技术发明专利。
The development of wireless communication and Windows CE based travelling-crane dispatch systems for inventory management in iron & steel works is completed.
     To compensate the adverse properties of radio channels such as quite high error rates and blind area, a communication protocol for various serial wireless devices statisfied the requirements for stringent timing constraints and reliability guarantees in industrial wireless networks is proposed. Since the terminal system is 24-hour use in rough industrial environment, the embedded real-time operating system, Windows CE.NET, is introduced, and the application software development and startup sequence of BIOS bootloader are studied. The wireless dispatch systems based on wireless communication and Windows CE.NET applied to Sha-steel’s steel slab warehouse are designed and implemented to resolve questions of communication and data consistency among mobile travelling cranes and fixed main control computer, multiple cranes synchronized dispatch, system reliability, and so on.
     The wireless travelling crane dispatch systems, deployed in the harsh industrial fields of Sha-steel’s steel slab & rolled sheet warehouses, are running reliably for several months. The systems, optimize travelling cranes dispacth flow, improve warehouse management efficiency and are fully recognized by customers and experts. Now, the serial industrial wireless communication protocol is applying for a Chinese Patent for Invention.
引文
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