矿井运输控制与语音融合系统的研究

发布时间：2018-04-03 00:31

本文选题：CAN总线　切入点：维纳滤波　出处：《中国矿业大学》2017年硕士论文

【摘要】：井下运输系统是煤矿生产的重要组成部分,其中运输控制系统和语音通话系统是其必不可少的环节。目前,运输控制系统和语音通话系统是两个完全独立的部分,需要在运输系统沿线分别安装运输控制系统和语音通话装置,使运输系统的结构变得非常复杂,不利于后期的维护和检修,同时也造成了资源的浪费。为了改善上述问题,本文以CAN总线技术、以太网技术和嵌入式技术等为基础,研发了一套矿井运输控制与语音通话相融合的系统。该系统不仅实现了语音通话功能而且能够采集运输系统沿线的保护传感器数据,然后将采集的数据发送给控制中心,由控制中心来控制运输系统的运行。本文研究的主要内容包括系统整体硬件的设计、选型和安装,例如电源模块的设计、通信协议的选择、显示模块的设计等,应用了维纳滤波算法来消除语音数据中夹杂的高斯白噪声。针对CAN总线上传输不同优先级信号的问题,本文应用排队论构建了区分优先级的双队列M/M/1排队系统的数学模型,详细地分析影响数据在CAN总线上传输的因素,最后按照煤矿安全生产的标准,完成了对整个系统的功能性测试。经现场运行表明,本系统能够基本实现语音通话与运输控制的功能,简化了运输系统的结构、节约了资源,具有一定的现实意义。
[Abstract]:Underground transportation system is an important part of coal mine production, among which transportation control system and voice communication system are essential links.At present, the transport control system and the voice communication system are two completely independent parts. It is necessary to install the transport control system and the voice communication device along the transportation system, respectively, which makes the structure of the transportation system very complex.Not conducive to later maintenance and repair, but also caused a waste of resources.In order to improve the above problems, based on CAN bus technology, Ethernet technology and embedded technology, a mine transportation control and voice communication system is developed in this paper.The system not only realizes the voice call function but also can collect the data of the protection sensor along the transportation system. Then the collected data is sent to the control center which controls the operation of the transportation system.The main contents of this paper include the design, selection and installation of the whole hardware of the system, such as the design of power supply module, the choice of communication protocol, the design of display module, etc.The Wiener filter algorithm is applied to eliminate the white noise of Gao Si in speech data.Aiming at the problem of transmitting different priority signals on CAN bus, this paper applies queuing theory to construct a mathematical model of two-queue M/M/1 queueing system with differentiated priorities, and analyzes in detail the factors affecting the transmission of data on CAN bus.Finally, according to the standard of coal mine safety production, the functional test of the whole system is completed.The field operation shows that the system can basically realize the functions of voice call and transportation control, simplify the structure of the transportation system, save resources, and have certain practical significance.
【学位授予单位】：中国矿业大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TD634

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